##gff-version 3 P06481 UniProtKB Chain 1 90 . . . ID=PRO_0000116132;Note=Envelope protein US9 P06481 UniProtKB Topological domain 1 67 . . . Note=Intravirion;Ontology_term=ECO:0000250;evidence=ECO:0000250 P06481 UniProtKB Transmembrane 68 88 . . . Note=Helical%3B Signal-anchor for type II membrane protein;Ontology_term=ECO:0000250;evidence=ECO:0000250 P06481 UniProtKB Topological domain 89 90 . . . Note=Virion surface;Ontology_term=ECO:0000250;evidence=ECO:0000250 P06481 UniProtKB Region 30 39 . . . Note=Acidic P06481 UniProtKB Motif 21 24 . . . Note=Internalization motif;Ontology_term=ECO:0000255;evidence=ECO:0000255 P06481 UniProtKB Modified residue 34 34 . . . Note=Phosphoserine%3B by host CK2;Ontology_term=ECO:0000255;evidence=ECO:0000255 P06481 UniProtKB Modified residue 36 36 . . . Note=Phosphoserine%3B by host CK2;Ontology_term=ECO:0000255;evidence=ECO:0000255 P06481 UniProtKB Natural variant 29 29 . . . Note=In strain: Nonneuroinvasive mutant HF10. V->A