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Pre-mRNA processing factor 31

mammalian protein found in Homo sapiens
Protein Q21126041

Facts

8 properties
Instance of
protein
Part of
U4/U6 small nuclear ribonucleoprotein Prp31, Nop domain superfamily, Helix hairpin bin domain superfamily, Prp31 C-terminal domain, protein family, Nop domain, protein family, NOSIC, protein family[2][3][4][5][6][7]
Biological process
mRNA splicing, via spliceosome, spliceosomal tri-snRNP complex assembly, mRNA processing, snoRNA localization, ribonucleoprotein complex localization, RNA splicing, mRNA splicing, via spliceosome
Cell component
Cajal body, nuclear speck, U4/U6 x U5 tri-snRNP complex, U4atac snRNP, nucleoplasm, MLL1 complex, U2-type spliceosomal complex, precatalytic spliceosome, spliceosomal complex, U4 snRNP, nucleus, U4 snRNP, U4atac snRNP, U2-type precatalytic spliceosome[18]
Encoded by
PRPF31
Found in taxon
Homo sapiens
Has part(s)
NOSIC, Prp31 C-terminal, Nop domain[8][9][10]
Molecular function
snRNP binding, U4 snRNA binding, U4atac snRNA binding, protein binding, ribonucleoprotein complex binding, RNA binding, RNA binding[11][12][13][14][15][16][17]
🏷️ Also known as
en hPrp31 en Pre-mRNA processing factor 31 en Pre-mRNA-processing factor 31 en protein 61K en PRP31 pre-mRNA processing factor 31 homolog en PRPF31 en serologically defined breast cancer antigen NY-BR-99 en U4/U6 small nuclear ribonucleoprotein Prp31 en U4/U6 snRNP 61 kDa protein

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Summary

Pre-mRNA processing factor 31 is a protein[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  2. [3] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  3. [4] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  8. [9] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  9. [10] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  10. [11] ↑ . Binding of the human Prp31 Nop domain to a composite RNA-protein platform in U4 snRNP. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  11. [12] ↑ . RNA structural requirements for the association of the spliceosomal hPrp31 protein with the U4 and U4atac small nuclear ribonucleoproteins. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  12. [13] ↑ . Structural basis for the dual U4 and U4atac snRNA-binding specificity of spliceosomal protein hPrp31. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  13. [14] ↑ . CTNNBL1 is a novel nuclear localization sequence-binding protein that recognizes RNA-splicing factors CDC5L and Prp31. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  14. [15] ↑ . Protein 61K, encoded by a gene (PRPF31) linked to autosomal dominant retinitis pigmentosa, is required for U4/U6*U5 tri-snRNP formation and pre-mRNA splicing. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  15. [16] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  16. [17] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  17. [18] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Pre-mRNA processing factor 31. Retrieved May 3, 2026, from https://4ort.xyz/entity/pre-mrna-processing-factor-31
MLA “Pre-mRNA processing factor 31.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pre-mrna-processing-factor-31.
BibTeX @misc{4ortxyz_pre-mrna-processing-factor-31_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Pre-mRNA processing factor 31}}, year = {2026}, url = {https://4ort.xyz/entity/pre-mrna-processing-factor-31}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Pre-mRNA processing factor 31 — https://4ort.xyz/entity/pre-mrna-processing-factor-31 (retrieved 2026-05-03)

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