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yuefeng506

金虫 (小有名气)


[交流] 求助晶体学高手

今天看了一篇文献 在摘要部分写到,对某蛋白的晶体解析做到了以下程度“P 2 1 2 1 2 1 crystals with unit-cell parameters a = 36.5, b = 59.7, c = 83.1 Å were obtained in hanging drops at 295 K using 25%( w / v ) PEG 4000, 0.05  M KH 2 PO 4 as precipitant. X-ray diffraction data have been obtained to 2.6 Å. The asymmetric unitcontains one molecule and has a solvent content of 32%. An isomorphous PtCl  derivative has been obtained.”
但是这篇文献没有给出晶体结构图,说是没解出来。明明都得到2.6 Å分辨率的晶体了,为什么解不出来最终的结构呢?

  本人刚开始做蛋白质晶体方面的工作,很多地方不太懂,实验室以前没做过这方面的,所以也没人带,希望各位大虾能多多帮助~~
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文章中的是单晶数据吗~!感觉像粉末衍射!如果是后者,对有机分子有时候解不出也是正常的!
2楼2011-07-18 18:53:22
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