##gff-version 3 Q2K874 UniProtKB Transmembrane 313 332 . . . Note=Helical;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:Phobius Q2K874 UniProtKB Transmembrane 339 359 . . . Note=Helical;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:Phobius Q2K874 UniProtKB Transmembrane 365 386 . . . Note=Helical;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:Phobius Q2K874 UniProtKB Domain 429 561 . . . Note=Guanylate cyclase;Ontology_term=ECO:0000259;evidence=ECO:0000259|PROSITE:PS50125