T7927
L-Tyrosine Decarboxylase Apoenzyme from Streptococcus faecalis
<0.005 unit/mg solid (without pyridoxal 5-phosphate), ≥0.05 unit/mg solid (with excess pyridoxal 5-phosphate)
Synonym(s):
L-(−)-Tyrosine Apodecarboxylase, L-Tyrosine Carboxy-lase apoenzyme, TAD
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About This Item
CAS Number:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-652-9
MDL number:
Specific activity:
≥0.05 unit/mg solid (with excess pyridoxal 5-phosphate), <0.005 unit/mg solid (without pyridoxal 5-phosphate)
Biological source:
Streptococcus faecalis
biological source
Streptococcus faecalis
Quality Segment
form
powder
specific activity
≥0.05 unit/mg solid (with excess pyridoxal 5-phosphate), <0.005 unit/mg solid (without pyridoxal 5-phosphate)
storage temp.
−20°C
Application
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
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
Dried cells grown on vitamin B6-deficient medium.
One unit will liberate 1.0 μmole of CO2 from L-tyrosine per min at pH 5.5 at 37 °C.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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QC Methods
Global Trade Item Number
| SKU | GTIN |
|---|---|
| T7927-50UN | 04061833632482 |
| T7927-250UN | 04061833632468 |
| T7927-25UN | 04061833632475 |