cis assembly of pre-catalytic spliceosome
Assembly of a spliceosomal complex containing the intact pre-mRNA and all of the spliceosomal snRNPs. This occurs when the tri-snRNP associates with the pre-mRNA and associated snRNPs in an ATP-dependent manner.
GO:0022618
protein-RNA complex assembly
is_a
GO:0000245
spliceosomal complex assembly
part_of
GO:0045292
mRNA cis splicing, via spliceosome
part_of
cis assembly of U12-type pre-catalytic spliceosome
narrow
cis assembly of U2-type pre-catalytic spliceosome
narrow
formation of spliceosomal A2-1 complex
narrow
formation of spliceosomal B1 complex
narrow
spliceosomal A2-1 complex biosynthesis
narrow
spliceosomal A2-1 complex formation
narrow
spliceosomal B1 complex biosynthesis
narrow
spliceosomal B1 complex formation
narrow
SPCC63.11