Crystal structure of the cataract-causing P23T γD-crystallin mutant.

Crystal structure of the cataract-causing P23T γD-crystallin mutant.
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DOI:
10.1002/prot.24321
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发表时间:
2013-09
影响因子:
2.9
通讯作者:
Gronenborn, Angela M.
Gronenborn, Angela M.
中科院分区:
生物学4区
文献类型:
--
作者:
Ji, Fangling;Koharudin, Leonardus M. I.;Jung, Jinwon;Gronenborn, Angela M.

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迄今为止,使人γD-晶状体蛋白白内障相关的P23T突变体结晶的努力尚未成功。因此,对该突变体光散射机制的了解完全是从解决方案工作中获得的。在这里,我们展示了 P23T 突变体的第一个晶体结构,分辨率为 2.5Å。该蛋白质表现出与野生型蛋白质基本相同的整体结构。根据我们的结构数据,我们确认突变没有引起重大构象变化,并且突变体的溶液相特性似乎与白内障形成完全相关。
Up to now, efforts to crystallize the cataract-associated P23T mutant of human γD-crystallin have not been successful. Therefore, insights into the light scattering mechanism of this mutant have been exclusively obtained from solution work. Here we present the first crystal structure of the P23T mutant at 2.5Å resolution. The protein exhibits essentially the same overall structure as seen for the wild-type protein. Based on our structural data, we confirm that no major conformational changes are caused by the mutation, and that solution phase properties of the mutant appear exclusively associated with cataract formation.
DOI: 10.1021/bi100664s
发表时间: 2010-07-27
期刊: BIOCHEMISTRY
影响因子: 2.9
作者:
Pande, Ajay;Ghosh, Kalyan S.;Banerjee, Priya R.;Pande, Jayanti
通讯作者: Pande, Jayanti
DOI: 10.1016/s0065-3233(08)60287-9
发表时间: 1990-01-01
影响因子: --
作者:
Eaton, W A;Hofrichter, J
通讯作者: Hofrichter, J
DOI: 10.1073/pnas.040554397
发表时间: 2000-02-29
影响因子: 11.1
作者:
Pande, A;Pande, J;Benedek, GB
通讯作者: Benedek, GB
DOI: 10.1074/jbc.m112.416354
发表时间: 2013-01-04
影响因子: 4.8
作者:
Ji, Fangling;Jung, Jinwon;Gronenborn, Angela M.
通讯作者: Gronenborn, Angela M.
DOI: 10.1107/s0907444904019158
发表时间: 2004-12-01
影响因子: 2.2
作者:
Emsley, P;Cowtan, K
通讯作者: Cowtan, K