Lactate dehydrogenase (LDH-E) 乳酸脱氢酶

  • 临床检测用酶
乳酸脱氢酶

The enzyme is useful for the determination of lactate in clinical analysis and continuous lactate monitoring sensor.

由来 recombinant E. coli
系统名称

(s)-Lactate : ferricytochrome-c 2-oxidoreductase

反应式

L-Lactate + acceptor → → → Pyruvate + reduced acceptor

规格

Appearance Reddish brown lyophilizate
Activity ≧230 U/mg
Storage condition below -20℃ protected from light

特性

Molecular weight ca. 55 kDa (SDS-PAGE)
Structure tetramer
Coenzymes (Cofactors) FMN, Heme b (protoheme IX)
Michaelis constant 1.7×10-3M (L-Lactate)
pH Optimum 7.5
pH Stability 7.0–8.0
Optimum temperature 40℃
Thermal stability (liquid form) below 40℃

适用类型

The enzyme is useful for the determination of lactate in clinical analysis and continuous lactate monitoring sensor.

TOP