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Native Escherichia coli Apotryptophanase

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Cat No.

NATE-0706

Description

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.

Abbr

TNase, Native (Escherichia coli)

Alias

TNase

Source

Escherichia coli

Applications

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

Form

soluble powder.

Enzyme Commission Number

EC 4.1.99.1

Activity

75-150 units/mg solid

CAS No.

9024-00-4

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.

Storage

−20°C

Synonyms

L-tryptophanase; L-tryptophan indole-lyase (deaminating); TNase; EC 4.1.99.1; 9024-00-4

"TNase" Total Products Page

Enzymes

Catalog	Product Name	EC No.	CAS No.	Source	Price
NATE-1851	Tryptophanase (Crude Enzyme)	EC 4.1.99.1	9024-00-4	E. coli	Inquiry
EXWM-4925	tryptophanase	EC 4.1.99.1	9024-00-4		Inquiry