Calf thymus DNA (DNA from calf thymus, Thymonucleic acid) is a high-quality double-stranded template DNA extracted from the bovine thymus gland, widely used in studying DNA binding anticancer agents and DNA binding agents that regulate DNA structure and function.

NSAH is a nonnucleoside inhibitor of human ribonucleotide reductase (hRR).with cell-free IC50 of 32 μM and cell-based IC50 of ~250 nM, respectively.A unique nonnucleoside small-molecule hRR inhibitor, naphthyl salicylic acyl hydrazone (NSAH), using virtual screening, binding affinity, inhibition, and cell toxicity assays.?NSAH binds to hRRM1 with an apparent dissociation constant of 37 μM, and steady-state kinetics reveal a competitive mode of inhibition.?

Fludarabine Phosphate is an analogue of adenosine and deoxyadenosine, which is able to compete with dATP for incorporation into DNA and inhibit DNA synthesis.