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U2-type prespliceosome

Term Information

Accession
GO:0071004
Name
U2-type prespliceosome
Ontology
cellular_component
Synonyms
major prespliceosome, GT-AG prespliceosome, mammalian U2-type spliceosomal complex A, yeast U2-type spliceosomal complex B
Alternate IDs
None
Definition
A spliceosomal complex that is formed by association of the 5' splice site with the U1 snRNP, while the branch point sequence is recognized by the U2 snRNP. The prespliceosome includes many proteins in addition to those found in the U1 and U2 snRNPs. Commitment to a given pair of 5' and 3' splice sites occurs at the time of prespliceosome formation. Source: PMID:17332742, GOC:krc, PMID:19239890, GOC:ab, GOC:mah
Comment
None
History
See term history for GO:0071004 at QuickGO
Subset
None
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Graph of GO:0071004

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Parents of U2-type prespliceosome (GO:0071004)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
U2-type prespliceosome [BFO:0000051 relation] BFO:0000051  U2 snRNP (GO:0005686)
U2-type prespliceosome [BFO:0000051 relation] BFO:0000051  U1 snRNP (GO:0005685)
U2-type prespliceosome [is_a relation] is_a  U2-type spliceosomal complex (GO:0005684)
U2-type prespliceosome [is_a relation] is_a  prespliceosome (GO:0071010)

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None.