FACINOROUSNESS
\fˈasɪnəɹəsnəs], \fˈasɪnəɹəsnəs], \f_ˈa_s_ɪ_n_ə_ɹ_ə_s_n_ə_s]\
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By Thomas Sheridan
Word of the day
ATP Binding Cassette, Sub Family B Proteins
- A subfamily transmembrane the superfamily TRANSPORTERS that closely related in GLYCOPROTEIN. When overexpressed, function as dependent efflux pumps able extrude lipophilic drugs, especially ANTINEOPLASTIC AGENTS, from cells causing 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.