Entry
Name
Spliceosome - Bos taurus (cow)
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
Bos taurus (cow) [GN:
bta ]
Gene
506405 DHX16; pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16 [KO:K12813 ] [EC:5.6.2.6 ]
520046 DHX38; pre-mRNA-splicing factor ATP-dependent RNA helicase PRP16 [KO:K12815 ] [EC:5.6.2.6 ]
613304 SNRPB; small nuclear ribonucleoprotein-associated protein B' [KO:K11086 ]
508788 SNRPD1; small nuclear ribonucleoprotein Sm D1 [KO:K11087 ]
514932 SNRPD2; small nuclear ribonucleoprotein Sm D2 [KO:K11096 ]
617823 SNRPD3; small nuclear ribonucleoprotein Sm D3 [KO:K11088 ]
535113 SNRNP70; U1 small nuclear ribonucleoprotein 70 kDa [KO:K11093 ]
509802 SNRPA; U1 small nuclear ribonucleoprotein A [KO:K11091 ]
614553 SNRPC; U1 small nuclear ribonucleoprotein C [KO:K11095 ]
513782 PRPF40B; pre-mRNA-processing factor 40 homolog B isoform X7 [KO:K12821 ]
100301114 PRPF40A; pre-mRNA-processing factor 40 homolog A isoform X6 [KO:K12821 ]
540964 TCERG1; transcription elongation regulator 1 isoform X8 [KO:K12824 ]
512584 SNRPA1; U2 small nuclear ribonucleoprotein A' [KO:K11092 ]
767873 SNRPB2; U2 small nuclear ribonucleoprotein B'' [KO:K11094 ]
782673 LOW QUALITY PROTEIN: splicing factor 3B subunit 4-like [KO:K12831 ]
507180 PHF5A; PHD finger-like domain-containing protein 5A [KO:K12834 ]
512680 U2AF1; splicing factor U2AF 35 kDa subunit [KO:K12836 ]
615198 U2AF1L4; splicing factor U2AF 26 kDa subunit [KO:K12836 ]
507895 U2AF2; splicing factor U2AF 65 kDa subunit [KO:K12837 ]
512824 PUF60; poly(U)-binding-splicing factor PUF60 isoform 3 [KO:K12838 ]
520500 SMNDC1; survival of motor neuron-related-splicing factor 30 [KO:K12839 ]
525110 CHERP; calcium homeostasis endoplasmic reticulum protein [KO:K12841 ]
505019 U2SURP; U2 snRNP-associated SURP motif-containing protein isoform X1 [KO:K12842 ]
615312 RP9; retinitis pigmentosa 9 protein isoform X1 [KO:K19604 ]
538662 LSM2; U6 snRNA-associated Sm-like protein LSm2 [KO:K12621 ]
614759 LSM3; U6 snRNA-associated Sm-like protein LSm3 [KO:K12622 ]
613634 LSM4; U6 snRNA-associated Sm-like protein LSm4 [KO:K12623 ]
615136 LSM5; U6 snRNA-associated Sm-like protein LSm5 [KO:K12624 ]
615916 LSM6; U6 snRNA-associated Sm-like protein LSm6 [KO:K12625 ]
509920 LSM7; U6 snRNA-associated Sm-like protein LSm7 [KO:K12626 ]
613630 LSM8; LSM8 homolog, U6 small nuclear RNA associated [KO:K12627 ]
510322 PRPF3; U4/U6 small nuclear ribonucleoprotein Prp3 [KO:K12843 ]
508735 PRPF4; U4/U6 small nuclear ribonucleoprotein Prp4 [KO:K12662 ]
513577 PRPF31; U4/U6 small nuclear ribonucleoprotein Prp31 [KO:K12844 ]
790677 SNRNP27; U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein [KO:K12846 ]
532985 USP39; U4/U6.U5 tri-snRNP-associated protein 2 [KO:K12847 ]
615704 SART1; U4/U6.U5 tri-snRNP-associated protein 1 [KO:K11984 ]
509425 EFTUD2; 116 kDa U5 small nuclear ribonucleoprotein component [KO:K12852 ]
507371 PRPF8; pre-mRNA-processing-splicing factor 8 [KO:K12856 ]
534645 SNRNP40; U5 small nuclear ribonucleoprotein 40 kDa protein [KO:K12857 ]
767817 CDC5L; cell division cycle 5-like protein [KO:K12860 ]
535258 CWC15; spliceosome-associated protein CWC15 homolog [KO:K12863 ]
783414 ISY1; pre-mRNA-splicing factor ISY1 homolog [KO:K12870 ]
617519 CCDC12; coiled-coil domain-containing protein 12 [KO:K12871 ]
534600 ACIN1; apoptotic chromatin condensation inducer in the nucleus isoform X1 [KO:K12875 ]
100124428 NCBP1; nuclear cap-binding protein subunit 1 isoform X1 [KO:K12882 ]
510872 NCBP2; nuclear cap-binding protein subunit 2 [KO:K12883 ]
107132038 NCBP2L; LOW QUALITY PROTEIN: nuclear cap-binding protein subunit 2-like [KO:K12883 ]
782669 HNRNPA3; heterogeneous nuclear ribonucleoprotein A3 [KO:K12741 ]
505093 HNRNPA1; heterogeneous nuclear ribonucleoprotein A1 [KO:K12741 ]
785761 heterogeneous nuclear ribonucleoprotein A1 [KO:K12741 ]
614922 heterogeneous nuclear ribonucleoprotein A1-like [KO:K12741 ]
785445 heterogeneous nuclear ribonucleoprotein A1-like [KO:K12741 ]
101902221 LOW QUALITY PROTEIN: heterogeneous nuclear ribonucleoprotein A3-like [KO:K12741 ]
781499 LOW QUALITY PROTEIN: heterogeneous nuclear ribonucleoprotein A3-like [KO:K12741 ]
615271 LOW QUALITY PROTEIN: heterogeneous nuclear ribonucleoprotein A3-like [KO:K12741 ]
510852 HNRNPC; heterogeneous nuclear ribonucleoproteins C1/C2 [KO:K12884 ]
509591 RBMX; RNA-binding motif protein, X chromosome [KO:K12885 ]
528135 HNRNPK; heterogeneous nuclear ribonucleoprotein K [KO:K12886 ]
786726 LOW QUALITY PROTEIN: heterogeneous nuclear ribonucleoprotein K-like [KO:K12886 ]
515290 HNRNPM; heterogeneous nuclear ribonucleoprotein M [KO:K12887 ]
539950 HNRNPU; heterogeneous nuclear ribonucleoprotein U [KO:K12888 ]
615796 SRSF1; serine/arginine-rich splicing factor 1 [KO:K12890 ]
508312 SRSF2; serine/arginine-rich splicing factor 2 [KO:K12891 ]
540276 SRSF3; serine/arginine-rich splicing factor 3 [KO:K12892 ]
614310 SRSF4; serine/arginine-rich splicing factor 4 [KO:K12893 ]
510474 SRSF5; serine/arginine-rich splicing factor 5 [KO:K12893 ]
507828 SRSF6; serine/arginine-rich splicing factor 6 [KO:K12893 ]
507066 SRSF7; serine/arginine-rich splicing factor 7 [KO:K12896 ]
509905 SRSF9; serine/arginine-rich splicing factor 9 [KO:K21123 ]
534586 TRA2A; transformer-2 protein homolog alpha [KO:K12897 ]
615156 TRA2B; transformer-2 protein homolog beta [KO:K12897 ]
768310 SRSF10; serine/arginine-rich splicing factor 10 [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
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