##gff-version 3 P54873 UniProtKB Chain 1 461 . . . ID=PRO_0000213756;Note=Hydroxymethylglutaryl-CoA synthase P54873 UniProtKB Active site 83 83 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10116 P54873 UniProtKB Active site 117 117 . . . Note=Acyl-thioester intermediate;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10116 P54873 UniProtKB Active site 247 247 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10116 P54873 UniProtKB Alternative sequence 1 55 . . . ID=VSP_008902;Note=In isoform 2. Missing;Ontology_term=ECO:0000303;evidence=ECO:0000303|PubMed:14593172;Dbxref=PMID:14593172 P54873 UniProtKB Sequence conflict 306 306 . . . Note=A->S;Ontology_term=ECO:0000305;evidence=ECO:0000305 P54873 UniProtKB Sequence conflict 342 342 . . . Note=K->N;Ontology_term=ECO:0000305;evidence=ECO:0000305