FB2026_03 , released September 17, 2026
Complex: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLE
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General Information
Name
U1 SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLE
Species
D. melanogaster
Symbol
U1
FlyBase ID
FBgg0000521
Date last reviewed
2016-08-11
Number of members
17
Description
Description
The U1 small nuclear ribonucleoprotein particle (U1 snRNP) contains U1 snRNA and initiates spliceosome assembly by binding to the 5' splice site in pre-mRNA. (Adapted from PMID:11206553 and PMID:21441581).
Notes on Group
Source Material
The U1 SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLE Gene Group has been compiled using the following publication(s): Lu and Matera, 2014, Cvitkovic and Jurica, 2013, Herold et al., 2009, and Saluz et al., 1988 .
Key Gene Ontology (GO) terms
Molecular Function
Biological Process
mRNA splicing, via spliceosome
Cellular Component
U1 snRNP
Related Gene Groups
Parent group(s)
SPLICEOSOMAL SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLES
Members (17)
For all members:
GO ribbon stack
 molecular functionbiological processcellular component
External Data
Synonyms and Secondary IDs
Synonym(s)
U1
U1 snRNP
U1 SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLE
U1 small nuclear RNP
Secondary FlyBase ID(s)
References (5)