FB2025_01 , released February 20, 2025
Complex: U2 SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLE
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General Information
Name
U2 SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLE
Species
D. melanogaster
Symbol
U2
FlyBase ID
FBgg0000522
Date last reviewed
2016-08-11
Number of members
25
Description
Description
The U2 small nuclear ribonucleoprotein particle (U2 snRNP) contains U2 snRNA. It is recruited to the spliceosome after U1 snRNP and forms a stable interaction with the branch site and 3' splice site in pre-mRNA. (Adapted from PMID:23829528 and PMID:21441581).
Notes on Group
Source Material
The U2 SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLE Gene Group has been compiled using the following publication(s): Lu and Matera, 2014, Cvitkovic and Jurica, 2013, and Herold et al., 2009 .
Key Gene Ontology (GO) terms
Molecular Function
Biological Process
mRNA splicing, via spliceosome
Cellular Component
U2 snRNP
Related Gene Groups
Parent group(s)
SPLICEOSOMAL SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLES
Members (25)
For all members:
GO ribbon stack
 molecular functionbiological processcellular component
Gene Symbol
Gene Name
Also Known As
Source Material for Membership
noi
noisette
SF3A3, l(3)j3E7
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
Phf5a
PHD finger protein 5a
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
Sf3a1
Splicing factor 3a subunit 1
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
Sf3a2
Splicing factor 3a subunit 2
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
Sf3b1
Splicing factor 3b subunit 1
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
Sf3b2
Splicing factor 3b subunit 2
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
Sf3b3
Splicing factor 3b subunit 3
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
Sf3b5
Splicing factor 3b subunit 5
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
Sf3b6
Splicing factor 3b subunit 6
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
SmB
Small ribonucleoprotein particle protein SmB
Sm B, Small ribonucleoprotein particle protein B
(Cvitkovic and Jurica, 2013)
SmD1
Small ribonucleoprotein particle protein SmD1
snRNP69D
(Cvitkovic and Jurica, 2013)
SmD2
Small ribonucleoprotein particle protein SmD2
snRNP2
(Cvitkovic and Jurica, 2013)
SmD3
Small ribonucleoprotein particle protein SmD3
guf, gut feeling, l(2)90/37
(Cvitkovic and Jurica, 2013)
SmE
Small ribonucleoprotein particle protein SmE
snRNPE
(Cvitkovic and Jurica, 2013)
SmF
Small ribonucleoprotein particle protein SmF
DebB, Deb-B
(Cvitkovic and Jurica, 2013)
snf
sans fille
fs(1)1621, fs(1)A1621, liz, SNF/D25, splicing necessary factor
(Herold et al., 2009)
snRNA:U2:14B
small nuclear RNA U2 at 14B
U2, U2 snRNA, dU2, U2:14B, U2-14B
(Lu and Matera, 2014)
snRNA:U2:34ABa
small nuclear RNA U2 at 34AB a
U2, U2 snRNA, dU2, U2-131A, U2:34ABa
(Lu and Matera, 2014)
snRNA:U2:34ABb
small nuclear RNA U2 at 34AB b
U2, U2 snRNA, dU2, U2-131B, U2:34ABb
(Lu and Matera, 2014)
snRNA:U2:34ABc
small nuclear RNA U2 at 34AB c
U2, U2 snRNA, dU2, snRNA:U2
(Lu and Matera, 2014)
snRNA:U2:38ABa
small nuclear RNA U2 at 38AB a
U2, U2 snRNA, dU2, U2-141A, U2:38ABa
(Cvitkovic and Jurica, 2013)
snRNA:U2:38ABb
small nuclear RNA U2 at 38AB b
U2, U2 snRNA, dU2, U2:38ABb, U2-141B
(Lu and Matera, 2014)
SNRPG
Small nuclear ribonucleoprotein G
SmG, snRNPG
(Cvitkovic and Jurica, 2013)
Spx
Spliceosomal protein on the X
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
U2A
U2A
U2A', l(2)43Ee, dU2A'
(Cvitkovic and Jurica, 2013, Herold et al., 2009)
External Data
Equivalent Group(s)
Other resource(s)
Synonyms and Secondary IDs
Synonym(s)
U2
U2 snRNP
U2 SMALL NUCLEAR RIBONUCLEOPROTEIN PARTICLE
U2 small nuclear RNP
Secondary FlyBase ID(s)
References (4)