##gff-version 3 Q6Z4P2 UniProtKB Chain 1 467 . . . ID=PRO_0000419908;Note=Probable apyrase 2 Q6Z4P2 UniProtKB Topological domain 1 25 . . . Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q6Z4P2 UniProtKB Transmembrane 26 46 . . . Note=Helical%3B Signal-anchor for type II membrane protein;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q6Z4P2 UniProtKB Topological domain 47 467 . . . Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q6Z4P2 UniProtKB Active site 192 192 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q6Z4P2 UniProtKB Binding site 70 80 . . . Ontology_term=ECO:0000305;evidence=ECO:0000305 Q6Z4P2 UniProtKB Binding site 216 226 . . . Ontology_term=ECO:0000305;evidence=ECO:0000305