Entry
Name
Spliceosome - Pyrus x bretschneideri (Chinese white pear)
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
Pyrus x bretschneideri (Chinese white pear) [GN:
pxb ]
Gene
103947359 LOW QUALITY PROTEIN: pre-mRNA-splicing factor ATP-dependent RNA helicase DEAH10 [KO:K12818 ] [EC:5.6.2.6 ]
103953113 probable pre-mRNA-splicing factor ATP-dependent RNA helicase DEAH2 isoform X1 [KO:K12820 ] [EC:5.6.2.6 ]
103956871 probable pre-mRNA-splicing factor ATP-dependent RNA helicase DEAH2 isoform X1 [KO:K12820 ] [EC:5.6.2.6 ]
103952971 small nuclear ribonucleoprotein-associated protein B' [KO:K11086 ]
103963179 probable small nuclear ribonucleoprotein Sm D2 isoform X2 [KO:K11096 ]
103947502 U1 small nuclear ribonucleoprotein 70 kDa-like isoform X1 [KO:K11093 ]
103960816 U1 small nuclear ribonucleoprotein 70 kDa-like isoform X1 [KO:K11093 ]
103928081 LOW QUALITY PROTEIN: pre-mRNA-processing protein 40B-like [KO:K12821 ]
103945404 transcription initiation factor TFIID subunit 15b-like isoform X1 [KO:K13098 ]
103958964 transcription initiation factor TFIID subunit 15b-like isoform X1 [KO:K13098 ]
103927772 LOW QUALITY PROTEIN: splicing factor 3B subunit 1-like [KO:K12828 ]
103946409 survival of motor neuron-related-splicing factor 30-like isoform X1 [KO:K12839 ]
103933409 survival of motor neuron-related-splicing factor 30-like isoform X1 [KO:K12839 ]
103936289 DNA-damage-repair/toleration protein DRT111, chloroplastic-like [KO:K12840 ]
103952381 DNA-damage-repair/toleration protein DRT111, chloroplastic-like [KO:K12840 ]
103928586 U4/U6 small nuclear ribonucleoprotein Prp3-like isoform X1 [KO:K12843 ]
103938672 U4/U6 small nuclear ribonucleoprotein PRP4-like protein [KO:K12662 ]
103968011 LOW QUALITY PROTEIN: U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein [KO:K12846 ]
103930765 110 kDa U5 small nuclear ribonucleoprotein component CLO-like [KO:K12852 ]
103949142 110 kDa U5 small nuclear ribonucleoprotein component CLO [KO:K12852 ]
103931072 probable mediator of RNA polymerase II transcription subunit 37e [KO:K03283 ]
103946362 stromal 70 kDa heat shock-related protein, chloroplastic-like [KO:K03283 ]
103945001 stromal 70 kDa heat shock-related protein, chloroplastic [KO:K03283 ]
103963573 probable mediator of RNA polymerase II transcription subunit 37e [KO:K03283 ]
103934089 apoptotic chromatin condensation inducer in the nucleus [KO:K12875 ]
103926971 heterogeneous nuclear ribonucleoprotein A1 isoform X1 [KO:K12741 ]
103930642 glycine-rich RNA-binding protein 4, mitochondrial-like [KO:K12741 ]
103937722 glycine-rich RNA-binding protein 4, mitochondrial-like [KO:K12741 ]
103928430 serine/arginine-rich-splicing factor SR34-like isoform X2 [KO:K12890 ]
103930604 serine/arginine-rich splicing factor SR30-like isoform X2 [KO:K12890 ]
103936417 serine/arginine-rich splicing factor SC35-like isoform X1 [KO:K12891 ]
103935489 serine/arginine-rich splicing factor RS41-like isoform X2 [KO:K12893 ]
103933302 serine/arginine-rich splicing factor RS41-like isoform X1 [KO:K12893 ]
103960525 serine/arginine-rich splicing factor RS41-like isoform X1 [KO:K12893 ]
103953511 serine/arginine-rich splicing factor RSZ21 isoform X1 [KO:K12896 ]
103928594 serine/arginine-rich splicing factor RS2Z32-like isoform X1 [KO:K12896 ]
103944583 serine/arginine-rich splicing factor RSZ22A-like isoform X1 [KO:K12896 ]
103933828 serine/arginine-rich splicing factor RS2Z33-like isoform X1 [KO:K12896 ]
103948340 serine/arginine-rich splicing factor RS2Z32-like isoform X2 [KO:K12896 ]
103963876 serine/arginine-rich splicing factor SR45a-like isoform X1 [KO:K12897 ]
103963882 serine/arginine-rich splicing factor SR45a-like isoform X1 [KO:K12897 ]
103929583 serine/arginine-rich splicing factor SR45a-like isoform X1 [KO:K12897 ]
103953432 serine/arginine-rich splicing factor SR45a-like isoform X1 [KO:K12897 ]
103943597 serine/arginine-rich SC35-like splicing factor SCL28 isoform X1 [KO:K12900 ]
103948428 serine/arginine-rich SC35-like splicing factor SCL30 isoform X1 [KO:K12900 ]
103935469 serine/arginine-rich SC35-like splicing factor SCL30 isoform X1 [KO:K12900 ]
103954043 serine/arginine-rich SC35-like splicing factor SCL30A [KO:K12900 ]
103964431 serine/arginine-rich SC35-like splicing factor SCL30A [KO:K12900 ]
103958536 serine/arginine-rich SC35-like splicing factor SCL28 isoform X1 [KO:K12900 ]
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