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apotryptophanase from escherichia coli

APOTRYPTOPHANASE FROM ESCHERICHIA COLI

Catalog No.
C005B-088941
Manufacturer No.
A6007-25MG
Manufacturer Name
Sigma-Aldrich
Quantity
25
Unit of Measure
MG

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Application Apotryptophanase is used for the quantitative determination of pyridoxal-phosphate. Apotryptophanase, from Sigma, has been used to study pregnancy-associated PLP deficiency and vitamin B-6 deficiency .

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Application

Apotryptophanase is used for the quantitative determination of pyridoxal-phosphate. Apotryptophanase, from Sigma, has been used to study pregnancy-associated PLP deficiency and vitamin B-6 deficiency .

Biochem/physiol Actions

Apotryptophanase hydrolizes tryptophan and is capable of catalyzing α,β-elimination reactions with a number of substituted amino acids, including S-methyl-, S-ethyl- and S-benzyl- L-cysteine. DTNB inactivates tryptophanase .

Unit Definition

One unit releases one μg of indole from L-tryptophan in 10 min at pH 8.3 at 37 °C in the presence of 0.04 mM pyridoxal-5′--phosphate.

biological source: Escherichia coli. Quality Level: 200. form: soluble powder. specific activity: 75-150 . units/mg solid. storage temp.: −. 20°C. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable. Personal Protective Equipment: Eyeshields, Gloves, type N95 (US).
UPC:
51101907
Condition:
New
HazmatClass:
No
MPN:
A6007-25MG
CAS:
9024-00-4

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