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首页> 外文期刊>Acta crystallographica.Section D. Biological crystallography >Crystallization and preliminary X-ray analysis of high-alkaline pectate lyase
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Crystallization and preliminary X-ray analysis of high-alkaline pectate lyase

机译:结晶和初步的x射线分析高碱性果胶酸裂解酶

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摘要

Pel-15, a high-alkaline pectate lyase (pectate transeliminase; E. C. 4.2.2.2) from Bacillus sp. strain KSM-P15, has been crystallized using the hanging-drop vapour-diffusion method at 277 K. Two different crystal forms were obtained and preliminary X-ray diffraction data were collected from each crystal form at 100 K. Both forms belong to the orthorhombic space group P2_12_12_1 and contain one molecule per asymmetric unit. The unit-cell parameters of form I are a = 43.2 (2), b = 60.2 (2), c = 82.2 (2) A and those of form II are a = 42.9 (1), b = 43.4 (1), c = 105.9 (3) A. Diffraction data to a resolution of 1.5 A were collected from form II crystals using a synchrotron-radiation source.
机译:Pel-15,一个高碱性果胶酸裂解酶(果胶酸盐transeliminase;应变KSM-P15一直使用的结晶在277 K悬滴vapour-diffusion方法。两个不同的晶体形式得到和初步的x射线衍射数据收集从每个晶体形式在100 K。属于集团P2_12_12_1斜方晶系的空间和每个不对称单元包含一个分子。晶胞参数的形式我= 43.2 (2),b = 60.2 (2), c = 82.2(2)的形式= 42.9 (1), b = 43.4 (1), c = 105.9(3)。衍射数据分辨率为1.5从形式收集第二晶体使用电脑同步源。

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