乳酸脱氢酶
乳酸脱氢酶(英语:Lactate dehydrogenase;EC 1.1.1.27),缩写:LDH或LD,是一个广泛存在于各种生物体中的酶,包括了植物与动物。
乳酸脱氢酶 | |||||||
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识别码 | |||||||
EC编号 | 1.1.1.27 | ||||||
CAS号 | 9001-60-9 | ||||||
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 | ||||||
基因本体 | AmiGO / EGO | ||||||
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乳酸脱氢酶A (M亚基) | |
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人类乳酸脱氢酶M4(在骨骼肌中发现的同工酶)。来自PDB 1I10。 | |
识别 | |
符号 | LDHA |
替换符号 | LDHM |
Entrez | 3939 |
HUGO | 6535 |
OMIM | 150000 |
RefSeq | NM_005566 |
UniProt | P00338 |
其他数据 | |
EC编号 | 1.1.1.27 |
基因座 | 11 p15.4 |
乳酸脱氢酶存在于四种不同的酶分类中。其中两种是依赖细胞色素c的酶,它们各自作用于D-乳酸(EC 1.1.2.4)与L-乳酸(EC 1.1.2.3)。
反应
编辑乳酸脱氢酶催化丙酮酸与乳酸之间的互变并伴随着还原型烟酰胺腺嘌呤二核苷酸与其氧化型之间互变。
此酶也可催化2-羟基丁酸的脱氢作用,但其为较乳酸劣势的底物。
L-乳酸脱氢酶
编辑D-乳酸脱氢酶
编辑- EC编号:1.1.1.28
- 通用名:D-乳酸脱氢酶
- 英文:D-lactate dehydrogenase
- 催化反应:(D)-乳酸+NAD+⇔丙酮酸+NADH+H+
- 系统名称:(R)-乳酸:NAD+氧化还原酶
- 英文:(R)-lactate:NAD+ oxidoreductase
- CAS登记号:9028-36-8
- 参考:Dennis, D. and Kaplan, N.O. D and L-lactic acid dehydrogenase in Lactobacillus plantarum. J. Biol. Chem. 235 (1960) 810-818
延伸阅读
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