Selenoproteins: molecular pathways and physiological roles

VM Labunskyy, DL Hatfield… - Physiological …, 2014 - journals.physiology.org
Selenium is an essential micronutrient with important functions in human health and
relevance to several pathophysiological conditions. The biological effects of selenium are …

Endoplasmic reticulum-resident selenoproteins as regulators of calcium signaling and homeostasis

MW Pitts, PR Hoffmann - Cell Calcium, 2018 - Elsevier
The human selenoprotein family contains 25 members that share the common feature of
containing the amino acid, selenocysteine (Sec). Seven selenoproteins are localized to the …

Modeling the catalytic cycle of glutathione peroxidase by nuclear magnetic resonance spectroscopic analysis of selenocysteine selenenic acids

R Masuda, R Kimura, T Karasaki… - Journal of the American …, 2021 - ACS Publications
Although selenocysteine selenenic acids (Sec–SeOHs) have been recognized as key
intermediates in the catalytic cycle of glutathione peroxidase (GPx), examples of the direct …

Selenium cytotoxicity in cancer

M Wallenberg, S Misra… - Basic & clinical …, 2014 - Wiley Online Library
Selenium is an essential trace element with growth‐modulating properties. Decades of
research clearly demonstrate that selenium compounds inhibit the growth of malignant cells …

The selenocysteine toolbox: A guide to studying the 21st amino acid

CZ Chung, N Krahn - Archives of biochemistry and biophysics, 2022 - Elsevier
Abstract Selenocysteine (Sec), the 21st genetically encoded amino acid, is structurally
similar to cysteine (Cys) but with a sulfur to selenium replacement. This small change …

Emerging roles of endoplasmic reticulum-resident selenoproteins in the regulation of cellular stress responses and the implications for metabolic disease

AB Addinsall, CR Wright, S Andrikopoulos… - Biochemical …, 2018 - portlandpress.com
Chronic metabolic stress leads to cellular dysfunction, characterized by excessive reactive
oxygen species, endoplasmic reticulum (ER) stress and inflammation, which has been …

[HTML][HTML] Selenoprotein S-dependent selenoprotein K binding to p97 (VCP) protein is essential for endoplasmic reticulum-associated degradation

JH Lee, KJ Park, JK Jang, YH Jeon, KY Ko… - Journal of Biological …, 2015 - ASBMB
Cytosolic valosin-containing protein (p97 (VCP)) is translocated to the ER membrane by
binding to selenoprotein S (SelS), which is an ER membrane protein, during endoplasmic …

Natural and synthetic selenoproteins

N Metanis, D Hilvert - Current opinion in chemical biology, 2014 - Elsevier
Highlights•Selenocysteine endows proteins with novel redox properties.•New recombinant
and chemical methods are facilitating selenoprotein production.•Many natural …

[HTML][HTML] Biological and catalytic properties of selenoproteins

J Chaudière - International Journal of Molecular Sciences, 2023 - mdpi.com
Selenocysteine is a catalytic residue at the active site of all selenoenzymes in bacteria and
mammals, and it is incorporated into the polypeptide backbone by a co-translational process …

Selenoprotein S: A versatile disordered protein

F Ghelichkhani, FA Gonzalez, MA Kapitonova… - Archives of biochemistry …, 2022 - Elsevier
Selenoprotein S (selenos) is a small, intrinsically disordered membrane protein that is
associated with various cellular functions, such as inflammatory processes, cellular stress …