##gff-version 3 O43674 UniProtKB Transit peptide 1 46 . . . Note=Mitochondrion;Ontology_term=ECO:0000250;evidence=ECO:0000250 O43674 UniProtKB Chain 47 189 . . . ID=PRO_0000020052;Note=NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5%2C mitochondrial O43674 UniProtKB Transmembrane 73 93 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 O43674 UniProtKB Alternative sequence 42 93 . . . ID=VSP_042516;Note=In isoform 2. Missing;Ontology_term=ECO:0000303;evidence=ECO:0000303|PubMed:15489334;Dbxref=PMID:15489334 O43674 UniProtKB Natural variant 133 133 . . . ID=VAR_050590;Note=Y->H;Dbxref=dbSNP:rs4147793