Anti-ABCB4 Antibody

Catalog No : IGX-43590
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Description 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 the canalicular membrane bilayer into the canaliculi of hepatocytes. Translocation of PC makes the biliary phospholipids available for extraction into the canaliculi lumen by bile salt mixed micelles and therefore protects the biliary tree from the detergent activity of bile salts (PMID:7957936, PMID:8898203, PMID:9366571, PMID:17523162, PMID:23468132, PMID:24806754, PMID:24723470, PMID:24594635, PMID:21820390). Plays a role in the recruitment of phosphatidylcholine (PC), phosphatidylethanolamine (PE) and sphingomyelin (SM) molecules to nonraft membranes and to further enrichment of SM and cholesterol in raft membranes in hepatocytes (PMID:23468132). Required for proper phospholipid bile formation . Indirectly involved in cholesterol efflux activity from hepatocytes into the canalicular lumen in the presence of bile salts in an ATP-dependent manner (PMID:24045840). Promotes biliary phospholipid secretion as canaliculi-containing vesicles from the canalicular plasma membrane (PMID:9366571, PMID:28012258). In cooperation with ATP8B1, functions to protect hepatocytes from the deleterious detergent activity of bile salts (PMID:21820390). Does not confer multidrug resistance .
Other names Phosphatidylcholine translocator ABCB4, ATP-binding cassette sub-family B member 4, Multidrug resistance protein 3, EC 3.6.3.44, P-glycoprotein 3, ABCB4, MDR3 PGY3
Cellular localization Membrane, Multi-Pass Membrane, Apical Membrane, Membrane, Cytoplasm, Clathrin-Coated Vesicle
Research area Signal Transduction
Note This product is for research purpose only, not for use in diagnostics or as therapeutics.
Uniprot ID P21439
Product name Anti-ABCB4 Antibody
Catalog No IGX-43590
Supplier’s Catalog No IGX-43590
Supplier ImuGeX
Host species Rabbit
Species reactivity Human
Applications ELISA, IHC, IF
Recommended dilutions IHC: 1:20-1:200, IF: 1:200-1:500
Molecular weight N/A
Conjugate Unconjugated
Immunogen Recombinant Human Phosphatidylcholine translocator ABCB4 protein (530-693AA)
Specificity ABCB4 antibody detects endogenous level of ABCB4 protein
Storage Store at +4°C for short term (1 week), for long term aliquote and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles, with each freeze and thaw cycle an antibody can lose half of its binding activity.
Clonality Polyclonal
Isotype IgG
Clone ID N/A
Concentration 1 mg/mL
Storage buffer Phosphate-buffered saline (pH 7.4) containing 0.03% Proclin and 50% Glycerol.
Formulation Liquid
Purification This antibody is immunogen affinity purified.
Handling This product contains Proclin as preservative, please take appropriate care when handling this product.
Reactivity life 12 months when stored properly according to instructions (provided antibody remains sterile).