Tetragonal chicken egg white lysozyme solubility in sodium chloride solutions

被引:116
作者
Forsythe, EL
Judge, RA
Pusey, ML [1 ]
机构
[1] NASA, George C Marshall Space Flight Ctr, Univ Space Res Assoc, Huntsville, AL 35812 USA
[2] NASA, George C Marshall Space Flight Ctr, Alliance Micrograv Mat Sci & Applicat, Huntsville, AL 35812 USA
[3] NASA, George C Marshall Space Flight Ctr, Biophys ES76, Huntsville, AL 35812 USA
关键词
D O I
10.1021/je980316a
中图分类号
O414.1 [热力学];
学科分类号
摘要
The solubility of chicken egg white lysozyme crystallized in the tetragonal form was measured in sodium chloride solutions from 1.6 to 30.7 degrees C, using a miniature column solubility apparatus. Sodium chloride solution concentrations ranged from 1 to 7% (w/v). The solutions were buffered with 0.1 M sodium acetate buffer, with the solubility being measured at pH values in 0.2 pH unit increments in the pH range 4.0-5.4, with data also included at pH 4.5. Lysozyme solubility was found to increase with increasing in temperature and decreasing salt concentration. Solution pH has a varied and unpredictable effect on solubility.
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收藏
页码:637 / 640
页数:4
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