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:0003723,MF,"RNA binding","Interacting selectively and non-covalently with an RNA molecule or a portion thereof.",IEA 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:0005634,CC,nucleus,"A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.",IEA GO:0005654,CC,nucleoplasm,"That part of the nuclear content other than the chromosomes or the nucleolus.",IDA GO:0006351,BP,"transcription, DNA-templated","The cellular synthesis of RNA on a template of DNA.",IEA GO:0006355,BP,"regulation of transcription, DNA-templated","Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.",IBA GO:0006396,BP,"RNA processing","Any process involved in the conversion of one or more primary RNA transcripts into one or more mature RNA molecules.",IEA GO:0009615,BP,"response to virus","Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus from a virus.",IDA GO:0019899,MF,"enzyme binding","Interacting selectively and non-covalently with any enzyme.",IPI GO:0030529,CC,"intracellular ribonucleoprotein complex","An intracellular macromolecular complex containing both protein and RNA molecules.",IDA 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