... autoinhibitoryN-terminal domain. J. Biol. Chem. 277, 15271–15276.9. Aravind, L. & Ponting, C.P. (1999) The cytoplasmic helical linkerdomain of receptor histidine kinase and methyl-accepting ... in receptor histidine kinases and in MCPs [9–13]. Mutagenesis studies with the Escherichia coliAer protein, an aerotactic MCP, suggest an interaction of a HAMP domain with a flavin adenine dinucleotide-bindingPAS-domain ... ACs, two of class IIIa, four of class IIIb and nine of class IIIc[4,5]. Fusion partners of the mycobacterial CHDs includemembrane anchors, a novel autoinhibitory domain, AAA-ATPase domains,...