8-oxo-dGDP phosphatase (EC 3.6.1.58, NUDT5) is an enzyme with systematic name 8-oxo-dGDP phosphohydrolase. This enzyme catalyses the following chemical reaction 8-oxo-dGDP + H2O 8-oxo-dGMP + phosphate The enzyme catalyses the hydrolysis of both 8-oxo-dGDP and 8-oxo-GDP.