ACT_SITE 379; /note="Nucleophile; for glutamine hydrolysis"; /evidence="ECO:0000305|PubMed:11336655, ECO:0000305|PubMed:15157079"; ACT_SITE 515; /evidence="ECO:0000305|PubMed:15157079"; ACT_SITE 517; /evidence="ECO:0000305|PubMed:15157079"