Knockdown of CCNH or CDK7 decreases levels of CtBP2.
A and B, immunoblot of cell lysates from HEK293T cells expressing the empty vector or pS4.1-CCNH (A) or pS4.1-CDK7 (B). C and D, relative amount of protein for CtBP2, CCNH/CDK7. E and G, immunoblot of cell lysates from MDA-MB-231 cells expressing the empty vector or pS4.1-CCNH (E) or pS4.1-CDK7 (G). F and H, relative amount of protein for CtBP2 and CCNH/CDK7.