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Native Escherichia coli Apotryptophanase
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
Download
Download Datasheet| 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 |