GO biological process

spliceosomal tri-snRNP complex assembly, alternative mRNA splicing, via spliceosome, mRNA splicing

GO cellular component

catalytic step 2 spliceosome, U5 snRNP, nucleus, chloroplast, membrane

GO molecular function

pre-mRNA intronic binding, U6 snRNA binding, U5 snRNA binding, second spliceosomal transesterification activity, protein binding, U2 snRNA binding, U1 snRNA binding