Mass spectrometric detection of iron nitrosyls, sulfide oxidation and mycothiolation during nitrosylation of the NO sensor [4Fe-4S] NsrR.
Mass spectrometric detection of iron nitrosyls, sulfide oxidation and mycothiolation during nitrosylation of the NO sensor [4Fe-4S] NsrR.
复制标题
NO传感器[4FE-4S] NSRR的亚硝基化过程中亚硝基素,硫化物氧化和霉菌性的质谱检测。
DOI:
10.1039/c8cc01339j
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发表时间:
2018-06-08
期刊:
影响因子:
--
通讯作者:
Le Brun NE
中科院分区:
文献类型:
--
作者:
Crack JC ;Hamilton CJ ;Le Brun NE
Identification of RRE-type iron-nitrosyl species formed upon nitrosylation of [4Fe–4S] NsrR. The bacterial nitric oxide (NO)-sensing transcriptional regulator NsrR binds a [4Fe–4S] cluster that enables DNA-binding and thus repression of the cell's NO stress response. Upon exposure to NO, the cluster undergoes a complex nitrosylation reaction resulting in a mixture of iron-nitrosyl species, which spectroscopic studies have indicated are similar to well characterized low molecular weight dinitrosyl iron complex (DNIC), Roussin's Red Ester (RRE) and Roussin's Black Salt (RBS). Here we report mass spectrometric studies that enable the unambiguous identification of NsrR-bound RRE-type species, including a persulfide bound form that results from the oxidation of cluster sulfide. In the presence of the low molecular weight thiols glutathione and mycothiol, glutathionylated and mycothiolated forms of NsrR were readily formed.
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影响因子:
16.8
作者:
Rajagopalan, Senapathy;Teter, Sarah J.;Zwart, Petrus H.;Brennan, Richard G.;Phillips, Kevin J.;Kiley, Patricia J.
通讯作者:
Kiley, Patricia J.
DOI:
10.1074/jbc.m115.693192
发表时间:
2016-04-15
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Crack JC;Svistunenko DA;Munnoch J;Thomson AJ;Hutchings MI;Le Brun NE
通讯作者:
Le Brun NE
影响因子:
7.4
作者:
Johnson, KA;Verhagen, MFJM;Amster, IJ
通讯作者:
Amster, IJ
影响因子:
5.4
作者:
Shepard, William;Soutourina, Olga;Martin-Verstraete, Isabelle
通讯作者:
Martin-Verstraete, Isabelle
DOI:
10.1074/jbc.m115.643072
发表时间:
2015-05-15
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Crack JC;Munnoch J;Dodd EL;Knowles F;Al Bassam MM;Kamali S;Holland AA;Cramer SP;Hamilton CJ;Johnson MK;Thomson AJ;Hutchings MI;Le Brun NE
通讯作者:
Le Brun NE