BRD4 is required for stimulating kinase activity of: (A) P-TEFB, (B) HEXIMI, (C) HOX-B, (D) TSKsnRNA
Answer is A. Ans: A P-TEFBBromodomain-containing protein 4 is a protein that in humans is encoded by the BRD4 gene.The C-terminal domain of BkD4 has been implicated in promoting gene transcription through interaction with the transcription elongation factor P-TEFb.