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Information on EC 4.4.1.11 - methionine gamma-lyase

for references in articles please use BRENDA:EC4.4.1.11
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IUBMB Comments
A pyridoxal-phosphate protein. The enzyme cleaves a carbon-sulfur bond, releasing methanethiol 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. The enzyme is involved in L-methionine catabolism.
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
mgl, rmetase, metase, methioninase, l-methioninase, l-methionine gamma-lyase, methionine-gamma-lyase, methionine alpha,gamma-lyase, l-methionine-alpha-deamino-gamma-mercaptomethane-lyase, l-methionase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
L-methionine + H2O = methanethiol + NH3 + 2-oxobutanoate
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