>4KP4_1|Chains A, B|Osmolarity sensor protein EnvZ, Histidine kinase|Escherichia coli (83333) MAAGVKQLADDRTLLMAGVSHDLRTPLTRIRAYAETIYNSLGELDLSTLKELAESINKDIEECNAIIEQFIDYLRTGQEMPMEMADLNAVLGEVIAAESGYEREIETALYPGSIEVKMHPLSIKRAVANMVVNAARYGNGWIKVSSGTEPNRAWFQVEDDGPGIAPEQRKHLFQPFVRGDSARTISGTGLGLAIVQRIVDNHNGMLELGTSERGGLSIRAWLPVPVTRAQGTTKEG