haptoglobin

mammalian protein found in Homo sapiens
Protein protein Q422025
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haptoglobin

Summary

haptoglobin is a protein[1]. haptoglobin ranks in the top 8% of protein entities by monthly Wikipedia readership (77 views/month).[2]

Key Facts

  • haptoglobin's image is recorded as Haptoglobin from 6tb2.png[3].
  • haptoglobin's instance of is recorded as protein[4].
  • haptoglobin's Library of Congress authority ID is recorded as sh85058816[5].
  • haptoglobin's Bibliothèque nationale de France ID is recorded as 12513509q[6].
  • haptoglobin's NDL Authority ID is recorded as 00576525[7].
  • haptoglobin's UniProt protein ID is recorded as P00738[8].
  • haptoglobin's part of is recorded as Peptidase S1, PA clan[9].
  • haptoglobin's part of is recorded as Sushi/SCR/CCP superfamily[10].
  • haptoglobin's part of is recorded as haptoglobin[11].
  • haptoglobin's part of is recorded as Sushi/SCR/CCP domain, protein family[12].
  • haptoglobin's part of is recorded as Serine proteases, trypsin domain, protein family[13].
  • haptoglobin's BNCF Thesaurus ID is recorded as 15797[14].
  • haptoglobin's has part is recorded as serine proteases, trypsin domain[15].
  • haptoglobin's has part is recorded as sushi/SCR/CCP domain[16].
  • haptoglobin's RefSeq protein ID is recorded as NP_001119574[17].
  • haptoglobin's RefSeq protein ID is recorded as NP_001305067[18].
  • haptoglobin's RefSeq protein ID is recorded as NP_005134[19].
  • haptoglobin's PDB structure ID is recorded as 4X0L[20].
  • haptoglobin's PDB structure ID is recorded as 4WJG[21].
  • haptoglobin's PDB structure ID is recorded as 5HU6[22].
  • haptoglobin's Freebase ID is recorded as /m/0118z0qy[23].
  • haptoglobin's molecular function is recorded as antioxidant activity[24].
  • haptoglobin's molecular function is recorded as protein binding[25].
  • haptoglobin's molecular function is recorded as hemoglobin binding[26].
  • haptoglobin's molecular function is recorded as serine-type endopeptidase activity[27].

Why It Matters

haptoglobin ranks in the top 8% of protein entities by monthly Wikipedia readership (77 views/month).[2] haptoglobin has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[28] haptoglobin is known by 9 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] . wikidata.org.
  2. [4] . Q905695. Retrieved . wikidata.org.
  3. [5] . Nuovo soggettario. Retrieved . thes.bncf.firenze.sbn.it. Provenance: wikidata.org.
  4. [6] . Nuovo soggettario. Retrieved . thes.bncf.firenze.sbn.it. Provenance: wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Q905695. Retrieved . wikidata.org.
  7. [9] . InterPro Release 71.0. ebi.ac.uk. Provenance: 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] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Nuovo soggettario. wikidata.org.
  13. [15] . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  14. [16] . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  15. [17] . Q20641742. Retrieved . wikidata.org.
  16. [18] . Q20641742. Retrieved . wikidata.org.
  17. [19] . Q20641742. Retrieved . wikidata.org.
  18. [20] . Q905695. Retrieved . wikidata.org.
  19. [21] . Q905695. Retrieved . wikidata.org.
  20. [22] . Q905695. Retrieved . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  23. [25] . Haptoglobin binds the antiatherogenic protein apolipoprotein E - impairment of apolipoprotein E stimulation of both lecithin:cholesterol acyltransferase activity and cholesterol uptake by hepatocytes. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [26] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [27] . Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium. 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). haptoglobin. Retrieved May 3, 2026, from https://4ort.xyz/entity/haptoglobin
MLA “haptoglobin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/haptoglobin.
BibTeX @misc{4ortxyz_haptoglobin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{haptoglobin}}, year = {2026}, url = {https://4ort.xyz/entity/haptoglobin}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): haptoglobin — https://4ort.xyz/entity/haptoglobin (retrieved 2026-05-03)

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