FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term mRNA branch site recognition ID (Ontology) GO:0000348 (Gene Ontology)
Definition Recognition of the pre-mRNA branch site sequence by components of the assembling spliceosome.[ ISBN:0879695897 ]
Also Known As "nuclear mRNA branch site recognition"
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
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)
Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS       8
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes
 mRNA branch site recognition (all annotations which use CV term, excluding "NOT" statements)       8
     involved_in | mRNA branch site recognition       8
Spanning Tree (Parents/Children)
Only view relationship: 
mRNA splicing, via spliceosome
 |__spliceosomal complex assembly_____
ribonucleoprotein complex biogenesis  |
 |__protein-RNA complex assembly______|
protein-RNA complex assembly          |
 |__spliceosomal complex assembly_____|
protein-containing complex assembly   |
 |__protein-RNA complex assembly______|
protein-RNA complex organization      |
 |__protein-RNA complex assembly______|
                                      mRNA branch site recognition  8 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a protein-RNA complex assembly
Part of spliceosomal complex assembly
hide Synonyms & Secondary IDs
Synonyms
  • "nuclear mRNA branch site recognition" EXACT
    "spliceosomal A complex biosynthesis" NARROW
    "spliceosomal A complex formation" NARROW
    "spliceosomal B complex biosynthesis" NARROW
    "spliceosomal B complex formation" NARROW
    "U12-type nuclear mRNA branch site recognition" NARROW
    "U2-type nuclear mRNA branch site recognition" NARROW
Secondary IDs
hide External Crossreferences & Linkouts