5,10-methylenetetrahydrofolate : dump c-methyl-transferase , ec 2.1.1.45 ) ] or indirect ( dthd and hypoxanthine ; feedback inhibition by anabolites on ribonucleotide reductase and deoxycytidylate deaminase ) effect .
C0030016
ec
C0035547
ribonucleotide reductase