Methionine sulfoxide reductase: chemistry, substrate binding, recycling process and oxidase activity

S Boschi-Muller, G Branlant - Bioorganic chemistry, 2014 - Elsevier
Three classes of methionine sulfoxide reductases are known: MsrA and MsrB which are
implicated stereo-selectively in the repair of protein oxidized on their methionine residues; …

Thiol redox biochemistry: insights from computer simulations

A Zeida, CM Guardia, P Lichtig, LL Perissinotti… - Biophysical …, 2014 - Springer
Thiol redox chemical reactions play a key role in a variety of physiological processes, mainly
due to the presence of low-molecular-weight thiols and cysteine residues in proteins …

Discovery and Rational Mutagenesis of Methionine Sulfoxide Reductase Biocatalysts To Expand the Substrate Scope of the Kinetic Resolution of Chiral Sulfoxides

S Anselmi, ATP Carvalho, A Serrano-Sanchez… - ACS …, 2023 - ACS Publications
Methionine sulfoxide reductase A (MsrA) enzymes have recently found applications as
nonoxidative biocatalysts in the enantioselective kinetic resolution of racemic sulfoxides …

Catalytic Mechanism of Mycobacterium tuberculosis Methionine Sulfoxide Reductase A

S Sastre, B Manta, JA Semelak, D Estrin, M Trujillo… - Biochemistry, 2024 - ACS Publications
The oxidation of Met to methionine sulfoxide (MetSO) by oxidants such as hydrogen
peroxide, hypochlorite, or peroxynitrite has profound effects on protein function. This …

The Key Role of Chalcogenurane Intermediates in the Reduction Mechanism of Sulfoxides and Selenoxides by Thiols Explored In Silico

A Madabeni, L Orian - International Journal of Molecular Sciences, 2023 - mdpi.com
Sulfoxides and selenoxides oxidize thiols to disulfides while being reduced back to sulfides
and selenides. While the reduction mechanism of sulfoxides to sulfides has been thoroughly …

Molecular Mechanisms of the Methionine Sulfoxide Reductase System from Neisseria meningitidis

S Boschi-Muller - Antioxidants, 2018 - mdpi.com
Neisseria meningitidis, an obligate pathogenic bacterium in humans, has acquired different
defense mechanisms to detect and fight the oxidative stress generated by the host's defense …

Formation of a stable iminol intermediate in the redox regulation mechanism of protein tyrosine phosphatase 1B (PTP1B)

HM Dokainish, JW Gauld - ACS Catalysis, 2015 - ACS Publications
Protein tyrosine phosphatase 1B (PTP1B) is a key enzyme in a variety of physiological
processes including insulin and leptin signaling. Experimentally it has been previously …

Multi-scale computational enzymology: Enhancing our understanding of enzymatic catalysis

R Gherib, HM Dokainish, JW Gauld - International Journal of Molecular …, 2013 - mdpi.com
Elucidating the origin of enzymatic catalysis stands as one the great challenges of
contemporary biochemistry and biophysics. The recent emergence of computational …

Structural analysis of 1-Cys type selenoprotein methionine sulfoxide reductase A

EH Lee, GH Kwak, MJ Kim, HY Kim… - Archives of biochemistry …, 2014 - Elsevier
Methionine sulfoxide reductase A (MsrA) reduces free and protein-based methionine-S-
sulfoxide to methionine. Structures of 1-Cys MsrAs lacking a resolving Cys, which interacts …

Kinetic evidence that methionine sulfoxide reductase A can reveal its oxidase activity in the presence of thioredoxin

A Kriznik, S Boschi-Muller, G Branlant - Archives of biochemistry and …, 2014 - Elsevier
The mouse methionine sulfoxide reductase A (MsrA) belongs to the subclass of MsrAs with
one catalytic and two recycling Cys corresponding to Cys51, Cys198 and Cys206 in …