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| | Snrnp27 | U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein; May play a role in mRNA splicing; Belongs to the SNUT3 family. (155 aa) |
| | Zmat2 | Zinc finger matrin-type protein 2; Involved in pre-mRNA splicing as a component of the spliceosome. (199 aa) |
| | Crnkl1 | Crooked neck-like protein 1; Involved in pre-mRNA splicing process. (690 aa) |
| | Sf3a1 | Splicing factor 3A subunit 1; Involved in pre-mRNA splicing as a component of the splicing factor SF3A complex that contributes to the assembly of the 17S U2 snRNP, and the subsequent assembly of the pre-spliceosome 'E' complex and the pre-catalytic spliceosome 'A' complex. Involved in pre-mRNA splicing as a component of pre-catalytic spliceosome 'B' complexes. (791 aa) |
| | Prpf6 | Pre-mRNA-processing factor 6; Involved in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex, one of the building blocks of the spliceosome. Enhances dihydrotestosterone-induced transactivation activity of AR, as well as dexamethasone-induced transactivation activity of NR3C1, but does not affect estrogen-induced transactivation. (941 aa) |
| | Snrpd1 | Small nuclear ribonucleoprotein Sm D1; Plays role in pre-mRNA splicing as core component of the SMN- Sm complex that mediates spliceosomal snRNP assembly and as component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome. Component of both the pre-catalytic spliceosome B complex and activated spliceosome C complexes. Is also a component of the minor U12 spliceosome. May act as a charged protein scaffold to promote snRNP assembly or strengthen snRNP-snRNP interactions through non-specific electrostatic contacts with RNA. (119 aa) |
| | Fam32a | Protein FAM32A; May induce G2 arrest and apoptosis (By similarity). May also increase cell sensitivity to apoptotic stimuli (By similarity). In cell lines, may play a role in the inhibition of anchor-independent cell growth. (112 aa) |
| | Ddx23 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 23. (819 aa) |
| | Cwc15 | Spliceosome-associated protein CWC15 homolog; Involved in pre-mRNA splicing as component of the spliceosome. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre- mRNA splicing. (229 aa) |
| | Bcas2 | Pre-mRNA-splicing factor SPF27; Required for pre-mRNA splicing as component of the activated spliceosome. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre- mRNA splicing. May have a scaffolding role in the spliceosome assembly as it contacts all other components of the core complex. The PRP19- CDC5L complex may also play a role in the response to DNA damage (DDR). (225 aa) |
| | Ik | Protein Red; Involved in pre-mRNA splicing as a component of the spliceosome. Auxiliary spliceosomal protein that regulates selection of alternative splice sites in a small set of target pre-mRNA species. Required for normal mitotic cell cycle progression. Recruits MAD1L1 and MAD2L1 to kinetochores, and is required to trigger the spindle assembly checkpoint. Required for normal accumulation of SMU1. (557 aa) |
| | Lsm2 | U6 snRNA-associated Sm-like protein LSm2; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). The heptameric LSM2-8 complex binds specifically to the 3'-terminal U-tract of U6 snRNA. (131 aa) |
| | Snrpb2 | U2 small nuclear ribonucleoprotein B'; Involved in pre-mRNA splicing as component of the spliceosome. Associated with sn-RNP U2, where it contributes to the binding of stem loop IV of U2 snRNA. (225 aa) |
| | Prpf31 | U4/U6 small nuclear ribonucleoprotein Prp31; Involved in pre-mRNA splicing as component of the spliceosome. Required for the assembly of the U4/U5/U6 tri-snRNP complex, one of the building blocks of the spliceosome. (499 aa) |
| | Zmat5 | Zinc finger matrin-type protein 5. (170 aa) |
| | Prpf3 | U4/U6 small nuclear ribonucleoprotein Prp3; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). (683 aa) |
| | Ppil4 | Peptidyl-prolyl cis-trans isomerase-like 4; PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides (By similarity). (492 aa) |
| | Prpf8 | Pre-mRNA-processing-splicing factor 8; Plays role in pre-mRNA splicing as core component of precatalytic, catalytic and postcatalytic spliceosomal complexes, both of the predominant U2-type spliceosome and the minor U12-type spliceosome. Functions as a scaffold that mediates the ordered assembly of spliceosomal proteins and snRNAs. Required for the assembly of the U4/U6-U5 tri-snRNP complex, a building block of the spliceosome. Functions as scaffold that positions spliceosomal U2, U5 and U6 snRNAs at splice sites on pre-mRNA substrates, so that splicing can occur. Interacts with both t [...] (2335 aa) |
| | Cwc25 | Pre-mRNA-splicing factor CWC25 homolog; Involved in pre-mRNA splicing as component of the spliceosome; Belongs to the CWC25 family. (416 aa) |
| | Xab2 | Pre-mRNA-splicing factor SYF1; Involved in pre-mRNA splicing as component of the spliceosome. Involved in transcription-coupled repair (TCR), transcription and pre-mRNA splicing; Belongs to the crooked-neck family. (855 aa) |
| | Ccdc12 | Coiled-coil domain-containing protein 12. (166 aa) |
| | Snrpf | Small nuclear ribonucleoprotein F; Plays role in pre-mRNA splicing as core component of the SMN- Sm complex that mediates spliceosomal snRNP assembly and as component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome. Component of both the pre-catalytic spliceosome B complex and activated spliceosome C complexes. Is also a component of the minor U12 spliceosome. As part of the U7 snRNP it is involved in histone 3'-end processing. (86 aa) |
| | Snrpd3 | Small nuclear ribonucleoprotein Sm D3; Plays role in pre-mRNA splicing as core component of the SMN- Sm complex that mediates spliceosomal snRNP assembly and as component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome. Component of both the pre-catalytic spliceosome B complex and activated spliceosome C complexes. Is also a component of the minor U12 spliceosome (By similarity). As part of the U7 snRNP it is involved in histone pre-mRNA 3'-end processing. (126 aa) |
| | Slu7 | Pre-mRNA-splicing factor SLU7; Required for pre-mRNA splicing as component of the spliceosome. Participates in the second catalytic step of pre-mRNA splicing, when the free hydroxyl group of exon I attacks the 3'-splice site to generate spliced mRNA and the excised lariat intron. Required for holding exon 1 properly in the spliceosome and for correct AG identification when more than one possible AG exists in 3'-splicing site region. May be involved in the activation of proximal AG. Probably also involved in alternative splicing regulation. Belongs to the SLU7 family. (585 aa) |
| | Ddx42 | ATP-dependent RNA helicase DDX42; ATP-dependent RNA helicase. Binds to partially double- stranded RNAs (dsRNAs) in order to unwind RNA secondary structures. Unwinding is promoted in the presence of single-strand binding proteins. Mediates also RNA duplex formation thereby displacing the single-strand RNA binding protein. ATP and ADP modulate its activity: ATP binding and hydrolysis by DDX42 triggers RNA strand separation, whereas the ADP-bound form of the protein triggers annealing of complementary RNA strands. Involved in the survival of cells by interacting with TP53BP2 and thereby c [...] (929 aa) |
| | Luc7l3 | Luc7-like protein 3; Binds cAMP regulatory element DNA sequence. May play a role in RNA splicing (By similarity); Belongs to the Luc7 family. (491 aa) |
| | Eftud2 | 116 kDa U5 small nuclear ribonucleoprotein component; Required for pre-mRNA splicing as component of the spliceosome, including pre-catalytic, catalytic and post-catalytic spliceosomal complexes (By similarity). Component of the U5 snRNP and the U4/U6-U5 tri-snRNP complex, a building block of the spliceosome (By similarity). (972 aa) |
| | Snw1 | SNW domain-containing protein 1; Involved in pre-mRNA splicing as component of the spliceosome. Is required in the specific splicing of CDKN1A pre-mRNA; the function probably involves the recruitment of U2AF2 to the mRNA. Is proposed to recruit PPIL1 to the spliceosome. May be involved in cyclin-D1/CCND1 mRNA stability through the SNARP complex which associates with both the 3'end of the CCND1 gene and its mRNA. Involved in transcriptional regulation. Modulates TGF-beta-mediated transcription via association with SMAD proteins, MYOD1-mediated transcription via association with PABPN1, [...] (536 aa) |
| | Ppwd1 | Peptidylprolyl isomerase domain and WD repeat-containing protein 1; PPIase that catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides and may therefore assist protein folding. May be involved in pre-mRNA splicing. (646 aa) |
| | Cwc27 | Spliceosome-associated protein CWC27 homolog; As part of the spliceosome, plays a role in pre-mRNA splicing. Probable inactive PPIase with no peptidyl-prolyl cis-trans isomerase activity; Belongs to the cyclophilin-type PPIase family. (469 aa) |
| | Wbp4 | WW domain-binding protein 4; Involved in pre-mRNA splicing as a component of the spliceosome. May play a role in cross-intron bridging of U1 and U2 snRNPs in the mammalian A complex. (376 aa) |
| | Phf5a | PHD finger-like domain-containing protein 5A; Involved with the PAF1 complex (PAF1C) in transcriptional elongation by RNA polymerase II, and in regulation of development and maintenance of embryonic stem cell (ESC) pluripotency. Required for maintenance of ESCs self-renewal and cellular reprogramming of stem cells. Maintains pluripotency by recruiting and stabilizing PAF1C on pluripotency genes loci, and by regulating the expression of the pluripotency genes. Regulates the deposition of elongation-associated histone modifications, including dimethylated histone H3 'Lys-79' (H3K79me2) a [...] (110 aa) |
| | Cdc5l | Cell division cycle 5-like protein; DNA-binding protein involved in cell cycle control. May act as a transcription activator. Plays role in pre-mRNA splicing as core component of precatalytic, catalytic and postcatalytic spliceosomal complexes. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing. The PRP19-CDC5L complex may also play a role in the response to DNA damage (DDR); Belongs to the CEF1 family. (802 aa) |
| | Ppil1 | Peptidyl-prolyl cis-trans isomerase-like 1; Involved in pre-mRNA splicing as component of the spliceosome. PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides. (166 aa) |
| | Dhx16 | DEAH (Asp-Glu-Ala-His) box polypeptide 16. (1044 aa) |
| | Rbm22 | Pre-mRNA-splicing factor RBM22; Required for pre-mRNA splicing as component of the activated spliceosome. Involved in the first step of pre-mRNA splicing. Binds directly to the internal stem-loop (ISL) domain of the U6 snRNA and to the pre-mRNA intron near the 5' splice site during the activation and catalytic phases of the spliceosome cycle. Involved in both translocations of the nuclear SLU7 to the cytoplasm and the cytosolic calcium-binding protein PDCD6 to the nucleus upon cellular stress responses; Belongs to the SLT11 family. (420 aa) |
| | Sf3b2 | Splicing factor 3b, subunit 2. (878 aa) |
| | Cwf19l2 | CWF19-like protein 2. (887 aa) |
| | Sf3b1 | Splicing factor 3B subunit 1; Involved in pre-mRNA splicing as a component of the splicing factor SF3B complex. SF3B complex is required for 'A' complex assembly formed by the stable binding of U2 snRNP to the branchpoint sequence (BPS) in pre-mRNA. Sequence independent binding of SF3A/SF3B complex upstream of the branch site is essential, it may anchor U2 snRNP to the pre-mRNA. Together with other U2 snRNP complex components may also play a role in the selective processing of microRNAs (miRNAs) from the long primary miRNA transcript, pri-miR-17-92. May also be involved in the assembly [...] (1304 aa) |
| | Ctnnbl1 | Beta-catenin-like protein 1; Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing. May induce apoptosis (By similarity). Participates in AID/AICDA-mediated Ig class switching recombination (CSR). (563 aa) |
| | Pnisr | Arginine/serine-rich protein PNISR; Belongs to the splicing factor SR family. (814 aa) |
| | Smu1 | WD40 repeat-containing protein SMU1, N-terminally processed; Involved in pre-mRNA splicing as a component of the spliceosome (By similarity). Regulates alternative splicing of the HSPG2 pre-mRNA (By similarity). Required for normal accumulation of IK (By similarity). Required for normal mitotic spindle assembly and normal progress through mitosis (By similarity). Belongs to the WD repeat SMU1 family. (513 aa) |
| | Syf2 | Pre-mRNA-splicing factor SYF2; Involved in pre-mRNA splicing as component of the spliceosome; Belongs to the SYF2 family. (242 aa) |
| | Sf3a3 | Splicing factor 3A subunit 3; Involved in pre-mRNA splicing as a component of the splicing factor SF3A complex that contributes to the assembly of the 17S U2 snRNP, and the subsequent assembly of the pre-spliceosome 'E' complex and the pre-catalytic spliceosome 'A' complex. Involved in pre-mRNA splicing as a component of pre-catalytic spliceosome 'B' complexes. (501 aa) |
| | Rbmx2 | RNA-binding motif protein, X-linked 2; Involved in pre-mRNA splicing as component of the activated spliceosome. (326 aa) |
| | Txnl4b | Thioredoxin-like protein 4B; Essential role in pre-mRNA splicing. Required in cell cycle progression for S/G(2) transition (By similarity). (149 aa) |
| | Lsm4 | U6 snRNA-associated Sm-like protein LSm4; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). The heptameric LSM2-8 complex binds specifically to the 3'-terminal U-tract of U6 snRNA. (138 aa) |
| | Pdcd7 | Programmed cell death protein 7; Promotes apoptosis when overexpressed. (484 aa) |
| | Wdr25 | WD repeat-containing protein 25. (535 aa) |
| | Dhx8 | ATP-dependent RNA helicase DHX8; Involved in pre-mRNA splicing as component of the spliceosome. Facilitates nuclear export of spliced mRNA by releasing the RNA from the spliceosome. (1244 aa) |
| | Snrpd2 | Small nuclear ribonucleoprotein Sm D2; Plays role in pre-mRNA splicing as core component of the SMN- Sm complex that mediates spliceosomal snRNP assembly and as component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome. Component of both the pre-catalytic spliceosome B complex and activated spliceosome C complexes. Is also a component of the minor U12 spliceosome. (118 aa) |
| | Sde2 | Replication stress response regulator SDE2; Involved in both DNA replication and cell cycle control. Unprocessed SDE2 interacts with PCNA via its PIP-box. The interaction with PCNA prevents monoubiquitination of the latter thereby inhibiting translesion DNA synthesis. The binding of SDE2 to PCNA also leads to processing of SDE2 by an unidentified deubiquitinating enzyme, cleaving off the N-terminal ubiquitin-like domain. The resulting mature SDE2 is degraded by the DCX(DTL) complex in a cell cycle- and DNA damage dependent manner. Binding of SDE2 to PCNA is necessary to counteract dama [...] (448 aa) |
| | Arglu1 | Arginine and glutamate-rich protein 1. (271 aa) |
| | Rbm42 | RNA-binding protein 42; Binds (via the RRM domain) to the 3'-untranslated region (UTR) of CDKN1A mRNA. (478 aa) |
| | Lsm1 | U6 snRNA-associated Sm-like protein LSm1; Plays a role in the degradation of histone mRNAs, the only eukaryotic mRNAs that are not polyadenylated (By similarity). Probably also part of an LSm subunits-containing complex involved in the general process of mRNA degradation (By similarity). Belongs to the snRNP Sm proteins family. (133 aa) |
| | Prpf18 | Pre-mRNA-splicing factor 18; Participates in the second step of pre-mRNA splicing. (342 aa) |
| | Rnf113a1 | Ring finger protein 113A1. (341 aa) |
| | Sf3b6 | Splicing factor 3B subunit 6; Involved in pre-mRNA splicing as a component of the splicing factor SF3B complex. SF3B complex is required for 'A' complex assembly formed by the stable binding of U2 snRNP to the branchpoint sequence (BPS) in pre-mRNA. Directly contacts the pre-mRNA branch site adenosine for the first catalytic step of splicing. Enters the spliceosome and associates with the pre-mRNA branch site as part of the 17S U2 or, in the case of the minor spliceosome, as part of the 18S U11/U12 snRNP complex, and thus may facilitate the interaction of these snRNP with the branch si [...] (125 aa) |
| | Lsm3 | U6 snRNA-associated Sm-like protein LSm3; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). The heptameric LSM2-8 complex binds specifically to the 3'-terminal U-tract of U6 snRNA. (102 aa) |
| | Cdc40 | Pre-mRNA-processing factor 17; Required for pre-mRNA splicing as component of the activated spliceosome. (579 aa) |
| | Lsm7 | U6 snRNA-associated Sm-like protein LSm7; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). The heptameric LSM2-8 complex binds specifically to the 3'-terminal U-tract of U6 snRNA. (103 aa) |
| | Sf3b3 | Splicing factor 3B subunit 3; Involved in pre-mRNA splicing as a component of the splicing factor SF3B complex, a constituent of the spliceosome. SF3B complex is required for 'A' complex assembly formed by the stable binding of U2 snRNP to the branchpoint sequence (BPS) in pre-mRNA. Sequence independent binding of SF3A/SF3B complex upstream of the branch site is essential, it may anchor U2 snRNP to the pre-mRNA. May also be involved in the assembly of the 'E' complex. Belongs also to the minor U12- dependent spliceosome, which is involved in the splicing of rare class of nuclear pre-mR [...] (1217 aa) |
| | Snrnp25 | U11/U12 small nuclear ribonucleoprotein 25 kDa protein. (123 aa) |
| | Aqr | RNA helicase aquarius; Involved in pre-mRNA splicing as component of the spliceosome. Intron-binding spliceosomal protein required to link pre- mRNA splicing and snoRNP (small nucleolar ribonucleoprotein) biogenesis. Plays a key role in position-dependent assembly of intron- encoded box C/D small snoRNP, splicing being required for snoRNP assembly. May act by helping the folding of the snoRNA sequence. Binds to intron of pre-mRNAs in a sequence-independent manner, contacting the region between snoRNA and the branchpoint of introns (40 nucleotides upstream of the branchpoint) during the [...] (1481 aa) |
| | Sart1 | U4/U6.U5 tri-snRNP-associated protein 1; Plays a role in mRNA splicing as a component of the U4/U6-U5 tri-snRNP, one of the building blocks of the spliceosome. May also bind to DNA. Appears to play a role in hypoxia-induced regulation of EPO gene expression; Belongs to the SNU66/SART1 family. (806 aa) |
| | Dhx38 | DEAH (Asp-Glu-Ala-His) box polypeptide 38. (1228 aa) |
| | Rbm25 | RNA-binding protein 25; RNA-binding protein that acts as a regulator of alternative pre-mRNA splicing. Involved in apoptotic cell death through the regulation of the apoptotic factor BCL2L1 isoform expression. Modulates the ratio of proapoptotic BCL2L1 isoform S to antiapoptotic BCL2L1 isoform L mRNA expression. When overexpressed, stimulates proapoptotic BCL2L1 isoform S 5'-splice site (5'-ss) selection, whereas its depletion caused the accumulation of antiapoptotic BCL2L1 isoform L. Promotes BCL2L1 isoform S 5'-ss usage through the 5'-CGGGCA-3' RNA sequence. Its association with LUC7 [...] (838 aa) |
| | Mfap1b | Microfibrillar-associated protein 1A; Involved in pre-mRNA splicing as a component of the spliceosome. (439 aa) |
| | Luc7l2 | Putative RNA-binding protein Luc7-like 2; May bind to RNA via its Arg/Ser-rich domain. (392 aa) |
| | Lsm8 | U6 snRNA-associated Sm-like protein LSm8; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). The heptameric LSM2-8 complex binds specifically to the 3'-terminal U-tract of U6 snRNA. (96 aa) |
| | Cactin | Cactin; Involved in the regulation of innate immune response (By similarity). Acts as negative regulator of Toll-like receptor, interferon-regulatory factor (IRF) and canonical NF-kappa-B signaling pathways (By similarity). Contributes to the regulation of transcriptional activation of NF-kappa-B target genes in response to endogenous proinflammatory stimuli (By similarity). Belongs to the CACTIN family. (772 aa) |
| | Snip1 | Smad nuclear-interacting protein 1; Required for pre-mRNA splicing as component of the spliceosome. Down-regulates NF-kappa-B signaling by competing with RELA for CREBBP/EP300 binding. Involved in the microRNA (miRNA) biogenesis. May be involved in cyclin-D1/CCND1 mRNA stability through the SNARP complex which associates with both the 3'end of the CCND1 gene and its mRNA. (383 aa) |
| | Usp39 | U4/U6.U5 tri-snRNP-associated protein 2; Plays a role in pre-mRNA splicing as a component of the U4/U6-U5 tri-snRNP, one of the building blocks of the precatalytic spliceosome. Regulates AURKB mRNA levels, and thereby plays a role in cytokinesis and in the spindle checkpoint. Does not have ubiquitin- specific peptidase activity. (564 aa) |
| | Cwc22 | Pre-mRNA-splicing factor CWC22 homolog; Required for pre-mRNA splicing as component of the spliceosome. Promotes exon-junction complex (EJC) assembly. Hinders EIF4A3 from non-specifically binding RNA and escorts it to the splicing machinery to promote EJC assembly on mature mRNAs. Through its role in EJC assembly, required for nonsense-mediated mRNA decay. Belongs to the CWC22 family. (908 aa) |
| | Snrnp70 | U1 small nuclear ribonucleoprotein 70 kDa; Component of the spliceosomal U1 snRNP, which is essential for recognition of the pre-mRNA 5' splice-site and the subsequent assembly of the spliceosome. SNRNP70 binds to the loop I region of U1- snRNA. (448 aa) |
| | Bud13 | BUD13 homolog; Involved in pre-mRNA splicing as component of the activated spliceosome; Belongs to the CWC26 family. (637 aa) |
| | Zcrb1 | Zinc finger CCHC-type and RNA-binding motif-containing protein 1. (217 aa) |
| | Prpf40a | Pre-mRNA-processing factor 40 homolog A; Binds to WASL/N-WASP and suppresses its translocation from the nucleus to the cytoplasm, thereby inhibiting its cytoplasmic function. Plays a role in the regulation of cell morphology and cytoskeletal organization. Required in the control of cell shape and migration. May play a role in cytokinesis. May be involved in pre-mRNA splicing; Belongs to the PRPF40 family. (953 aa) |
| | Sf3b4 | Splicing factor 3B subunit 4; Involved in pre-mRNA splicing as a component of the splicing factor SF3B complex. SF3B complex is required for 'A' complex assembly formed by the stable binding of U2 snRNP to the branchpoint sequence (BPS) in pre-mRNA. Sequence independent binding of SF3A/SF3B complex upstream of the branch site is essential, it may anchor U2 snRNP to the pre-mRNA. May also be involved in the assembly of the 'E' complex. SF3B4 has been found in complex 'B' and 'C' as well. Belongs also to the minor U12-dependent spliceosome, which is involved in the splicing of rare class [...] (424 aa) |
| | Gpkow | G-patch domain and KOW motifs-containing protein; RNA-binding protein involved in pre-mRNA splicing. Belongs to the MOS2 family. (488 aa) |
| | Prpf4b | Serine/threonine-protein kinase PRP4 homolog; Has a role in pre-mRNA splicing. Phosphorylates SF2/ASF; Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. (1007 aa) |
| | Lrrc51 | Leucine-rich repeat-containing protein 51. (192 aa) |
| | Prpf38a | Pre-mRNA-splicing factor 38A; Involved in pre-mRNA splicing as a component of the spliceosome; Belongs to the PRP38 family. (312 aa) |
| | Snrpa | U1 small nuclear ribonucleoprotein A; Component of the spliceosomal U1 snRNP, which is essential for recognition of the pre-mRNA 5' splice-site and the subsequent assembly of the spliceosome. U1 snRNP is the first snRNP to interact with pre-mRNA. This interaction is required for the subsequent binding of U2 snRNP and the U4/U6/U5 tri-snRNP. SNRPA binds stem loop II of U1 snRNA. In a snRNP-free form (SF-A) may be involved in coupled pre-mRNA splicing and polyadenylation process. May bind preferentially to the 5'-UGCAC-3' motif on RNAs (By similarity). (287 aa) |
| | Prpf4 | U4/U6 small nuclear ribonucleoprotein Prp4; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). (521 aa) |
| | Yju2 | Splicing factor YJU2; Part of the spliceosome which catalyzes two sequential transesterification reactions, first the excision of the non-coding intron from pre-mRNA and then the ligation of the coding exons to form the mature mRNA. Plays a role in stabilizing the structure of the spliceosome catalytic core and docking of the branch helix into the active site, producing 5'-exon and lariat intron-3'-intermediates. May protect cells from TP53-dependent apoptosis upon dsDNA break damage through association with PRP19-CD5L complex. (314 aa) |
| | Srrm2 | Serine/arginine repetitive matrix protein 2; Required for pre-mRNA splicing as component of the spliceosome; Belongs to the CWC21 family. (2607 aa) |
| | Htatsf1 | HIV Tat-specific factor 1 homolog; Functions as a general transcription factor playing a role in the process of transcriptional elongation. May mediate the reciprocal stimulatory effect of splicing on transcriptional elongation (By similarity). (757 aa) |
| | Isy1 | Pre-mRNA-splicing factor ISY1 homolog; Component of the spliceosome C complex required for the selective processing of microRNAs (miRNAs) during embryonic stem cell differentiation. Required for the biogenesis of all miRNAs from the pri-miR-17-92 primary transcript except miR-92a. Only required for the biogenesis of miR-290 and miR-96 from the pri-miR-290-295 and pri-miR-96-183 primary transcripts, respectively. Required during the transition of embryonic stem cells (ESCs) from the naive to primed state. By enhancing miRNA biogenesis, promotes exit of ESCs from the naive state to an in [...] (285 aa) |
| | Snrpg | Small nuclear ribonucleoprotein G; Plays role in pre-mRNA splicing as core component of the SMN- Sm complex that mediates spliceosomal snRNP assembly and as component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome. Component of both the pre-catalytic spliceosome B complex and activated spliceosome C complexes. Is also a component of the minor U12 spliceosome. As part of the U7 snRNP it is involved in histone 3'-end processing. (76 aa) |
| | Mfap1a | Microfibrillar-associated protein 1A. (439 aa) |
| | Snrnp48 | U11/U12 small nuclear ribonucleoprotein 48 kDa protein; Likely involved in U12-type 5' splice site recognition. (337 aa) |
| | Rnpc3 | RNA-binding region-containing protein 3; Participates in pre-mRNA U12-dependent splicing, performed by the minor spliceosome which removes U12-type introns. U12-type introns comprises less than 1% of all non-coding sequences. Binds to the 3'- stem-loop of m(7)G-capped U12 snRNA (By similarity). (514 aa) |
| | Snrpn | Small nuclear ribonucleoprotein-associated protein N; May be involved in tissue-specific alternative RNA processing events. (240 aa) |
| | Gm13691 | Predicted gene 13691. (830 aa) |
| | Gm13697 | Predicted gene 13697. (830 aa) |
| | Gm13695 | Predicted gene 13695. (830 aa) |
| | Snrpb | Small nuclear ribonucleoprotein-associated protein B; Plays role in pre-mRNA splicing as core component of the SMN- Sm complex that mediates spliceosomal snRNP assembly and as component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome (By similarity). Component of both the pre-catalytic spliceosome B complex and activated spliceosome C complexes. Is also a component of the minor U12 spliceosome (By similarity). As part of the U7 snRNP it is involved in histone pre-mRNA 3'-end processing. (231 aa) |
| | Snrnp200 | U5 small nuclear ribonucleoprotein 200 kDa helicase; Plays role in pre-mRNA splicing as core component of precatalytic, catalytic and postcatalytic spliceosomal complexes. Involved in spliceosome assembly, activation and disassembly. Mediates changes in the dynamic network of RNA-RNA interactions in the spliceosome. Catalyzes the ATP-dependent unwinding of U4/U6 RNA duplices, an essential step in the assembly of a catalytically active spliceosome. (2136 aa) |
| | Sf3b5 | Splicing factor 3B subunit 5; Involved in pre-mRNA splicing as a component of the splicing factor SF3B complex, a constituent of the spliceosome. SF3B complex is required for 'A' complex assembly formed by the stable binding of U2 snRNP to the branchpoint sequence (BPS) in pre-mRNA. Sequence independent binding of SF3A/SF3B complex upstream of the branch site is essential, it may anchor U2 snRNP to the pre-mRNA. (86 aa) |
| | Snrnp40 | U5 small nuclear ribonucleoprotein 40 kDa protein; Required for pre-mRNA splicing as component of the activated spliceosome. Component of the U5 small nuclear ribonucleoprotein (snRNP) complex and the U4/U6-U5 tri-snRNP complex, building blocks of the spliceosome. (358 aa) |
| | Ppih | Peptidyl-prolyl cis-trans isomerase H; PPIase that catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides and may therefore assist protein folding. Participates in pre-mRNA splicing. May play a role in the assembly of the U4/U5/U6 tri-snRNP complex, one of the building blocks of the spliceosome. May act as a chaperone. Belongs to the cyclophilin-type PPIase family. PPIase H subfamily. (188 aa) |
| | Snrnp35 | U11/U12 small nuclear ribonucleoprotein 35 kDa protein. (244 aa) |
| | Luc7l | Putative RNA-binding protein Luc7-like 1; May bind to RNA via its Arg/Ser-rich domain; Belongs to the Luc7 family. (371 aa) |
| | Pqbp1 | Polyglutamine-binding protein 1; Intrinsically disordered protein that acts as a scaffold, and which is involved in different processes, such as pre-mRNA splicing, transcription regulation, innate immunity and neuron development (By similarity). Interacts with splicing-related factors via the intrinsically disordered region and regulates alternative splicing of target pre-mRNA species. May suppress the ability of POU3F2 to transactivate the DRD1 gene in a POU3F2 dependent manner (By similarity). Can activate transcription directly or via association with the transcription machinery (By [...] (263 aa) |
| | Wbp11 | WW domain-binding protein 11; Activates pre-mRNA splicing. May inhibit PP1 phosphatase activity. (641 aa) |
| | Ppil3 | Peptidyl-prolyl cis-trans isomerase-like 3; PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides. May be involved in pre-mRNA splicing (By similarity). Belongs to the cyclophilin-type PPIase family. PPIL3 subfamily. (161 aa) |
| | Prpf39 | Pre-mRNA-processing factor 39; Involved in pre-mRNA splicing. (665 aa) |
| | Plrg1 | Pleiotropic regulator 1; Involved in pre-mRNA splicing as component of the spliceosome. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre- mRNA splicing. (513 aa) |
| | Txnl4a | Thioredoxin-like protein 4A; Plays role in pre-mRNA splicing as component of the U5 snRNP and U4/U6-U5 tri-snRNP complexes that are involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). (142 aa) |
| | Srrm3 | Serine/arginine repetitive matrix protein 3; May play a role in regulating breast cancer cell invasiveness. May be involved in RYBP-mediated breast cancer progression; Belongs to the CWC21 family. (648 aa) |
| | Prpf40b | Pre-mRNA-processing factor 40 homolog B; May be involved in pre-mRNA splicing; Belongs to the PRPF40 family. (873 aa) |
| | Sf3a2 | Splicing factor 3A subunit 2; Involved in pre-mRNA splicing as a component of the splicing factor SF3A complex that contributes to the assembly of the 17S U2 snRNP, and the subsequent assembly of the pre-spliceosome 'E' complex and the pre-catalytic spliceosome 'A' complex. Involved in pre-mRNA splicing as a component of pre-catalytic spliceosome 'B' complexes, including the Bact complex. Interacts directly with the duplex formed by U2 snRNA and the intron; Belongs to the SF3A2 family. (485 aa) |
| | Snrpa1 | U2 small nuclear ribonucleoprotein A; Involved in pre-mRNA splicing as component of the spliceosome. Associated with sn-RNP U2, where it contributes to the binding of stem loop IV of U2 snRNA. (255 aa) |
| | Lsm6 | U6 snRNA-associated Sm-like protein LSm6; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). The heptameric LSM2-8 complex binds specifically to the 3'-terminal U-tract of U6 snRNA. Component of LSm protein complexes, which are involved in RNA processing and may function in a chaperone-like manner, facilitating the efficient association of RNA processing factors with their substrates. Component of the cytoplasmic LSM1-LSM7 complex, which is tho [...] (80 aa) |
| | Prkrip1 | PRKR-interacting protein 1; Required for pre-mRNA splicing as component of the spliceosome (By similarity). Binds double-stranded RNA. Inhibits EIF2AK2 kinase activity. (186 aa) |
| | Srrm1 | Serine/arginine repetitive matrix protein 1; Part of pre- and post-splicing multiprotein mRNP complexes. Involved in numerous pre-mRNA processing events. Promotes constitutive and exonic splicing enhancer (ESE)-dependent splicing activation by bridging together sequence-specific (SR family proteins, SFRS4, SFRS5 and TRA2B/SFRS10) and basal snRNP (SNRP70 and SNRPA1) factors of the spliceosome. Stimulates mRNA 3'-end cleavage independently of the formation of an exon junction complex. Binds both pre-mRNA and spliced mRNA 20-25 nt upstream of exon-exon junctions. Binds RNA and DNA with lo [...] (923 aa) |
| | Ubl5 | Ubiquitin-like protein 5. (113 aa) |
| | Bud31 | Protein BUD31 homolog; Involved in the pre-mRNA splicing process. May play a role as regulator of AR transcriptional activity; may increase AR transcriptional activity. (144 aa) |
| | Lsm5 | U6 snRNA-associated Sm-like protein LSm5; Plays role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex). The heptameric LSM2-8 complex binds specifically to the 3'-terminal U-tract of U6 snRNA. (91 aa) |
| | Snrpe | Small nuclear ribonucleoprotein E; Plays role in pre-mRNA splicing as core component of the SMN- Sm complex that mediates spliceosomal snRNP assembly and as component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome. Component of both the pre-catalytic spliceosome B complex and activated spliceosome C complexes. Is also a component of the minor U12 spliceosome. As part of the U7 snRNP it is involved in histone 3'-end processing. May indirectly play a role in hair development. (92 aa) |
| | Cd2bp2 | CD2 antigen cytoplasmic tail-binding protein 2; Involved in pre-mRNA splicing as component of the U5 snRNP complex that is involved in spliceosome assembly. (342 aa) |
| | Ddx46 | Probable ATP-dependent RNA helicase DDX46; Plays an essential role in splicing, either prior to, or during A complex formation. (1032 aa) |
| | Gm13694 | Predicted gene 13694. (830 aa) |
| | Gm13693 | Predicted gene 13693. (830 aa) |
| | Prpf19 | Pre-mRNA-processing factor 19; [Isoform 1]: Ubiquitin-protein ligase which is a core component of several complexes mainly involved in pre-mRNA splicing and DNA repair. Required for pre-mRNA splicing as component of the spliceosome. Core component of the PRP19C/Prp19 complex/NTC/Nineteen complex which is part of the spliceosome and participates in its assembly, its remodeling and is required for its activity. During assembly of the spliceosome, mediates 'Lys-63'-linked polyubiquitination of the U4 spliceosomal protein PRPF3. Ubiquitination of PRPF3 allows its recognition by the U5 comp [...] (523 aa) |
| | Gm13696 | Predicted gene 13696. (830 aa) |
| | Gm13698 | Predicted gene 13698. (830 aa) |
| | BC024978 | cDNA sequence BC024978. (361 aa) |
| | Rbm5 | RNA-binding protein 5; Component of the spliceosome A complex. Regulates alternative splicing of a number of mRNAs. May modulate splice site pairing after recruitment of the U1 and U2 snRNPs to the 5' and 3' splice sites of the intron. May both positively and negatively regulate apoptosis by regulating the alternative splicing of several genes involved in this process, including FAS and CASP2/caspase-2. In the case of FAS, promotes production of a soluble form of FAS that inhibits apoptosis. In the case of CASP2/caspase-2, promotes production of a catalytically active form of CASP2/Cas [...] (815 aa) |
| | Rnf113a2 | Ring finger protein 113A2. (337 aa) |
| | Snurf | SNRPN upstream reading frame protein. (71 aa) |
| | Gm7879 | Peptidyl-prolyl cis-trans isomerase; PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides; Belongs to the cyclophilin-type PPIase family. (177 aa) |
| | Gm45140 | Predicted gene 45140. (118 aa) |
| | Srek1 | Splicing regulatory glutamine/lysine-rich protein 1; Participates in the regulation of alternative splicing by modulating the activity of other splice facors. Inhibits the splicing activity of SFRS1, SFRS2 and SFRS6. Augments the splicing activity of SFRS3 (By similarity); Belongs to the splicing factor SR family. (494 aa) |
| | Gm9044 | Predicted gene 9040. (802 aa) |
| | Gm9049 | Predicted gene 9045. (802 aa) |
| | Gm9040 | Predicted gene 9040. (802 aa) |
| | Gm32802 | Predicted gene, 32717. (802 aa) |
| | Gm9048 | Predicted gene 9048. (802 aa) |
| | Gm32717 | Predicted gene, 32717. (802 aa) |
| | Gm9045 | Predicted gene 9045. (802 aa) |
| | Gm9046 | Predicted gene 9046. (802 aa) |
| | Ppil2 | RING-type E3 ubiquitin-protein ligase PPIL2; Has a ubiquitin-protein ligase activity acting as an E3 ubiquitin protein ligase or as an ubiquitin-ubiquitin ligase promoting elongation of ubiquitin chains on substrates. By mediating 'Lys-48'- linked polyubiquitination of proteins could target them for proteasomal degradation. May also function as a chaperone, playing a role in transport to the cell membrane of BSG/Basigin for instance. Probable inactive PPIase with no peptidyl-prolyl cis-trans isomerase activity. (521 aa) |
| | Snrpc | U1 small nuclear ribonucleoprotein C; Component of the spliceosomal U1 snRNP, which is essential for recognition of the pre-mRNA 5' splice-site and the subsequent assembly of the spliceosome. SNRPC/U1-C is directly involved in initial 5' splice-site recognition for both constitutive and regulated alternative splicing. The interaction with the 5' splice-site seems to precede base-pairing between the pre-mRNA and the U1 snRNA. Stimulates commitment or early (E) complex formation by stabilizing the base pairing of the 5' end of the U1 snRNA and the 5' splice-site region. (159 aa) |
| | Tcerg1 | Transcription elongation regulator 1; Transcription factor that binds RNA polymerase II and inhibits the elongation of transcripts from target promoters. Regulates transcription elongation in a TATA box-dependent manner (By similarity). (1100 aa) |
