在酶學中,mRNA鳥苷酸轉移酶(EC 2.7.7.50)是一種催化化學反應的酶。
- GTP + (5')ppPur-mRNA diphosphate + G(5')pppPur-mRNA
此條目可參照英語維基百科相應條目來擴充。 |
因此,該酶的兩個底物是GTP和(5')ppPur-mRNA,而其兩個產物是二磷酸和G(5')pppPur-mRNA。該酶屬於轉移酶家族,特別是轉移含磷的核苷酸基團的那些酶(核苷酸轉移酶)。
該酶類別的系統名稱是GTP:mRNA鳥苷酸轉移酶。常用的其他名稱包括mRNA加帽酶、mRNA鳥苷酸轉移酶和Protein 2。
結構研究
參考資料
- Ensinger MJ, Martin SA, Paoletti E, Moss B. Modification of the 5'-terminus of mRNA by soluble guanylyl and methyl transferases from vaccinia virus. Proc. Natl. Acad. Sci. U.S.A. 1975, 72 (7): 2525–9. Bibcode:1975PNAS...72.2525E. PMC 432801 . PMID 1058472. doi:10.1073/pnas.72.7.2525.
- Groner Y, Gilboa E, Aviv H. Methylation and capping of RNA polymerase II primary transcripts by HeLa nuclear homogenates. Biochemistry. 1978, 17 (6): 977–82. PMID 629955. doi:10.1021/bi00599a005.
- Itoh N, Yamada H, Kaziro Y, Mizumoto K. Messenger RNA guanylyltransferase from Saccharomyces cerevisiae Large scale purification, subunit functions, and subcellular localization. J. Biol. Chem. 1987, 262 (5): 1989–95. PMID 3029058.
- Martin SA, Moss B. Modification of RNA by mRNA guanylyltransferase and mRNA (guanine-7-)methyltransferase from vaccinia virions. J. Biol. Chem. 1975, 250 (24): 9330–5. PMID 1194287.
- Martin SA, Paoletti E, Moss B. Purification of mRNA guanylyltransferase and mRNA (guanine-7-) methyltransferase from vaccinia virions. J. Biol. Chem. 1975, 250 (24): 9322–9. PMID 1194286.
這是一篇與化學相關的小作品。您可以透過編輯或修訂擴充其內容。 |
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.