. "\"Recognition of the intron 3'-splice site by components of the assembling U2- or U12-type spliceosome.\" [GOC:krc, ISBN:0879695897]" . . "mRNA 3'-splice site recognition" . "nuclear mRNA 3'-splice site recognition" . . "U12-type nuclear mRNA 3'-splice site recognition" . "U2-type nuclear mRNA 3'-splice site recognition" .