##gff-version 3 Q4J9K4 UniProtKB Chain 1 623 . . . ID=PRO_0000439510;Note=Serine/threonine-protein kinase ArnS Q4J9K4 UniProtKB Transmembrane 13 33 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q4J9K4 UniProtKB Transmembrane 49 69 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q4J9K4 UniProtKB Domain 317 623 . . . Note=Protein kinase;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 Q4J9K4 UniProtKB Active site 460 460 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 Q4J9K4 UniProtKB Binding site 323 331 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 Q4J9K4 UniProtKB Binding site 344 344 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 Q4J9K4 UniProtKB Mutagenesis 344 344 . . . Note=Abolishes autophosphorylation. K->A;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:27731916;Dbxref=PMID:27731916