Crystallization and preliminary X-ray crystallographic studies of alpha-galactosidase I from Mortierella vinacea.

Fujimoto Z; Kim WD; Kaneko SPark GGMomma MKobayashi HMizuno H

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Crystallization and preliminary X-ray crystallographic studies of alpha-galactosidase I from Mortierella vinacea.

机译：结晶和初步的x射线晶体的研究alpha-galactosidase我从Mortierella vinacea。

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alpha-Galactosidases catalyze the hydrolysis of a galactosyl residue from galactooligosaccharides and galactopolysaccharides. alpha-Galactosidase I from Mortierella vinacea was crystallized in two crystal forms using the hanging-drop vapour-diffusion method. Type 1 crystals belonged to space group I422, with unit-cell parameters a = b = 142.4, c = 131.5 A, and diffracted to beyond 2.1 A resolution, while type 2 crystals belonged to space group P4, with unit-cell parameters a = b = 100.9, c = 102.7 A, and diffracted to beyond 1.6 A resolution. This enzyme crystallized as a glycoprotein tetramer and the tetrameric structure was located around the crystallographic fourfold axis.

机译：alpha-Galactosidases催化的水解半乳糖残基低聚半乳糖的和galactopolysaccharides。从Mortierella vinacea在两个结晶使用悬滴水晶形式vapour-diffusion方法。空间群I422,晶胞参数= b = 142.4, c = 131.5,和衍射超出2.1决议,而2型晶体属于空间群P4,晶胞参数a = b = 100.9, c = 102.7,衍射超出1.6一项决议。酶作为糖蛋白四聚物结晶坐落在和四聚物的结构晶体四轴。

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《Acta crystallographica.Section D. Biological crystallography》 |2003年第12期|2289-2291|共3页
作者
Fujimoto Z; Kim WD; Kaneko SPark GGMomma MKobayashi HMizuno H;
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作者单位

Department of Biochemistry, National Institute of Agrobiological Sciences, Tsukuba 305-8602, Japan.;

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正文语种英语
中图分类化学;
关键词
Galactooligosaccharides; alpha-Galactosidase; MortierellaX-rayscrystal outlineCrystallization;

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Crystallization and preliminary X-ray crystallographic studies of alpha-galactosidase I from Mortierella vinacea.

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