CRT10 is a transcriptional regulator of ribonucleotide reductase (RNR) genes [1]. RNR catalyses the rate limiting step in dNTP synthesis. Mutations in CRT10 have been shown to enhance hydroxyurea resistance [1].

1: Identification and characterization of CRT10 as a novel regulator of Saccharomyces cerevisiae ribonucleotide reductase genes. Fu Y, Xiao W; Nucleic Acids Res. 2006;34:1876-1883. PMID:16600900