Evidence for two nonidentical drug-interaction sites in the human P-glycoprotein.
Authors:Dey S, Ramachandra M, Pastan I, Gottesman MM, Ambudkar SV
Journal:Proc Natl Acad Sci U S A
PubMed ID:9380680
'Human P-glycoprotein (Pgp) confers multidrug resistance to cancer cells by ATP-dependent extrusion of a great many structurally dissimilar hydrophobic compounds. The manner in which Pgp recognizes these different substrates is unknown. The protein shows internal homology between its N- and C-terminal halves, each comprised of six putative transmembrane helices and ... More