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Term Information

Accession
GO:0071010
Name
prespliceosome
Ontology
cellular_component
Synonyms
prespliceosomal complex, mammalian spliceosomal complex A, yeast spliceosomal complex B
Alternate IDs
None
Definition
A spliceosomal complex that is formed by association of the 5' splice site and the branch point sequence with specific snRNPs. The prespliceosome includes many proteins in addition to those found in the bound snRNPs. Commitment to a given pair of 5' and 3' splice sites occurs at the time of prespliceosome formation. Prespliceosome complexes are not active for splicing, but are instead an early step in the assembly of a spliceosomal complex. Source: PMID:17332742, GOC:krc, PMID:19239890, GOC:ab, GOC:mah
Comment
None
History
See term history for GO:0071010 at QuickGO
Subset
None
Feedback
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Parents of prespliceosome (GO:0071010)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
prespliceosome [is_a relation] is_a  spliceosomal complex (GO:0005681)
Children of prespliceosome (GO:0071010)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
U12-type prespliceosome (GO:0071015) [is_a relation] is_a  prespliceosome
U2-type prespliceosome (GO:0071004) [is_a relation] is_a  prespliceosome
None.