# ATP binding cassette subfamily B member 4

> mammalian protein found in Homo sapiens

**Wikidata**: [Q4650057](https://www.wikidata.org/wiki/Q4650057)  
**Source**: https://4ort.xyz/entity/atp-binding-cassette-subfamily-b-member-4-q4650057


## References

1. UniProt
2. [InterPro Release 71.0](http://www.ebi.ac.uk/interpro/protein/P21439)
3. ENZYME
4. Q20641742
5. [Phosphatidylcholine translocase: a physiological role for the mdr2 gene](http://www.ebi.ac.uk/QuickGO/annotations?protein=P21439&geneProductId=UniProtKB:P21439)
6. [MDR1 P-glycoprotein is a lipid translocase of broad specificity, while MDR3 P-glycoprotein specifically translocates phosphatidylcholine](http://www.ebi.ac.uk/QuickGO/annotations?protein=P21439&geneProductId=UniProtKB:P21439)
7. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?protein=P21439&geneProductId=UniProtKB:P21439)
8. [Bile salt-dependent efflux of cellular phospholipids mediated by ATP binding cassette protein B4](http://www.ebi.ac.uk/QuickGO/annotations?protein=P21439&geneProductId=UniProtKB:P21439)
9. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
10. [Two ABCB4 point mutations of strategic NBD-motifs do not prevent protein targeting to the plasma membrane but promote MDR3 dysfunction](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
11. [MDR1 P-glycoprotein is a lipid translocase of broad specificity, while MDR3 P-glycoprotein specifically translocates phosphatidylcholine](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
12. [Molecular mechanistic explanation for the spectrum of cholestatic disease caused by the S320F variant of ABCB4](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
13. [Bile salt-dependent efflux of cellular phospholipids mediated by ATP binding cassette protein B4](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
14. [Receptor for activated C-kinase 1 regulates the cellular localization and function of ABCB4](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
15. [Phosphatidylcholine translocase: a physiological role for the mdr2 gene](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
16. [Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
17. [Molecular mechanistic explanation for the spectrum of cholestatic disease caused by the S320F variant of ABCB4](http://www.ebi.ac.uk/QuickGO/annotations?protein=P21439&geneProductId=UniProtKB:P21439)
18. [Two ABCB4 point mutations of strategic NBD-motifs do not prevent protein targeting to the plasma membrane but promote MDR3 dysfunction](http://www.ebi.ac.uk/QuickGO/annotations?protein=P21439&geneProductId=UniProtKB:P21439)
19. [In-depth proteomic analyses of exosomes isolated from expressed prostatic secretions in urine](http://www.ebi.ac.uk/QuickGO/annotations?protein=P21439&geneProductId=UniProtKB:P21439)
20. [In-depth proteomic analyses of exosomes isolated from expressed prostatic secretions in urine](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:P21439)
21. [Homozygous disruption of the murine mdr2 P-glycoprotein gene leads to a complete absence of phospholipid from bile and to liver disease](http://www.ebi.ac.uk/QuickGO/annotations?protein=P21439&geneProductId=UniProtKB:P21439)
22. Ensembl Release 99
23. Transporter Classification database