Cathepsin A

mammalian protein found in Homo sapiens
Protein protein Q423561
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Summary

Cathepsin An is a protein[1]. It draws 27 Wikipedia views per month (protein category, ranking #150 of 987).[2]

Key Facts

  • Cathepsin A's instance of is recorded as protein[3].
  • Cathepsin A's physically interacts with is recorded as boceprevir[4].
  • Cathepsin A's physically interacts with is recorded as telaprevir[5].
  • Cathepsin A's physically interacts with is recorded as Family with sequence similarity 209 member A[6].
  • Cathepsin An is part of Peptidase S10, serine carboxypeptidase[7].
  • Cathepsin An is part of Alpha/Beta hydrolase fold[8].
  • Cathepsin An is part of Serine carboxypeptidase, serine active site, protein family[9].
  • Cathepsin An is part of Serine carboxypeptidases, histidine active site, protein family[10].
  • Cathepsin A comprises Serine carboxypeptidases, histidine active site[11].
  • Cathepsin A comprises Serine carboxypeptidase, serine active site[12].
  • Cathepsin A's molecular function is recorded as peptidase activity[13].
  • Cathepsin A's molecular function is recorded as carboxypeptidase activity[14].
  • Cathepsin A's molecular function is recorded as enzyme activator activity[15].
  • Cathepsin A's molecular function is recorded as hydrolase activity[16].
  • Cathepsin A's molecular function is recorded as exo-alpha-sialidase activity[17].
  • Cathepsin A's molecular function is recorded as serine-type carboxypeptidase activity[18].
  • Cathepsin A's molecular function is recorded as serine-type carboxypeptidase activity[19].
  • Cathepsin A's cell component is recorded as membrane[20].
  • Cathepsin A's cell component is recorded as intracellular membrane-bounded organelle[21].
  • Cathepsin A's cell component is recorded as nucleoplasm[22].
  • Cathepsin A's cell component is recorded as lysosomal lumen[23].
  • Cathepsin A's cell component is recorded as endoplasmic reticulum[24].
  • Cathepsin A's cell component is recorded as lysosome[25].
  • Cathepsin A's cell component is recorded as lumenal side of lysosomal membrane[26].
  • Cathepsin A's cell component is recorded as extracellular exosome[27].

Why It Matters

Cathepsin A draws 27 Wikipedia views per month (protein category, ranking #150 of 987).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[28] It is known by 17 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [3] ↑ . UniProt. Retrieved . wikidata.org.
  2. [4] ↑ . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  3. [5] ↑ . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  6. [8] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  10. [12] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  11. [13] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  12. [14] ↑ . Galactosialidosis: simultaneous deficiency of esterase, carboxy-terminal deamidase and acid carboxypeptidase activities. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  13. [15] ↑ . Galactosialidosis: a direct evidence that a 46-kilodalton protein restores deficient enzyme activities in fibroblasts. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  14. [16] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  15. [17] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  16. [18] ↑ . Cathepsin A regulates chaperone-mediated autophagy through cleavage of the lysosomal receptor. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  17. [19] ↑ . Cathepsin A regulates chaperone-mediated autophagy through cleavage of the lysosomal receptor. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  18. [20] ↑ . Defining the membrane proteome of NK cells. 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] ↑ . Human lysosomal protective protein. Glycosylation, intracellular transport, and association with beta-galactosidase in the endoplasmic reticulum. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  23. [25] ↑ . Expression of cDNA encoding the human "protective protein" associated with lysosomal beta-galactosidase and neuraminidase: homology to yeast proteases. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [26] ↑ . Chaperone-mediated autophagy: molecular mechanisms and physiological relevance. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [27] ↑ . Proteomic analysis of podocyte exosome-enriched fraction from normal human urine. Retrieved . ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . 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 A. Retrieved October 16, 2026, from https://4ort.xyz/entity/cathepsin-a
MLA “Cathepsin A.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/cathepsin-a.
BibTeX @misc{4ortxyz_cathepsin-a_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cathepsin A}}, year = {2026}, url = {https://4ort.xyz/entity/cathepsin-a}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cathepsin A — https://4ort.xyz/entity/cathepsin-a (retrieved 2026-10-16)

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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. 12w ago · Boghog · 2026-07-23 view diff on Wikidata ↗
    Instance of → —
    Part of → —
    Encoded by → CTSA
    Biological process → regulation of protein stability, glycosphingolipid metabolic process, proteolysis +6
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Ec enzyme number: 3.4.16.5, [[:toollabs:quickstatements/#/batch/261446|batch #261446]]"
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