Crystallization and preliminary X-ray crystallographic analysis of archaeal O6-methylguanine-DNA methyltransferase.
[No authors listed]
摘要
Crystals of archaeal O6-methylguanine-DNA methyltransferase (MGMT) from hyperthermophilic archaeon Pyrococcus kodakaraensis strain KOD1 have been grown at room temperature using polyethylene glycol as a precipitant. The diffraction pattern of the crystal extends to 2.0 A resolution at room temperature upon exposure to Cu Kalpha radiation. The crystal belongs to the space group P212121 with unit-cell dimensions of a = 52.8, b = 86.6 and c = 39.9 A. The presence of one molecule per asymmetric unit gives a crystal volume per protein mass (Vm) of 2.3 A3 Da-1 and a solvent content of 48% by volume. A full set of X-ray diffraction data was collected to 2.0 A Bragg spacings from the native crystal.
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原始数据
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文献解读
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