Positive Transcriptional Elongation Factor B
Synonyms
P-TEFb
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.