Results 101 to 110 of about 81,363 (150)

Studies of Methionine Sulfoxide. II. The Transformation of Methionine Hydantoin Sulfoxide [PDF]

Bulletin of the Chemical Society of Japan, 1964
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Focus on Molecules: Methionine sulfoxide reductase A [PDF]

Experimental Eye Research, 2012
Marc, Kantorow, Wanda, Lee, Daniel, Chauss   +2 more
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Bioavailability of Methionine Sulfoxide; supplementary effect of threonine on fatty liver induced by methionine sulfoxide

Bioavailability of Methionine Sulfoxide; supplementary effect of threonine on fatty liver induced by methionine sulfoxide
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Proteomic Method for the Quantification of Methionine Sulfoxide

Annals of the New York Academy of Sciences, 2005
Abstract: Glycoxidation and lipoxidation reactions contribute to the chemical modification of proteins during the Maillard reaction. Reactive oxygen species, produced during the oxidation of sugars and lipids in these processes, irreversibly oxidize proteins.
Brock, J.W.C., Cotham, W.C., Ames, Jennifer, Thorpe, Suzanne, Baynes, John   +4 more
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Functions and evolution of selenoprotein methionine sulfoxide reductases [PDF]

Biochimica Et Biophysica Acta - General Subjects, 2009
Methionine sulfoxide reductases (Msrs) are thiol-dependent enzymes which catalyze conversion of methionine sulfoxide to methionine. Three Msr families, MsrA, MsrB, and fRMsr, are known.
Byung Cheon Lee, Vadim N. Gladyshev, Alexander Dikiy   +2 more
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Antiinflammatory activity of methionine, methionine sulfoxide and methionine sulfone

Agents and Actions, 1990
The oxidation of methionine in peptides is often associated with the loss of biological activity. Since methionine showed good antiinflammatory activity, its oxidized products methionine sulfoxide and methionine sulfone were tested. The sulfone was more active than the sulfoxide although methionine was most active indicating that the antiinflammatory ...
M K, Unnikrishnan, M N, Rao
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Methionine sulfoxide and the methionine sulfoxide reductase system as modulators of signal transduction pathways: a review

Amino Acids, 2021
Methionine oxidation and reduction is a common phenomenon occurring in biological systems under both physiological and oxidative-stress conditions. The levels of methionine sulfoxide (MetO) are dependent on the redox status in the cell or organ, and they are usually elevated under oxidative-stress conditions, aging, inflammation, and oxidative-stress ...
Jackob Moskovitz, Adam Smith
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The Quantitative Oxidation of Methionine to Methionine Sulfoxide by Peroxynitrite

Archives of Biochemistry and Biophysics, 2000
Both peroxynitrous acid and peroxynitrite react with methionine, k(acid) = (1.7 +/- 0.1) x 10(3) M(-1) s(-1) and k(anion) = 8.6 +/- 0.2 M(-1) s(-1), respectively, and with N-acetylmethionine k(acid) = (2.8 +/- 0.1) x 10(3) M(-1) s(-1) and k(anion) = 10.0 +/- 0.1 M(-1) s(-1), respectively, to form sulfoxides.
Perrin D, Koppenol WH
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Lens methionine sulfoxide reductase

Biochemical and Biophysical Research Communications, 1982
Abstract Investigation of human and bovine lenses has demonstrated the presence of a methionine sulfoxide (Met(O)) peptide reductase activity. The reductase can use either dithiothreitol or thioredoxin but not glutathione as a reducing agent. The enzyme is present primarily in the water soluble fraction.
A, Spector, R, Scotto, H, Weissbach, N, Brot   +3 more
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Methionine sulfoxide reductases in prokaryotes

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics, 2005
In living organisms, most methionine residues exposed to reactive oxygen species (ROS) are converted to methionine sulfoxides. This reaction can lead to structural modifications and/or inactivation of proteins. Recent years have brought a wealth of new information on methionine sulfoxide reductase A (MsrA) and B (MsrB) which makes methionine oxidation ...
Benjamin, Ezraty, Laurent, Aussel, Frédéric, Barras   +2 more
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