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嗜酸热原体转醛醇酶的结晶及初步X射线衍射分析

Crystallization and preliminary X-ray diffraction analysis of transaldolase from Thermoplasma acidophilum.

作者信息

Lehwess-Litzmann Anja, Neumann Piotr, Golbik Ralph, Parthier Christoph, Tittmann Kai

机构信息

Göttinger Zentrum für Molekulare Biowissenschaften, Georg-August-Universität Göttingen, Ernst-Caspari-Haus, Justus-von-Liebig-Weg 11, D-37077 Göttingen, Germany.

出版信息

Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 May 1;67(Pt 5):584-6. doi: 10.1107/S1744309111009274. Epub 2011 Apr 27.

Abstract

The metabolic enzyme transaldolase from Thermoplasma acidophilum was recombinantly expressed in Escherichia coli and could be crystallized in two polymorphic forms. Crystals were grown by the hanging-drop vapour-diffusion method using PEG 6000 as precipitant. Native data sets for crystal forms 1 and 2 were collected in-house to resolutions of 3.0 and 2.7 Å, respectively. Crystal form 1 belonged to the orthorhombic space group C222(1) with five monomers per asymmetric unit and crystal form 2 belonged to the monoclinic space group P2(1) with ten monomers per asymmetric unit.

摘要

嗜热栖热菌的代谢酶转醛醇酶在大肠杆菌中进行了重组表达,并能以两种多晶型形式结晶。使用聚乙二醇6000作为沉淀剂,通过悬滴气相扩散法生长晶体。内部收集了晶型1和晶型2的天然数据集,分辨率分别为3.0 Å和2.7 Å。晶型1属于正交晶系空间群C222(1),每个不对称单元有五个单体,晶型2属于单斜晶系空间群P2(1),每个不对称单元有十个单体。

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Crystallization and preliminary X-ray diffraction analysis of transaldolase from Thermoplasma acidophilum.嗜酸热原体转醛醇酶的结晶及初步X射线衍射分析
Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 May 1;67(Pt 5):584-6. doi: 10.1107/S1744309111009274. Epub 2011 Apr 27.
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本文引用的文献

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Transaldolase: from biochemistry to human disease.转醛醇酶:从生物化学到人类疾病
Int J Biochem Cell Biol. 2009 Jul;41(7):1482-94. doi: 10.1016/j.biocel.2009.02.001. Epub 2009 Feb 11.
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The three-dimensional structure of human transaldolase.人转醛醇酶的三维结构。
FEBS Lett. 2000 Jun 23;475(3):205-8. doi: 10.1016/s0014-5793(00)01658-6.

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