<sc>L</sc>-Tyrosine Decarboxylase Apoenzyme from <i>Streptococcus faecalis</i>

产品介绍：

产品说明

应用

L-Tyrosine decarboxylase apoenzyme from Streptococcus faecalis has been used:

in a study to purify and characterize tyrosine decarboxylase and aromatic-L-amino-acid decarboxylase
in a study to investigate the stereospecificity of sodium borohydride reduction of tyrosine decarboxylase
in protein synthesis studies

包装

250 units in poly bottle
25, 50 units in glass bottle

生化/生理作用

L-Tyrosine Decarboxylase Apoenzyme is an aromatic L-amino acid decarboxylase. The enzyme activity of tyrosine decarboxylase (TDC) is dependent on the cofactor pyridoxal 5-phosphate (PLP). It catalyzes the decarboxylation of dihydroxyphenylalanine.

其他说明

Dried cells grown on vitamin B₆-deficient medium.

单位定义

One unit will liberate 1.0 μmole of CO₂ from L-tyrosine per min at pH 5.5 at 37 ℃.

基本信息

酶学委员会(EC)编号	4.1.1.25 ( BRENDA \| IUBMB )
EC 号	232-652-9
MDL编号	MFCD00131472
NACRES	NA.54

产品性质

形式	powder
质量水平	200
specific activity	≥0.05 unit/mg solid (with excess pyridoxal 5-phosphate) <0.005 unit/mg solid (without pyridoxal 5-phosphate)
储存温度	−20℃

安全信息

储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	Eyeshields, Gloves, type N95 (US)

L-Tyrosine Decarboxylase Apoenzyme from Streptococcus faecalis