This family represents a putative ManNAc-6-P-to-GlcNAc-6P epimerase in the N-acetylmannosamine (ManNAc) utilisation pathway found mainly in pathogenic bacteria.

1: Convergent pathways for utilization of the amino sugars N-acetylglucosamine, N-acetylmannosamine, and N-acetylneuraminic acid by Escherichia coli. Plumbridge J, Vimr E; J Bacteriol 1999;181:47-54. PMID:9864311