EOG88PQ18 GO:0005846 5/37 nuclear cap binding complex cellular_component "A conserved heterodimeric protein complex that binds to the 5' terminal cap structure m7G(5')ppp(5')N of nascent eukaryotic RNA polymerase II transcripts such as pre-mRNA and U snRNA. The consists of proteins known as CBP20 and CBP80, binds to cap structures in the nucleus, and is involved in pre-mRNA splicing, 3'-end formation, and RNA nuclear export." [PMID:16043498] EOG88PQ18 GO:0000339 5/37 RNA cap binding molecular_function "Interacting selectively and non-covalently with a 7-methylguanosine (m7G) group or derivative located at the 5' end of an RNA molecule." [GOC:krc] EOG88PQ18 GO:0045292 5/37 mRNA cis splicing, via spliceosome biological_process "The joining together, after removal of an intervening sequence composed of one or more introns, of two segments of the same RNA molecule via spliceosomal catalysis to produce an mRNA composed only of exon sequences that all came from the same primary transcript." [GOC:krc, http://calspace.ucsd.edu/origins/Glossary/C.htm, ISBN:0879695897] EOG88PQ18 GO:0051028 5/37 mRNA transport biological_process "The directed movement of mRNA, messenger ribonucleic acid, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore." [GOC:ai]