>1KRX_1|Chain A|NITROGEN REGULATION PROTEIN NR(I)|Salmonella typhimurium (90371) MQRGIVWVVDDDSSIRWVLERALAGAGLTCTTFENGNEVLAALASKTPDVLLSDIRMPGMDGLALLKQIKQRHPMLPVIIMTAHSDLDAAVSAYQQGAFDYLPKPFDIDEAVALVERAISHYQE