FB2025_05 , released December 11, 2025

CV Term Report

Help Close All Open All

General Information
Term	junction	ID (Ontology)	SO:0000699 (Sequence Ontology)
Definition	A sequence_feature with an extent of zero.
Also Known As	"boundary" ; "breakpoint"
Comment
Links to External Ontologies
	SO.org
Annotations
Records annotated with this term OR any of its CHILD TERMS
Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
No relevant records available
Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
No relevant statements available

Spanning Tree (Parents/Children)

  sequence_feature
   |__junction  581400 rec.
       |__chromosome_breakpoint
       |   |__deletion_breakpoint
       |   |__fragile_site(+)
       |   |__insertion_breakpoint
       |   |__interchromosomal_breakpoint
       |   |__intrachromosomal_breakpoint
       |   |__inversion_breakpoint
       |   |__translocation_breakpoint
       |__clone_insert_end
       |__clone_insert_start
       |__deletion_junction
       |__exon_junction 71485 rec.
       |__insertion_site 403202 rec.
       |   |__transposable_element_insertion_site 394679 rec.
       |__nucleotide_cleavage_site
       |   |__restriction_enzyme_cleavage_junction(+)
       |__polyA_site 106713 rec.
       |__splice_junction
       |__topologically_associated_domain_boundary
       |__trans_splice_junction

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	sequence_feature
Part of
Synonyms & Secondary IDs
Synonyms
	"boundary" EXACT "breakpoint" EXACT
Secondary IDs

External Crossreferences & Linkouts