期刊
ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY COMMUNICATIONS
卷 63, 期 -, 页码 682-684出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1744309107032332
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The MgtE family of Mg2+ transporters are ubiquitously conserved in all three domains. The genes encoding full-length MgtE from seven different species were cloned. Three of the seven MgtE transporters were overexpressed and purified for use in crystallization trials. Only Thermus thermophilus MgtE was successfully crystallized using the sitting-drop vapour-diffusion method. Selenomethionine-substituted (SeMet) crystals were obtained by cross-micro-seeding using the native microcrystals. The SeMet crystals diffracted X-rays to 3.5 A resolution using synchrotron radiation and belong to space group C222(1), with unit-cell parameters a = 118.3, b = 134.9, c = 366.2 A. Structure determination is in progress.
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