ID   2.5.1.134
DE   cystathionine beta-synthase (O-acetyl-L-serine).
AN   O-acetylserine dependent cystathionine beta-synthase.
CA   L-homocysteine + O-acetyl-L-serine = acetate + H(+) + L,L-cystathionine.
CC   -!- The enzyme, purified from the bacterium Bacillus subtilis, also has a
CC       low activity with L-serine (cf. EC 4.2.1.22).
DR   O05393, MCCA_BACSU ;
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