cystatin A

mammalian protein found in Homo sapiens
Protein protein Q21109999
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Summary

cystatin An is a protein[1].

Key Facts

  • cystatin A's instance of is recorded as protein[2].
  • cystatin A's UniProt protein ID is recorded as P01040[3].
  • cystatin A's part of is recorded as Proteinase inhibitor I25A, stefin[4].
  • cystatin A's part of is recorded as cystatins[5].
  • cystatin A's part of is recorded as Proteinase inhibitor I25, cystatin, conserved site, protein family[6].
  • cystatin A's MeSH descriptor ID is recorded as D055312[7].
  • cystatin A's has part is recorded as Cystatin domain[8].
  • cystatin A's has part is recorded as Proteinase inhibitor I25, cystatin, conserved site[9].
  • cystatin A's RefSeq protein ID is recorded as NP_005204[10].
  • cystatin A's PDB structure ID is recorded as 1CYU[11].
  • cystatin A's PDB structure ID is recorded as 1CYV[12].
  • cystatin A's PDB structure ID is recorded as 1DVC[13].
  • cystatin A's PDB structure ID is recorded as 1DVD[14].
  • cystatin A's PDB structure ID is recorded as 1GD3[15].
  • cystatin A's PDB structure ID is recorded as 1GD4[16].
  • cystatin A's PDB structure ID is recorded as 1N9J[17].
  • cystatin A's PDB structure ID is recorded as 1NB3[18].
  • cystatin A's PDB structure ID is recorded as 1NB5[19].
  • cystatin A's PDB structure ID is recorded as 3K9M[20].
  • cystatin A's PDB structure ID is recorded as 3KFQ[21].
  • cystatin A's PDB structure ID is recorded as 3KSE[22].
  • cystatin A's MeSH tree code is recorded as D12.776.215.100[23].
  • cystatin A's molecular function is recorded as peptidase inhibitor activity[24].
  • cystatin A's molecular function is recorded as protease binding[25].
  • cystatin A's molecular function is recorded as protein-macromolecule adaptor activity[26].

References

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

Direct Wikidata claims

  1. [2] ↑ . UniProt. Retrieved . wikidata.org.
  2. [3] ↑ . UniProt. Retrieved . 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] ↑ . Q20641742. Retrieved . wikidata.org.
  10. [11] ↑ . UniProt. Retrieved . wikidata.org.
  11. [12] ↑ . UniProt. Retrieved . wikidata.org.
  12. [13] ↑ . UniProt. Retrieved . wikidata.org.
  13. [14] ↑ . UniProt. Retrieved . wikidata.org.
  14. [15] ↑ . UniProt. Retrieved . wikidata.org.
  15. [16] ↑ . UniProt. Retrieved . wikidata.org.
  16. [17] ↑ . UniProt. Retrieved . wikidata.org.
  17. [18] ↑ . UniProt. Retrieved . wikidata.org.
  18. [19] ↑ . UniProt. Retrieved . wikidata.org.
  19. [20] ↑ . UniProt. Retrieved . wikidata.org.
  20. [21] ↑ . UniProt. Retrieved . wikidata.org.
  21. [22] ↑ . UniProt. Retrieved . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [25] ↑ . The place of human gamma-trace (cystatin C) amongst the cysteine proteinase inhibitors. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [26] ↑ . Small proline-rich protein 1 is the major component of the cell envelope of normal human oral keratinocytes. Retrieved . ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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). cystatin A. Retrieved May 3, 2026, from https://4ort.xyz/entity/cystatin-a-q21109999
MLA “cystatin A.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cystatin-a-q21109999.
BibTeX @misc{4ortxyz_cystatin-a-q21109999_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cystatin A}}, year = {2026}, url = {https://4ort.xyz/entity/cystatin-a-q21109999}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cystatin A — https://4ort.xyz/entity/cystatin-a-q21109999 (retrieved 2026-05-03)

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