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Positive Transcriptional Elongation Factor B MeSH Descriptor Data 2025


MeSH Heading
Positive Transcriptional Elongation Factor B
Tree Number(s)
D08.811.913.696.620.682.700.626
D12.776.476.563.626
D12.776.930.955.500
Unique ID
D042925
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D042925
Scope Note
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.
Entry Term(s)
P-TEFb
Positive Transcription Elongation Factor B
tat-Associated Kinase
Previous Indexing
Protein-Serine-Threonine Kinases (1996-2003)
Public MeSH Note
2004; POSITIVE TRANSCRIPTIONAL ELONGATION FACTOR B was indexed under PROTEIN-SERINE-THREONINE KINASES 1996-2003
History Note
2004; use POSITIVE TRANSCRIPTIONAL ELONGATION FACTOR B (NM) 1996-2003
Date Established
2004/01/01
Date of Entry
2003/07/09
Revision Date
2021/05/21
Positive Transcriptional Elongation Factor B Preferred
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