HK1

Catalysis of the reaction: ATP + protein L-histidine = ADP + protein phospho-L-histidine.

ATP:protein-L-histidine N-phosphotransferase activity, EnvZ, HK1, HP165, Sln1p, histidine kinase (ambiguous), histidine kinase activity, histidine protein kinase (ambiguous), histidine protein kinase activity, protein histidine kinase (ambiguous), protein histidine kinase activity, protein kinase (histidine), protein kinase (histidine) (ambiguous), protein-histidine kinase activity

http://purl.uniprot.org/go/0000155, http://purl.uniprot.org/go/0008256, http://purl.uniprot.org/go/0008257, http://purl.uniprot.org/go/0009784