ATP8B3

Entrez Summary: N/A
UniProt Summary: P4-ATPase flippase which catalyzes the hydrolysis of ATP coupled to the transport of aminophospholipids from the outer to the inner leaflet of various membranes and ensures the maintenance of asymmetric distribution of phospholipids. Phospholipid translocation seems also to be implicated in vesicle formation and in uptake of lipid signaling molecules. May be responsible for the maintenance of asymmetric distribution of phosphatidylserine (PS) in spermatozoa membranes. Involved in acrosome reactions and binding of spermatozoa to zona pellucida. {ECO:0000250|UniProtKB:Q6UQ17}.

Pfam Domains GO Terms

Compound Hit Most Correlated Genes in Chemogenomics Tissues where Essential in the Avana Dataset (DepMap 20Q1)

Global Fraction of Cell Lines Where Essential: 0/739

Tissue	Fraction Of Cell Lines Where Essential
1290807.0	0/1
909776.0	0/1
bile duct	0/28
blood	0/28
bone	0/26
breast	0/33
central nervous system	0/56
cervix	0/4
colorectal	0/17
esophagus	0/13
fibroblast	0/1
gastric	0/16
kidney	0/21
liver	0/20
lung	0/75
lymphocyte	0/16
ovary	0/26
pancreas	0/24
peripheral nervous system	0/16
plasma cell	0/15
prostate	0/1
skin	0/24
soft tissue	0/9
thyroid	0/2
upper aerodigestive	0/22
urinary tract	0/29
uterus	0/5

Expression Distribution

ATPase-coupled intramembrane lipid transporter activity
acrosomal membrane
binding of sperm to zona pellucida
phospholipid translocation
lipid translocation
sperm-egg recognition
regulation of membrane lipid distribution
cell-cell recognition
phospholipid transport
organophosphate ester transport
Golgi organization
single fertilization
fertilization
magnesium ion binding
cell recognition
lipid transport
lipid localization
endomembrane system organization
organic anion transport
anion transport
sexual reproduction
membrane organization
endoplasmic reticulum membrane
Golgi apparatus
multi-organism reproductive process
ion transport
reproductive process
reproduction
ATP binding