##gff-version 3 Q21SU6 UniProtKB Transmembrane 272 299 . . . Note=Helical;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:Phobius Q21SU6 UniProtKB Domain 296 350 . . . Note=HAMP;Ontology_term=ECO:0000259;evidence=ECO:0000259|PROSITE:PS50885 Q21SU6 UniProtKB Domain 355 584 . . . Note=Methyl-accepting transducer;Ontology_term=ECO:0000259;evidence=ECO:0000259|PROSITE:PS50111