##gff-version 3 P31411 UniProtKB Chain 1 503 . . . ID=PRO_0000144647;Note=V-type proton ATPase subunit B P31411 UniProtKB Binding site 378 378 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P21281 P31411 UniProtKB Modified residue 491 491 . . . Note=Phosphoserine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:18257517;Dbxref=PMID:18257517 P31411 UniProtKB Modified residue 492 492 . . . Note=Phosphoserine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:18257517;Dbxref=PMID:18257517 P31411 UniProtKB Modified residue 502 502 . . . Note=Phosphoserine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:18257517;Dbxref=PMID:18257517 P31411 UniProtKB Modified residue 503 503 . . . Note=Phosphoserine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:18257517;Dbxref=PMID:18257517