| Record Information |
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| Version | 2.0 |
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| Created at | 2006-05-22 14:17:31 UTC |
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| Updated at | 2021-06-29 00:47:18 UTC |
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| NP-MRD ID | NP0000509 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Methionine sulfoxide |
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| Description | Methionine sulfoxide belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. Methionine sulfoxide exists in all living species, ranging from bacteria to humans. Within humans, methionine sulfoxide participates in a number of enzymatic reactions. In particular, methionine sulfoxide can be biosynthesized from L-methionine through its interaction with the enzyme methionine-R-sulfoxide reductase B3. In addition, methionine sulfoxide can be biosynthesized from L-methionine through the action of the enzyme methionine-R-sulfoxide reductase b2, mitochondrial. In humans, methionine sulfoxide is involved in the metabolic disorder called hypermethioninemia. |
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| Structure | InChI=1S/C5H11NO3S/c1-10(9)3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-,10?/m0/s1 |
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| Synonyms | | Value | Source |
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| L-Methionine sulfoxide | ChEBI | | Methionine S-oxide | ChEBI | | L-Methionine sulphoxide | Generator | | Methionine sulphoxide | Generator | | Methionine sulfoxide, (R-(r*,s*))-isomer | HMDB | | Methionine sulfoxide, 35S-labeled, (+-)-isomer | HMDB | | Methionine sulfoxide, (S-(r*,s*))-isomer | HMDB | | Methionine sulfoxide, (2S)-isomer | HMDB | | Methionine sulfoxide, (2R)-isomer | HMDB | | Methionine sulfoxide, (+-)-isomer | HMDB | | DL-Methionine sulfoxide | HMDB | | L-Methionine S-oxide | HMDB | | Methionine sulfoxide | HMDB, MeSH |
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| Chemical Formula | C5H11NO3S |
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| Average Mass | 165.2100 Da |
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| Monoisotopic Mass | 165.04596 Da |
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| IUPAC Name | (2S)-2-amino-4-methanesulfinylbutanoic acid |
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| Traditional Name | L-methionine sulfoxide |
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| CAS Registry Number | 62697-73-8 |
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| SMILES | CS(=O)CC[C@H](N)C(O)=O |
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| InChI Identifier | InChI=1S/C5H11NO3S/c1-10(9)3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-,10?/m0/s1 |
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| InChI Key | QEFRNWWLZKMPFJ-YGVKFDHGSA-N |
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| Experimental Spectra |
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| | Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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| 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| | Predicted Spectra |
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| Not Available | | Chemical Shift Submissions |
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| Not Available | | Species |
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| Species of Origin | |
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| Species Where Detected | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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| Direct Parent | L-alpha-amino acids |
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| Alternative Parents | |
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| Substituents | - L-alpha-amino acid
- Thia fatty acid
- Fatty acid
- Fatty acyl
- Sulfoxide
- Amino acid
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Sulfinyl compound
- Carbonyl group
- Organic oxygen compound
- Organic nitrogen compound
- Primary amine
- Organosulfur compound
- Organooxygen compound
- Organonitrogen compound
- Amine
- Primary aliphatic amine
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Physical Properties |
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| State | Solid |
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| Experimental Properties | | Property | Value | Reference |
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| Melting Point | 232 - 234 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Predicted Properties | |
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| General References | - Schallreuter KU: Functioning methionine-S-sulfoxide reductases A and B are present in human skin. J Invest Dermatol. 2006 May;126(5):947-9. [PubMed:16619011 ]
- O'Donohue TL, Charlton CG, Thoa NB, Helke CJ, Moody TW, Pert A, Williams A, Miller RL, Jacobowitz DM: Release of alpha-melanocyte stimulating hormone into rat and human cerebrospinal fluid in vivo and from rat hypothalamus slices in vitro. Peptides. 1981 Spring;2(1):93-100. [PubMed:7243627 ]
- Boudier C, Cadene M, Bieth JG: Inhibition of neutrophil cathepsin G by oxidized mucus proteinase inhibitor. Effect of heparin. Biochemistry. 1999 Jun 29;38(26):8451-7. [PubMed:10387091 ]
- Mashima R, Nakanishi-Ueda T, Yamamoto Y: Simultaneous determination of methionine sulfoxide and methionine in blood plasma using gas chromatography-mass spectrometry. Anal Biochem. 2003 Feb 1;313(1):28-33. [PubMed:12576054 ]
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