##gff-version 3 Q09179 UniProtKB Chain 1 359 . . . ID=PRO_0000153162;Note=Glutamine synthetase Q09179 UniProtKB Domain 28 107 . . . Note=GS beta-grasp;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01330 Q09179 UniProtKB Domain 114 359 . . . Note=GS catalytic;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU01331 Q09179 UniProtKB Modified residue 273 273 . . . Note=Phosphoserine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:18257517;Dbxref=PMID:18257517 Q09179 UniProtKB Modified residue 303 303 . . . Note=Phosphothreonine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:18257517;Dbxref=PMID:18257517 Q09179 UniProtKB Modified residue 305 305 . . . Note=Phosphoserine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:18257517;Dbxref=PMID:18257517