Complement factor D

mammalian protein found in Homo sapiens
Protein protein Q21149382
Press Enter · cited answer in seconds

Complement factor D

Summary

Complement factor D is a protein[1]. It is known by 7 alternative names across languages and contexts.[2]

Key Facts

  • Complement factor D's instance of is recorded as protein[3].
  • Complement factor D is a type of protein[4].
  • Complement factor D is part of complement factor D[5].
  • Complement factor D is part of Peptidase S1, PA clan[6].
  • Complement factor D is part of Serine proteases, trypsin domain, protein family[7].
  • Complement factor D is part of Serine proteases, trypsin family, histidine active site, protein family[8].
  • Complement factor D is part of Serine proteases, trypsin family, serine active site, protein family[9].
  • Complement factor D comprises serine proteases, trypsin family, histidine active site[10].
  • Complement factor D comprises serine proteases, trypsin domain[11].
  • Complement factor D comprises Serine proteases, trypsin family, serine active site[12].
  • Complement factor D's molecular function is recorded as peptidase activity[13].
  • Complement factor D's molecular function is recorded as serine-type peptidase activity[14].
  • Complement factor D's molecular function is recorded as serine-type endopeptidase activity[15].
  • Complement factor D's molecular function is recorded as hydrolase activity[16].
  • Complement factor D's cell component is recorded as extracellular region[17].
  • Complement factor D's cell component is recorded as extracellular exosome[18].
  • Complement factor D's cell component is recorded as platelet alpha granule lumen[19].
  • Complement factor D's cell component is recorded as secretory granule lumen[20].
  • Complement factor D's cell component is recorded as ficolin-1-rich granule lumen[21].
  • Complement factor D's cell component is recorded as extracellular exosome[22].
  • Complement factor D's cell component is recorded as extracellular space[23].
  • Complement factor D's biological process is recorded as complement activation[24].
  • Complement factor D's biological process is recorded as platelet degranulation[25].
  • Complement factor D's biological process is recorded as complement activation, alternative pathway[26].
  • Complement factor D's biological process is recorded as proteolysis[27].

Why It Matters

Complement factor D is known by 7 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] . Q905695. Retrieved . wikidata.org.
  3. [5] . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  4. [6] . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . InterPro Release 71.0. ebi.ac.uk. Provenance: 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] . Human adipsin is identical to complement factor D and is expressed at high levels in adipose tissue. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  13. [15] . Human adipsin is identical to complement factor D and is expressed at high levels in adipose tissue. 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] . Proteomic analysis of podocyte exosome-enriched fraction from normal human urine. 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] . In-depth proteomic analyses of exosomes isolated from expressed prostatic secretions in urine. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  21. [23] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  22. [24] . Human adipsin is identical to complement factor D and is expressed at high levels in adipose tissue. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  23. [25] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [26] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [27] . Human adipsin is identical to complement factor D and is expressed at high levels in adipose tissue. Retrieved . ebi.ac.uk. Provenance: 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). Complement factor D. Retrieved May 3, 2026, from https://4ort.xyz/entity/complement-factor-d-q21149382
MLA “Complement factor D.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/complement-factor-d-q21149382.
BibTeX @misc{4ortxyz_complement-factor-d-q21149382_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Complement factor D}}, year = {2026}, url = {https://4ort.xyz/entity/complement-factor-d-q21149382}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Complement factor D — https://4ort.xyz/entity/complement-factor-d-q21149382 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/complement-factor-d-q21149382 · 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. 7w ago · Boghog · 2026-07-24 view diff on Wikidata ↗
    Imported from
    Subclass of protein
    Wikidata description mammalian protein found in Homo sapiens
    Encoded by CFD
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P591]]: 3.4.21.46, [[:toollabs:quickstatements/#/batch/261491|batch #261491]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.