ID   3.6.1.45
DE   UDP-sugar diphosphatase.
AN   nucleosidediphosphate-sugar diphosphatase.
AN   nucleosidediphosphate-sugar pyrophosphatase.
AN   UDP-sugar hydrolase.
AN   UDP-sugar pyrophosphatase.
CA   UDP-sugar + H2O = UMP + alpha-D-aldose 1-phosphate.
CC   -!- UDP-sugar is the best substrate, although other nucleoside-sugar
CC       diphosphates are used as substrates with similar Km values but much
CC       lower maximum velocities.
CC   -!- Thus, this enzyme has a specificity distinct from that of
CC       EC 3.6.1.21.
CC   -!- Some but not all enzymes of this class also appear to have EC 3.1.3.5
CC       activity.
DR   Q9XZ43, 5NTD_LUTLO ;  P52307, 5NTD_RHIMP ;  Q05B60, NUD14_BOVIN;
DR   O95848, NUD14_HUMAN;  Q9D142, NUD14_MOUSE;  Q2TBI8, NUD22_BOVIN;
DR   Q9BRQ3, NUD22_HUMAN;  Q9DD16, NUD22_MOUSE;  Q6P9U1, NUD22_RAT  ;
DR   P07024, USHA_ECOLI ;  Q9RN37, USHA_SALPU ;  Q56878, USHA_YERE8 ;
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