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  • Title: Pig kidney Na+,K+-ATPase. Primary structure and spatial organization.
    Author: Ovchinnikov YuA, Modyanov NN, Broude NE, Petrukhin KE, Grishin AV, Arzamazova NM, Aldanova NA, Monastyrskaya GS, Sverdlov ED.
    Journal: FEBS Lett; 1986 Jun 09; 201(2):237-45. PubMed ID: 2423371.
    Abstract:
    cDNAs complementary to pig kidney mRNAs coding for alpha- and beta-subunits of Na+,K+-ATPase were cloned and sequenced. Selective tryptic hydrolysis of the alpha-subunit within the membrane-bound enzyme and tryptic hydrolysis of the immobilized isolated beta-subunit were also performed. The mature alpha- and beta-subunits contain 1016 and 302 amino acid residues, respectively. Structural data on the peptides from extramembrane regions of the alpha-subunit and on glycopeptides of the beta-subunit underlie a model for the transmembrane arrangement of Na+,K+-ATPase polypeptide chains.
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