EOG8S4RWH	GO:0000166	25/91	nucleotide binding	molecular_function	"Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose." [GOC:mah, ISBN:0198547684]
EOG8S4RWH	GO:0005634	24/91	nucleus	cellular_component	"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." [GOC:go_curators]
EOG8S4RWH	GO:0003723	23/91	RNA binding	molecular_function	"Interacting selectively and non-covalently with an RNA molecule or a portion thereof." [GOC:mah]
EOG8S4RWH	GO:0006397	23/91	mRNA processing	biological_process	"Any process involved in the conversion of a primary mRNA transcript into one or more mature mRNA(s) prior to translation into polypeptide." [GOC:mah]
EOG8S4RWH	GO:0003676	1/91	nucleic acid binding	molecular_function	"Interacting selectively and non-covalently with any nucleic acid." [GOC:jl]
EOG8S4RWH	GO:0003729	1/91	mRNA binding	molecular_function	"Interacting selectively and non-covalently with messenger RNA (mRNA), an intermediate molecule between DNA and protein. mRNA includes UTR and coding sequences, but does not contain introns." [GOC:kmv, SO:0000234]
EOG8S4RWH	GO:0071011	1/91	precatalytic spliceosome	cellular_component	"A spliceosomal complex that is formed by the recruitment of a preassembled U5-containing tri-snRNP to the prespliceosome. Although all 5 snRNPs are present, the precatalytic spliceosome is catalytically inactive. The precatalytic spliceosome includes many proteins in addition to those found in the associated snRNPs." [GOC:ab, GOC:krc, GOC:mah, PMID:18322460, PMID:19239890]
EOG8S4RWH	GO:0000381	1/91	regulation of alternative mRNA splicing, via spliceosome	biological_process	"Any process that modulates the frequency, rate or extent of alternative splicing of nuclear mRNAs." [GOC:krc]
EOG8S4RWH	GO:0000398	1/91	mRNA splicing, via spliceosome	biological_process	"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." [GOC:krc, ISBN:0198506732, ISBN:0879695897]
EOG8S4RWH	GO:0071013	1/91	catalytic step 2 spliceosome	cellular_component	"A spliceosomal complex that contains three snRNPs, including U5, bound to a splicing intermediate in which the first catalytic cleavage of the 5' splice site has occurred. The precise subunit composition differs significantly from that of the catalytic step 1, or activated, spliceosome, and includes many proteins in addition to those found in the associated snRNPs." [GOC:ab, GOC:krc, GOC:mah, ISBN:0879695897, ISBN:0879697393, PMID:18322460, PMID:19239890]