4-amino-5-hydroxymethyl-2-methylpyrimidine diphosphatase activity
Catalysis of the reaction: 4-amino-5-hydroxymethyl-2-methylpyrimidine pyrophosphate + H2O = hydroxymethylpyrimidine phosphate + phosphate + H+.
GO:0016462
pyrophosphatase activity
is_a
HMP-PP diphosphatase
exact
HMP-PP pyrophosphatase
exact