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 (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
50
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
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
View all (19 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
ABCB4-Related Intrahepatic Cholestasis Likely pathogenic rs1051861187 RCV001836649
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
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
View all (35 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Familial intrahepatic cholestasis type 3 Pathogenic rs148792791, rs1348610360 RCV001250141
RCV001250142
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Acute myeloid leukemia Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
BILIARY CIRRHOSIS Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CARCINOMA, HEPATOCELLULAR CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cholangiocarcinoma Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Acute leukemia Leukemia BEFREE 8574159, 9150348
★☆☆☆☆
Found in Text Mining only
Acute lymphocytic leukemia Lymphocytic Leukemia BEFREE 1972761, 9150348
★☆☆☆☆
Found in Text Mining only
Antiphospholipid Syndrome Antiphospholipid syndrome Pubtator 23619268 Associate
★☆☆☆☆
Found in Text Mining only
Atrial Fibrillation Atrial Fibrillation BEFREE 25888430
★☆☆☆☆
Found in Text Mining only
Atrial Fibrillation Atrial fibrillation Pubtator 25888430 Associate
★☆☆☆☆
Found in Text Mining only
Atrial Flutter Atrial flutter Pubtator 25888430 Associate
★☆☆☆☆
Found in Text Mining only
B-CELL MALIGNANCY, LOW-GRADE Lymphocytic Leukemia BEFREE 8241511
★☆☆☆☆
Found in Text Mining only
Bile Duct Diseases Bile duct disease Pubtator 40248383 Associate
★☆☆☆☆
Found in Text Mining only
Biliary cirrhosis Biliary cirrhosis BEFREE 11420418, 9126799
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Biliary cirrhosis Biliary cirrhosis LHGDN 18671305
★★☆☆☆
Found in Text Mining + Unknown/Other Associations