Fc fragment of IgA receptor | Immunoglobulin like domain containing proteins | IUPHAR Guide to IMMUNOPHARMACOLOGY

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Fc fragment of IgA receptor

Target id: 2991

Nomenclature: Fc fragment of IgA receptor

Abbreviated Name: FcαRI

Systematic Nomenclature: CD89

Family: Immunoglobulin like domain containing proteins, CD molecules

Annotation status:  image of a grey circle Awaiting annotation/under development. Please contact us if you can help with annotation.  » Email us

   GtoImmuPdb view: ON :     Fc fragment of IgA receptor has curated data in GtoImmuPdb

Gene and Protein Information
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human 1 287 19q13.42 FCAR Fc fragment of IgA receptor 2,6
Rat 1 280 1q12 Fcar Fc fragment of IgA receptor
Gene and Protein Information Comments
Alternative transcripts from the human gene produce shorter protein isoforms: isoforms b-h which vary in length from 178-275 aa. There is no mouse FCAR homolog.
Database Links
Ensembl Gene
Entrez Gene
Human Protein Atlas
RefSeq Nucleotide
RefSeq Protein

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Antibody Sp. Action Affinity Units Reference
BsAb (CD89-CD20) Hs Binding 8.5 pKd 3
pKd 8.5 (Kd 3.25x10-9 M) [3]
Description: FACS analysis of antibody binding to CD89-positive PMN cells.


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1. Hansen IS, Krabbendam L, Bernink JH, Loayza-Puch F, Hoepel W, van Burgsteden JA, Kuijper EC, Buskens CJ, Bemelman WA, Zaat SAJ et al.. (2018) FcαRI co-stimulation converts human intestinal CD103+dendritic cells into pro-inflammatory cells through glycolytic reprogramming. Nat Commun, 9 (1): 863. [PMID:29491406]

2. Kremer EJ, Kalatzis V, Baker E, Callen DF, Sutherland GR, Maliszewski CR. (1992) The gene for the human IgA Fc receptor maps to 19q13.4. Hum. Genet., 89 (1): 107-8. [PMID:1577457]

3. Li B, Xu L, Pi C, Yin Y, Xie K, Tao F, Li R, Gu H, Fang J. (2017) CD89-mediated recruitment of macrophages via a bispecific antibody enhances anti-tumor efficacy. Oncoimmunology, 7 (1): e1380142. [PMID:29296544]

4. Mantis NJ, Rol N, Corthésy B. (2011) Secretory IgA's complex roles in immunity and mucosal homeostasis in the gut. Mucosal Immunol, 4 (6): 603-11. [PMID:21975936]

5. Mathias A, Pais B, Favre L, Benyacoub J, Corthésy B. (2014) Role of secretory IgA in the mucosal sensing of commensal bacteria. Gut Microbes, 5 (6): 688-95. [PMID:25536286]

6. Morton HC, van Egmond M, van de Winkel JG. (1996) Structure and function of human IgA Fc receptors (Fc alpha R). Crit. Rev. Immunol., 16 (4): 423-40. [PMID:8954257]

7. Pabst O. (2012) New concepts in the generation and functions of IgA. Nat. Rev. Immunol., 12 (12): 821-32. [PMID:23103985]

8. Stockmeyer B, Dechant M, van Egmond M, Tutt AL, Sundarapandiyan K, Graziano RF, Repp R, Kalden JR, Gramatzki M, Glennie MJ et al.. (2000) Triggering Fc alpha-receptor I (CD89) recruits neutrophils as effector cells for CD20-directed antibody therapy. J. Immunol., 165 (10): 5954-61. [PMID:11067958]

How to cite this page

Immunoglobulin like domain containing proteins: Fc fragment of IgA receptor. Last modified on 29/08/2018. Accessed on 16/01/2019. IUPHAR/BPS Guide to PHARMACOLOGY, http://guidetoimmunopharmacology.org/GRAC/ObjectDisplayForward?objectId=2991.