##gff-version 3 Q9CXV1 UniProtKB Transit peptide 1 56 . . . Note=Mitochondrion;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q9CXV1 UniProtKB Chain 57 159 . . . ID=PRO_0000006488;Note=Succinate dehydrogenase [ubiquinone] cytochrome b small subunit%2C mitochondrial Q9CXV1 UniProtKB Topological domain 57 63 . . . Note=Mitochondrial matrix;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9CXV1 UniProtKB Transmembrane 64 85 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9CXV1 UniProtKB Topological domain 86 90 . . . Note=Mitochondrial intermembrane;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9CXV1 UniProtKB Transmembrane 91 111 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9CXV1 UniProtKB Topological domain 112 120 . . . Note=Mitochondrial matrix;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9CXV1 UniProtKB Transmembrane 121 142 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9CXV1 UniProtKB Topological domain 143 159 . . . Note=Mitochondrial intermembrane;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q9CXV1 UniProtKB Binding site 102 102 . . . Note=Axial binding residue;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:A5GZW8 Q9CXV1 UniProtKB Binding site 114 114 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250