Multidrug Resistance-Associated Protein 1 (ABCC1), Partial (ABCC1) Human Recombinant Protein

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 full transporter is a member of the MRP subfamily which is involved in multi-drug resistance. This protein functions as a multispecific organic anion transporter, with oxidized glutatione, cysteinyl leukotrienes, and activated aflatoxin B1 as substrates. This protein also transports glucuronides and sulfate conjugates of steroid hormones and bile salts. Alternatively spliced variants of this gene have been described but their full-length nature is unknown. [provided by RefSeq, Apr 2012]

ABCC1: a multi-pass membrane protein. A multidrug resistance member of the ABC transporter family that confers resistance to anticancer drugs. A multi-pass membrane protein. Exports sphingosine-1-phosphate (S1P), a potent inflammatory mediator, from mast cells during mast cell-mediated immune responses. Nine alternatively spliced human isoforms have been reported.

Protein type: Membrane protein, integral; Membrane protein, multi-pass; Transporter; Transporter, ABC family

Chromosomal Location of Human Ortholog: 16p13.1

Cellular Component: membrane; integral to plasma membrane; plasma membrane

Molecular Function: ATPase activity, coupled to transmembrane movement of substances; transporter activity; ATPase activity; ATP binding

Biological Process: response to drug; vitamin metabolic process; cobalamin metabolic process; transport; arachidonic acid metabolic process; leukotriene metabolic process; transmembrane transport; water-soluble vitamin metabolic process