Search Ontology:
GO: Cellular Component

precatalytic spliceosome

Term ID
GO:0071011
Synonyms
  • mammalian spliceosomal complex B
  • mammalian spliceosomal complex B1
  • yeast spliceosomal complex A2-1
Definition
A spliceosomal complex that is formed by the recruitment of a preassembled U5-containing tri-snRNP to the prespliceosome. Although all 5 snRNPs are present, the precatalytic spliceosome is catalytically inactive. The precatalytic spliceosome includes many proteins in addition to those found in the associated snRNPs. (2)
References
Ontology
GO: Cellular Component    QuickGO    AmiGO
Relationships
is a type of
has subtype
Phenotype
Phenotype caused by Genes