The Enzyme Database

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Accepted name: cystathionine β-synthase (O-acetyl-L-serine)
Reaction: O-acetyl-L-serine + L-homocysteine = L-cystathionine + acetate
For diagram of O3-Acetyl-L-serine metabolism, click here
Other name(s): MccB; O-acetylserine dependent cystathionine β-synthase
Systematic name: O-acetyl-L-serine:L-homocysteine 2-amino-2-carboxyethyltransferase
Comments: A pyridoxal 5′-phosphate protein. The enzyme, purified from the bacterium Bacillus subtilis, also has a low activity with L-serine (cf. EC, cystathionine β-synthase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Hullo, M.F., Auger, S., Soutourina, O., Barzu, O., Yvon, M., Danchin, A. and Martin-Verstraete, I. Conversion of methionine to cysteine in Bacillus subtilis and its regulation. J. Bacteriol. 189 (2007) 187–197. [DOI] [PMID: 17056751]
[EC created 2016]

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