4CTI:
reference: Crystallographic snapshot of the Escherichia coli EnvZ histidine kinase in an active conformation., Ferris HU, Coles M, Lupas AN, Hartmann MD, J Struct Biol. 2014 Mar 26. pii: S1047-8477(14)00067-7. doi:, 10.1016/j.jsb.2014.03.014. PMID: 24681325

This OCA Structure page
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