FB2026_03 , released September 17, 2026

CV Term Report

Help Close All Open All

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"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

Results list data from multiple species. Choose a record type above to open its HitList.

Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_CELLULAR_COMPONENT

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Gene Groups	Genes
carboxy-terminal domain protein kinase complex (all annotations which use CV term, excluding "NOT" statements)
part_of \| carboxy-terminal domain protein kinase complex	--

Spanning Tree (Parents/Children)

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 2 rec.
                                                  |__transcription factor TFIIK complex 2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	nuclear protein-containing complex serine/threonine protein kinase complex
Part of
Synonyms & Secondary IDs
Synonyms
	"CTDK complex" EXACT
Secondary IDs

External Crossreferences & Linkouts