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cystathionine beta-synthase activity

Term Information

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Accession
GO:0004122
Name
cystathionine beta-synthase activity
Ontology
molecular_function
Synonyms
L-serine hydro-lyase (adding homocysteine), L-serine hydro-lyase (adding homocysteine; L-cystathionine-forming), beta-thionase activity, methylcysteine synthase activity, serine sulfhydrase activity, serine sulfhydrylase activity
Alternate IDs
None
Definition
Catalysis of the reaction: L-serine + L-homocysteine = cystathionine + H2O. Source: EC:4.2.1.22
Comment
None
History
See term history for GO:0004122 at QuickGO
Chem. react.
has participant L-cystathionine dizwitterion
has participant water
has participant L-serine zwitterion
has participant L-homocysteine zwitterion
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Graph of GO:0004122 from QuickGO

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Parents of cystathionine beta-synthase activity (GO:0004122)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
cystathionine beta-synthase activity [RO:0000057 relation] RO:0000057  L-cystathionine dizwitterion (CHEBI:58161)
cystathionine beta-synthase activity [RO:0000057 relation] RO:0000057  water (CHEBI:15377)
cystathionine beta-synthase activity [is_a relation] is_a  hydro-lyase activity (GO:0016836)
cystathionine beta-synthase activity [RO:0000057 relation] RO:0000057  L-serine zwitterion (CHEBI:33384)
cystathionine beta-synthase activity [RO:0000057 relation] RO:0000057  L-homocysteine zwitterion (CHEBI:58199)
Children of cystathionine beta-synthase activity (GO:0004122)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
regulation of cystathionine beta-synthase activity (GO:1904041) [RO:0002211 relation] RO:0002211  cystathionine beta-synthase activity
positive regulation of cystathionine beta-synthase activity (GO:1904043) [RO:0002213 relation] RO:0002213  cystathionine beta-synthase activity
negative regulation of cystathionine beta-synthase activity (GO:1904042) [RO:0002212 relation] RO:0002212  cystathionine beta-synthase activity