CRYSTALLIZATION AND PRELIMINARY-X-RAY DIFFRACTION STUDIES OF BETA-CRYPTOGEIN, A TOXIC ELICITIN SECRETED BY THE PHYTOPATHOGENIC FUNGUS PHYTOPHTHORA-CRYPTOGEA

被引:9
作者
GUILLOTEAU, JP
NESPOULOUS, C
HUET, JC
BEAUVAIS, F
PERNOLLET, JC
BRUNIE, S
机构
[1] INRA,UNITE INGN PROT,BATIMENT BIOTECHNOL,F-78352 JOUY EN JOSAS,FRANCE
[2] INRA,ETUD PROT LAB,F-78026 VERSAILLES,FRANCE
关键词
ELICITIN; PHYTOPHTHORA-CRYPTOGEA; PROTEIN CRYSTALLOGRAPHY;
D O I
10.1006/jmbi.1993.1058
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Crystals of the basic elicitin secreted by Phytophthora cryptogea have been obtained by the hanging-drop method of vapor diffusion from sodium chloride solutions. The crystals belong to the tetragonal space group P4122 (or enantiomorph P4322), with unit cell dimensions a = b = 47 Å, c = 137 Å and probably contain two molecules per asymmetric unit. The crystals are very stable to X-rays and diffract to 2.2 Å resolution on a synchrotron radiation source.
引用
收藏
页码:564 / 565
页数:2
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