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Cathepsin O

mammalian protein found in Homo sapiens
Protein protein Q5052488
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Cathepsin O

Summary

Cathepsin O is a protein[1]. It is known by 5 alternative names across languages and contexts.[2]

Key Facts

  • Cathepsin O's instance of is recorded as protein[3].
  • Cathepsin O's molecular function is recorded as peptidase activity[4].
  • Cathepsin O's molecular function is recorded as cysteine-type endopeptidase activity[5].
  • Cathepsin O's molecular function is recorded as cysteine-type peptidase activity[6].
  • Cathepsin O's molecular function is recorded as hydrolase activity[7].
  • Cathepsin O's molecular function is recorded as cysteine-type endopeptidase activity[8].
  • Cathepsin O's cell component is recorded as lysosome[9].
  • Cathepsin O's cell component is recorded as extracellular space[10].
  • Cathepsin O's biological process is recorded as proteolysis involved in cellular protein catabolic process[11].
  • Cathepsin O's biological process is recorded as proteolysis[12].
  • Cathepsin O's encoded by is recorded as CTSO[13].
  • Cathepsin O's found in taxon is recorded as Homo sapiens[14].
  • Cathepsin O's exact match is recorded as http://purl.uniprot.org/uniprot/P43234[15].

Why It Matters

Cathepsin O is known by 5 alternative names across languages and contexts.[2]

References

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

Direct Wikidata claims

  1. [3] ↑ . Q905695. Retrieved . wikidata.org.
  2. [4] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  3. [5] ↑ . Human cathepsin O. Molecular cloning from a breast carcinoma, production of the active enzyme in Escherichia coli, and expression analysis in human tissues. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  4. [6] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  5. [7] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  6. [8] ↑ . Human cathepsin O. Molecular cloning from a breast carcinoma, production of the active enzyme in Escherichia coli, and expression analysis in human tissues. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  7. [9] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  8. [10] ↑ . Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  9. [11] ↑ . Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  10. [12] ↑ . Human cathepsin O. Molecular cloning from a breast carcinoma, production of the active enzyme in Escherichia coli, and expression analysis in human tissues. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  11. [13] ↑ . Q905695. Retrieved . wikidata.org.
  12. [14] ↑ . Q905695. Retrieved . wikidata.org.
  13. [15] ↑ . Identifiers.org. 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). Cathepsin O. Retrieved May 3, 2026, from https://4ort.xyz/entity/cathepsin-o
MLA “Cathepsin O.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cathepsin-o.
BibTeX @misc{4ortxyz_cathepsin-o_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cathepsin O}}, year = {2026}, url = {https://4ort.xyz/entity/cathepsin-o}, note = {Accessed: 2026-05-03}}
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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. 8w ago · Boghog · 2026-07-23 view diff on Wikidata ↗
    Uniprot protein id → P43234
    Ec enzyme number → 3.4.22.42
    Refseq protein id → NP_001325
    Exact match → http://purl.uniprot.org/uniprot/P43234
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P591]]: 3.4.22.42, [[:toollabs:quickstatements/#/batch/261457|batch #261457]]"
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