Proteasome 20S subunit beta 9

mammalian protein found in Homo sapiens
Protein protein Q21113342
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Summary

Proteasome 20S subunit beta 9 is a protein[1]. It is known by 16 alternative names across languages and contexts.[2]

Key Facts

  • Part of: Proteasome subunit beta type 9[3], Nucleophile aminohydrolases, N-terminal[4], Peptidase T1A, proteasome beta-subunit[5], Proteasome beta-type subunit, conserved site, protein family[6]
  • Has part(s): Proteasome beta-type subunit, conserved site[7]
  • Molecular function: endopeptidase activity[8], peptidase activity[9], protein binding[10], threonine-type endopeptidase activity[11], hydrolase activity[12]
  • Cell component: spermatoproteasome complex[13], nucleoplasm[14], proteasome complex[15], extracellular exosome[16], nucleus[17], proteasome core complex[18], cytoplasm[19], cytosol[20], proteasome core complex, beta-subunit complex[21]
  • Biological process: regulation of cellular amino acid metabolic process[22], antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent[23], regulation of mRNA stability[24], regulation of cysteine-type endopeptidase activity[25], positive regulation of canonical Wnt signaling pathway[26], immune system process[27], protein polyubiquitination[28], stimulatory C-type lectin receptor signaling pathway[29], tumor necrosis factor-mediated signaling pathway[30], MAPK cascade[31], proteolysis[32], Fc-epsilon receptor signaling pathway[33], NIK/NF-kappaB signaling[34], anaphase-promoting complex-dependent catabolic process[35]
  • Encoded by: PSMB9[36]
  • Found in taxon: Homo sapiens[37]

References

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

Direct Wikidata claims

  1. [3] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  2. [4] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  3. [5] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  6. [8] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  7. [9] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  8. [10] ↑ . Immunoproteasomes preserve protein homeostasis upon interferon-induced oxidative stress. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  9. [11] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  10. [12] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  11. [13] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  12. [14] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  13. [15] ↑ . Newly identified pair of proteasomal subunits regulated reciprocally by interferon gamma. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  14. [16] ↑ . MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  15. [17] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  16. [18] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  17. [19] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  18. [20] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  19. [21] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  20. [22] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  21. [23] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  22. [24] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  23. [25] ↑ . Additive loss-of-function proteasome subunit mutations in CANDLE/PRAAS patients promote type I IFN production. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [26] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [27] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  26. [28] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  27. [29] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  28. [30] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  29. [31] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  30. [32] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  31. [33] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  32. [34] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  33. [35] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  34. [36] ↑ . UniProt. Retrieved . wikidata.org.
  35. [37] ↑ . UniProt. Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. 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). Proteasome 20S subunit beta 9. Retrieved May 3, 2026, from https://4ort.xyz/entity/proteasome-20s-subunit-beta-9-q21113342
MLA “Proteasome 20S subunit beta 9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/proteasome-20s-subunit-beta-9-q21113342.
BibTeX @misc{4ortxyz_proteasome-20s-subunit-beta-9-q21113342_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Proteasome 20S subunit beta 9}}, year = {2026}, url = {https://4ort.xyz/entity/proteasome-20s-subunit-beta-9-q21113342}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Proteasome 20S subunit beta 9 — https://4ort.xyz/entity/proteasome-20s-subunit-beta-9-q21113342 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/proteasome-20s-subunit-beta-9-q21113342 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 11w ago · Boghog · 2026-07-24 view diff on Wikidata ↗
    Imported from → —
    Encoded by → PSMB9
    Wikidata description → mammalian protein found in Homo sapiens
    Molecular function → endopeptidase activity, peptidase activity, protein binding +3
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Ec enzyme number: 3.4.25.1, [[:toollabs:quickstatements/#/batch/261491|batch #261491]]"
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