1,4-beta-D-ksilan sintaza
Enzimologiyada 1,4-beta-D-ksilan sintaza {EC 2.4.2.24} kimyoviy reaksiyani katalizlovchi ferment
- UDP-D-ksiloza + (1,4-beta-D-ksilan)n {\displaystyle \rightleftharpoons} UDP + (1,4-beta-D-ksilan)n+1
Shunday qilib, bu fermentning ikkita substrati UDP-D-ksiloza hamda (1,4-beta-D-ksilan)n, uning ikkita mahsuloti UDP hamda (1,4-beta-D-ksilan)n+1 dir.
Bu ferment glikoziltransferazalar oilasiga, xususan pentosiltransferazalarga tegishli, ushbu ferment sinfining sistematik nomi UDP-D-ksiloza: 1,4-beta-D-ksilan 4-beta-D-ksilosiltransferazadir . Umumiy qurilmada foydalinishda boshqa nomlari orasida uridin difosfoksiloza-1,4-beta-ksilan ksilosiltransferaza, 1,4-beta-ksilan sintaza, ksilan sintaza hamda ksilan sintetaza mavjud. Bu ferment kraxmal hamda saxaroza almashinuvida hamda nukleotid shakar almashinuvida ishtirok etadi.
Manbalar[tahrir | manbasini tahrirlash]
Bu andozani aniqrogʻiga almashtirish kerak. |
- "Xylan synthesis from uridine-diphosphate-d-xylose by particulate preparations from immature corncobs". Proceedings of the National Academy of Sciences of the United States of America 56 (5): 1586–93. November 1966. doi:10.1073/pnas.56.5.1586. PMID 16591393. PMC 220039. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=220039.