Positive Transcriptional Elongation Factor B



Positive Transcription Elongation Factor B

tat Associated Kinase

tat-Associated Kinase

A transcriptional elongation factor complex that is comprised of a heterodimer of CYCLIN-DEPENDENT KINASE 9 and one of several CYCLINS including TYPE T CYCLINS and cyclin K. It functions by phosphorylating the carboxy-terminal domain of RNA POLYMERASE II.