Apotryptophanase from Escherichia coli

产品说明

应用

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 .

包装

25 mg in poly bottle

生化/生理作用

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 .

单位定义

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

基本信息

产品性质

安全信息