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 involved in the pumping of degraded cytosolic peptides across the endoplasmic reticulum into the membrane-bound compartment where class I molecules assemble. Mutations in this gene may be associated with ankylosing spondylitis, insulin-dependent diabetes mellitus, and celiac disease. [provided by RefSeq
Other Designations:
ABC transporter, MHC 1,ATP-binding cassette transporter,ATP-binding cassette, sub-family B (MDR/TAP), member 2,ATP-binding cassette, sub-family B, member 2,OTTHUMP00000029077,antigen peptide transporter 1,peptide supply factor 1,transporter 1, ATP-binding
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