中文名称：   

胱硫醚裂解酶

英文名称：   

Cystathionine beta-lyase

CAS：   

9055-05-4

酶活：   

≥ 45U/mg protein

活性：   

One unit will hydrolyze one   micromole of cystathionine per min at pH 8.0 at 37℃.

Catalog No.:

DL500490

Appearance:

Yellowish amorphous powder

Source:

Microorganism

Enzyme Commission Number:

EC 4.4.1.8

CAS Number:

9055-05-4

Storage temperature:

-20℃

Specific activity:

≥ 45U/mg protein

Unit definition:

One unit will hydrolyze one   micromole of cystathionine per min at pH 8.0 at 37℃.

Molecular weight:

43kD (SDS-PAGE)

Isoelectric point:

6.2

Michaelis constant:

1.0×10^-3 M (L-Cystathionine)

Optimum pH:

8.0-8.5

Optimum temperature:

37℃

pH Stability:

5.5~9.5 (25℃, 16hr)

Thermal stability:

< 45℃ (pH 7.5, 30min)

Inhibitors:

Co²⁺ ,Cu²⁺ ,Fe³⁺ ,Mn²⁺ ,Ni²⁺ ,Zn²⁺ ,NEM,SDS