ABCG2(redirected from ATP-binding cassette, sub-family G (WHITE), member 2)
ABCG2A gene on chromosome 4q22, which encodes a xenobiotic transporter protein of the ATP-binding cassette (ABC) superfamily, White subfamily. It plays a major role in multi-drug resistance to chemotherapeutics, and is highly expressed in the placenta, but its role there is unknown.
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