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L-Tyrosine Decarboxylase Apoenzyme from Streptococcus faecalis

产品编号：

3103800

规格：	<0.005 unit/mg solid (without pyridoxal 5-phosphate), ≥0.05 unit/mg solid (with excess pyridoxal 5-phosphate)

CAS NO：

包装规格：

25 UNITS，50 UNITS，250 UNITS

产品类别：

进口试剂

品牌：	Sigma-Aldrich

优惠价：

产品别名

9002-09-9

L-Tyrosine Decarboxylase Apoenzyme from Streptococcus faecalis

TAD

L-Tyrosine Carboxy-lase apoenzyme

L-(-)-Tyrosine Apodecarboxylase

基本信息

Enzyme Commission (EC) Number【酶学委员会(EC)编号】	4.1.1.25 ( BRENDA \| IUBMB )
EC number【EC 号】	232-652-9
MDL number	MFCD00131472
NACRES	NA.54
Application【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
Biochem/physiol Actions【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.
Other Notes【其他说明】	Dried cells grown on vitamin B₆-deficient medium.
Unit Definition【单位定义】	One unit will liberate 1.0 μmole of CO₂ from L-tyrosine per min at pH 5.5 at 37 ℃.

产品性质

form【形式】	powder
Quality Level【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)
storage temp.【储存温度】	−20℃
packaging【包装】	250 units in poly bottle 25, 50 units in glass bottle

安全信息

Storage Class Code【储存分类代码】	11 - Combustible Solids
WGK	WGK 3
Personal Protective Equipment【个人防护装备】	Eyeshields, Gloves, type N95 (US)

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