Term Information

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Accession
GO:0071012
Name
catalytic step 1 spliceosome
Ontology
cellular_component
Synonyms
activated spliceosome, mammalian spliceosomal complex B*, mammalian spliceosomal complex B2, yeast spliceosomal complex A1
Alternate IDs
None
Definition
A spliceosomal complex that is formed by the displacement of the two snRNPs from the precatalytic spliceosome; three snRNPs including U5 remain associated with the mRNA. This complex, sometimes called the activated spliceosome, is the catalytically active form of the spliceosome, and includes many proteins in addition to those found in the associated snRNPs. Source: GOC:krc, PMID:19239890, GOC:ab, GOC:mah, PMID:18322460
Comment
None
History
See term history for GO:0071012 at QuickGO
Chem. react.
None
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Graph of GO:0071012 from QuickGO

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Parents of catalytic step 1 spliceosome (GO:0071012)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
catalytic step 1 spliceosome [BFO:0000051 relation] BFO:0000051  U5 snRNP (GO:0005682)
catalytic step 1 spliceosome [BFO:0000051 relation] BFO:0000051  Prp19 complex (GO:0000974)
catalytic step 1 spliceosome [RO:0002215 relation] RO:0002215  first spliceosomal transesterification activity (GO:0000384)
catalytic step 1 spliceosome [is_a relation] is_a  catalytic complex (GO:1902494)
catalytic step 1 spliceosome [is_a relation] is_a  spliceosomal complex (GO:0005681)
Children of catalytic step 1 spliceosome (GO:0071012)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
U12-type catalytic step 1 spliceosome (GO:0071017) [is_a relation] is_a  catalytic step 1 spliceosome
U2-type catalytic step 1 spliceosome (GO:0071006) [is_a relation] is_a  catalytic step 1 spliceosome
None.