# complement C4A (Rodgers blood group)

> mammalian protein found in Homo sapiens

**Wikidata**: [Q21102477](https://www.wikidata.org/wiki/Q21102477)  
**Source**: https://4ort.xyz/entity/complement-c4a-rodgers-blood-group-


## References

1. UniProt
2. [InterPro Release 71.0](http://www.ebi.ac.uk/interpro/protein/P0C0L4)
3. Q20641742
4. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
5. [Substitution of a single amino acid (aspartic acid for histidine) converts the functional activity of human complement C4B to C4A](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
6. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?protein=P0C0L4&geneProductId=UniProtKB:P0C0L4)
7. [In-depth proteomic analyses of exosomes isolated from expressed prostatic secretions in urine](http://www.ebi.ac.uk/QuickGO/annotations?protein=P0C0L4&geneProductId=UniProtKB:P0C0L4)
8. [Proteomic analysis of microvesicles from plasma of healthy donors reveals high individual variability](http://www.ebi.ac.uk/QuickGO/annotations?protein=P0C0L4&geneProductId=UniProtKB:P0C0L4)
9. [Schizophrenia risk from complex variation of complement component 4](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
10. [Human neutrophils secrete bioactive paucimannosidic proteins from azurophilic granules into pathogen-infected sputum](http://www.ebi.ac.uk/QuickGO/annotations?protein=P0C0L4&geneProductId=UniProtKB:P0C0L4)
11. [Human colostrum: identification of minor proteins in the aqueous phase by proteomics](http://www.ebi.ac.uk/QuickGO/annotations?protein=P0C0L4&geneProductId=UniProtKB:P0C0L4)
12. [Human neutrophils secrete bioactive paucimannosidic proteins from azurophilic granules into pathogen-infected sputum](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
13. [Human colostrum: identification of minor proteins in the aqueous phase by proteomics](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
14. [In-depth proteomic analyses of exosomes isolated from expressed prostatic secretions in urine](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
15. [Proteomic analysis of microvesicles from plasma of healthy donors reveals high individual variability](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
16. [Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
17. [Complement classical pathway components are all important in clearance of apoptotic and secondary necrotic cells](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P0C0L4)
18. Ensembl Release 99
19. UMLS 2023