recombinant/native protein, cdk2/ccna2 (human) recombinant protein, human cdk2 (np_001789.2, 1 a.a. - 298 a.a.) and ccna2 (np_001228 .1, 1 a.a. - 432 a.a.) with gst tag expressed in baculovirus infected sf21 cells. 1 * 5 µG