FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term P-TEFb complex ID (Ontology) GO:0070691 (Gene Ontology)
Definition A dimeric positive transcription elongation factor complex b that comprises a cyclin-dependent kinase containing the catalytic subunit, Cdk9, and a regulatory subunit, cyclin T.[ PubMed:16721054 PubMed:19328067 ]
Comment
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Annotations
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_CELLULAR_COMPONENT       2
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 Full annotation statements 
Relevant FlyBase reports
 Gene Groups Genes
 P-TEFb complex (all annotations which use CV term, excluding "NOT" statements)       1      2
     part_of | P-TEFb complex       --       2
Spanning Tree (Parents/Children)
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transcription elongation factor complex_____________________
nuclear cyclin-dependent protein kinase holoenzyme complex__|
carboxy-terminal domain protein kinase complex______________|
                                                            cyclin/CDK positive transcription elongation factor complex
                                                             |__P-TEFb complex  3 rec.
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Is a cyclin/CDK positive transcription elongation factor complex
Part of
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Synonyms
  • "Bur1/Bur2 complex" NARROW[ PubMed:16721054 PubMed:19328067 ]
    "cyclin-dependent kinase 9 (Cdk9)-cyclin T1 complex" NARROW
    "cyclin-dependent kinase 9 (Cdk9)-cyclin T2 complex" NARROW
    "dimeric positive transcription elongation factor complex b" RELATED
    "Sgv1/Bur2 complex" NARROW
Secondary IDs
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