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The antibody reacts with an internal epitope of MRP3, a 190-200 kD transmembrane protein that is closely related to the multidrug resistance protein MRP1. M3II-21 was raised against a bacterial fusion protein of MRP3, containing amino acids 830-949 of the protein. M3II-21 does not cross-react with the human MDR1, MRP1, MRP2 or MRP5 gene products. M3II-21 has potential value for detection of MRP3-mediated drug-resistance in human tumor samples.
The 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 MRP subfamily which is involved in multi-drug resistance. The specific function of this protein has not yet been determined; however, this protein may play a role in the transport of biliary and intestinal excretion of organic anions. Alternatively spliced variants which encode different protein isoforms have been described; however, not all variants have been fully characterized.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: ATP-binding cassette sub-family C member 3; ATP-binding cassette, sub-family C (CFTR/MRP), member 3; Canalicular multispecific organic anion transporter 2; canicular multispecific organic anion transporter; DKFZp686E22157; MOAT-D; Multi-specific organic anion transporter D; multidrug resistance associated protein; Multidrug resistance-associated protein 3
Gene Aliases: ABC31; ABCC3; CMOAT2; EST90757; MLP2; MOAT-D; MRP3
UniProt ID: (Human) O15438
Entrez Gene ID: (Human) 8714
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