>sp|Q52977|NTRB_RHIME Sensory histidine kinase/phosphatase NtrB OS=Rhizobium meliloti GN=ntrB MTEKATAPGEGANDLSMAVLNAIQNPVILVDENGFVAFANWEAESFFGASANHLARHDIS AFIPFGSPLLTLIEQVRERRAAVNEYRVDLSSPRLGADKLVDLYVAPVLSQPGSVVIVFQ ERSMADKIDRQLTHRAAARSVTGLASMLAHEIKNPLSGIRGAAQLLETSVNDEDRSLTRL ICDETDRIVSLVDRMEVFSDERPVDRLPLNIHAVLDHVKAIAKAGFARRIKISEHYDPSL PPVFANRDQLVQVFLNLIKNAAEAIGDRADGEILLTTAYRPGIRLSVAGTREKISLPLEF CVHDNGPGVPPDLLPHLFDPFITTKTNGSGLGLALVAKIIGGHGGIVECDSQHSRTTFRV LMPASKGLAADEETPMTKGTNG