<http://purl.obolibrary.org/obo/GO_0051009> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/GO_0003961> . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/GO_0016835> . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.w3.org/2004/02/skos/core#notation> "GO:0051009" . <http://purl.obolibrary.org/obo/GO_0051009> <http://purl.obolibrary.org/obo/IAO_0000115> "Catalysis of the reaction: O-acetyl-L-homoserine + hydrogen sulfide = homocysteine + acetate." . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> "homocysteine synthase" . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.w3.org/2000/01/rdf-schema#label> "O-acetylhomoserine sulfhydrylase activity" . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.geneontology.org/formats/oboInOwl#hasDbXref> "MetaCyc:ACETYLHOMOSER-CYS-RXN" . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.geneontology.org/formats/oboInOwl#hasDbXref> "RHEA:27822" . <http://purl.obolibrary.org/obo/GO_0051009> <http://data.bioontology.org/metadata/def/prefLabel> "O-acetylhomoserine sulfhydrylase activity" . <http://purl.obolibrary.org/obo/GO_0051009> <http://data.bioontology.org/metadata/def/mappingLoom> "oacetylhomoserinesulfhydrylaseactivity" . <http://purl.obolibrary.org/obo/GO_0051009> <http://data.bioontology.org/metadata/def/mappingSameURI> <http://purl.obolibrary.org/obo/GO_0051009> . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.geneontology.org/formats/oboInOwl#hasOBONamespace> "molecular_function" . <http://purl.obolibrary.org/obo/GO_0051009> <http://www.geneontology.org/formats/oboInOwl#id> "GO:0051009" . <http://purl.obolibrary.org/obo/GO_0051009> <http://purl.obolibrary.org/obo/IAO_0000233> "https://github.com/geneontology/go-ontology/issues/28681"^^<http://www.w3.org/2001/XMLSchema#anyURI> . <http://purl.obolibrary.org/obo/GO_0051009> <http://data.bioontology.org/metadata/def/mappingSameURI> <http://purl.obolibrary.org/obo/GO_0051009> .