Ribonucleotide reductase controls the synthesis of deoxyribonucleotides and the balance of nucleotides in the cell. The R1 subunit of ribonucleotide reductase contains two allosteric sites, one that regulates the overall enzyme activity and another that regulates the substrate specificity of the enzyme.

Select the molecules that bind the site regulating overall ribonucleotide reductase activity.

A. GTP
B. GTP
C. МАТР
D. DATP