electrophoretic and quantitative analysis of pyrimidine 5'-nucleotidase in human erythrocytes from healthy individuals and a patient deficient in pyrimidine 5'-nucleotidase , using a range of substrates , has shown that the patient has a marked deficiency with ump , cmp and dcmp as substrates but near normal levels of activity with dump and dtmp as substrates .
C0392762
quantitative
C1514721
range