ID 5.1.3.23 DE UDP-2,3-diacetamido-2,3-dideoxyglucuronic acid 2-epimerase. AN 2,3-diacetamido-2,3-dideoxy-alpha-D-glucuronic acid 2-epimerase. AN UDP-alpha-D-GlcNAc3NAcA 2-epimerase. AN UDP-GlcNAc3NAcA 2-epimerase. CA UDP-2,3-diacetamido-2,3-dideoxy-alpha-D-glucuronate = UDP-2,3- CA diacetamido-2,3-dideoxy-alpha-D-mannuronate. CC -!- Participates in the biosynthetic pathway for UDP-alpha-D-ManNAc3NAcA CC (UDP-2,3-diacetamido-2,3-dideoxy-alpha-D-mannuronic acid), CC an important precursor of the B-band lipopolysaccharide of CC Pseudomonas aeroginosa serotype O5 and of the band-A trisaccharide of CC Bordetella pertussis, both important respiratory pathogens. CC -!- Highly specific as UDP-alpha-D-GlcNAc, UDP-alpha-D-GlcNAcA (UDP-2- CC acetamido-2-deoxy-alpha-D-glucuronic acid) and UDP-alpha-D-GlcNAc3NAc CC (UDP-2,3-diacetamido-2,3-dideoxy-alpha-D-glucose) cannot act as CC substrates. DR G3XD61, WBPI_PSEAE ; //