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Gene ontology
Version 2014-12-22
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Details for homocysteine desulfhydrase activity
4.4.1.2
Gene ontology ID
GO:0047982
Definition
Catalysis of the reaction: L-homocysteine + H2O = sulfide + NH3 + 2-oxobutanoate
Synonyms
1. homocysteine desulfurase activity
2. L-homocysteine hydrogen-sulfide-lyase (deaminating)
3. L-homocysteine hydrogen-sulfide-lyase (deaminating; 2-oxobutanoate-forming)
References
1. EC 4.4.1.2
2. MetaCyc HOMOCYSTEINE-DESULFHYDRASE-RXN
3. Reactome: R-HSA-1614631 "Homocysteine is degraded to oxobutanoate and H2S"
4. RHEA: 14501
Legend
is an element of the parent element
is a part of the parent element
is related to the parent element
derives from the parent element
// at least 1 tissue/ enzyme/ localization link in this branch
// tissue/ enzyme/ localization link to BRENDA
Condensed Tree View
Gene ontology
molecular_function is a
catalytic activity is a
lyase activity is a
carbon-sulfur lyase activity is a
homocysteine desulfhydrase activity is a
Tree view
Gene ontology
biological_process is a
cellular_component is a
molecular_function is a
binding is a
catalytic activity is a
catalytic activity, acting on a protein is a
catalytic activity, acting on DNA is a
catalytic activity, acting on RNA is a
cyclase activity is a
hydrolase activity is a
isomerase activity is a
ligase activity is a
lyase activity is a
2-amino-5-formylamino-6-(5-phosphoribosylamino)pyrimidin-4(3H)-one formate-lyase activity is a
alkylmercury lyase activity is a
carbon phosphorus lyase activity is a
carbon-carbon lyase activity is a
carbon-halide lyase activity is a
carbon-nitrogen lyase activity is a
carbon-oxygen lyase activity is a
carbon-sulfur lyase activity is a
2-hydroxypropyl-CoM lyase activity is a
2-mercaptobenzothiazole desulfurase activity is a
alliin lyase activity is a
cystathionine beta-lyase activity is a
cystathionine gamma-lyase activity is a
cysteine lyase activity is a
cysteine sulfinate desulfinase activity is a
cysteine-S-conjugate beta-lyase activity is a
D-cysteine desulfhydrase activity is a
dimethylpropiothetin dethiomethylase activity is a
eoxin C4 synthase activity is a
hercynylselenocysteine lyase activity (selenoneine-forming) is a
holocytochrome-c synthase activity is a
homocysteine desulfhydrase activity is a
L-3-cyanoalanine synthase activity is a
L-cysteate sulfo-lyase activity is a
L-cysteine desulfhydrase activity is a
L-cystine L-cysteine-lyase (deaminating) is a
lactoylglutathione lyase activity is a
leukotriene-C4 synthase activity is a
methionine gamma-lyase activity is a
methylselenocysteine deselenhydrase activity is a
phosphosulfolactate synthase activity is a
S-(hydroxymethyl)glutathione synthase activity is a
S-alkylcysteine lyase activity is a
S-alkylthiohydroximate lyase activity is a
S-ribosylhomocysteine lyase activity is a
selenocystathionine gamma-lyase activity is a
selenocysteine lyase activity is a
selenomethionine gamma-lyase activity is a
sulfoacetaldehyde lyase activity is a
sulfolactate sulfo-lyase activity is a
cobalt-precorrin-5A acetaldehyde-lyase activity is a
ferrochelatase activity is a
indoleacetaldoxime dehydratase activity is a
phosphorus-oxygen lyase activity is a
sirohydrochlorin cobaltochelatase activity is a
peptidoglycan muralytic activity is a
transferase activity is a
molecular transducer activity is a
nutrient reservoir activity is a
protein tag is a
small molecule sensor activity is a
structural molecule activity is a
transcription regulator activity is a
transporter activity is a