methionine racemase

{{infobox enzyme

| Name = methionine racemase

| EC_number = 5.1.1.2

| CAS_number = 9024-07-1

| GO_code = 0018111

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In enzymology, a methionine racemase ({{EnzExplorer|5.1.1.2}}) is an enzyme that catalyzes the chemical reaction

:L-methionine $\rightleftharpoons$ D-methionine

Hence, this enzyme has one substrate, L-methionine, and one product, D-methionine.

This enzyme belongs to the family of isomerases, specifically those racemases and epimerases acting on amino acids and derivatives. The systematic name of this enzyme class is methionine racemase. It employs one cofactor, pyridoxal phosphate.

References

{{cite book | veditors = McElroy WD, Glass HB | title = A Symposium on Amino Acid Metabolism | location = Baltimore | date = 1955 | pages = 616–634 }}
{{cite book | vauthors = Adams E | chapter = 13 Amino Acid Racemases and Epimerases | veditors = Boyer PD | title = The Enzymes | date = January 1972 | volume = 6 | pages = 479–507 | publisher = Academic Press | doi = 10.1016/S1874-6047(08)60048-7 | isbn = 9780121227067 }}