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kinB | Two-component sensor histidine kinase; Phosphorylates the sporulation-regulatory proteins spo0A and spo0F. Spo0F is required for the KinB activity. (428 aa) | ||||
spo0A | Response regulator; May play the central regulatory role in sporulation. It may be an element of the effector pathway responsible for the activation of sporulation genes in response to nutritional stress. Spo0A may act in concert with Spo0H (a sigma factor) to control the expression of some genes that are critical to the sporulation process. Repressor of abrB, activator of the spoIIa operon. Binds the DNA sequence 5'-TGNCGAA-3' (0A box). (267 aa) | ||||
phoR | Two-component sensor histidine kinase; Member of the two-component regulatory system PhoP/PhoR involved in the alkaline phosphatase genes regulation. PhoR may function as a membrane-associated protein kinase that phosphorylates PhoP in response to environmental signals. (579 aa) | ||||
spo0F | Two-component response regulator; Key element in the phosphorelay regulating sporulation initiation. Phosphorylation of spo0B during sporulation initiation. (124 aa) |