CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

mago-nashi homolog, proliferation-associated (Drosophila); Component of a splicing-dependent multiprotein exon junction complex (EJC) deposited at splice junction on mRNAs. The EJC is a dynamic structure consisting of a few core proteins and several more peripheral nuclear and cytoplasmic associated factors that join the complex only transiently either during EJC assembly or during subsequent mRNA metabolism. Core components of the EJC, that remains bound to spliced mRNAs throughout all stages of mRNA metabolism, functions to mark the position of the exon-exon junction in the mature mR [...]

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

pleiotropic regulator 1; Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing (By similarity)

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

PRP19/PSO4 pre-mRNA processing factor 19 homolog (S. cerevisiae); Plays a role in DNA double-strand break (DSB) repair. Binds double-stranded DNA in a sequence-nonspecific manner. Acts as a structural component of the nuclear framework. May also serve as a support for spliceosome binding and activity. Essential for spliceosome assembly in a oligomerization-dependent manner and might also be important for spliceosome stability. May have E3 ubiquitin ligase activity. The PSO4 complex is required in the DNA interstrand cross-links (ICLs) repair process. Component of the PRP19-CDC5L comple [...]

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

PRP8 pre-mRNA processing factor 8 homolog (S. cerevisiae); 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. 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 the 5’ and the 3’ splice site

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

squamous cell carcinoma antigen recognized by T cells; 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

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

splicing factor 3a, subunit 1, 120kDa; Subunit of the splicing factor SF3A 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

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

splicing factor 3a, subunit 2, 66kDa; Subunit of the splicing factor SF3A 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

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

splicing factor 3a, subunit 3, 60kDa; Subunit of the splicing factor SF3A 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

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

splicing factor 3b, subunit 1, 155kDa; Subunit of the splicing factor SF3B 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-mRNA intron

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

splicing factor 3b, subunit 2, 145kDa; Subunit of the splicing factor SF3B 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-mRNA intron

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

splicing factor 3b, subunit 3, 130kDa; Subunit of the splicing factor SF3B 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-mRNA intron

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

small nuclear ribonucleoprotein polypeptide A’; This protein is associated with sn-RNP U2. It helps the A’ protein to bind stem loop IV of U2 snRNA

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

small nuclear ribonucleoprotein D1 polypeptide 16kDa; May act as a charged protein scaffold to promote snRNP assembly or strengthen snRNP-snRNP interactions through nonspecific electrostatic contacts with RNA

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

small nuclear ribonucleoprotein polypeptide F; Appears to function in the U7 snRNP complex that is involved in histone 3’-end processing. Associated with snRNP U1, U2, U4/U6 and U5

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

ubiquitin C

CDC5 cell division cycle 5-like (S. pombe); DNA-binding protein involved in cell cycle control. May act as a transcription activator. Component of the PRP19-CDC5L complex that forms an integral part of the spliceosome and is required for activating pre-mRNA splicing

XPA binding protein 2; Involved in transcription-coupled repair (TCR), transcription and pre-mRNA splicing

cleavage and polyadenylation factor I subunit 1; Polynucleotide kinase that can phosphorylate the 5’- hydroxyl groups of double-stranded RNA (dsRNA), single-stranded RNA (ssRNA), double stranded DNA (dsDNA) and double-stranded DNA-RNA hybrids. dsRNA is phosphorylated more efficiently than dsDNA, and the RNA component of a DNA-RNA hybrid is phosphorylated more efficiently than the DNA component. Appears to have roles in both tRNA splicing and mRNA 3’-end formation. Component of the tRNA splicing endonuclease complex. Phosphorylates the 5’-terminus of the tRNA 3’-exon during tRNA splicin [...]

cleavage and polyadenylation specific factor 2, 100kDa; Component of the cleavage and polyadenylation specificity factor (CPSF) complex that play a key role in pre-mRNA 3’-end formation, recognizing the AAUAAA signal sequence and interacting with poly(A) polymerase and other factors to bring about cleavage and poly(A) addition. Involved in the histone 3’ end pre-mRNA processing

cleavage and polyadenylation factor I subunit 1; Polynucleotide kinase that can phosphorylate the 5’- hydroxyl groups of double-stranded RNA (dsRNA), single-stranded RNA (ssRNA), double stranded DNA (dsDNA) and double-stranded DNA-RNA hybrids. dsRNA is phosphorylated more efficiently than dsDNA, and the RNA component of a DNA-RNA hybrid is phosphorylated more efficiently than the DNA component. Appears to have roles in both tRNA splicing and mRNA 3’-end formation. Component of the tRNA splicing endonuclease complex. Phosphorylates the 5’-terminus of the tRNA 3’-exon during tRNA splicin [...]

cleavage stimulation factor, 3’ pre-RNA, subunit 2, 64kDa; One of the multiple factors required for polyadenylation and 3’-end cleavage of mammalian pre-mRNAs. This subunit is directly involved in the binding to pre-mRNAs (By similarity)

cleavage and polyadenylation factor I subunit 1; Polynucleotide kinase that can phosphorylate the 5’- hydroxyl groups of double-stranded RNA (dsRNA), single-stranded RNA (ssRNA), double stranded DNA (dsDNA) and double-stranded DNA-RNA hybrids. dsRNA is phosphorylated more efficiently than dsDNA, and the RNA component of a DNA-RNA hybrid is phosphorylated more efficiently than the DNA component. Appears to have roles in both tRNA splicing and mRNA 3’-end formation. Component of the tRNA splicing endonuclease complex. Phosphorylates the 5’-terminus of the tRNA 3’-exon during tRNA splicin [...]

general transcription factor IIF, polypeptide 1, 74kDa; TFIIF is a general transcription initiation factor that binds to RNA polymerase II and helps to recruit it to the initiation complex in collaboration with TFIIB. It promotes transcription elongation

cleavage and polyadenylation factor I subunit 1; Polynucleotide kinase that can phosphorylate the 5’- hydroxyl groups of double-stranded RNA (dsRNA), single-stranded RNA (ssRNA), double stranded DNA (dsDNA) and double-stranded DNA-RNA hybrids. dsRNA is phosphorylated more efficiently than dsDNA, and the RNA component of a DNA-RNA hybrid is phosphorylated more efficiently than the DNA component. Appears to have roles in both tRNA splicing and mRNA 3’-end formation. Component of the tRNA splicing endonuclease complex. Phosphorylates the 5’-terminus of the tRNA 3’-exon during tRNA splicin [...]

heterogeneous nuclear ribonucleoprotein U-like 1