P-Glycoprotein Monoclonal Antibody (C219)

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Product Description

Recommended positive controls: Cell lines or frozen tissue, such as liver or colon. MA1-26528 is expected to cross react with a wide range of mammals due to sequence homology. Store product as a concentrated solution. Centrifuge briefly prior to opening the vial. This clone recognizes an internal, highly conserved amino acid sequence (VQEALD and VQAALD) found in both protein isoforms, MDR1 P-glycoprotein (~170kDa) and MDR3 P-glycoprotein (~140kDa). In Western blot, boiling samples may reduce visibility of the protein. For flow cytometry, cells should be fixed in 3.7% formaldehyde for 10 min at room temperature to permeabilize the cell membrane. Incubate cells with 5-10 µg antibody for 30-60 min at 4ºC. 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 distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the MDR/TAP subfamily. Members of the MDR/TAP subfamily are involved in multidrug resistance. The protein encoded by this gene is an ATP-dependent drug efflux pump for xenobiotic compounds with broad substrate specificity. It is