TAPINOCEPHALY
\tˈapɪnˌə͡ʊsfəli], \tˈapɪnˌəʊsfəli], \t_ˈa_p_ɪ_n_ˌəʊ_s_f_ə_l_i]\
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By Stedman, Thomas Lathrop
By Alexander Duane
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.