the elevated dntp pools in the mutant most resistant to aphidicolin appear to be the result of a 4- to 8-fold increase in the level of ribonucleotide reductase ( 2'-deoxyribonucleoside diphosphate : oxidized thioredoxin 2'-oxidoreductase , ec 1.17.4.1 ) .
C0035547
ribonucleotide reductase
C0030016
oxidoreductase