FB2026_02 , released June 18, 2026

CV Term Report

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General Information

Term

replication fork

ID (Ontology)

GO:0005657 (Gene Ontology)

Definition

The Y-shaped region of a replicating DNA molecule, resulting from the separation of the DNA strands and in which the synthesis of new strands takes place. Also includes associated protein complexes.[ ISBN:0198547684 ]

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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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	Genes
replication fork (all annotations which use CV term, excluding "NOT" statements)
is_active_in \| replication fork
located_in \| replication fork

Spanning Tree (Parents/Children)

cellular_component
 |__cellular anatomical structure_____
intracellular membraneless organelle  |
 |__chromosome________________________|
                                      replication fork  36 rec.
                                       |__cytoplasmic replication fork
                                       |   |__cytoplasmic replisome(+)
                                       |__DNA replication factor C complex 5 rec.
                                       |   |__cytoplasmic DNA replication factor C complex
                                       |   |__nuclear DNA replication factor C complex(+)
                                       |__nuclear replication fork 23 rec.
                                       |   |__nuclear replisome(+) 12 rec.
                                       |   |__replication fork protection complex 3 rec.
                                       |__replisome 13 rec.
                                           |__cytoplasmic replisome(+)
                                           |__nuclear replisome(+) 12 rec.
                                           |__primosome complex(+)
                                           |__replication inhibiting complex(+)

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	cellular anatomical structure
Part of	chromosome
Synonyms & Secondary IDs
Synonyms
	"replication focus" RELATED
Secondary IDs

External Crossreferences & Linkouts
	Wikipedia:Replication_fork