GO cellular component ontology term - GO:0071005 - U2-type precatalytic spliceosome
Term summary
- ID
- GO:0071005
- Name
- U2-type precatalytic spliceosome
- Ontology or CV name
- GO cellular component
- Definition
- A spliceosomal complex that is formed by the recruitment of the preassembled U4/U6.U5 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 U1, U2 and U4/U6.U5 snRNPs.