##gff-version 3 Q8NGT9 UniProtKB Chain 1 310 . . . ID=PRO_0000150459;Note=Olfactory receptor 2A1/2A42 Q8NGT9 UniProtKB Topological domain 1 24 . . . Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Transmembrane 25 48 . . . Note=Helical%3B Name%3D1;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Topological domain 49 56 . . . Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Transmembrane 57 78 . . . Note=Helical%3B Name%3D2;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Topological domain 79 99 . . . Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Transmembrane 100 119 . . . Note=Helical%3B Name%3D3;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Topological domain 120 138 . . . Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Transmembrane 139 157 . . . Note=Helical%3B Name%3D4;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Topological domain 158 195 . . . Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Transmembrane 196 218 . . . Note=Helical%3B Name%3D5;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Topological domain 219 235 . . . Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Transmembrane 236 258 . . . Note=Helical%3B Name%3D6;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Topological domain 259 271 . . . Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Transmembrane 272 291 . . . Note=Helical%3B Name%3D7;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Topological domain 292 310 . . . Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Glycosylation 4 4 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q8NGT9 UniProtKB Disulfide bond 96 188 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00521