ABCB1 ATP binding cassette subfamily B member 1
Gene ID: 5243, updated on 16-Apr-2024Gene type: protein coding
Also known as: CLCS; MDR1; P-GP; PGY1; ABC20; CD243; GP170; p-170
- See all available tests in GTR for this gene
- Go to complete Gene record for ABCB1
- Go to Variation Viewer for ABCB1 variants
Summary
The membrane-associated protein encoded by this gene is a member of the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra- and intra-cellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the MDR/TAP subfamily. Members of the MDR/TAP subfamily are involved in multidrug resistance. The protein encoded by this gene is an ATP-dependent drug efflux pump for xenobiotic compounds with broad substrate specificity. It is responsible for decreased drug accumulation in multidrug-resistant cells and often mediates the development of resistance to anticancer drugs. This protein also functions as a transporter in the blood-brain barrier. Mutations in this gene are associated with colchicine resistance and Inflammatory bowel disease 13. Alternative splicing and the use of alternative promoters results in multiple transcript variants. [provided by RefSeq, Feb 2017]
Associated conditions
Genomic context
- Location:
- 7q21.12
- Sequence:
- Chromosome: 7; NC_000007.14 (87503017..87713295, complement)
- Total number of exons:
- 32
Variation
| Resource | Links for this gene |
|---|---|
| ClinVar | Variants reported to ClinVar |
| dbVar | Studies and variants |
| SNP | Variation Viewer for ABCB1 variants |
| Genome viewer | Explore NCBI-annotated and select non-NCBI annotated genome assemblies |
- ABCB1 database
- ClinVarRelated medical variations
- dbVarLink from Gene to dbVar
- MedGenRelated information in MedGen
- OMIMLink to related OMIM entry
- PubMed (OMIM)Gene links to PubMed derived from omim_pubmed_cited links
- RefSeq RNAsLink to Nucleotide RefSeq RNAs
- RefSeqGeneLink to Nucleotide RefSeqGenes
- Variation ViewerRelated Variants
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