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L-Methioninesulfoxide. Group: Biochemicals. Alternative Names: L-2-Amino-4- [methylsulfinyl] butanoic acid. Grades: Highly Purified. CAS No. 3226-65-1. Pack Sizes: 2g, 5g, 10g, 25g, 50g. Molecular Formula: C5H11NO3S. US Biological Life Sciences.
Worldwide
L-Methioninesulfoxide
L-Methioninesulfoxide is an orally active oxidation product of Methionine (HY-N0326). L-Methioninesulfoxide can be partially converted into Methionine in the body and participate in the synthesis of glutathione in the liver. L-Methioninesulfoxide provides the body with sulfur activity and can participate in the synthesis of proteins and sulfur-containing compounds [1] [2]. Uses: Scientific research. Group: Natural products. Alternative Names: H-Met(O)-OH. CAS No. 3226-65-1. Pack Sizes: 10 mM * 1 mL; 500 mg; 1 g; 5 g; 10 g. Product ID: HY-W010104.
L-Methioninesulfoxide 99+% (HPLC)
L-Methioninesulfoxide 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. CAS No. 3226-65-1. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
An intermediate in the synthesis of the acyclic amino carboxylic acid L-Methionine sulfoximine. Group: Biochemicals. Alternative Names: L-2-Amino-4- [methylsulfinyl] butanoic Acid. Grades: Highly Purified. Pack Sizes: 5g. US Biological Life Sciences.
Worldwide
L-methionine (S)-S-oxide reductase
Requires NADPH. The reaction occurs in the opposite direction to that given above. Dithiothreitol can replace reduced thioredoxin. L-Methionine (R)-S-oxide is not a substrate [see EC 1.8.4.14, L-methionine (R)-S-oxide reductase]. Group: Enzymes. Synonyms: fSMsr; methyl sulfoxide reductase I and II; acetylmethionine sulfoxide reductase; methionine sulfoxide reductase; L-methionine:oxidized-thioredoxin S-oxidoreductase; methionine-S-oxide reductase; free-methionine (S)-S-oxide reductase. Enzyme Commission Number: EC 1.8.4.13. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1668; L-methionine (S)-S-oxide reductase; EC 1.8.4.13; fSMsr; methyl sulfoxide reductase I and II; acetylmethionine sulfoxide reductase; methionine sulfoxide reductase; L-methionine:oxidized-thioredoxin S-oxidoreductase; methionine-S-oxide reductase; free-methionine (S)-S-oxide reductase. Cat No: EXWM-1668.
peptide-methionine (R)-S-oxide reductase
The reaction occurs in the reverse direction to that shown above. The enzyme exhibits high specificity for reduction of the R-form of methionine S-oxide, with higher activity being observed with L-methionine S-oxide than with D-methionine S-oxide. While both free and protein-bound methionine (R)-S-oxide act as substrates, the activity with the peptide-bound form is far greater. The enzyme plays a role in preventing oxidative-stress damage caused by reactive oxygen species by reducing the oxidized form of methionine back to methionine and thereby reactivating peptides that had been damaged. In some species, e.g. Neisseria meningitidis, both this enzyme and EC 1.8.4.11, pep...ulfoxide reductase (ambiguous); pMSR; methionine S-oxide reductase (ambiguous); selenoprotein R; methionine S-oxide reductase (R-form oxidizing); methionine sulfoxide reductase B; SelR; SelX; PilB; pRMsr. Enzyme Commission Number: EC 1.8.4.12. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1667; peptide-methionine (R)-S-oxide reductase; EC 1.8.4.12; MsrB; methionine sulfoxide reductase (ambiguous); pMSR; methionine S-oxide reductase (ambiguous); selenoprotein R; methionine S-oxide reductase (R-form oxidizing); methionine sulfoxide reductase B; SelR; SelX; PilB; pRMsr. Cat No: EXWM-1667.
peptide-methionine (S)-S-oxide reductase
The reaction occurs in the reverse direction to that shown above. The enzyme exhibits high specificity for the reduction of the S-form of L-methionine S-oxide, acting faster on the residue in a peptide than on the free amino acid.On the free amino acid, it can also reduce D-methionine (S)-S-oxide but more slowly. The enzyme plays a role in preventing oxidative-stress damage caused by reactive oxygen species by reducing the oxidized form of methionine back to methionine and thereby reactivating peptides that had been damaged. In some species, e.g. Neisseria meningitidis, both this enzyme and EC 1.8.4.12, peptide-methionine (R)-S-oxide reductase, are found within the same protein whereas, in other species, they are separate proteins. The reaction proceeds via a sulfenic-acid intermediate. Group: Enzymes. Synonyms: MsrA; methionine sulfoxide reduc. Enzyme Commission Number: EC 1.8.4.11. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1666; peptide-methionine (S)-S-oxide reductase; EC 1.8.4.11; MsrA; methionine sulfoxide reductase (ambiguous); methionine sulphoxide reductase A; methionine S-oxide reductase (ambiguous); methionine S-oxide reductase (S-form oxidizing); methionine sulfoxide reductase A; peptide methionine sulfoxide reductase. Cat No: EXWM-1666.
L-isoleucine 4-hydroxylase
The enzyme, characterized from the bacterium Bacillus thuringiensis, can also catalyse the hydroxylation of L-leucine, L-norvaline, L-norleucine, and L-allo-isoleucine, as well as the sulfoxidation of L-methionine, L-ethionine, S-methyl-L-cysteine, S-ethyl-L-cysteine, and S-allyl-L-cysteine. Group: Enzymes. Synonyms: ido (gene name). Enzyme Commission Number: EC 1.14.11.45. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-0664; L-isoleucine 4-hydroxylase; EC 1.14.11.45; ido (gene name). Cat No: EXWM-0664.
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