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PRPF3
The removal of introns from nuclear pre-mRNAs occurs on complexes called spliceosomes, which are made up of 4 small nuclear ribonucleoprotein (snRNP) particles and an undefined number of transiently associated splicing factors. This gene product is one of several proteins that associate with U4 and U6 snRNPs. Mutations in this gene are associated with retinitis pigmentosa-18. [provided by RefSeq, Jul 2008]
Protein class
Disease related genes, Human disease related genes, Plasma proteins
Predicted location
Intracellular
Single cell type specificity
Low cell type specificity
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Component of the precatalytic spliceosome (spliceosome B complex) (PubMed:28781166). Component of the U4/U6-U5 tri-snRNP complex, a building block of the precatalytic spliceosome (spliceosome B complex) (PubMed:9328476, 9404889, 28781166, 26912367, 17932117). The U4/U6-U5 tri-snRNP complex is composed of the U4, U6 and U5 snRNAs and at least PRPF3, PRPF4, PRPF6, PRPF8, PRPF31, SNRNP200, TXNL4A, SNRNP40, SNRPB, SNRPD1, SNRPD2, SNRPD3, SNRPE, SNRPF, SNRPG, DDX23, CD2BP2, PPIH, SNU13, EFTUD2, SART1 and USP39, plus LSM2, LSM3, LSM4, LSM5, LSM6, LSM7 and LSM8 (PubMed:16723661, 26912367). Interacts directly with PRPF4 (PubMed:9328476, 9404889, 17932117). Part of a heteromeric complex containing PPIH, PRPF3 and PRPF4 that is stable in the absence of RNA (PubMed:9404889). Interacts with SART3; the interaction is direct and recruits the deubiquitinase USP4 to PRPF3 (PubMed:15314151, 20595234). Interacts with PRPF19. Interacts ('Lys-63'-linked polyubiquitinated) with PRPF8 (via the MPN (JAB/Mov34) domain); may stabilize the U4/U6-U5 tri-snRNP complex (PubMed:20595234). Interacts with ERCC6 (PubMed:26030138).
More Types Infomation
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- Species Reactivity: Human
- Application: WB
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For Research Use Only. Not For Clinical Use.