Skip to main content
. Author manuscript; available in PMC: 2010 May 15.
Published in final edited form as: Mol Cell. 2009 May 15;34(3):387–393. doi: 10.1016/j.molcel.2009.04.016

Figure 4. Mammalian Cdk7 phosphorylates the Ser7 of Pol II CTD.

Figure 4

ELISA of a synthetic CTD peptide (four repeats) phosphorylated by purified mammalian kinases and their corresponding cyclins were probed with αSer5-P (red) and αSer7-P (purple) antibodies.