Gene Gene information from NCBI Gene database.
Entrez ID 5244
Gene name ATP binding cassette subfamily B member 4
Gene symbol ABCB4
Synonyms (NCBI Gene)
ABC21GBD1ICP3MDR2MDR2/3MDR3PFIC-3PGY3
Chromosome 7
Chromosome location 7q21.12
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 distinc
SNPs SNP information provided by dbSNP.
86
SNP ID Visualize variation Clinical significance Consequence
rs2230029 T>G Uncertain-significance, conflicting-interpretations-of-pathogenicity, likely-benign Non coding transcript variant, coding sequence variant, genic downstream transcript variant, synonymous variant
rs8187802 C>G,T Likely-benign, conflicting-interpretations-of-pathogenicity, benign Non coding transcript variant, coding sequence variant, synonymous variant
rs8187808 A>G Conflicting-interpretations-of-pathogenicity Genic downstream transcript variant, non coding transcript variant, coding sequence variant, synonymous variant
rs45575636 C>G,T Uncertain-significance, conflicting-interpretations-of-pathogenicity, not-provided Non coding transcript variant, missense variant, coding sequence variant
rs58238559 T>C Pathogenic, benign, benign-likely-benign Non coding transcript variant, missense variant, coding sequence variant, 5 prime UTR variant
Transcription factors Transcription factors information provided by TRRUST V2 database.
1
Transcription factor Regulation Reference
NR1H4 Activation 14527955
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
54
GO ID Ontology Definition Evidence Reference
GO:0000166 Function Nucleotide binding IEA
GO:0005515 Function Protein binding IPI 19674157
GO:0005524 Function ATP binding IEA
GO:0005548 Function Phospholipid transporter activity TAS
GO:0005654 Component Nucleoplasm IDA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
171060 45 ENSG00000005471
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P21439
Protein name Phosphatidylcholine translocator ABCB4 (EC 7.6.2.1) (ATP-binding cassette sub-family B member 4) (Multidrug resistance protein 3) (P-glycoprotein 3)
Protein function [Isoform 1]: Energy-dependent phospholipid efflux translocator that acts as a positive regulator of biliary lipid secretion. Functions as a floppase that translocates specifically phosphatidylcholine (PC) from the inner to the outer leaflet of t
PDB 6S7P , 7NIU , 7NIV , 7NIW
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00664 ABC_membrane 57 345 ABC transporter transmembrane region Family
PF00005 ABC_tran 412 561 ABC transporter Domain
PF00664 ABC_membrane 711 985 ABC transporter transmembrane region Family
PF00005 ABC_tran 1052 1210 ABC transporter Domain
Sequence
MDLEAAKNGTAWRPTSAEGDFELGISSKQKRKKTKTVKMIGVLTLFRYSDWQDKLFMSLG
TIMAIAHGSGLPLMMIVFGEMTDKFVDTAGNFSFPVNFSLSLLNPGKILEEEMTRYAYYY
SGLGAGVLVAAYIQVSFWTLAAGRQIRKIRQKFFHAILRQEIGWFDINDTTELNTRLTDD
ISKISEGIGDKVGMFFQAVATFFAGFIVGFIRGWKLTLVIMAISPILGLSAAVWAKILSA
FSDKELAAYAKAGAVAEEALGAIRTVIAFGGQNKELERYQKHLENAKEIGIKKAISANIS
MGIAFLLIYASYALAFWYGSTLVISKEYTIGNAMTVFFSILIGAF
SVGQAAPCIDAFANA
RGAAYVIFDIIDNNPKIDSFSERGHKPDSIKGNLEFNDVHFSYPSRANVKILKGLNLKVQ
SGQTVALVGSSGCGKSTTVQLIQRLYDPDEGTINIDGQDIRNFNVNYLREIIGVVSQEPV
LFSTTIAENICYGRGNVTMDEIKKAVKEANAYEFIMKLPQKFDTLVGERGAQLSGGQKQR
IAIARALVRNPKILLLDEATS
ALDTESEAEVQAALDKAREGRTTIVIAHRLSTVRNADVI
AGFEDGVIVEQGSHSELMKKEGVYFKLVNMQTSGSQIQSEEFELNDEKAATRMAPNGWKS
RLFRHSTQKNLKNSQMCQKSLDVETDGLEANVPPVSFLKVLKLNKTEWPYFVVGTVCAIA
NGGLQPAFSVIFSEIIAIFGPGDDAVKQQKCNIFSLIFLFLGIISFFTFFLQGFTFGKAG
EILTRRLRSMAFKAMLRQDMSWFDDHKNSTGALSTRLATDAAQVQGATGTRLALIAQNIA
NLGTGIIISFIYGWQLTLLLLAVVPIIAVSGIVEMKLLAGNAKRDKKELEAAGKIATEAI
ENIRTVVSLTQERKFESMYVEKLYGPYRNSVQKAHIYGITFSISQAFMYFSYAGCFRFGA
YLIVNGHMRFRDVILVFSAIVFGAV
ALGHASSFAPDYAKAKLSAAHLFMLFERQPLIDSY
SEEGLKPDKFEGNITFNEVVFNYPTRANVPVLQGLSLEVKKGQTLALVGSSGCGKSTVVQ
LLERFYDPLAGTVFVDFGFQLLDGQEAKKLNVQWLRAQLGIVSQEPILFDCSIAENIAYG
DNSRVVSQDEIVSAAKAANIHPFIETLPHKYETRVGDKGTQLSGGQKQRIAIARALIRQP
QILLLDEATS
ALDTESEKVVQEALDKAREGRTCIVIAHRLSTIQNADLIVVFQNGRVKEH
GTHQQLLAQKGIYFSMVSVQAGTQNL
Sequence length 1286
Interactions View interactions
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
560
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
ABCB4-related disorder Likely pathogenic; Pathogenic rs745972631, rs1315110517, rs794727183, rs141677867, rs2546830021, rs753420538, rs1812547805, rs2546841439, rs72552778, rs72552780, rs148279875, rs764513998, rs2546830150, rs2546776163, rs1343667900
View all (8 more)
RCV004536332
RCV004529200
RCV004537374
RCV004537375
RCV004545860
RCV004529634
RCV004534226
RCV004540690
RCV004532350
RCV004757108
RCV004731547
RCV004542683
RCV004534579
RCV004534527
RCV004757629
RCV004757229
RCV004543375
RCV004543381
RCV004543393
RCV003596537
RCV004535856
RCV004545011
RCV004757392
RCV004757393
ABCB4-Related Intrahepatic Cholestasis Likely pathogenic rs1051861187 RCV001836649
Cholestasis, intrahepatic, of pregnancy, 3 Likely pathogenic; Pathogenic rs1012575668, rs794727183, rs141677867, rs748657435, rs1430830807, rs121918440, rs387906527, rs72552778, rs387906528, rs72552780, rs1809302126, rs2546830150, rs754770911, rs1204857679, rs2546853979
View all (25 more)
RCV005356066
RCV005042372
RCV002500473
RCV005622239
RCV005047631
RCV000033063
RCV000033064
RCV000033065
RCV000033066
RCV000014695
RCV003595847
RCV005860401
RCV003988735
RCV003990215
RCV003989209
RCV003990714
RCV003993541
RCV003993559
RCV001331238
RCV005870643
RCV001003932
RCV001003936
RCV001003563
RCV004776443
RCV005047012
RCV000754567
RCV001003931
RCV001003933
RCV001003935
RCV001003937
RCV001003938
RCV001003940
RCV001003559
RCV001003560
RCV001003562
RCV001003564
RCV001003942
RCV001003943
RCV001003561
RCV004813162
Familial intrahepatic cholestasis type 3 Pathogenic rs148792791, rs1348610360 RCV001250141
RCV001250142
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Acute myeloid leukemia Benign rs2302385 RCV005923618
Cholangiocarcinoma Benign rs2302385 RCV005923621
Familial cancer of breast Conflicting classifications of pathogenicity; Likely benign rs45596335, rs199934741 RCV005892058
RCV005934976
Gastric cancer Benign rs2302385 RCV005923619
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Adrenal Insufficiency Associate 15258199
Antiphospholipid Syndrome Associate 23619268
Atrial Fibrillation Associate 25888430
Atrial Flutter Associate 25888430
Bile Duct Diseases Associate 40248383
Biliary Tract Diseases Associate 26789121, 31040306, 36674751
Breast Neoplasms Associate 17047076
Carcinoma Hepatocellular Associate 28220208, 32626542
Chemical and Drug Induced Liver Injury Associate 31568708, 36901890
Cholangitis Associate 15258199, 37488596