[pSer2, pSer5, pSer7]-CTD (TFA) is a substrate for CDK7(cyclin-dependent protein kinase), a phosphorylated polypeptide at ser2, ser5, and ser7 of RNA polymerase II carboxyl terminus (CTD).

Tyroserleutide TFA, isolated from the degradation products of porcine spleen, is a small molecular tripeptide which inhibits tumor growth both in vitro and in vivo.

PF-03814735 是一种新型、有效、可逆的 Aurora A/B 抑制剂，IC50 为 0.8 nM/5 nM，对 Flt3、FAK、TrkA 的效力较低，对 Met 和 FGFR1 的活性最低。