FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term carboxy-terminal domain protein kinase complex ID (Ontology) GO:0032806 (Gene Ontology)
Definition A protein complex that phosphorylates amino acid residues of RNA polymerase II C-terminal domain repeats; phosphorylation occurs mainly on Ser2 and Ser5.[ PubMed:15047695 PubMed:16721054 PubMed:17079683 ]
Also Known As "CTDK complex"
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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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       3
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 Full annotation statements 
Relevant FlyBase reports
 Gene Groups Genes
 carboxy-terminal domain protein kinase complex (all annotations which use CV term, excluding "NOT" statements)       1      3
     part_of | carboxy-terminal domain protein kinase complex       --       3
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nucleus
 |__nuclear protein-containing complex_______
protein-containing complex                   |
 |__nuclear protein-containing complex_______|
protein kinase complex                       |
 |__serine/threonine protein kinase complex__|
                                             carboxy-terminal domain protein kinase complex  18 rec.
                                              |__cyclin/CDK positive transcription elongation factor complex 5 rec.
                                              |   |__CTDK-1 complex
                                              |   |__P-TEFb complex 3 rec.
                                              |__transcription factor TFIIH holo complex 13 rec.
                                                  |__core TFIIH complex portion of holo TFIIH complex 1 rec.
                                                  |__transcription factor TFIIK complex 2 rec.
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Is a nuclear protein-containing complex
serine/threonine protein kinase complex
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Synonyms
  • "CTDK complex" EXACT
Secondary IDs
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