2.5.1.134: cystathionine beta-synthase (O-acetyl-L-serine) This is an abbreviated version! For detailed information about cystathionine beta-synthase (O-acetyl-L-serine), go to the full flat file .
Reaction
O-acetyl-L-serine +
L-homocysteine =
L-cystathionine +
acetate
Synonyms cystathionine gamma-lyase, MCCB, O-acetylserine dependent cystathionine beta-synthase, YrhB
ECTree
Systematic Name
Systematic Name on EC 2.5.1.134 - cystathionine beta-synthase (O-acetyl-L-serine)
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O-acetyl-L-serine:L-homocysteine 2-amino-2-carboxyethyltransferase
A pyridoxal 5'-phosphate protein. The enzyme, purified from the bacterium Bacillus subtilis, also has a low activity with L-serine (cf. EC 4.2.1.22, cystathionine beta-synthase).