##gff-version 3 Q28892 UniProtKB Chain 1 254 . . . ID=PRO_0000213677;Note=3-oxo-5-alpha-steroid 4-dehydrogenase 2 Q28892 UniProtKB Transmembrane 8 28 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q28892 UniProtKB Transmembrane 72 92 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q28892 UniProtKB Transmembrane 146 166 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q28892 UniProtKB Transmembrane 206 226 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255