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  • Title: Purification of the D-2 dopamine receptor from bovine striatum.
    Author: Elazar Z, Kanety H, David C, Fuchs S.
    Journal: Biochem Biophys Res Commun; 1988 Oct 14; 156(1):602-9. PubMed ID: 2972288.
    Abstract:
    The D-2 dopamine receptor has been purified 21500 fold from bovine striatal membranes. Solubilized receptor preparation was partially purified by affinity chromatography on a haloperidol adsorbent followed by gel filtration on a Sephacryl S-300 column. The fractions eluted from this column which contained the ligand binding activity were further chromatographed on wheat germ agglutinin conjugated to Sepharose. The resulting receptor preparation displays a major polypeptide band of an apparent molecular weight of 92 kDa, and exhibits a specific binding activity of 2490 pmol spiperone per mg protein. This purified receptor preparation can reabsorb specifically to the haloperidol affinity column indicating that the 92 kDa polypeptide represents the ligand binding unit of the D-2 dopamine receptor.
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