{"id":7260,"date":"2024-08-22T02:53:30","date_gmt":"2024-08-22T02:53:30","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7260"},"modified":"2026-04-28T10:42:34","modified_gmt":"2026-04-28T10:42:34","slug":"what-type-of-macromolecule-is-an-enzyme%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/tr\/what-type-of-macromolecule-is-an-enzyme%ef%bc%9f\/","title":{"rendered":"enzim ne t\u00fcr bir makromolek\u00fcld\u00fcr\uff1f"},"content":{"rendered":"<h1><strong>enzim ne t\u00fcr bir makromolek\u00fcld\u00fcr\uff1f<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>H\u0131zl\u0131 cevap:<\/strong> Enzim ve g\u0131da i\u015fleme bile\u015fenleri genellikle substrat uygunlu\u011fu, pH ve s\u0131cakl\u0131k aral\u0131\u011f\u0131, dozaj ve son kullan\u0131m spesifikasyonunun hedef i\u015flem i\u00e7in kabul edilebilir olup olmad\u0131\u011f\u0131na g\u00f6re se\u00e7ilir. En g\u00fc\u00e7l\u00fc ticari tercih, ger\u00e7ek i\u015fleme ko\u015fullar\u0131 alt\u0131nda tutarl\u0131 performans g\u00f6sterendir.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Hepimizin bildi\u011fi gibi, canl\u0131 organizmalar h\u00fccrelerden olu\u015fur. Enzimler insan v\u00fccudundaki metabolizman\u0131n kataliz\u00f6rleridir ve sadece enzimler mevcut oldu\u011funda insan v\u00fccudunda kimyasal reaksiyonlar ger\u00e7ekle\u015febilir, v\u00fccuttaki metabolizma ilerleyebilir ve her h\u00fccre her t\u00fcrl\u00fc ya\u015fam aktivitesini g\u00f6sterebilir. V\u00fccutta ne kadar \u00e7ok enzim varsa, ya\u015fam o kadar eksiksiz, o kadar sa\u011fl\u0131kl\u0131 olur. \u0130nsan hastal\u0131klar\u0131n\u0131n \u00e7o\u011fu enzim eksikli\u011fi veya sentez bozuklu\u011fu ile ilgilidir.<\/p>\n<p>Nitekim enzimler hayat\u0131m\u0131zda s\u0131k\u00e7a kar\u015f\u0131m\u0131za \u00e7\u0131kmaktad\u0131r, \u00f6rne\u011fin enzimce zenginle\u015ftirilmi\u015f \u00e7ama\u015f\u0131r deterjan\u0131, kreatin kinaz ve kandaki di\u011fer \"enzim\" g\u00f6stergeleri vb. her yerde \"enzim\" bulunmaktad\u0131r. Bug\u00fcn, enzimlere ve i\u015flevlerine bir g\u00f6z atal\u0131m.<\/p>\n<p><strong>Enzim nedir?<\/strong><\/p>\n<p>Enzimler, y\u00fcksek verimlili\u011fe ve spesifik katalitik etkilere sahip proteinlerdir. V\u00fccuttaki hemen hemen t\u00fcm metabolik reaksiyonlar enzimlerin kat\u0131l\u0131m\u0131n\u0131 gerektirir ve madde metabolizmas\u0131n\u0131n kontrol\u00fc \u00e7o\u011funlukla enzim aktivitesinin d\u00fczenlenmesi yoluyla ger\u00e7ekle\u015ftirilir. Art\u0131k bir\u00e7ok insan hastal\u0131\u011f\u0131n\u0131n belirli enzimlerin mutasyonuna, azalmas\u0131na veya yoklu\u011funa ba\u011fl\u0131 oldu\u011fu ve bu nedenle enzim eksikli\u011fi veya mutasyonunun metabolik bozukluklara neden olabilece\u011fi ve hastal\u0131\u011fa yol a\u00e7abilece\u011fi a\u00e7\u0131kt\u0131r. Bir kataliz\u00f6r sadece bir kimyasal reaksiyonu bir denge noktas\u0131na kadar h\u0131zland\u0131r\u0131r, denge noktas\u0131n\u0131 de\u011fi\u015ftirmez.<\/p>\n<p>Ayn\u0131 durum enzimler i\u00e7in de ge\u00e7erlidir, ancak enzimatik olmayan kataliz\u00f6rlere k\u0131yasla son derece etkilidirler; dahas\u0131, enzimler yaln\u0131zca belirli maddelerin (efekt\u00f6rler olarak adland\u0131r\u0131l\u0131r) belirli kimyasal reaksiyonlar\u0131n\u0131 katalize eder, yan \u00fcr\u00fcnler olmadan belirli \u00fcr\u00fcnler \u00fcretir, yani enzimler \u00e7ok y\u00fcksek derecede \u00f6zg\u00fcll\u00fc\u011fe sahiptir. Bir enzimin katalitik yetene\u011fi enzim aktivitesi olarak adland\u0131r\u0131l\u0131r ve \u00f6l\u00e7\u00fclebilir ve enzim miktar\u0131 genellikle aktivitesi cinsinden ifade edilir. Belirli enzimlerin aktivitesinin \u00f6l\u00e7\u00fclmesi genellikle hastal\u0131klar\u0131n te\u015fhisinde yard\u0131mc\u0131 olur, bu nedenle enzimoloji hastal\u0131klar\u0131n etiyolojisi, te\u015fhisi ve tedavisi ile \u00e7ok yak\u0131ndan ilgilidir.<\/p>\n<p><strong>Enzimlerin do\u011fas\u0131<\/strong><\/p>\n<p>\u00c7in'de Shang ve Zhou Hanedanl\u0131klar\u0131 d\u00f6neminde, mikroorganizmalarda enzimlerin bira yap\u0131m\u0131, sos yap\u0131m\u0131 ve \u015furup yap\u0131m\u0131 gibi \u00fcretim faaliyetlerine dair kay\u0131tlar bulunmaktad\u0131r. Ancak 20. y\u00fczy\u0131l\u0131n ba\u015flar\u0131na kadar enzimlerin do\u011fas\u0131 hakk\u0131nda bir sonuca var\u0131lamam\u0131\u015ft\u0131r; 19. y\u00fczy\u0131l\u0131n ortalar\u0131nda hala enzimlerin canl\u0131 organizmalarda \u00e7al\u0131\u015fmas\u0131 gerekti\u011fine inan\u0131l\u0131yordu; \"enzim\" kelimesinin orijinal Yunanca anlam\u0131 \"mayada\" idi ve ancak 1897'de h\u00fccresiz maya \u00f6zlerinin fermente edilebilece\u011fi ke\u015ffedildi\u011finde enzimlerin hala h\u00fccre d\u0131\u015f\u0131nda \u00e7al\u0131\u015fabilece\u011fi anla\u015f\u0131ld\u0131.<\/p>\n<p>1926 y\u0131l\u0131nda Amerikal\u0131 bir biyokimyac\u0131 olan J.B. Sumner, \u00fcreaz\u0131 safla\u015ft\u0131r\u0131p kristalize ederek bir protein oldu\u011funu kan\u0131tlam\u0131\u015f ve enzimlerin protein oldu\u011fu kavram\u0131n\u0131 ortaya atan ilk ki\u015fi olmu\u015ftur. Ancak, o zamanki akademik otorite daha fazla itiraz ederek, enzimin kristalize edildi\u011fini d\u00fc\u015f\u00fcnm\u00fcyor, aksine, proteinin kristalizasyonunun i\u015flevsel olmad\u0131\u011f\u0131n\u0131, kirleticilerin rol\u00fcn\u00fcn ise bilinmeyen do\u011faya ba\u011fl\u0131 oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyordu. Daha sonra, di\u011fer bilim adamlar\u0131 da pepsin ve tripsin ve di\u011fer protein hidrolazlar gibi safla\u015ft\u0131r\u0131lm\u0131\u015f ve kristalize edilmi\u015f ve ayr\u0131ca protein olduklar\u0131n\u0131 kan\u0131tlam\u0131\u015flard\u0131r, enzimin \u00f6z\u00fc bir proteindir, bu sonu\u00e7 bilimsel topluluk taraf\u0131ndan kabul edilmektedir.<br \/>\nBinlerce enzim ke\u015ffedilmi\u015f, y\u00fczlerce enzim safla\u015ft\u0131r\u0131lm\u0131\u015f ve kristalize edilmi\u015f, ayr\u0131ca analiz edilmi\u015f ve enzimin birinci seviyesinin kimyasal yap\u0131s\u0131 belirlenmi\u015f, protein olduklar\u0131 kan\u0131tlanm\u0131\u015ft\u0131r. Enzimlerin protein oldu\u011fu kavram\u0131 o kadar sa\u011flamd\u0131r ki, proteinler d\u0131\u015f\u0131nda katalitik \u00f6zelliklere sahip makromolek\u00fcller ke\u015ffedilseydi, bunlar\u0131 enzim olarak adland\u0131rmak uygunsuz olurdu. Bu nedenle, katalitik aktiviteye sahip yeni ke\u015ffedilen birka\u00e7 ribon\u00fckleik asit enzim benzeri olarak adland\u0131r\u0131lm\u0131\u015ft\u0131r.<\/p>\n<p><strong>Enzim \u00f6zg\u00fcll\u00fc\u011f\u00fc<\/strong><\/p>\n<p>Bir enzimin en \u00e7arp\u0131c\u0131 \u00f6zelliklerinden biri, katalizledi\u011fi reaksiyonun spesifikli\u011fidir (veya \u00f6zg\u00fcll\u00fc\u011f\u00fcd\u00fcr). Bu, hem enzimin efekt\u00f6r se\u00e7imini hem de katalizledi\u011fi reaksiyonun \u00f6zg\u00fcll\u00fc\u011f\u00fcn\u00fc ifade eder. \u00d6zg\u00fcll\u00fck derecesi enzimden enzime de\u011fi\u015fir.<br \/>\n\u00d6rne\u011fin, \u00fcreaz sadece \u00fcrenin CO2 ve NH3'e hidrolizini katalize eder; s\u00fcksinat dehidrojenaz efekt\u00f6r olarak sadece s\u00fcksinik asit, \u00f6zg\u00fcll\u00fckleri son derece kat\u0131d\u0131r, bu da mutlak \u00f6zg\u00fcll\u00fck olarak adland\u0131r\u0131labilir, daha fazla enzimin ortak bir grubu veya kimyasal ba\u011f se\u00e7icili\u011fi vard\u0131r; \u00f6rne\u011fin fosfataz, fosforik asidi uzakla\u015ft\u0131rmak i\u00e7in bir\u00e7ok fosforik asit i\u00e7eren bile\u015fi\u011fin hidrolizini katalize edebilir ve esterazlar, bir\u00e7ok farkl\u0131 bile\u015fi\u011fin ester ba\u011f\u0131n\u0131n hidrolizini katalize eder, daha az kat\u0131 olan\u0131n se\u00e7imi. Bu g\u00f6receli \u00f6zg\u00fcll\u00fck olarak adland\u0131r\u0131labilir.<\/p>\n<p>Maddelerin etkisi i\u00e7in farkl\u0131 enzimlerin \u00f6zg\u00fcll\u00fc\u011f\u00fcn\u00fcn b\u00fcy\u00fck \u00f6l\u00e7\u00fcde de\u011fi\u015fti\u011fi g\u00f6r\u00fclebilir, hatta ayn\u0131 enzim s\u0131n\u0131f\u0131 bile, farkl\u0131 kaynaklar nedeniyle, kat\u0131 tutars\u0131zl\u0131k derecesinin \u00f6zg\u00fcll\u00fck derecesi.<\/p>\n<p><strong>Enzimlerin \u00f6nemi<\/strong><\/p>\n<p>\u0130nsan v\u00fccudu ve di\u011fer organizmalar binlerce farkl\u0131 kimyasal reaksiyondan ge\u00e7er. Sindirim, emilim, ta\u015f\u0131ma, sentez, salg\u0131, hareket ve \u00fcreme gibi t\u00fcm faaliyetler (genellikle madde metabolizmas\u0131 olarak adland\u0131r\u0131l\u0131r) kimyasal reaksiyonlara dayan\u0131r. Bu reaksiyonlar\u0131n \u00e7o\u011fu yava\u015ft\u0131r, ancak enzimler bunlar\u0131 h\u0131zland\u0131r\u0131r, b\u00f6ylece ya\u015fam\u0131n ba\u011fl\u0131 oldu\u011fu \u00e7e\u015fitli faaliyetler zaman\u0131nda ger\u00e7ekle\u015ftirilebilir. Bu reaksiyonlar\u0131n b\u00fcy\u00fck \u00e7o\u011funlu\u011fu h\u00fccrede ger\u00e7ekle\u015fir; her reaksiyon farkl\u0131 bir enzim taraf\u0131ndan katalize edilir; h\u00fccre, \u00e7e\u015fitli organellere ayr\u0131lm\u0131\u015f, ya\u015fam i\u00e7in kritik reaksiyonlar\u0131 metodik olarak katalize eden binlerce enzim i\u00e7erir.<\/p>\n<p>\u00d6rnek olarak her g\u00fcn yedi\u011fimiz ni\u015fastay\u0131 ele alal\u0131m, ni\u015fasta sindirim sisteminde sindirilir ve amilaz ve di\u011fer katalitik enzimler taraf\u0131ndan glikoza hidrolize edilirken, glikoz h\u00fccreye girer, bu da enzimler taraf\u0131ndan katalize edilir ve h\u00fccredeki glikozun \u00e7e\u015fitli metabolizmalar\u0131, glikozu karbondioksit ve suya oksitleyen ve enerji sa\u011flayan ve ayr\u0131ca ya\u011f gibi di\u011fer maddelere d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilen bir dizi enzim katalizli reaksiyondur. Glikozun v\u00fccuttaki oksidasyonu ve v\u00fccut d\u0131\u015f\u0131ndaki yanmas\u0131 ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, \u00fcr\u00fcnler karbondioksit ve su olmas\u0131na ve her ikisi de enerji a\u00e7\u0131\u011fa \u00e7\u0131karmas\u0131na ra\u011fmen, v\u00fccuttaki glikozun oksidasyonu enzimler taraf\u0131ndan katalize edilir ve oda s\u0131cakl\u0131\u011f\u0131 gibi \u0131l\u0131ml\u0131 ko\u015fullar alt\u0131nda ger\u00e7ekle\u015ftirilir ve bir dizi ad\u0131mdan ge\u00e7er ve kademeli olarak kolayca kullan\u0131labilen enerji a\u00e7\u0131\u011fa \u00e7\u0131kar\u0131r, bu da v\u00fccut d\u0131\u015f\u0131ndaki yanmadan son derece farkl\u0131d\u0131r.<\/p>\n<p><strong>I.<\/strong> <strong>G\u0131da fermantasyon end\u00fcstrisinde<\/strong><\/p>\n<p>Soya sosu \u00fcretiminde, Aspergillus oryzae taraf\u0131ndan salg\u0131lanan proteazlar kullan\u0131larak hammaddelerdeki proteinler par\u00e7alan\u0131r ve peptitlere, amino asitlere vb. d\u00f6n\u00fc\u015ft\u00fcr\u00fclerek renk, aroma ve tada sahip soya sosu elde edilir. \u00d6rne\u011fin, soya sosu \u00fcretiminde kullan\u0131lan asidik proteaz, ku\u015f \u00fcz\u00fcm\u00fcndeki enzim eksikli\u011fini telafi edebilir, soya sosu ve sirke hammaddelerindeki proteinin ayr\u0131\u015fmas\u0131n\u0131 te\u015fvik edebilir, \u00fcretim s\u00fcrecini g\u00fc\u00e7lendirebilir ve b\u00fcy\u00fck \u00f6l\u00e7ekli \u00fcretimi kolayla\u015ft\u0131rabilir. Ayr\u0131ca, proteaz\u0131n hidrolizi soya sosu ruhlar\u0131ndaki amino nitrojen i\u00e7eri\u011fini art\u0131rabilir, b\u00f6ylece fermantasyon s\u00fcrecini ve aroma ve lezzet maddelerinin olu\u015fumunu te\u015fvik edebilir. Ayn\u0131 zamanda hammaddelerin kullan\u0131m oran\u0131n\u0131 art\u0131rmaya, g\u0131da tasarrufu sa\u011flamaya, maliyetleri d\u00fc\u015f\u00fcrmeye ve \u00fcretimin iyile\u015ftirilmesine ve \u00fcr\u00fcn kalitesinin istikrar\u0131na katk\u0131da bulunmaya yard\u0131mc\u0131 olur.<\/p>\n<p><strong>II.<\/strong> <strong>Bira yap\u0131m\u0131nda<\/strong><\/p>\n<p>Malt miktar\u0131 azald\u0131\u011f\u0131nda ve yard\u0131mc\u0131 maddeler artt\u0131\u011f\u0131nda, proteinleri tamamen par\u00e7alamak i\u00e7in genellikle ek proteaz gerekir ve mikrobiyal asit proteaz da etkili bir bira berrakla\u015ft\u0131r\u0131c\u0131d\u0131r.<\/p>\n<p><strong>III.<\/strong> <strong>Tabaklama \u00fcretiminde<\/strong><\/p>\n<p>Tabaklama hammaddesi deri lifli protein derinin yararl\u0131 bir bile\u015fenidir, ancak lif bo\u015flu\u011funda ve epidermiste bir\u00e7ok lifli olmayan protein de vard\u0131r, bu proteinlerin i\u00e7eri\u011fi azd\u0131r, \u00e7\u0131kar\u0131lmazsa bitmi\u015f deri sert ve k\u0131r\u0131lgan hale gelecektir. Bu nedenle proteaza g\u00fcvenmek zorunday\u0131z, proteaz deri i\u015flemede interstisyel proteinlerin ayr\u0131\u015ft\u0131r\u0131lmas\u0131nda kullan\u0131l\u0131r, n\u00f6tr ve alkali proteaz preparat\u0131n\u0131n yerli \u00fcretimi enzim dehairing i\u00e7in kullan\u0131labilir.<\/p>\n<p><strong>D\u00f6rt.<\/strong> <strong>Jelatin ve \u00e7\u00f6z\u00fcnebilir kolajen lifi \u00fcretiminde kullan\u0131l\u0131r:<\/strong><\/p>\n<p>Kire\u00e7li su ile deri, kemik ve di\u011fer hammaddeleri ya\u011f ve gres ve \u00e7e\u015fitli proteinler vb. ile s\u00fczen end\u00fcstri, bu i\u015flem birka\u00e7 aya kadar zaman al\u0131r, emek yo\u011fun, d\u00fc\u015f\u00fck jelatin oran\u0131 ve enerji t\u00fcketimi, kolajenin proteaz safla\u015ft\u0131rmas\u0131, jelatin safl\u0131\u011f\u0131, kalitesi, ba\u011f\u0131l molek\u00fcler k\u00fctle homojenli\u011fi, b\u00fct\u00fcn\u00fcn molek\u00fcler d\u00fczenlemesi, \u00fcretim d\u00f6ng\u00fcs\u00fc k\u0131sad\u0131r, jelatin verimi y\u00fcksektir.<\/p>\n<p><strong>V.<\/strong> <strong>Y\u00fcn\u00fcn d\u00fc\u015f\u00fck s\u0131cakl\u0131kta boyanmas\u0131nda \u00f6n i\u015flem i\u00e7in kullan\u0131l\u0131r:<\/strong><\/p>\n<p>Y\u00fcksek s\u0131cakl\u0131kta boyama ile y\u00fcn, y\u00fcn\u00fcn mukavemetine zarar verir ve elyaf ke\u00e7ele\u015fme kas\u0131lmas\u0131na ve sa\u00e7 g\u00f6vdesi ereksiyonuna neden olur, y\u00fcn\u00fcn proteaz tedavisi ile kaynama noktas\u0131nda boyama, 2 dakikal\u0131k renk oran\u0131 neredeyse 100%'ye kadar, bitmi\u015f \u00fcr\u00fcn rengi ve parlakl\u0131\u011f\u0131 parlakt\u0131r, dolgun hissedilir ve yak\u0131t i\u00e7eri\u011findeki at\u0131k su b\u00fcy\u00fck \u00f6l\u00e7\u00fcde azal\u0131r.<\/p>\n<p><strong>\u0130pek gam giderme i\u00e7in:<\/strong><\/p>\n<p>Ham ipek kuma\u015flar degumming olmal\u0131d\u0131r, ipek tutkal\u0131 bir proteindir, \u00fclkemiz geleneksel olarak degumming i\u00e7in y\u00fcksek s\u0131cakl\u0131kta rafine etme alkali sabun y\u00f6ntemini kullanm\u0131\u015ft\u0131r, bir\u00e7ok eksiklik, ipek pigmentinin alkali istilas\u0131, parlakl\u0131\u011f\u0131 etkilemesi kolayd\u0131r ve proteaz degumming ile bitmi\u015f \u00fcr\u00fcn ya\u011flan\u0131r ve dokunu\u015fa yumu\u015fak, parlak ve parlakt\u0131r ve degumming s\u00fcresi k\u0131sad\u0131r, \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 d\u00fc\u015f\u00fckt\u00fcr ve verimlilik artar.<\/p>\n<p>Enzim genetik m\u00fchendisli\u011fi ve protein m\u00fchendisli\u011fi 1990'larda end\u00fcstriyel biyokataliz, protein y\u00f6nlendirmeli evrimin y\u00fckseli\u015fi, genomik ve proteomik teknoloji geli\u015fimi. End\u00fcstriyel biyokatalizin \u00f6z\u00fc enzimlerin uygulanmas\u0131d\u0131r. Geleneksel kimyasal kataliz ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, biyokataliz, enzimin yap\u0131s\u0131n\u0131 anlamaya gerek kalmadan insanlar\u0131n isteklerine g\u00f6re \"yeniden evrim\" ger\u00e7ekle\u015ftirmelerine olanak tan\u0131yan b\u00f6lgeye \u00f6zg\u00fcll\u00fck ve stereospesifiklik avantajlar\u0131na sahiptir ve gen klonlama, rastgele mutasyon veya hibridizasyon, hedefli mutasyon ve hataya e\u011filimli PCR y\u00f6ntemleriyle mutasyon k\u00fct\u00fcphanelerinin olu\u015fturulmas\u0131 i\u00e7in kullan\u0131labilir. Mutasyon k\u00fct\u00fcphaneleri, enzim aktivitesini, kararl\u0131l\u0131\u011f\u0131n\u0131, stereose\u00e7icili\u011fini ve sulu olmayan reaksiyon \u00f6zelliklerini geli\u015ftirmek i\u00e7in y\u00fcksek verimli tarama stratejileriyle birle\u015ftirilebilen klonlama, rastgele mutasyon veya hibridizasyon, hedefli mutasyon ve hataya e\u011filimli PCR ile olu\u015fturulabilir.<\/p>\n<p>Ksilanaz hemisel\u00fclozun par\u00e7alanmas\u0131 i\u00e7in anahtar bir enzimdir ve \u00c7in'de Streptomyces olivaceus genini kullanarak Pichia piscine mayas\u0131 Pichiapastoris'e aktard\u0131k ve etkili bir ekspresyon elde ettik. Enzim aktivitesi 1,200 U\/mL ve spesifik aktivite 2,869 U\/mg idi. Proteaz bozunmas\u0131na kar\u015f\u0131 \u00e7ok iyi bir dirence sahiptir [3]. Asidofilik mantar Biospora sp. MEY-1'in d\u00f6rt geni, heterolog ekspresyon i\u00e7in Saccharomyces cerevisiae'ye ba\u015far\u0131yla klonland\u0131 ve rekombinant maya XYL11 enziminin spesifik aktivitesi 1,8831 U\/mg idi ve enzim, 10 dakika boyunca 90 \u2103'de canl\u0131l\u0131\u011f\u0131n\u0131n 87%'sinden fazlas\u0131n\u0131 korudu. Yulaf ksilan\u0131n\u0131n bozunmas\u0131 esas olarak proteaz bozunmas\u0131na kar\u015f\u0131 iyi bir dirence sahip olan ksiloz ve ksilan-disakkarit \u00fcretir [8]. Siyah frenk \u00fcz\u00fcm\u00fc IME-216'n\u0131n ksilan \u00fcreten geni klonlanm\u0131\u015f ve Saccharomyces cerevisiae'de ifade edilmi\u015f ve canl\u0131l\u0131k 90 000 U\/mL'ye \u00e7\u0131kar\u0131lm\u0131\u015ft\u0131r [8] ve 30'dan fazla ksilanaz geninin geri kalan\u0131 Escherichia coli'de ifade edilmi\u015ftir ve di\u011fer makalelerden ayr\u0131nt\u0131l\u0131 olarak bahsedilmeyecektir.<\/p>\n<p>Yem enzimleri, d\u00fcnya end\u00fcstriyel enzim end\u00fcstrisinde en h\u0131zl\u0131 b\u00fcy\u00fcyen ve en g\u00fc\u00e7l\u00fc enzim end\u00fcstrisi haline gelmi\u015ftir. Fitaz, yemdeki fitik asidin inorganik fosfat ve inositole par\u00e7alanmas\u0131 i\u00e7in kullan\u0131lan bir yem katk\u0131 maddesidir. \u00c7in Tar\u0131m Bilimleri Akademisi Yem Ara\u015ft\u0131rmalar\u0131 Enstit\u00fcs\u00fc, Aspergillus niger963 fitaz genini Saccharomyces cerevisiae ile rekombine ederek y\u00fcksek verimli ekspresyon elde etmi\u015f ve enzim aktivitesi 8\u00d7105IU\/mL'ye ula\u015farak orijinal Aspergillus niger'den 3.000 kat daha y\u00fcksek ve yurtd\u0131\u015f\u0131nda rapor edilen m\u00fchendislik \u00fcr\u00fcn\u00fc mantarlardan \u00e7ok daha y\u00fcksek olmu\u015ftur [4, 11]. 11] ve \u00c7in'de birka\u00e7 \u00fcretim i\u015fletmesi kurulmu\u015ftur.<\/p>\n<p>Sel\u00fclaz \u00e7ok enzimli kompleks bir enzim sistemidir, irrasyonel tasar\u0131m sel\u00fclaz y\u00f6nlendirmeli evrimin mevcut y\u00f6ntemidir, Aspergillus xylosus sel\u00fcloz ekzon\u00fckleaz ve sel\u00fcloz endon\u00fckleaz i\u015flevini g\u00f6stermek i\u00e7in faj i\u00e7inde olmu\u015ftur. \u015eu anda, tekstil ve deterjanlarda kullan\u0131labilen orta alkalin sel\u00fclaz i\u00e7in bir dizi gen klonlanm\u0131\u015f ve ifade edilmi\u015ftir ve ka\u011f\u0131t end\u00fcstrisi kullan\u0131m\u0131 i\u00e7in n\u00f6tr endosel\u00fclaz m\u00fchendisli\u011fi bakterilerinin optimize edilmi\u015f ekimi, enzim aktivitesi 32.529 U \/ mL'ye kadar \u00e7\u0131km\u0131\u015ft\u0131r [10], bu da orijinal su\u015fun 7.8 kat\u0131na \u00e7\u0131km\u0131\u015ft\u0131r. Fusarium ampullaia crossean'\u0131n \u00e7ok i\u015flevli sel\u00fclaz geni E. coli'de ifade edilmi\u015f ve ksilan, p-nitrofenol fiber disakkarit glikozitler ve karboksimetil sel\u00fcloza kar\u015f\u0131 iyi hidrolitik aktiviteye sahip y\u00fcksek spesifik aktiviteye sahip bir sel\u00fclaz hatt\u0131 elde edilmi\u015ftir [5]. Mycobacterium anthropophilum S38 Swollenin geninin klonlanmas\u0131, fungal bozunma sel\u00fclaz sisteminin bir bile\u015feni olan hidrojen ba\u011flar\u0131n\u0131 bozuyor olabilir [6]. Ayr\u0131ca, \u00c7in'de sar\u0131 kanatl\u0131 dev termitin lignosel\u00fcloz par\u00e7alay\u0131c\u0131 enzim sistemi \u00fczerine ara\u015ft\u0131rmalar yap\u0131lm\u0131\u015ft\u0131r<\/p>\n<p>Lipaz, biyosentezde \u00f6nemli bir enzim s\u0131n\u0131f\u0131d\u0131r. \u015eu anda \u00c7in, rasyonel tasar\u0131m yoluyla olgunla\u015ft\u0131r\u0131lan \u00fc\u00e7 lipaz geninin modifikasyonu, \u00fcretimi ve uygulamas\u0131 i\u00e7in teknik bir platform olu\u015fturmu\u015ftur. Penicillium expansum FS8486'n\u0131n enzim aktivitesi, gen yeniden d\u00fczenleme teknolojisi kullan\u0131larak 317% ile art\u0131r\u0131lm\u0131\u015ft\u0131r [7]. A\u00e7\u0131k kapakl\u0131 lipaz elde etmek i\u00e7in hedeflenen mutasyon i\u00e7in lipaz \"kapak\" yap\u0131s\u0131, enzim spesifik aktivitesi 5,7 kat, iki fazl\u0131 katalitik verimlilik 1,8 kat artm\u0131\u015ft\u0131r [8].<br \/>\n\u00c7in ayr\u0131ca y\u00fczey g\u00f6r\u00fcnt\u00fcleme m\u00fchendislik bakterileri, E. coli m\u00fchendislik bakterileri, Picrosporum m\u00fchendislik bakterileri, y\u00fcksek yo\u011funluklu k\u00fclt\u00fcr teknolojisi platformu, Pseudohyphae Candida sp. 99-125 lipaz aktivitesini 15 000 U\/mL'den daha fazlas\u0131na ula\u015fm\u0131\u015ft\u0131r [9]. Klonlanm\u0131\u015f Rhizopus miehei lipaz\u0131 iki Pichia mayas\u0131nda ba\u015far\u0131yla ifade edilmi\u015f ve en y\u00fcksek enzim aktivitesi 18 000 U\/mL'ye ula\u015fm\u0131\u015ft\u0131r. Enzim aktivitesi 6 ay boyunca 4 \u2103'de azalmam\u0131\u015f ve biyodizel verimi 12 saatte 95%'den fazla olmu\u015ftur [9]. Rhizopuschinensis lipaz geni Picrosylla'ya ba\u015far\u0131yla klonlanm\u0131\u015f ve birlikte eksprese edilen iki \u015faperon proteini enzim aktivitesini 30% art\u0131rabilmi\u015f ve enzim aktivitesi 16 200 U\/mL'ye ula\u015fm\u0131\u015ft\u0131r [10-11]. Ayn\u0131 zamanda, organik \u00e7\u00f6z\u00fcc\u00fclere kar\u015f\u0131 iyi tolerans ve termal stabiliteye sahip h\u00fccreye ba\u011fl\u0131 lipaz \u00e7al\u0131\u015fmas\u0131 da ger\u00e7ekle\u015ftirilmi\u015ftir.<\/p>\n<p>Amilaz, enzim pazar\u0131n\u0131n 25%'sini olu\u015fturan \u00e7ok \u00f6nemli bir end\u00fcstriyel enzimdir. \u015eu anda, end\u00fcstri esas olarak y\u00fcksek s\u0131cakl\u0131k enzimidir, derin deniz s\u0131v\u0131 a\u011fz\u0131 termofilik anaerobik arke Thermococcus cinsi Thermococcus, h\u00fccre d\u0131\u015f\u0131 \u0131s\u0131ya dayan\u0131kl\u0131 y\u00fcksek s\u0131cakl\u0131k enzimi \u00fcretmi\u015ftir, optimum s\u0131cakl\u0131k 95 \u2103, 100 \u2103 hala enzim geninin canl\u0131l\u0131\u011f\u0131n\u0131n 60%'sine sahiptir PCR ile klonland\u0131 ve E. coli'de ifade edildi [7]. Is\u0131ya dayan\u0131kl\u0131 ni\u015fasta \u00fcreten Geobacillus bakterilerinin iki su\u015fu da Tengchong, Yunnan'dan izole edilmi\u015f ve safla\u015ft\u0131rmadan sonra spesifik canl\u0131l\u0131k 1.320 ve 890 U\/mg olmu\u015ftur [7]. Bacillus alcalophilus'un geni, Bacillus subtilis'in 450 U\/mL'lik bir aktivite ile heterolog olarak ifade edildi\u011fi PCR ile klonlanm\u0131\u015ft\u0131r [9]. Ni\u015fasta i\u015fleme i\u00e7in enerji tasarrufu ve enerji azalt\u0131c\u0131 olan mezofilik asidik \u03b1-amilaz, Bacillus sp. \u03b1-amilaz geni, B. amyliquefaciens \u03b1-amilaz geni ile 98% homolojiye sahiptir [7].<\/p>\n<p>Mannanaz hemisel\u00fclaza aittir ve mannan oligosakkarit haz\u0131rlanmas\u0131 i\u00e7in uygundur. Zhaodong \u015eehri, Richeng enzim haz\u0131rlama \u015firketi, Aspergillus niger m\u00fchendislik bakterisi asidik \u03b2-mannanaz ekspresyon aktivitesi 20 000 U \/ mL, mevcut \u00fcretim seviyesi i\u00e7in 25 kat su\u015f, mantar genetik m\u00fchendisli\u011fi bakterilerinin lider konumunda [10]. Y\u00fcksek s\u0131cakl\u0131k ve asit direncine sahip A. tabescens MAN 47 \u03b2-mannanaz mutant\u0131, DNA kar\u0131\u015ft\u0131rma hedefli mutasyonla elde edilmi\u015f ve 80 \u2103 y\u00fcksek s\u0131cakl\u0131k ve pH 4.0'daki enzim aktivitesi, vah\u015fi tipin 10 kat\u0131 olmu\u015ftur. N-glikozilasyon b\u00f6lgelerinin hedefli olarak eklenmesi, A. tabescens'te hem vah\u015fi tip hem de mutant\u0131n ekspresyonunu sa\u011flad\u0131 ve \u0131s\u0131 stabilitesi, asit stabilitesi ve proteaz direnci geli\u015ftirildi. Yabani tipten 3-5 kat daha y\u00fcksek mannanaz aktivitesine sahip \u00fc\u00e7 mutant da elde edilmi\u015ftir [10-11]. Thermoanaerobacter thermophilus'tan \u0131s\u0131ya dayan\u0131kl\u0131 bir \u03b2-1,4-mannanaz klonlanm\u0131\u015f ve bu enzim y\u00fcksek s\u0131cakl\u0131kta, d\u00fc\u015f\u00fck ge\u00e7irgenlikli petrol kuyular\u0131nda ve hidroksiguar sak\u0131z\u0131na kar\u015f\u0131 80 \u2103'de en y\u00fcksek aktiviteye sahip olmu\u015ftur. Bu enzimin yar\u0131 \u00f6mr\u00fc 46 saattir [10].<\/p>\n<p>Lakkaz, bak\u0131r i\u00e7eren bir polifenol oksidaz, ligninolitik enzimdir, ayr\u0131ca fenollerin, aromatik aminlerin, oligomerlerin sentezini katalize edebilir. Tanya ruderalis'ten Saccharomyces cerevisiae'ye klonlanan lakkaz geninin ekspresyon aktivitesi 9.03 U\/mL olup, orijinal su\u015ftan 3 kat daha y\u00fcksektir [5]. Yabani Gramineae Panus rudis lakkaz\u0131, salg\u0131lama ve ekspresyon i\u00e7in Picros mayas\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f ve enzimin spesifik aktivitesi 16,17 U\/mg olup, hedeflenen mutasyon ve rastgele mutasyon ile 4,4 kat artm\u0131\u015ft\u0131r [7]. Yeni deniz bakteriyel lakkaz, amino asit hedefli mutageneze tabi tutulmu\u015f ve mutant\u0131n yar\u0131 \u00f6mr\u00fc 3 kat uzat\u0131lm\u0131\u015f ve \u00e7\u00f6z\u00fcn\u00fcr protein, optimizasyon \u00f6ncesine k\u0131yasla 244% artm\u0131\u015ft\u0131r. Fermantasyon verimi vah\u015fi tipten 7,9 kat daha y\u00fcksekti [10]. Tropikal bir beyaz \u00e7\u00fcr\u00fck\u00e7\u00fcl mantar t\u00fcr\u00fcnden elde edilen lakkaz\u0131n enzim aktivitesi 11.400 U\/L'ye ula\u015fm\u0131\u015ft\u0131r (guaiacol y\u00f6ntemi) [7].<\/p>\n<p>Thaumatin polisakkaridaz olarak da bilinen Pullulanaz, \u03b1-1,6-glukosidik ba\u011flar\u0131 par\u00e7alayan bir ayr\u0131\u015ft\u0131r\u0131c\u0131 enzimdir. Thermococcus sp. HJ21, optimum s\u0131cakl\u0131\u011f\u0131 95 \u2103 olan h\u00fccre d\u0131\u015f\u0131 y\u00fcksek s\u0131cakl\u0131k Pullulanaz \u00fcretir ve enzim aktivitesi 2 saat boyunca 100 \u2103'de 50%'den daha fazlad\u0131r [7]. Bu enzim i\u00e7in gen PCR ile klonlanm\u0131\u015ft\u0131r. Anoxy bacillus sp. p28 purulanaz gen dizisine klonland\u0131 ve rekombinant plazmid olu\u015fturuldu. E. coli'ye d\u00f6n\u00fc\u015ft\u00fcr\u00fclen \u00fcr\u00fcn, tip I Pullulanaz olan tek bir maltotriozdu. Tengchong kapl\u0131cas\u0131ndan izole edilen \u0131s\u0131ya diren\u00e7li anaerobik Bacillus sp. purulanaz geni Bacillus subtilis'e tan\u0131t\u0131ld\u0131 ve ifade edildi. 60 \u2103 ve 48 saatte hala 50%'den fazla canl\u0131l\u0131k korunmu\u015ftur ve h\u00fccre d\u0131\u015f\u0131 enzim aktivitesi 42 U \/ mL idi, bu da ekspresyon canl\u0131l\u0131\u011f\u0131nda 40 kat art\u0131\u015f anlam\u0131na geliyordu [10]. Nanjing Bestjie Biyom\u00fchendislik \u015eirketi, gen nakavt ve rekombinasyon teknolojisi sayesinde yabani Bacillus Pullulanase genini modifiye etti ve 96,5'in \u00fczerinde DE de\u011ferine sahip glikoz haz\u0131rlayabilen glukoamilaz ile kompozit bir enzim yapt\u0131 ve ticari ad\u0131 glikoz \u00fcretimini kar\u015f\u0131layabilen Y\u00fcksek DEX serisidir ve uluslararas\u0131 seviyeye ula\u015f\u0131r [10].<\/p>\n<p>Penisilin a\u00e7ilaz, \u03b2-laktam antibiyotik end\u00fcstrisinde anahtar enzimdir. \u00c7in, 820 U\/mL'lik bir mutant su\u015f canl\u0131l\u0131\u011f\u0131 elde etmek i\u00e7in mutajenez yoluyla enzim sentezi antibiyotik end\u00fcstrisine, penisilin a\u00e7ilaz\u0131na ba\u015far\u0131yla girmi\u015ftir [2]. Bacillus megaterium penisilin a\u00e7ilaz geninin klonlanmas\u0131 Bacillus subtilis'te 30 U\/mL canl\u0131l\u0131k ile ifade edilmi\u015ftir [4]. Penisilin a\u00e7ilaz, Bacillus subtilis'te 864 U\/L'de salg\u0131land\u0131 ve ifade edildi; bu, vah\u015fi tip Bacillus benzeri \u00fcretici A. faecalis'in veriminden 144 kat daha y\u00fcksekti [5]. B. faecalis'in penisilin a\u00e7ilaz\u0131 E. coli'de salg\u0131land\u0131 ve ifade edildi ve m\u00fchendislik \u00fcr\u00fcn\u00fc bakterinin geli\u015ftirilmi\u015f k\u00fclt\u00fcr\u00fcn\u00fcn enzim aktivitesi &gt;2.000 U\/L idi. 7-amino sefalosporanik asit a\u00e7ilaz (GL-7-ACA a\u00e7ilaz) sefalosporin C'yi d\u00f6n\u00fc\u015ft\u00fcrebilir ve 266 U\/L'ye kadar en y\u00fcksek enzim aktivitesi ile E. coli'de ifade edilmi\u015ftir [5] ve Eupergitc vekt\u00f6r\u00fcnde immobilize edilen Bacillus megaterium'dan penisilin a\u00e7ilaz 30 parti ard\u0131\u015f\u0131k d\u00f6n\u00fc\u015f\u00fcm \u00fcretmi\u015ftir. Enzim, Eupergitc vekt\u00f6r\u00fc ile immobilize edilmi\u015f ve aktivitede herhangi bir azalma olmadan 30 ard\u0131\u015f\u0131k parti halinde \u00fcretilmi\u015ftir [6].<\/p>\n<p>D-amino asit oksidaz, kar\u015f\u0131l\u0131k gelen keto asitleri ve amonya\u011f\u0131 \u00fcretmek i\u00e7in D-amino asitlerin \u00fcretimini katalize edebilir, bu enzim ve 7-aminocephalosporanic asit asilaz (7-ACA asilaz) sefalosporinlerin iki a\u015famal\u0131 \u00fcretimi \u00f6nemli hammadde 7-aminocephalosporanic asit (7-ACA). Metanolik maya taraf\u0131ndan ifade edilen D-amino asit oksidaz kullan\u0131larak y\u00fcksek oranda ifade edilen bir rekombinant Picrosporum spp. olu\u015fturulmu\u015f ve fermantasyon canl\u0131l\u0131\u011f\u0131 14 L tanklarda 8 000-1 2000 U\/L'ye ula\u015fm\u0131\u015ft\u0131r [5]. Picot mayas\u0131 f\u00fczyonu ile ifade edilen ve 1 700 U\/L canl\u0131l\u0131\u011fa sahip D-amino asit oksidaz in\u015fa edilmi\u015ftir [5] ve 1 500 U\/L'ye kadar konstit\u00fctif su\u015flar ve 900 U\/L'ye kadar ind\u00fcklenebilir su\u015flarla iki tip rekombinant GL-7-ACA asilaz da in\u015fa edilmi\u015ftir ve immobilize enzimlerin d\u00f6n\u00fc\u015f\u00fcm oran\u0131 97%'ye ula\u015fm\u0131\u015ft\u0131r [5]. Saccharomyces cerevisiae'nin D-amino asit oksidaz geni, 23.3 U\/mL'lik bir ifade g\u00fcc\u00fc ile E. coli'ye aktar\u0131lm\u0131\u015ft\u0131r[5] .<br \/>\nD-amino asit oksidaz, Amberzyme epoksi re\u00e7inesi \u00fczerinde 14 parti boyunca canl\u0131l\u0131kta herhangi bir azalma olmadan immobilize edilmi\u015f ve d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015ft\u00fcr [6]. P-hidroksifenilglisin, Amberzyme ve D-karbamoil hidrolaz\u0131n iki a\u015famal\u0131 katalitik haz\u0131rlanmas\u0131yla haz\u0131rlanabilen \u03b2-laktam antibiyotiklerin yar\u0131 sentezinde \u00f6nemli bir ara maddedir ve \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc E. coli'de D-arbamoil hidrolaz\u0131n rastgele mutasyonuyla \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fcn\u00fcn 6 kat art\u0131r\u0131ld\u0131\u011f\u0131[6] ve D-arbamoil hidrolaz\u0131n \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc d\u00fc\u015f\u00fck olan E. coli'nin rekombinant ekspresyonu ve molek\u00fcler \u015faperonlar\u0131n birlikte ekspresyonunun \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc yakla\u015f\u0131k 3 kat art\u0131rd\u0131\u011f\u0131 bildirilmi\u015ftir[7].<\/p>\n<p>Karbonil red\u00fcktaz karbonil bile\u015fiklerinin asimetrik indirgenmesi kiral alkollerin haz\u0131rlanmas\u0131nda yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Etil (S)-4-kloro-3-hidroksib\u00fctirat, Streptomyces azureus karbonil red\u00fcktaz ile haz\u0131rlanm\u0131\u015ft\u0131r. Rekombinant bakterisi E. coli BL21, etil (S)-4-kloro-3-4-fenilb\u00fctirat ve metil (S)-o-kloromandelat\u0131 99%'den fazla d\u00f6n\u00fc\u015f\u00fcm ve ee de\u011ferleriyle haz\u0131rlad\u0131 F\u0131r\u0131nc\u0131 mayas\u0131 karbonil red\u00fcktaz geninin homolog ekspresyonunun \u00fcr\u00fcnlerinin enantiyomerik ee de\u011ferleri ve verimleri art\u0131r\u0131ld\u0131. Yeni bir (S) tipi karbonil red\u00fcktaz, neredeyse p\u00fcr\u00fczs\u00fcz ps\u00f6dohif genomundan klonlanm\u0131\u015f ve rekombinant bakteri E. coliBL 21, 99.1% optik safl\u0131k ve 89.6% verim ile (S)-fenilglikol haz\u0131rlayabilmi\u015ftir [8,11].<\/p>\n<p>\u03b2-Glukozidaz, sel\u00fclaz sisteminin \u00f6nemli bir bile\u015fenidir; selobiyozu ve \u00e7\u00f6z\u00fcn\u00fcr selobiyozu glikoza ve ilgili ligandlara hidrolize edebilir, \u03b2-glikozidik ba\u011flar\u0131 hidrolize edebilir ve yeni \u015feker t\u00fcrevlerini sentezleyebilir. Aspergillus suisse'den \u03b2-glukozidaz, gen nakavt\u0131 ve amino asit mutasyonu yoluyla, mutant\u0131n enzim aktivitesi vah\u015fi tipten 143 kat daha y\u00fcksekti [9]. Sphingobacterium neoformans \u03b2-glukozidaz geni, izoflavon glikozitleri d\u00f6n\u00fc\u015ft\u00fcrerek kar\u015f\u0131l\u0131k gelen glikozitleri \u00fcretebilen E. coli'de ba\u015far\u0131yla ifade edilmi\u015ftir [10]. Prokaryotik bir ekspresyon sistemi kullan\u0131larak Tayvan s\u00fct termiti E. coli'nin ba\u011f\u0131rsak sisteminde \u03b2-glukozidaz\u0131n heterolog ekspresyonu, mutant enzimin aktivitesinde vah\u015fi tip enzime k\u0131yasla 2,6 kat art\u0131\u015fla sonu\u00e7lanm\u0131\u015ft\u0131r. Ayr\u0131ca glikoz tolerans\u0131n\u0131 ve termal stabiliteyi de geli\u015ftirmi\u015ftir [10]. Penicillium obliquum \u03b2-glukozidaz genetik olarak modifiye edildi ve transformasyonla \u00fc\u00e7 ekspresyon su\u015fu elde edildi ve enzim aktivitesi orijinal su\u015funkine k\u0131yasla 3,4-3,7 kat artt\u0131 [10] ve \u0131s\u0131ya dayan\u0131kl\u0131 \u03b2-glukozidaz geni, yetkin olmayan bir prion bakterisinden izole edildi ve E. coli'de klonland\u0131 ve enzim aktivitesi 17 kat artt\u0131 [4]. Glukoza toleransl\u0131 bir \u03b2-glukozidaz, bir deniz makrojenomundan taranm\u0131\u015f ve verimli ifade i\u00e7in E. coli'ye klonlanm\u0131\u015ft\u0131r ve 400 mmol\/L'nin alt\u0131ndaki glukoz konsantrasyonlar\u0131 enzimi te\u015fvik etmi\u015f ve 1.000 mmol\/L glukoz konsantrasyonuna kadar enzim aktivitesi 50% olmu\u015ftur [8,11]. \u03b2-glukozidaz\u0131n stabilitesini art\u0131rmak i\u00e7in DNA yeniden d\u00fczenlenmesi ve hedefli mutajenez kullan\u0131lm\u0131\u015f ve d\u00f6rt mutant\u0131n 61 \u2103'deki \u0131s\u0131 inaktivasyon yar\u0131 \u00f6mr\u00fc, vah\u015fi tipe k\u0131yasla 14.16-, 68- ve 44 kat artm\u0131\u015ft\u0131r. Is\u0131 direnci \u00f6nemli \u00f6l\u00e7\u00fcde iyile\u015ftirilmi\u015ftir [8].<\/p>\n<p>Laktaz olarak da bilinen Galaktosidaz, laktozu glikoz ve galaktozil gruplar\u0131na ay\u0131r\u0131r ve oligosakkaritleri sentezleyebilir. Etkili bir transglikozilleme enzimi olan \u03b2-Galaktosidaz, makro-genomik y\u00f6ntemle deniz dibi \u00e7amurundan elde edilmi\u015f ve E. coli'de \u00e7\u00f6z\u00fcnd\u00fcr\u00fcl\u00fcp ifade edilmi\u015f, organik \u00e7\u00f6z\u00fcc\u00fcleri tolere etmi\u015f ve 51.6%'ye kadar verimlerde oligo-galaktoz sentezlemi\u015ftir [9]. Aspergillus \u03b1-galaktosidaz 305 IU\/g enzim aktivitesi ile kat\u0131 bir \u015fekilde fermente edilir [6]. Sulfolobus solfataricus P2'nin \u03b2-galaktosidaz\u0131, bir mutant olu\u015fturmak i\u00e7in molek\u00fcler olarak modifiye edilmi\u015f ve mutant enzim F441Y, vah\u015fi tipten yakla\u015f\u0131k 10% daha y\u00fcksek olan 61%'lik bir verimle oligogalaktoz \u00fcretmi\u015ftir [9].<\/p>\n<p>Nitril hidrataz, E. coli ve Picrosporum'da ifade edilen Nocardia sp. YS-2002'de 6.000 uluslararas\u0131 birime kadar fermantasyon canl\u0131l\u0131\u011f\u0131 ile akrilonitrilden akrilamid \u00fcretimini katalize eden amidlerin, karboksilik asitlerin ve bunlar\u0131n t\u00fcrevlerinin sentezinde \u00f6nemli uygulamalara sahiptir [5].<\/p>\n<p>\u0130n\u00fclinaz, oligofruktoz \u00fcretmek i\u00e7in in\u00fclinin \u03b2-2,1-D-fruktofruktoz fruktozid ba\u011f\u0131n\u0131 hidrolize eden hidrolitik bir enzimdir ve iki t\u00fcre ayr\u0131l\u0131r: endon\u00fckleaz ve ekzon\u00fckleaz. Aspergillus niger'in in\u00fclin endon\u00fckleaz geni, etkili ekspresyon elde etmek i\u00e7in Bichiria mayas\u0131na klonlanm\u0131\u015f ve rekombinant enzim aktivitesi 128 U\/mL'ye ula\u015farak uluslararas\u0131 seviyeye ula\u015fm\u0131\u015ft\u0131r [9].<\/p>\n<p>Alginat sentaz, alginat g\u0131da, ila\u00e7, hafif sanayi alan\u0131nda yayg\u0131n olarak kullan\u0131lmaktad\u0131r, tek enzim y\u00f6ntemi ile maltozdan alginat \u00fcretmek i\u00e7in kullan\u0131labilir, enzim molek\u00fcllerinin rasyonel tasar\u0131m\u0131 ve DNA kar\u0131\u015ft\u0131rma teknolojisi ile iki GRAS su\u015fundan ve iki termofilik bakteriden alginat sentaz genlerine klonlanm\u0131\u015f ve y\u00fcksek verimlilikte ekspresyonu ba\u015far\u0131yla ger\u00e7ekle\u015ftirilmi\u015f ve end\u00fcstriyel \u00fcretimde ger\u00e7ekle\u015ftirilmi\u015ftir [5].<\/p>\n<p>N\u00f6tral proteaz end\u00fcstriyel \u00fcretimde yayg\u0131n olarak kullan\u0131lmaktad\u0131r, Bacillus subtilis AS1398 gen Npr'nin rekombinant plazmidi \u00e7ok kopyal\u0131 rekombinant bakteri elde etmek i\u00e7in B. subtilisAS 1398'e aktar\u0131lm\u0131\u015ft\u0131r ve rekombinant bakteri plazmid stabilitesi 30 ard\u0131\u015f\u0131k nesil boyunca 100%'de korunmu\u015ftur ve proteaz\u0131n ekspresyon seviyesi 24 000-28 000 U\/ [10] mL'ye ula\u015fmak i\u00e7in 1 kattan fazla art\u0131r\u0131lm\u0131\u015ft\u0131r [10]. Etkili nematisidal vir\u00fclansa sahip B. subtilis su\u015fu, optimizasyon \u00f6ncesine g\u00f6re 5 kat daha y\u00fcksek olan 12 379 U\/mL'ye kadar proteaz aktivitesi elde etmek \u00fczere k\u00fclt\u00fcr i\u00e7in optimize edilmi\u015f ve B. subtilis WB600'\u00fcn ifade sistemi, biyosit i\u00e7in temel olarak kullan\u0131lan \u0131s\u0131ya dayan\u0131kl\u0131 bir mutant elde etmek \u00fczere rastgele bir mutasyon k\u00fct\u00fcphanesi olu\u015fturmak i\u00e7in uygulanm\u0131\u015ft\u0131r [8]. \u0130nsan matriks metalloproteinaz\u0131 t\u00fcm\u00f6r metastaz\u0131 ile yak\u0131ndan ili\u015fkilidir ve enzim E. coli'de ba\u015far\u0131l\u0131 bir \u015fekilde klonlanm\u0131\u015f ve ifade edilmi\u015ftir, bu da enzim ve t\u00fcm\u00f6r metastaz\u0131 mekanizmas\u0131n\u0131n incelenmesi ve enzimin spesifik inhibit\u00f6rlerinin ara\u015ft\u0131r\u0131lmas\u0131 i\u00e7in temel olu\u015fturmaktad\u0131r [5].<\/p>\n<p>Glukanaz, bira \u00fcretiminde ve yem ilavesinde kullan\u0131lan endon\u00fckleaz ve ekzon\u00fckleaz olarak ikiye ayr\u0131lan bir hidrolazd\u0131r. Penicillium thermophilum \u03b2-1,3-1,4-glukanaz geni prokaryotik bir ekspresyon vekt\u00f6r\u00fcne klonlanm\u0131\u015f ve 240 U\/mL enzim aktivitesi ile E. coli BL 21 ind\u00fcklenmi\u015f ekspresyonuna transfekte edilmi\u015ftir [8] ve Streptomyces sp. S27 endon\u00fckleaz \u03b2-1,3-glukanaz geni, kombucha polisakkaritlerini vb. hidrolize eden ve patojenik ve toksin \u00fcreten mantarlar\u0131 inhibe edebilen E. coli'de verimli bir \u015fekilde eksprese edilmi\u015ftir [8]. Aspergillus longum'un endoglukanaz geni ifade edilmek \u00fczere Picrosporum'a eklenmi\u015f ve rekombinant bakteri III'\u00fcn enzim aktivitesi 110 U\/mL'ye ula\u015fm\u0131\u015f, bu da 50% ile artt\u0131r\u0131lmak \u00fczere optimize edilmi\u015ftir [8]. Nokta mutasyonu son derece \u0131s\u0131ya dayan\u0131kl\u0131 Thermotogamaritima endoglukanaz Cell-12B, enzim optimum s\u0131cakl\u0131\u011f\u0131 95 \u2103, 90 \u2103 hala 70% canl\u0131 tuttu.<br \/>\nN-asetiln\u00f6raminik asit, canl\u0131 organizmalardaki en \u00f6nemli t\u00fck\u00fcr\u00fck asitlerinden biridir ve t\u00fck\u00fcr\u00fck asidi \u015feker zinciri bir\u00e7ok ya\u015fam s\u00fcrecinde yer al\u0131r, CMP-t\u00fck\u00fcr\u00fck asidi n\u00f6ronal h\u00fccrelerin yenilenmesini destekler ve CMP-t\u00fck\u00fcr\u00fck asidi sentetaz geninin baz modifikasyonu, E. coli'de y\u00fcksek verimli ekspresyonla sonu\u00e7lanm\u0131\u015ft\u0131r, enzim ekspresyonu toplam proteinin 26.5%'sini ve 100 U\/L enzim aktivitesini olu\u015fturmu\u015ftur, bu da \u00e7\u0131k\u0131\u015f su\u015funun 850 kat\u0131yd\u0131 [4]. Aflatoksin detoksifikasyon enzimi bir oksijenazd\u0131r ve gen, Saccharomyces cerevisiae'de y\u00fcksek yo\u011funluklu fermantasyonda ifade edilmek \u00fczere rekombinant teknoloji ile olu\u015fturulmu\u015ftur ve enzim toplam proteinin 56%'sini olu\u015fturmu\u015f ve ifade miktar\u0131 814,5 mg\/L'ye ula\u015fm\u0131\u015ft\u0131r [6]. Enzim mutasyon geninin rekombinant plazmidi, \u00e7o\u011faltmak ve Saccharomyces cerevisiae'ye aktarmak i\u00e7in E. coli'ye sokuldu ve bir mutasyon k\u00fct\u00fcphanesi olu\u015fturuldu ve mutant A1773'\u00fcn enzim aktivitesi 5 kat artt\u0131. Mutant A1242 y\u00fcksek s\u0131cakl\u0131k direncinde 3,5 kat art\u0131\u015f g\u00f6stermi\u015ftir. Spesifik enzim aktivitesi 56 U\/mg olan mutant DS1474 ve spesifik enzim aktivitesi 44 U\/mg olan mutant DS896 [9], yemlerde detoksifikasyon i\u00e7in enzim \u00fcr\u00fcnleri olarak onaylanm\u0131\u015ft\u0131r.<\/p>\n<p>Aspergillus fumigatus mantar enfeksiyonu insan sa\u011fl\u0131\u011f\u0131 i\u00e7in zor bir sorundur, Aspergillus fumigatus genomunun sistematik \u00e7al\u0131\u015fmas\u0131 50'den fazla glikozilasyon yolu ile ilgili gen, Aspergillus fumigatus, kitinaz, fosfomannan izomerazdan klonlanm\u0131\u015ft\u0131r, O-mannosiltransferaz, \u03b1-1,4-N-asetilglukozaminiltransferaz, \u03b1-glukozidaz I ve CMP-salivaril sentetaz genleri, fungal glikozilasyon mekanizmas\u0131n\u0131n anla\u015f\u0131lmas\u0131, geneti\u011fi de\u011fi\u015ftirilmi\u015f ila\u00e7lar\u0131n geli\u015ftirilmesi ve antifungal enfeksiyonlar\u0131n \u00f6nlenmesi i\u00e7in kullan\u0131lmaktad\u0131r [6].<\/p>\n<p>L-asparajinaz, DNA rekombinasyon teknolojisi, L-asparajinaza \u00f6zg\u00fc tek zincirli antikor fragman\u0131 ve enzimin in vivo stabilitesini art\u0131rmak i\u00e7in bir f\u00fczyon proteini olu\u015fturmak i\u00e7in enzim arac\u0131l\u0131\u011f\u0131yla l\u00f6semi \u00fczerinde a\u00e7\u0131k bir terap\u00f6tik etkiye sahiptir, rekombinant E. coli AS 1357 m\u00fchendislik enzim aktivitesi 228 U \/ mL'ye kadar artm\u0131\u015ft\u0131r, bu da vah\u015fi bakteri ile 50 kattan fazla kar\u015f\u0131la\u015ft\u0131r\u0131labilir. Esteraz geni, makrojenomik y\u00f6ntemle E. coli'ye aktar\u0131lm\u0131\u015f ve olu\u015fturulan m\u00fchendislik bakterisi, 200 mg\/L ekspresyon miktar\u0131, 180 U\/mg'a kadar enzim canl\u0131l\u0131\u011f\u0131 ve 60 \u2103'deki termal stabilite ile canl\u0131l\u0131\u011f\u0131 art\u0131rm\u0131\u015ft\u0131r. vah\u015fi tipe k\u0131yasla 144 kat ve 196 kat iyile\u015ftirildi ve klorpirifos, deltametrin, deltametrin ve flucythrinleri par\u00e7alayabilen yeni bir polyester pestisit par\u00e7alay\u0131c\u0131 mutant esteraz elde edildi [9].<br \/>\nAlkali pektinaz rekombinant Picher maya fermantasyonu ile \u00fcretilmi\u015ftir ve en y\u00fcksek enzim \u00fcretimi 1 t ferment\u00f6rden 1.315 U\/mL olarak elde edilmi\u015ftir [8]. Aspergillus niger EIM-6 k\u00fclt\u00fcr\u00fcn\u00fcn pektinaz aktivitesi 30 231 U\/mL olarak optimize edilmi\u015ftir [8,11]. E. coli'ye klonlanan Pseudomonas salisilat hidroksilaz geni, salisilik asit, asetilsalisilik asit, s\u00fclfosalisilik asit, salisilaldehit, m-nitrobenzaldehit, 5-klorosalisilik asit, oktanal ve o-nitrobenzaldehiti par\u00e7alayan iki naftalin par\u00e7alay\u0131c\u0131 enzimi ifade etmi\u015ftir [5].<br \/>\nOrganofosfat esterleri, b\u00f6cek ilac\u0131, herbisit veya sinir ajan\u0131 olarak kullan\u0131lan olduk\u00e7a toksik bile\u015fiklerin bir s\u0131n\u0131f\u0131d\u0131r. Pseudomonas aeruginosa'n\u0131n organofosfat ester hidrolaz\u0131 klonlanm\u0131\u015f ve amino asit b\u00f6lgesi mutasyonu ile E. coli'de rekombinant olarak eksprese edilmi\u015f, bu da organofosfat esterlerin hidroliz kapasitesini yakla\u015f\u0131k 7.000 kat art\u0131rm\u0131\u015ft\u0131r [10].<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Enzim, biyoteknoloji ve g\u0131da bile\u015fenleri konular\u0131nda pratik bir kaynak bulma kontrol listesi<\/h2>\n<p>Enzim ve g\u0131da i\u015fleme projelerinde, en faydal\u0131 karar \u00e7er\u00e7evesi genellikle uygulama uygunlu\u011fu ve s\u00fcre\u00e7 istikrar\u0131d\u0131r: hangi bile\u015fen, ama\u00e7lanan pH, s\u0131cakl\u0131k, s\u00fcre ve substrat ko\u015fullar\u0131 alt\u0131nda, sonraki a\u015famalarda kalite veya uyumluluk sorunu yaratmadan performans g\u00f6sterir?<\/p>\n<ul>\n<li><strong>\u00d6ncelikle i\u015flem hedefini tan\u0131mlay\u0131n:<\/strong> Lezzetlendirme, hidroliz, doku, fermantasyon, temizlik ve biyoproses uygulamalar\u0131 genellikle \u00e7ok farkl\u0131 aktivite profillerine ihtiya\u00e7 duyar.<\/li>\n<li><strong>Ger\u00e7ek \u00e7al\u0131\u015fma penceresini kontrol edin:<\/strong> pH, s\u0131cakl\u0131k, bekleme s\u00fcresi ve substrat t\u00fcr\u00fc, \u00fcr\u00fcn\u00fcn \u00f6ne \u00e7\u0131kan iddialar\u0131ndan genellikle daha \u00f6nemlidir.<\/li>\n<li><strong>Tutarl\u0131l\u0131\u011f\u0131 ve sonraki a\u015famalardaki etkisini g\u00f6zden ge\u00e7irin:<\/strong> Dozaj, duyusal etki, filtrasyon ve raf \u00f6mr\u00fc davran\u0131\u015f\u0131, nihai ticari de\u011feri etkileyebilecek fakt\u00f6rlerdir.<\/li>\n<li><strong>Pilot do\u011frulama y\u00f6ntemini kullan\u0131n:<\/strong> K\u00fc\u00e7\u00fck \u00f6l\u00e7ekli \u00fcretim testleri genellikle faaliyet, verimlilik ve s\u00fcre\u00e7 uyumlulu\u011fu a\u00e7\u0131s\u0131ndan en faydal\u0131 farkl\u0131l\u0131klar\u0131 ortaya \u00e7\u0131kar\u0131r.<\/li>\n<\/ul>\n<h3>\u00d6nerilen \u00fcr\u00fcn referanslar\u0131<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/product\/lipase-cas-9001-62-1\/\">Longzyme Lipaz<\/a>:<\/strong> Lipaz ile ilgili g\u0131da, temizlik veya biyoproses tart\u0131\u015fmalar\u0131 i\u00e7in do\u011frudan \u00fcr\u00fcn referans\u0131.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/product\/beta-amylase-cas-9000-91-3\/\">Longzyme Beta-Amilaz<\/a>:<\/strong> Ni\u015fasta d\u00f6n\u00fc\u015f\u00fcm\u00fc ve g\u0131da i\u015fleme faaliyetleri incelenirken kullan\u0131labilecek pratik bir enzim referans kayna\u011f\u0131.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/product\/compound-glucoamylase-cas-9032-08-0\/\">Longzyme Bile\u015fik Glukoamilaz<\/a>:<\/strong> \u015eekerle\u015ftirme veya ilgili i\u015flem performans\u0131n\u0131n \u00f6nemli oldu\u011fu durumlarda yararl\u0131 bir enzim referans\u0131.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/tr\/product\/yeast-extract-cas-8013-01-2\/\">Maya \u00d6z\u00fc<\/a>:<\/strong> Lezzetlendirme, fermantasyon veya besin deste\u011fi uygulamalar\u0131nda kullan\u0131labilecek pratik bir i\u00e7erik referans\u0131.<\/li>\n<\/ul>\n<h3>Al\u0131c\u0131lar ve form\u00fclat\u00f6rler i\u00e7in SSS<\/h3>\n<p><strong>Y\u00fcksek aktiviteli bir enzimin ticari a\u00e7\u0131dan otomatik olarak en iyi se\u00e7enek olmamas\u0131n\u0131n nedeni nedir?<\/strong><br \/>\u00c7\u00fcnk\u00fc en iyi enzim, ger\u00e7ek proses ko\u015fullar\u0131 alt\u0131nda g\u00fcvenilir bir \u015fekilde performans g\u00f6steren ve yeni sorunlar yaratmadan istenen nihai sonucu veren enzimdir.<\/p>\n<p><strong>G\u0131da ve biyoteknoloji bile\u015fenleri yaln\u0131zca veri sayfalar\u0131na g\u00f6re mi se\u00e7ilmelidir?<\/strong><br \/>Genellikle, teknik \u00f6zellik incelemesini bir pilot veya uygulama testiyle birlikte yapmak daha g\u00fcvenlidir, \u00e7\u00fcnk\u00fc ger\u00e7ek alt tabakalar ve i\u015flem aral\u0131klar\u0131 sonucu b\u00fcy\u00fck \u00f6l\u00e7\u00fcde de\u011fi\u015ftirebilir.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>\u015eimdi Bize Ula\u015f\u0131n!<\/b><\/strong><\/h2>\n<h4><strong><b>Fiyata ihtiyac\u0131n\u0131z varsa, l\u00fctfen a\u015fa\u011f\u0131daki forma ileti\u015fim bilgilerinizi doldurun, genellikle 24 saat i\u00e7inde sizinle ileti\u015fime ge\u00e7ece\u011fiz. Bana e-posta da g\u00f6nderebilirsiniz\u00a0<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0\u00c7al\u0131\u015fma saatleri i\u00e7inde (8:30 - 6:00 UTC+8 Pzt.~Sat.) veya h\u0131zl\u0131 yan\u0131t almak i\u00e7in web sitesi canl\u0131 sohbetini kullan\u0131n.<\/b><\/strong><\/h4>\n<table style=\"border-collapse: collapse; width: 326.27pt;\" border=\"0\" width=\"435\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt; width: 164.25pt;\" width=\"219\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/compound-glucoamylase-cas-9032-08-0\/\"><span style=\"color: #00ccff;\">Bile\u015fik Glukoamilaz<\/span><\/a><\/td>\n<td class=\"et2\" style=\"width: 162.00pt;\" width=\"216\">9032-08-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/pullulanase-cas-9075-68-7\/\"><span style=\"color: #00ccff;\">Pullulanase<\/span><\/a><\/td>\n<td class=\"et2\">9075-68-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/xylanase-cas-37278-89-0\/\"><span style=\"color: #00ccff;\">Ksilanaz<\/span><\/a><\/td>\n<td class=\"et2\">37278-89-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/cellulase-cas-9012-54-8\/\"><span style=\"color: #00ccff;\">Sel\u00fclaz<\/span><\/a><\/td>\n<td class=\"et2\">9012-54-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/naringinase-cas-9068-31-9\/\"><span style=\"color: #00ccff;\">Naringinaz<\/span><\/a><\/td>\n<td class=\"et2\">9068-31-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/beta-amylase-cas-9000-91-3\/\"><span style=\"color: #00ccff;\">\u03b2-Amilaz<\/span><\/a><\/td>\n<td class=\"et2\">9000-91-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/glucose-oxidase-cas-9001-37-0\/\"><span style=\"color: #00ccff;\">Glikoz oksidaz<\/span><\/a><\/td>\n<td class=\"et2\">9001-37-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Alfa-Amilaz<\/td>\n<td class=\"et2\">9000-90-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/longzyme-acid-pectinase-cas-9032-75-1\/\"><span style=\"color: #00ccff;\">Pektinaz<\/span><\/a><\/td>\n<td class=\"et2\">9032-75-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\">Peroksidaz<\/td>\n<td class=\"et2\">9003-99-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/lipase-cas-9001-62-1\/\"><span style=\"color: #00ccff;\">Lipaz<\/span><\/a><\/td>\n<td class=\"et2\">9001-62-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/catalase-cas-9001-05-2\/\"><span style=\"color: #00ccff;\">Katalaz<\/span><\/a><\/td>\n<td class=\"et4\">9001-05-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/tannase-cas-9025-71-2\/\"><span style=\"color: #00ccff;\">TANNASE<\/span><\/a><\/td>\n<td class=\"et2\">9025-71-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/elastase-cas-39445-21-1\/\"><span style=\"color: #00ccff;\">Elastaz<\/span><\/a><\/td>\n<td class=\"et2\">39445-21-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/urease-cas-9002-13-5\/\"><span style=\"color: #00ccff;\">Urease<\/span><\/a><\/td>\n<td class=\"et2\">9002-13-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/dextranase-cas-9025-70-1\/\"><span style=\"color: #00ccff;\">DEXTRANASE<\/span><\/a><\/td>\n<td class=\"et2\">9025-70-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.5pt; text-align: left;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/l-lactic-dehydrogenase-cas-9001-60-9\/\"><span style=\"color: #00ccff;\">L-Laktik dehidrojenaz<\/span><\/a><\/td>\n<td class=\"et2\">9001-60-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/dehydrogenase-malate-cas-9001-64-3\/\"><span style=\"color: #00ccff;\">Dehidrojenaz malat<\/span><\/a><\/td>\n<td class=\"et2\">9001-64-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/tr\/product\/cholesterol-oxidase-cas-9028-76-6\/\"><span style=\"color: #00ccff;\">Kolesterol oksidaz<\/span><\/a><\/td>\n<td class=\"et2\">9028-76-6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>As we all know, living organisms are composed of cells. Enzymes are the catalysts of metabolism in the human body, and only when enzymes are present can chemical reactions take<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-7260","post","type-post","status-publish","format-standard","hentry","category-enzyme-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>what type of macromolecule is an enzyme\uff1f - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"As we all know, living organisms are composed of cells. 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