5BWJ:
reference: Structural characterization and modeling of the Borrelia burgdorferi hybrid histidine kinase Hk1 periplasmic sensor: A system for sensing small molecules associated with tick feeding., Bauer WJ, Luthra A, Zhu G, Radolf JD, Malkowski MG, Caimano MJ, J Struct Biol. 2015 Aug 28. pii: S1047-8477(15)30051-4. doi:, 10.1016/j.jsb.2015.08.013. PMID: 26321039

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