456 Phosphomannomutase MTQLTCFKAYDIRGELGEELNEDIAYRIGRAYGEFLKPGKIVVGGDVRLTSESLKLALARGLMDAGTDVLDIGLSGTEEIYFATFHLGVDGGIEVTASHNPMNYNGMKLVRENAKPISGDTGLRDIQRLAEENQFPPVDPARRGTLRQISVLKEYVDHLMGYVDLANFTRPLKLVVNSGNGAAGHVIDEVEKRFAAAGVPVTFIKVHHQPDGHFPNGIPNPLLPECRQDTADAVREHQADMGIAFDGDFDRCFLFDDEASFIEGYYIVGLLAEAFLQKQPGAKIIHDPRLTWNTVDIVTRNGGQPVMSKTGHAFIKERMRQEDAIYGGEMSAHHYFRDFAYCDSGMIPWLLVAELLCLKNSSLKSLVADRQAAFPASGEINRKLGNAAEAIARIRAQYEPAAAHIDTTDGISIEYPEWRFNLRTSNTEPVVRLNVESRADTALMNAKTEEILALLK Involved in GDP-mannose biosynthesis which serves as the activated sugar nucleotide precursor for mannose residues in cell surface polysaccharides. This enzyme participates in synthesis of the LPS O9 antigen. rfbK RFBK9_ECOLX manB rfbK2