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Enzymes for Research, Diagnostic and Industrial Use

cystathionine β-lyase

Cat No.
EXWM-5341
Description
A pyridoxal-phosphate protein. The enzyme cleaves a carbon-sulfur bond, releasing L-homocysteine and an unstable enamine product that tautomerizes to an imine form, which undergoes a hydrolytic deamination to form pyruvate and ammonia. The latter reaction, which can occur spontaneously, can also be catalysed by EC 3.5.99.10, 2-iminobutanoate/2-iminopropanoate deaminase. The enzyme from some sources also acts on L-cystine, forming pyruvate, ammonia and cysteine persulfide, and a number of related compounds. Possibly identical, in yeast, with EC 4.4.1.6 S-alkylcysteine lyase.
Form
Liquid or lyophilized powder
Enzyme Commission Number
CAS_No
9055-05-4
Storage
Store it at +4 ºC for short term. For long term storage, store it at -20 ºC~-80 ºC.
Synonyms
β-cystathionase; cystine lyase; cystathionine L-homocysteine-lyase (deaminating); L-cystathionine L-homocysteine-lyase (deaminating); CBL
Reaction
L-cystathionine + H2O = L-homocysteine + pyruvate + NH3 (overall reaction); (1a) L-cystathionine = L-homocysteine + 2-aminoprop-2-enoate; (1b) 2-aminoprop-2-enoate = 2-iminopropanoate (spontaneous); (1c) 2-iminopropanoate + H2O = pyruvate + NH3 (spontaneous)
Notes
This item requires custom production and lead time is between 5-9 weeks. We can custom produce according to your specifications.

"Cystathionine β-lyase" Total Products Page

Catalog Product Name EC No. CAS No. Source Price
NATE-1146 Cystathionine β-lyase, Recombinant EC 4.4.1.8 9055-05-4 Inquiry

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