go_id,ontology,go_term,term_definition,evidence
GO:0000398,BP,"mRNA splicing, via spliceosome","The joining together of exons from one or more primary transcripts of messenger RNA (mRNA) and the excision of intron sequences, via a spliceosomal mechanism, so that mRNA consisting only of the joined exons is produced.",IGI
GO:0005515,MF,"protein binding","Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).",IPI
GO:0005654,CC,nucleoplasm,"That part of the nuclear content other than the chromosomes or the nucleolus.",IDA
GO:0005847,CC,"mRNA cleavage and polyadenylation specificity factor complex","A multisubunit complex that binds to the canonical AAUAAA hexamer and to U-rich upstream sequence elements on the pre-mRNA, thereby stimulating the otherwise weakly active and nonspecific polymerase to elongate efficiently RNAs containing a poly(A) signal.",IDA
GO:0006369,BP,"termination of RNA polymerase II transcription","The process in which the synthesis of an RNA molecule by RNA polymerase II using a DNA template is completed.",TAS
GO:0006406,BP,"mRNA export from nucleus","The directed movement of mRNA from the nucleus to the cytoplasm.",IGI
GO:0031124,BP,"mRNA 3'-end processing","Any process involved in forming the mature 3' end of an mRNA molecule.",TAS
GO:0044822,MF,"poly(A) RNA binding","Interacting non-covalently with a poly(A) RNA, a RNA molecule which has a tail of adenine bases.",IDA