Crystal Structure of the ERp44-Peroxiredoxin 4 Complex Reveals the Molecular Mechanisms of Thiol-Mediated Protein Retention.
Crystal Structure of the ERp44-Peroxiredoxin 4 Complex Reveals the Molecular Mechanisms of Thiol-Mediated Protein Retention.
复制标题
ERp44-Peroxiredoxin 4 复合物的晶体结构揭示了硫醇介导的蛋白质保留的分子机制。
DOI:
10.1016/j.str.2016.08.002
复制
发表时间:
2016-10
期刊:
影响因子:
5.7
通讯作者:
Wang Xi
中科院分区:
文献类型:
--
作者:
Yang Kai;Li De-Feng;Wang Xi'e;Liang Jinzhao;Sitia Roberto;Wang Chih-chen;Wang Xi
ERp44 controls the localization and transport of diverse proteins in the early secretory pathway. The mechanisms that allow client recognition and the source of the oxidative power for forming intermolecular disulfides are as yet unknown. Here we present the structure of ERp44 bound to a client, peroxiredoxin 4. Our data reveal that ERp44 binds the oxidized form of peroxiredoxin 4 via thiol-disulfide interchange reactions. The structure explains the redox-dependent recognition and characterizes the essential non-covalent interactions at the interface. The ERp44-Prx4 covalent complexes can be reduced by glutathione and protein disulfide isomerase family members in the ER, allowing the two components to recycle. This work provides insights into the mechanisms of thiol-mediated protein retention and indicates the key roles of ERp44 in this biochemical cycle to optimize oxidative folding and redox homeostasis.
登录
查看更多内容
影响因子:
11.4
作者:
Tavender, Timothy J.;Springate, Jennifer J.;Bulleid, Neil J.
通讯作者:
Bulleid, Neil J.
影响因子:
4
作者:
Sannino S;Anelli T;Cortini M;Masui S;Degano M;Fagioli C;Inaba K;Sitia R
通讯作者:
Sitia R
影响因子:
16
作者:
Zito E;Melo EP;Yang Y;Wahlander Å;Neubert TA;Ron D
通讯作者:
Ron D
影响因子:
4.8
作者:
Hampe, Lutz;Radjainia, Mazdak;Mitra, Alok K.
通讯作者:
Mitra, Alok K.
影响因子:
3.6
作者:
Alloza, I;Baxter, A;Vandenbroeck, K
通讯作者:
Vandenbroeck, K