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3.6.1.45: UDP-sugar diphosphatase

This is an abbreviated version!
For detailed information about UDP-sugar diphosphatase, go to the full flat file.

Word Map on EC 3.6.1.45

Reaction

UDP-sugar
+
H2O
=
UMP
+
alpha-D-aldose 1-phosphate

Synonyms

5'-nucleotidase/UDP-sugar hydrolase, hydrolase, uridine diphosphoglucose (Escherichia coli precursor reduced), hydrolase, uridine diphosphoglucose (Escherichia coli reduced), hydrolase, uridine diphosphoglucose (Salmonella typhimurium clone pAGS5 gene ushB isoenzyme reduced), hydrolase, uridine diphosphoglucose (Salmonella typhimurium gene ushA0 isoenzyme precursor reduced), hydrolase, uridine diphosphoglucose (Salmonella typhimurium gene ushA0 isoenzyme reduced), nucleosidediphosphate-sugar diphosphatase, nucleosidediphosphate-sugar pyrophosphatase, Nudix hydrolase-like nucleotide hydrolase, toxin A, toxin B, UDP-glucose pyrophosphatase, UDP-sugar diphosphatase, UDP-sugar hydrolase, UDP-sugar pyrophosphatase, UDPG pyrophosphatase, UGPPase, UshA, UshB protein

ECTree

     3 Hydrolases
         3.6 Acting on acid anhydrides
             3.6.1 In phosphorus-containing anhydrides
                3.6.1.45 UDP-sugar diphosphatase

Systematic Name

Systematic Name on EC 3.6.1.45 - UDP-sugar diphosphatase

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SYSTEMATIC NAME
IUBMB Comments
UDP-sugar sugarphosphohydrolase
A divalent cation is required for activity. UDP-sugar is the best substrate, although other nucleoside-sugar diphosphates are used as substrates with similar Km values but much lower maximum velocities. Thus, this enzyme has a specificity distinct from that of ADP-sugar diphosphatase (EC 3.6.1.21). Some but not all enzymes of this class also appear to have 5'-nucleotidase (see EC 3.1.3.5) activity.