产品介绍
Product Description
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 .
Other Notes
One unit releases one μg of indole from
技术参数
Specifications
| biological source | Escherichia coli |
| Quality Level | 200 |
| form | soluble powder |
| specific activity | 75-150 units/mg solid |
| storage temp. | −20°C |
