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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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Size/SKUAvailabilityPrice
25 units
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$362.00
$307.70
50 units
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$625.00
250 units
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$2,210.00

About This Item

CAS Number:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-652-9
MDL number:
EC 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

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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.

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This Item
T7677SAB4200868SML3100
description

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

description

≥0.1 unit/mg solid

description

IgG fraction of antiserum

description

≥98% (HPLC)

specific activity

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

specific activity

≥0.1 unit/mg solid

specific activity

-

specific activity

-

form

powder

form

powder

form

liquid

form

powder

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

2-8°C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

biological source

Streptococcus faecalis

biological source

-

biological source

-

biological source

-


Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)



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