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首页> 外文期刊>Acta crystallographica.Section D. Biological crystallography >Cubic crystals of phosphopantetheine adenylyltransferase from Escherichia coli.
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Cubic crystals of phosphopantetheine adenylyltransferase from Escherichia coli.

机译:立方晶体的phosphopantetheineadenylyltransferase从大肠杆菌。

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摘要

Phosphopantetheine adenylyltransferase (PPAT, E.C. 2.7.7.3) catalyzes the penultimate step in coenzyme A (CoA) biosynthesis, transferring an adenylyl group from ATP to 4'-phosphopantetheine, and forming dephospho-CoA. Cubic crystals of native PPAT from Escherichia coli as well as PPAT in complex with its substrates were obtained. The crystals belong to space group I23 or I213 with unit-cell dimension a = 135.5 A. The crystals diffract to better than 1.8 A resolution on a Cu Kalpha rotating-anode generator. The asymmetric unit is likely to contain two molecules, corresponding to a packing density of 2.9 A3 Da-1.
机译:Phosphopantetheine adenylyltransferase (PPAT提到过2.7.7.3)催化的倒数第二步骤辅酶A (CoA)生物合成、转让-phosphopantetheine腺苷组从ATP 4”,并形成dephospho-CoA。本机从大肠杆菌以及PPAT PPAT在复杂的基质。水晶属于空间群I23或I213单胞尺寸= 135.5。衍射分辨率1.8比铜Kalpha阳极转动发电机。单位可能包含两个分子,对应于一个存储密度2.9 A3

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