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CD28 antigen

mammalian protein found in Mus musculus
Protein protein Q21983013
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CD28 antigen

Summary

CD28 antigen is a protein[1].

Key Facts

  • CD28 antigen's instance of is recorded as protein[2].
  • CD28 antigen's UniProt protein ID is recorded as P31041[3].
  • CD28 antigen's part of is recorded as Immunoglobulin-like fold[4].
  • CD28 antigen's part of is recorded as Immunoglobulin-like domain superfamily[5].
  • CD28 antigen's part of is recorded as T cell antigen CD28[6].
  • CD28 antigen's part of is recorded as membrane protein[7].
  • CD28 antigen's part of is recorded as Immunoglobulin V-set domain, protein family[8].
  • CD28 antigen's has part is recorded as immunoglobulin V-set domain[9].
  • CD28 antigen's RefSeq protein ID is recorded as NP_031668[10].
  • CD28 antigen's RefSeq protein ID is recorded as XP_036012281[11].
  • CD28 antigen's molecular function is recorded as protease binding[12].
  • CD28 antigen's molecular function is recorded as protein kinase binding[13].
  • CD28 antigen's molecular function is recorded as protein homodimerization activity[14].
  • CD28 antigen's cell component is recorded as integral component of membrane[15].
  • CD28 antigen's cell component is recorded as membrane[16].
  • CD28 antigen's cell component is recorded as plasma membrane[17].
  • CD28 antigen's cell component is recorded as immunological synapse[18].
  • CD28 antigen's cell component is recorded as external side of plasma membrane[19].
  • CD28 antigen's cell component is recorded as cell surface[20].
  • CD28 antigen's cell component is recorded as protein complex involved in cell adhesion[21].
  • CD28 antigen's cell component is recorded as membrane raft[22].
  • CD28 antigen's cell component is recorded as external side of plasma membrane[23].
  • CD28 antigen's biological process is recorded as positive regulation of protein kinase B signaling[24].
  • CD28 antigen's biological process is recorded as regulatory T cell differentiation[25].
  • CD28 antigen's biological process is recorded as regulation of regulatory T cell differentiation[26].

References

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

Direct Wikidata claims

  1. [2] ↑ . Q905695. Retrieved . wikidata.org.
  2. [3] ↑ . Q905695. Retrieved . wikidata.org.
  3. [4] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  4. [5] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  5. [6] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  9. [10] ↑ . Q20641742. Retrieved . wikidata.org.
  10. [11] ↑ . Q20641742. Retrieved . wikidata.org.
  11. [12] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  12. [13] ↑ . Strong CD28 costimulation suppresses induction of regulatory T cells from naive precursors through Lck signaling. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  13. [14] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  14. [15] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  15. [16] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  16. [17] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  17. [18] ↑ . The lymphoid lineage-specific actin-uncapping protein Rltpr is essential for costimulation via CD28 and the development of regulatory T cells. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  18. [19] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  19. [20] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  20. [21] ↑ . Identification of residues in the V domain of CD80 (B7-1) implicated in functional interactions with CD28 and CTLA4. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  21. [22] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  22. [23] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  23. [24] ↑ . Butyrophilin Btn2a2 inhibits TCR activation and phosphatidylinositol 3-kinase/Akt pathway signaling and induces Foxp3 expression in T lymphocytes. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [25] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [26] ↑ . Strong CD28 costimulation suppresses induction of regulatory T cells from naive precursors through Lck signaling. 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). CD28 antigen. Retrieved May 3, 2026, from https://4ort.xyz/entity/cd28-antigen
MLA “CD28 antigen.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cd28-antigen.
BibTeX @misc{4ortxyz_cd28-antigen_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{CD28 antigen}}, year = {2026}, url = {https://4ort.xyz/entity/cd28-antigen}, note = {Accessed: 2026-05-03}}
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