Gene Information
Gene NameATP8B1
OrganismHomo sapiens (Human)
Gene Length1251
Protein NamesPhospholipid-transporting ATPase IC (EC 7.6.2.1) (ATPase class I type 8B member 1) (Familial intrahepatic cholestasis type 1) (P4-ATPase flippase complex alpha subunit ATP8B1)
Target NameNA
Target TypeNA
Gene Age>4290 ( ENSG00000081923 )
Evolutionary StageEukaryota
AlphaFoldDBO43520
Gene CardATP8B1
Uniprot IDO43520
PfamPF16212; PF16209
In ASDno
Allosteric Predictionno (-0.564204524)
Ortholog in AnimalsAlpaca_ ATP8B1 ( ortholog_one2one )
Dog_ ATP8B1 ( ortholog_one2one )
GuineaPig_ ATP8B1 ( ortholog_one2one )
Macaque_ ATP8B1 ( ortholog_one2one )
Mouse_ Atp8b1 ( ortholog_one2one )
Pig_ ATP8B1 ( ortholog_one2one )
Rat_ Atp8b1 ( ortholog_one2one )
Rabbit_ ATP8B1 ( ortholog_one2one )
OhnologsATP8B3, ATP8B4, ATP8B2
ParalogsATP8B4, ATP10D, ATP11A, ATP8A2, ATP11C, ATP10A, ATP11B, ATP9A, ATP10B, ATP8B2, ATP8A1, ATP9B, ATP8B3
Tissuecolon
Tissue SpecificityFound in most tissues except brain and skeletal muscle. Most abundant in pancreas and small intestine.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 7PY4  (EM  3.10A  7VGH  (EM  3.39A  7VGI  (EM  3.36A  7VGJ  (EM  3.98A 
DBSNP rs146599962  rs34719006  rs3745079  rs56355310  rs515726138  rs121909099  rs150860808  rs111033609  rs111033609  rs140665115  rs2271260  rs34315917  rs34018205  rs121909104  rs147642236  rs121909101  rs3745078  rs33963153  rs1202682161  rs780186596  rs752045131  rs121909100  rs35470719  rs1337978497  rs541474497  rs1350369369  rs34018300  rs773092889  rs121909103  rs767398921  rs121909098  rs12968116  rs1438249656  rs222581 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:17948906, ECO:0000269|PubMed:20947505, ECO:0000269|PubMed:20961850, ECO:0000269|PubMed:21914794, ECO:0000269|PubMed:25315773};
Multi-pass membrane protein. Apical cell membrane {ECO:0000269|PubMed:20512993}. Cell projection, stereocilium {ECO:0000250|UniProtKB:Q148W0}. Endoplasmic reticulum {ECO:0000269|PubMed:17948906, ECO:0000269|PubMed:20947505, ECO:0000269|PubMed:20961850, ECO:0000269|PubMed:21914794}. Golgi apparatus {ECO:0000269|PubMed:20961850}. Note=Exit from the endoplasmic reticulum requires the presence of TMEM30A or TMEM30B (PubMed:20947505). Localizes to apical membranes in epithelial cells (PubMed:20512993). {ECO:0000269|PubMed:20512993, ECO:0000269|PubMed:20947505}.
Mouse PG classificationHPG
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