Biological hydropersulfides and related polysulfides - a new concept and perspective in redox biology.
Biological hydropersulfides and related polysulfides - a new concept and perspective in redox biology.
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DOI:
10.1002/1873-3468.13090
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发表时间:
2018-06
期刊:
影响因子:
3.5
通讯作者:
Akaike T
中科院分区:
文献类型:
--
作者:
Fukuto JM;Ignarro LJ;Nagy P;Wink DA;Kevil CG;Feelisch M;Cortese-Krott MM;Bianco CL;Kumagai Y;Hobbs AJ;Lin J;Ida T;Akaike T
The chemical biology of thiols (RSH, e.g., cysteine and cysteine‐containing proteins/peptides) has been a topic of extreme interest for many decades due to their reported roles in protein structure/folding, redox signaling, metal ligation, cellular protection, and enzymology. While many of the studies on thiol/sulfur biochemistry have focused on thiols, relatively ignored have been hydropersulfides (RSSH) and higher order polysulfur species (RSSnH, RSSnR, n > 1). Recent and provocative work has alluded to the prevalence and likely physiological importance of RSSH and related RSSnH. RSSH of cysteine (Cys‐SSH) has been found to be prevalent in mammalian systems along with Cys‐SSH‐containing proteins. The RSSH functionality has not been examined to the extent of other biologically relevant sulfur derivatives (e.g., sulfenic acids, disulfides, etc.), whose roles in cell signaling are strongly indicated. The recent finding of Cys‐SSH biosynthesis and translational incorporation into proteins is an unequivocal indication of its fundamental importance and necessitates a more profound look into the physiology of RSSH. In this Review, we discuss the currently reported chemical biology of RSSH (and related species) as a prelude to discussing their possible physiological roles.
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