AG2034
AG2034 is an inhibitor of glycinamide ribonucleotide formyltransferase (GARFT), with a Ki of 28 nM against human GARFT, and it binds with high affinity to the folate receptor (Kd of 0.0042 nM). Additionally, AG2034 is a substrate for rat liver folylpolyglutamate synthetase, with a Km of 6.4 uM. AG2034 inhibits the growth of L1210 and CCRF-CEM cells, with IC50 values of 4 nM and 2.9 nM, respectively, and it has demonstrated antitumor activity in xenograft models such as 6C3HED.