The response regulator PhoP is in excess over the histidine kinase PhoQ by

Range ~50 Fold
Organism Bacteria Escherichia coli
Reference Miyashiro T, Goulian M. High stimulus unmasks positive feedback in an autoregulated bacterial signaling circuit. Proc Natl Acad Sci U S A. 2008 Nov 11 105(45):17457-62.PubMed ID18987315
Comments As far as the ratio of histidine kinase to response regulator, the 35-fold excess of the response regulator OmpR over EnvZ (BNID 105109, 105110) is similar to above value
Entered by Uri M
ID 107804