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P-gp


P-gp (permeability glycoprotein) is an important protein of the cell membrane that pumps many foreign substances out of cells. It is an ATP-dependent efflux pump with broad substrate specificity. It exists in animals, fungi and bacteria and likely evolved as a defense mechanism against harmful substances. P-gp is a glycoprotein that in humans is encoded by the ABCB1 gene. P-gp is a well-characterized ABC-transporter (which transports a wide variety of substrates across extra- and intracellular membranes) of the MDR/TAP subfamily.

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    More

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    More

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    More

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    More

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