UniProt ID: Q5EI65 |
CATALYTIC ACTIVITY: Reaction=L-homocysteine + L-serine = H2O + L,L-cystathionine; Xref=Rhea:RHEA:10112, ChEBI:CHEBI:15377, ChEBI:CHEBI:33384, ChEBI:CHEBI:58161, ChEBI:CHEBI:58199; EC=4.2.1.22; Evidence={ECO:0000256|ARBA:ARBA00001175, ECO:0000256|RuleBase:RU361204}; COFACTOR: Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326; Evidence={ECO:0000256|ARBA:ARBA00001933, ECO:0000256|RuleBase:RU361204}; PATHWAY: Amino-acid biosynthesis; L-cysteine biosynthesis; L-cysteine from L-homocysteine and L-serine: step 1/2. {ECO:0000256|ARBA:ARBA00005003}. SIMILARITY: Belongs to the cysteine synthase/cystathionine beta- synthase family. {ECO:0000256|ARBA:ARBA00007103, ECO:0000256|RuleBase:RU361204}. |
This information was provided by UniProt through a collaboration with ZFIN. (1) |