Entry
Name
Spliceosome - Myxocyprinus asiaticus (Chinese sucker)
Description
After transcription, eukaryotic mRNA precursors contain protein-coding exons and noncoding introns. In the following splicing, introns are excised and exons are joined by a macromolecular complex, the spliceosome. The standard spliceosome is made up of five small nuclear ribonucleoproteins (snRNPs), U1, U2, U4, U5, and U6 snRNPs, and several spliceosome-associated proteins (SAPs). Spliceosomes are not a simple stable complex, but a dynamic family of particles that assemble on the mRNA precursor and help fold it into a conformation that allows transesterification to proceed. Various spliceosome forms (e.g. A-, B- and C-complexes) have been identified.
Class
Genetic Information Processing; Transcription
BRITE hierarchy
Pathway map
Ortholog table
Other DBs
Organism
Myxocyprinus asiaticus (Chinese sucker) [GN:
masi ]
Gene
127449595 small nuclear ribonucleoprotein-associated proteins B and B' [KO:K11086 ]
127446026 small nuclear ribonucleoprotein-associated protein B'-like [KO:K11086 ]
127424229 small nuclear ribonucleoprotein Sm D3-like isoform X1 [KO:K11088 ]
127419314 putative small nuclear ribonucleoprotein G-like protein 15 isoform X1 [KO:K11099 ]
127446830 pre-mRNA-processing factor 40 homolog A-like isoform X1 [KO:K12821 ]
127448060 pre-mRNA-processing factor 40 homolog A-like isoform X1 [KO:K12821 ]
127451757 poly(U)-binding-splicing factor PUF60-B-like isoform X1 [KO:K12838 ]
127441425 poly(U)-binding-splicing factor PUF60-like isoform X1 [KO:K12838 ]
127411403 survival of motor neuron-related-splicing factor 30-like [KO:K12839 ]
127438495 calcium homeostasis endoplasmic reticulum protein-like isoform X1 [KO:K12841 ]
127438814 calcium homeostasis endoplasmic reticulum protein-like isoform X1 [KO:K12841 ]
127427850 U2 snRNP-associated SURP motif-containing protein-like isoform X1 [KO:K12842 ]
127440451 U2 snRNP-associated SURP motif-containing protein-like isoform X1 [KO:K12842 ]
127434614 zgc:163098; U2 snRNP-associated SURP motif-containing protein isoform X1 [KO:K12842 ]
127442253 U2 snRNP-associated SURP motif-containing protein-like isoform X1 [KO:K12842 ]
127450424 SNU13 homolog, small nuclear ribonucleoprotein a (U4/U6.U5) [KO:K12845 ]
127426847 SNU13 homolog, small nuclear ribonucleoprotein b (U4/U6.U5) [KO:K12845 ]
127419953 U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein [KO:K12846 ]
127439687 U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein-like [KO:K12846 ]
127451848 116 kDa U5 small nuclear ribonucleoprotein component-like isoform X1 [KO:K12852 ]
127421341 U5 small nuclear ribonucleoprotein 40 kDa protein-like [KO:K12857 ]
127450309 apoptotic chromatin condensation inducer in the nucleus-like isoform X1 [KO:K12875 ]
127440625 apoptotic chromatin condensation inducer in the nucleus-like isoform X1 [KO:K12875 ]
127440762 apoptotic chromatin condensation inducer in the nucleus-like isoform X1 [KO:K12875 ]
127442317 apoptotic chromatin condensation inducer in the nucleus-like isoform X1 [KO:K12875 ]
127419778 heterogeneous nuclear ribonucleoprotein A1-like isoform X1 [KO:K12741 ]
127442538 heterogeneous nuclear ribonucleoprotein C-like isoform X1 [KO:K12884 ]
127449048 heterogeneous nuclear ribonucleoprotein C-like isoform X1 [KO:K12884 ]
127418267 RNA-binding motif protein, X chromosome-like isoform X1 [KO:K12885 ]
127439873 heterogeneous nuclear ribonucleoprotein K-like isoform X1 [KO:K12886 ]
127415124 heterogeneous nuclear ribonucleoprotein K-like isoform X1 [KO:K12886 ]
127438416 heterogeneous nuclear ribonucleoprotein M-like isoform X1 [KO:K12887 ]
127438978 heterogeneous nuclear ribonucleoprotein M-like isoform X1 [KO:K12887 ]
127430313 serine/arginine-rich splicing factor 1A-like isoform X1 [KO:K12890 ]
127425271 serine/arginine-rich splicing factor 4-like isoform X1 [KO:K12893 ]
127419797 serine/arginine-rich splicing factor 6-like isoform X1 [KO:K12893 ]
127431666 serine and arginine rich splicing factor 7a isoform X1 [KO:K12896 ]
Reference
Authors
Wahl MC, Will CL, Luhrmann R
Title
The spliceosome: design principles of a dynamic RNP machine.
Journal
Reference
Authors
Morris DP, Greenleaf AL
Title
The splicing factor, Prp40, binds the phosphorylated carboxyl-terminal domain of RNA polymerase II.
Journal
Reference
Authors
Chen YI, Moore RE, Ge HY, Young MK, Lee TD, Stevens SW
Title
Proteomic analysis of in vivo-assembled pre-mRNA splicing complexes expands the catalog of participating factors.
Journal
Reference
Authors
Ritchie DB, Schellenberg MJ, MacMillan AM
Title
Spliceosome structure: piece by piece.
Journal
KO pathway
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