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丫头7976

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[求助] 求帮忙理解一下这句话的意思 有关蛋白折叠的

Although proteins with internal duplications in which the two halves of the protein have opposite orientations in the membrane are quite common among the E. coli inner membrane proteins,we conclude that homologs with opposite membrane orientations, as well as proteins with a dual topolgy, are exceedingly rare. Possibly, protein folding and assembly are more efficient when the two oppositely oriented halves are part of a single polypeptide chain than when they aree expressed separately.
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fanliang1389

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爱与雨下(金币+1): 2011-10-26 12:05:31
丫头7976(金币+5, 翻译EPI+1): 谢谢 我再修改一下 辛苦你了 2011-10-26 16:24:51
丫头7976(金币+5): 2011-10-30 18:35:28
在E. coli 膜内蛋白之间,尽管具有内部重合的蛋白非常常见,在膜内该蛋白的两部分互相对立,但是我们推断在同系物中具有对立膜方向的包括具有二元阵列排列结构的蛋白都极其少见。可能的原因是当两个对立膜方向的部分在同一多肽链上时,蛋白质的折叠组装比其自己独立表达更有效。

有一点乱,主要是对于那个“opposite orientations ”不知道如何理解更好,大概就是这种现象很少见,出现这种结果的原因是这两个部分在一个多肽链上,并且由于蛋白质折叠和组装所产生的。楼主自己理解哈,仅供参考~~
2楼2011-10-26 11:43:12
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