ID 5.1.3.45 DE UDP-N-acetyl-alpha-D-glucosaminouronate 4-epimerase. AN UDP-N-acetylglucosaminuronic acid 4-epimerase. CA UDP-2-acetamido-2-deoxy-alpha-D-glucuronate = UDP-2-acetamido-2-deoxy- CA alpha-D-galacturonate. CC -!- The enzyme is found in bacteria and participates in the biosynthesis CC of assorted bacterial lipopolysaccharides and capsular CC polysaccharides. CC -!- It contains a tightly-bound NAD(H) cofactor. CC -!- The enzyme also catalyzes the activity of EC 5.1.3.7 with lower CC efficiency. DR Q8KN66, WBPP_PSEAI ; Q04973, WCDB_SALTI ; //