核苷三磷酸还原酶
核苷三磷酸还原酶(Ribonucleoside-triphosphate reductase)(EC 1.17.4.2ribonucleotide reductase, 2'-deoxyribonucleoside-triphosphate:oxidized-thioredoxin 2'-oxidoreductase),系统名“2-2'-脱氧核糖核苷三磷酸:硫氧还蛋白二硫键-2'-氧化还原酶”(2'-deoxyribonucleoside-triphosphate:thioredoxin-disulfide 2'-oxidoreductase)[1][2][3],系一种能催化以下化学反应的酶:
核苷三磷酸还原酶 Ribonucleoside-triphosphate reductase | |||||||
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识别码 | |||||||
EC编号 | 1.17.4.2 | ||||||
CAS号 | 9068-66-0 | ||||||
数据库 | |||||||
IntEnz | IntEnz浏览 | ||||||
BRENDA | BRENDA入口 | ||||||
ExPASy | NiceZyme浏览 | ||||||
KEGG | KEGG入口 | ||||||
MetaCyc | 代谢路径 | ||||||
PRIAM | 概述 | ||||||
PDB | RCSB PDB PDBj PDBe PDBsum | ||||||
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2'-脱氧核糖核苷三磷酸+硫氧化还原蛋白二硫键+H2O 核糖核苷三磷酸+硫氧化还原蛋白
核苷三磷酸还原酶的作用需要cobamide辅酶,同时还要消耗ATP。
参考
编辑- ^ Blakley, R.L. Cobamides and ribonucleotide reduction. I. Cobamide stimulation of ribonucleotide reduction in extracts of Lactobacillus leichmannii. J. Biol. Chem. 1965, 240: 2173–2180. PMID 14299643.
- ^ Goulian, M. and Beck, W.S. Purification and properties of cobamide-dependent ribonucleotide reductase from Lactobacillus leichmannii. J. Biol. Chem. 1966, 241: 4233–4242. PMID 5924645.
- ^ Lammers, M. and Follmann, H. The ribonucleotide reductases - a unique group of metalloenzymes essential for cell-proliferation. Struct. Bonding. 1983, 54: 27–91. doi:10.1007/bfb0111318.