Title : Studies of human MDR1-MDR2 chimeras demonstrate the functional exchangeability of a major transmembrane segment of the multidrug transporter and phosphatidylcholine flippase.

Pub. Date : 1999 Feb

PMID : 9891078






4 Functional Relationships(s)
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1 Using an approach involving exchanging homologous segments of MDR1 and MDR2 and site-directed mutagenesis, we have demonstrated that MDR1 residues Q330, V331, and L332 in transmembrane domain 6 are sufficient to allow an MDR2 backbone in the N-terminal half of P-gp to transport several MDR1 substrates, including bisantrene, colchicine, vinblastine, and rhodamine-123. Colchicine ATP binding cassette subfamily B member 1 Homo sapiens
2 Using an approach involving exchanging homologous segments of MDR1 and MDR2 and site-directed mutagenesis, we have demonstrated that MDR1 residues Q330, V331, and L332 in transmembrane domain 6 are sufficient to allow an MDR2 backbone in the N-terminal half of P-gp to transport several MDR1 substrates, including bisantrene, colchicine, vinblastine, and rhodamine-123. Colchicine ATP binding cassette subfamily B member 1 Homo sapiens
3 Using an approach involving exchanging homologous segments of MDR1 and MDR2 and site-directed mutagenesis, we have demonstrated that MDR1 residues Q330, V331, and L332 in transmembrane domain 6 are sufficient to allow an MDR2 backbone in the N-terminal half of P-gp to transport several MDR1 substrates, including bisantrene, colchicine, vinblastine, and rhodamine-123. Colchicine ATP binding cassette subfamily B member 1 Homo sapiens
4 Using an approach involving exchanging homologous segments of MDR1 and MDR2 and site-directed mutagenesis, we have demonstrated that MDR1 residues Q330, V331, and L332 in transmembrane domain 6 are sufficient to allow an MDR2 backbone in the N-terminal half of P-gp to transport several MDR1 substrates, including bisantrene, colchicine, vinblastine, and rhodamine-123. Colchicine ATP binding cassette subfamily B member 1 Homo sapiens