Human CDK4, also known as cyclin-dependent kinase 4, PSK-J3, and cell division protein kinase 4, with N-terminal FLAG-tag, a.a 2-303(end), GenBank Accession No. NM_000075, expressed in a Baculovirus-infected Sf9 cell expression system.

cyclin-dependent kinase 4, PSK-J3, cell division protein kinase 4

40 mM Tris-HCl, pH 8.0, 110 mM NaCl, 2.2 mM KCl, 20% glycerol, 3mM DTT, 100ug/ml flag peptide

Aqueous buffer solution

At least 6 months at –80°C

1. Bullrich, F. et al., Cancer Res. (1995); 55:1199-1205.

2. Ye, X. et al., Proc. Nat. Acad. Sci.. (2001); 98:1682-1686.

Avoid freeze/thaw cycles.

Kinase

Protein