单词 | ATP Binding Cassette,Sub Family B Proteins |
释义 | ATP Binding Cassette,Sub Family B Proteins《英文msh词典》ATP Binding Cassette,Sub Family B Proteins [入口词] ATP Binding Cassette,Sub Family B Proteins [主题词] P-Glycoproteins [英文释义] A subfamily of transmembrane proteins from the superfamily of ATP-BINDING CASSETTE TRANSPORTERS that are closely related in sequence to P-GLYCOPROTEIN. When overexpressed,they function as ATP-dependent efflux pumps able to extrude lipophilic drugs,especially ANTINEOPLASTIC AGENTS,from cells causing multidrug resistance (DRUG RESISTANCE,MULTIPLE). Although P-Glycoproteins share functional similarities to MULTIDRUG RESISTANCE-ASSOCIATED PROTEINS they are two distinct subclasses of ATP-BINDING CASSETTE TRANSPORTERS,and have little sequence homology. |
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