中文名称：   

L-乳酸脱氢酶

英文名称：   

L-Lactate Dehydrogenase

CAS：   

9001-60-9

酶活：   

≥ 300U/mg protein

活性：   

One unit will convert one   micromole of pyruvate to L-lactate per min at pH 7.4 at 25℃.   

Catalog   No.:

DL500162

Appearance:

White amorphous powder

Source:

Microorganism

Enzyme Commission Number:

EC 1.1.1.27

CAS Number:

9001-60-9

Storage temperature:

-20℃

Specific activity:

≥ 300U/mg protein

Unit definition:

One unit will convert one   micromole of pyruvate to L-lactate per min at pH 7.4 at 25℃.

Molecular weight:

38 kDa (SDS-PAGE)

Isoelectric point:

6.2

Michaelis constant:

1.3×10^-4 M(Pyruvate)

4.0×10^-6 M(NADH)

Optimum pH:

6.5

Optimum temperature:

45℃

pH Stability:

4.5~10.0 (37℃,1hr)

Thermal stability:

< 50℃ (pH 7.4, 15min)

Inhibitors:

Co²⁺ ,Cu²⁺ ,Fe³⁺ ,Ni²⁺ ,Zn²⁺ ,NEM,SDS,Proclin