cystathionine γ-lyase

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Cat No.

EXWM-5312

Description

A multifunctional pyridoxal-phosphate protein. The enzyme cleaves a carbon-sulfur bond, releasing L-cysteine and an unstable enamine product that tautomerizes to an imine form, which undergoes a hydrolytic deamination to form 2-oxobutanoate and ammonia. The latter reaction, which can occur spontaneously, can also be catalysed by EC 3.5.99.10, 2-iminobutanoate/2-iminopropanoate deaminase. Also catalyses the conversion of L-homoserine to 2-oxobutanoate and ammonia, of L-cystine to thiocysteine, pyruvate and ammonia, and of L-cysteine to pyruvate, hydrogen sulfide and ammonia.

Form

Liquid or lyophilized powder

Enzyme Commission Number

EC 4.4.1.1

CAS_No

9012-96-8

Storage

Store it at +4 ºC for short term. For long term storage, store it at -20 ºC～-80 ºC.

Synonyms

homoserine deaminase; homoserine dehydratase; cystine desulfhydrase; cysteine desulfhydrase; γ-cystathionase; cystathionase; homoserine deaminase-cystathionase; γ-CTL; cystalysin; cysteine lyase; L-cystathionine cysteine-lyase (deaminating); CGL

Reaction

L-cystathionine + H2O = L-cysteine + 2-oxobutanoate + NH3 (overall reaction); (1a) L-cystathionine = L-cysteine + 2-aminobut-2-enoate; (1b) 2-aminobut-2-enoate = 2-iminobutanoate (spontaneous); (1c) 2-iminobutanoate + H2O = 2-oxobutanoate + NH3 (spontaneous)

Notes

This item requires custom production and lead time is between 5-9 weeks. We can custom produce according to your specifications.

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Enzymes

Catalog	Product Name	EC No.	CAS No.	Source	Price
NATE-1144	Cystathionine gamma-lyase, Recombinant	EC 4.4.1.1	9012-96-8		Inquiry

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Our Products Cannot Be Used As Medicines Directly For Personal Use.