# Complement C3b/C4b receptor 1 (Knops blood group)

> mammalian protein found in Homo sapiens

**Wikidata**: [Q5156411](https://www.wikidata.org/wiki/Q5156411)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Complement_receptor_1)  
**Source**: https://4ort.xyz/entity/complement-c3b-c4b-receptor-1-knops-blood-group


## References

1. UniProt
2. [InterPro Release 71.0](http://www.ebi.ac.uk/interpro/protein/P17927)
3. Q20641742
4. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P17927)
5. [Identification of distinct C3b and C4b recognition sites in the human C3b/C4b receptor (CR1, CD35) by deletion mutagenesis](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P17927)
6. [Complement receptor is an inhibitor of the complement cascade](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P17927)
7. [Complement receptor (CR1) deficiency in erythrocytes from patients with systemic lupus erythematosus](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P17927)
8. [Proteomic analysis of podocyte exosome-enriched fraction from normal human urine](http://www.ebi.ac.uk/QuickGO/annotations?protein=P17927&geneProductId=UniProtKB:P17927)
9. [Large-scale proteomics and phosphoproteomics of urinary exosomes](http://www.ebi.ac.uk/QuickGO/annotations?protein=P17927&geneProductId=UniProtKB:P17927)
10. [In-depth proteomic analyses of exosomes isolated from expressed prostatic secretions in urine](http://www.ebi.ac.uk/QuickGO/annotations?protein=P17927&geneProductId=UniProtKB:P17927)
11. [Large-scale proteomics and phosphoproteomics of urinary exosomes](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P17927)
12. [In-depth proteomic analyses of exosomes isolated from expressed prostatic secretions in urine](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P17927)
13. [Decay accelerating activity of complement receptor type 1 (CD35). Two active sites are required for dissociating C5 convertases](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P17927)
14. Ensembl Release 99
15. Identifiers.org
16. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)