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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
U12-type catalytic step 1 spliceosome 
U12-type catalytic step 2 spliceosome 
U12-type post-mRNA release spliceosomal complex 
U12-type post-spliceosomal complex 
U12-type precatalytic spliceosome 
A spliceosomal complex that is formed by the recruitment of the preassembled U4atac/U6atac.U5 tri-snRNP to the U12-type 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 U11, U12 and U4atac/U6atac.U5 snRNPs.
U12-type prespliceosome 
U2-type precatalytic spliceosome  

Synonyms
Exact Synonyms: minor precatalytic spliceosome
Narrow Synonyms: AT-AC precatalytic spliceosome ;   mammalian U12-type spliceosomal complex B ;   mammalian U12-type spliceosomal complex B1 ;   yeast U12-type spliceosomal complex A2-1
Definition Sources: GOC:ab, GOC:krc, GOC:mah, PMID:16201866

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