##gff-version 3 Q17938 UniProtKB Chain 1 428 . . . ID=PRO_0000421680;Note=Cholesterol 7-desaturase Q17938 UniProtKB Transmembrane 6 26 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q17938 UniProtKB Domain 81 187 . . . Note=Rieske;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00628 Q17938 UniProtKB Binding site 122 122 . . . Ontology_term=ECO:0000305;evidence=ECO:0000305 Q17938 UniProtKB Binding site 124 124 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00628 Q17938 UniProtKB Binding site 143 143 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00628 Q17938 UniProtKB Binding site 146 146 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00628 Q17938 UniProtKB Mutagenesis 122 122 . . . Note=Abrogates cholesterol dehydrogenase activity. C->A;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:21632547;Dbxref=PMID:21632547 Q17938 UniProtKB Mutagenesis 234 234 . . . Note=Abrogates cholesterol dehydrogenase activity. D->A;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:21632547;Dbxref=PMID:21632547