Solubility diagram of the Rhodobacter sphaeroides reaction center as a function of PEG concentration

被引:14
作者
Gaucher, JF
RiesKautt, M
ReissHusson, F
Ducruix, A
机构
[1] CNRS,LAB ENZYMOL & BIOCHIM STRUCT,F-91198 GIF SUR YVETTE,FRANCE
[2] CNRS,CTR GENET MOL,F-91198 GIF SUR YVETTE,FRANCE
关键词
beta-octylglucoside; crystallization; solubility; membrane protein; photochemical reaction center; polyethylene glycol;
D O I
10.1016/S0014-5793(96)01446-9
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
In order to quantify the effect of polyethylene glycol 4000 (PEG) on the solubility of an integral membrane protein, we have crystallized the photochemical reaction center from Rhodobacter sphaeroides Y by batch method on a large range of PEG, The measurement of the solubility diagram display a semi-logarithmic dependence of solubility versus PEG concentration, Comparison of our results with previously published ones [Odahara, T., Ataka, M. and Katsura, M. (1991) Acta Cryst. D50, 639-642] suggests a notable effect of additional 1,2,3-heptane-triol and/or temperature on photochemical reaction center solubility.
引用
收藏
页码:113 / 116
页数:4
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