##gff-version 3 Q21WU9 UniProtKB Transmembrane 198 219 . . . Note=Helical;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:Phobius Q21WU9 UniProtKB Domain 220 272 . . . Note=HAMP;Ontology_term=ECO:0000259;evidence=ECO:0000259|PROSITE:PS50885 Q21WU9 UniProtKB Domain 277 506 . . . Note=Methyl-accepting transducer;Ontology_term=ECO:0000259;evidence=ECO:0000259|PROSITE:PS50111