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.
| Predicate | Object |
|---|---|
| rdf:type | |
| rdfs:comment |
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.
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| rdfs:subClassOf | |
| rdfs:label |
mammalian spliceosomal complex B,
mammalian spliceosomal complex B1,
precatalytic spliceosome,
yeast spliceosomal complex A2-1
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| skos:exactMatch | |
| skos:narrower |