FB2026_03 , released September 17, 2026
CV Term Report
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Term generation of catalytic spliceosome for second transesterification step ID (Ontology) GO:0000350 (Gene Ontology)
Definition Conformational rearrangement of the spliceosomal complex containing the RNA products from the 1st step of splicing to form the catalytic site for the second step of splicing.[ ISBN:0879695897 ]
Also Known As"formation of catalytic spliceosome for second transesterification step"
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Genes (FBgn)GO_BIOLOGICAL_PROCESS
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 generation of catalytic spliceosome for second transesterification step (all annotations which use CV term, excluding "NOT" statements)
     involved_in | generation of catalytic spliceosome for second transesterification step
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mRNA splicing, via spliceosome
 |__spliceosomal conformational changes to generate catalytic conformation__
ribonucleoprotein complex biogenesis                                        |
 |__protein-RNA complex assembly____________________________________________|
protein-RNA complex assembly                                                |
 |__spliceosomal conformational changes to generate catalytic conformation__|
protein-containing complex assembly                                         |
 |__protein-RNA complex assembly____________________________________________|
protein-RNA complex organization                                            |
 |__protein-RNA complex assembly____________________________________________|
                                                                            generation of catalytic spliceosome for second transesterification step  2 rec.
                                                                             |__alignment of 3' and 5' splice sites of mRNA
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Is a protein-RNA complex assembly
Part of spliceosomal conformational changes to generate catalytic conformation
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Synonyms
  • "catalytic spliceosome assembly for second transesterification step" RELATED
    "formation of catalytic spliceosome for second transesterification step" EXACT
    "formation of catalytic U12-type spliceosome for second transesterification step" NARROW
    "formation of catalytic U2-type spliceosome for second transesterification step" NARROW
    "formation of spliceosomal A2-2 complex" NARROW
    "formation of spliceosomal C1 complex" NARROW
    "lariat formation, 5'-splice site cleavage" RELATED
    "spliceosomal A2-3 complex biosynthesis" NARROW
    "spliceosomal A2-3 complex formation" NARROW
    "spliceosomal C2 complex biosynthesis" NARROW
    "spliceosomal C2 complex formation" NARROW
Secondary IDs
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