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; …

Recharging oxidative protein repair: catalysis by methionine sulfoxide reductases towards their amino acid, protein, and model substrates

L Tarrago, VN Gladyshev - Biochemistry (Moscow), 2012 - Springer
The sulfur-containing amino acid methionine (Met) in its free and amino acid residue forms
can be readily oxidized to the R and S diastereomers of methionine sulfoxide (MetO) …

The Neisseria gonorrhoeae Methionine Sulfoxide Reductase (MsrA/B) Is a Surface Exposed, Immunogenic, Vaccine Candidate

FEC Jen, EA Semchenko, CJ Day, KL Seib… - Frontiers in …, 2019 - frontiersin.org
Control of the sexually transmitted infection gonorrhea is a major public health challenge,
due to the recent emergence of multidrug resistant strains of Neisseria gonorrhoeae, and …

Enzymatic NN bond formation: Mechanism for the N-nitroso synthesis catalyzed by non-heme iron SznF enzyme

H Yang, SL Chen - Journal of Catalysis, 2021 - Elsevier
Enzymatic Nsingle bondN bond formation is rare. Herein, the mechanism for the N-
nitrosation from N δ-hydroxy-N ω-hydroxy-N ω-methyl-L-arginine (L-HMA) catalyzed by …

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 …

QM/MM investigation of the discriminatory pre-transfer editing mechanism operated by Lysyl-tRNA synthetase

BF Ion, MM Aboelnga, JW Gauld - Journal of Biomolecular …, 2024 - Taylor & Francis
Aminoacyl-tRNA synthetases (aaRSs) are essential enzymes that remarkable facilitate the
aminoacylation process during translation. With a high fidelity, the mischarged tRNA is …

A molecular dynamics and quantum mechanics/molecular mechanics study of the catalytic reductase mechanism of methionine sulfoxide reductase A: Formation and …

HM Dokainish, JW Gauld - Biochemistry, 2013 - ACS Publications
The catalytic mechanism of MsrA in Mycobacterium tuberculosis, in which S-methionine
sulfoxide (Met-O) is reduced to methionine (Met), has been investigated using docking …

Revealing Unexpected Mechanisms for Nucleophilic Attack on S S and Se Se Bridges

GS Heverly‐Coulson, RJ Boyd, O Mó… - … –A European Journal, 2013 - Wiley Online Library
The reactivity of disulfide and diselenide derivatives towards F− and CN− nucleophiles has
been investigated by means of B3PW91/6‐311+ G (2df, p) calculations. This theoretical …

Reply to the “Comment on'A Sulfonium Cation Intermediate in the Mechanism of Methionine Sulfoxide Reductase B: A DFT Study'”

JJ Robinet, HM Dokainish, DJ Paterson… - The Journal of …, 2011 - ACS Publications
MsrB. In particular, they acknowledged that the formation of a sulfonium cation along the
catalytic pathway was convincingly1 shown. Incidentally, they noted that our subsequent …