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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
commitment complex  
U12-type precatalytic spliceosome 
U2-type catalytic step 1 spliceosome  
U2-type catalytic step 2 spliceosome  
U2-type post-mRNA release spliceosomal complex  
U2-type post-spliceosomal complex  
U2-type precatalytic spliceosome  
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.
U2-type prespliceosome  

Synonyms
Exact Synonyms: major precatalytic spliceosome
Narrow Synonyms: GT-AG precatalytic spliceosome ;   mammalian U2-type spliceosomal complex B ;   mammalian U2-type spliceosomal complex B1
Related Synonyms: yeast U12-type spliceosomal complex A2-1
Definition Sources: GOC:ab, GOC:krc, GOC:mah, PMID:18322460, PMID:19239890

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