FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Complex: U2 SNRNP AUXILIARY FACTOR
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General Information
Name
U2 SNRNP AUXILIARY FACTOR
Species
D. melanogaster
Symbol
U2AF
FlyBase ID
FBgg0000538
Date last reviewed
2023-08-08
Number of members
2
Description
Description
U2AF is a heterodimeric complex that binds to the intron pyrimidine tract between the branchpoint and the 3' splice site and targets U2 snRNP to the branch site early in spliceosome assembly. (Adapted from FBrf0103091).
Notes on Group
Source Material
The U2 SNRNP AUXILIARY FACTOR Gene Group has been compiled using the following publication(s): Rudner et al., 1998 .
Key Gene Ontology (GO) terms
Molecular Function
poly-pyrimidine tract binding
Biological Process
mRNA splicing, via spliceosome
Cellular Component
U2AF complex
Related Gene Groups
Parent group(s)
SPLICEOSOMAL COMPLEXES
Members (2)
For all members:
GO ribbon stack
 molecular functionbiological processcellular component
External Data
Synonyms and Secondary IDs
Synonym(s)
U2AF
U2 SNRNP AUXILIARY FACTOR
U2 small nuclear ribonucleoprotein particle auxiliary factor
Secondary FlyBase ID(s)
References (2)