Histidine kinase.

putative sensor histidine kinase precursor, putative transcriptional regulator of C4 dicarboxylate transporter (RefSeq)
putative integral membrane sensor signal transduction histidine kinase (RefSeq)
Two-component sensor histidine kinase with a PAS domain (RefSeq)
putative PAS sensor signal transduction histidine kinase (RefSeq)
sensory histidine kinase in two-component regulatory system wtih KdpE (RefSeq)