Part:BBa_K842008

Description and Function CheW Involved in the transmission of sensory signals from the chemoreceptors to the flagellar motors. It physically bridges CheA to the MCPs (methyl-accepting chemotaxis proteins) to allow regulated phosphotransfer to CheY and CheB. Subunit structure An in vitro complex of CheW/CheA(L)/CheA(S) in a 1:1:1 ratio increases the autophosphorylation of CheA and is required for the binding of CheY, the phosphorylation substrate. This complex accounts for 10% of the total number of molecules.

Cloning and Uses This part was generated via PCR from the E. coli strain DH5α and cloned into the vector pSB1C3. It is to be used with other chemotaxis genes to form a complete regulatory pathway that controls the response system in MCP and the direction of rotation in flagella.

Sources Chemotaxis response regulator protein-glutamate methylesterase – Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720). (n.d.). UniProt. Retrieved October 1, 2012, from http://www.uniprot.org/uniprot/P04042