the other cytosolic nucleotidase required mg2+ , had a ph optimum of 5.5 to 6.0 , was activated by 2'-deoxyinosine , and demonstrated a substrate preference for 3'- and 5'-monophosphate 2'-deoxynucleosides of hypoxanthine , guanine , uracil , and thymine .
C0041917
uracil
C0040087
thymine