O-antigen chain terminator bifunctional methyltransferase/kinase WbdD

UniProtKB accession:  Q47592

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UniProtKB description:  Regulates the length of the LPS O-antigen polysaccharide chain. Stops the polymerization of the chain by phosphorylating and then methylating the phosphate on the terminal sugar. This terminal modification is essential for export of the O-antigen across the inner membrane. WbdD is also required for correct localization of the WbdA mannosyltransferase.