Record Information
Version1.0
Creation Date2016-07-13 19:48:23 UTC
Update Date2021-04-30 20:57:44 UTC
LmdbLMDB00373
Secondary Accession NumbersNone
Metabolite Identification
Common NameMethionine sulfoxide
DescriptionMethionine 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 is a very strong basic compound (based on its pKa). 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; which is catalyzed by the enzyme methionine-R-sulfoxide reductase b2, mitochondrial. Oxidation of methionine residues in tissue proteins can cause them to misfold or otherwise render them dysfunctional. In humans, methionine sulfoxide is involved in methionine metabolism. Thioredoxin serves to recycle by reduction some of the methionine sulfoxide reductase family of enzymes, whereas others can be reduced by metallothionein. Transgenically increasing the levels of MsrA in either the cytosol or the mitochondria had no significant effect on lifespan assessed by most standard statistical tests, and may possibly have led to early deaths in the cytosol-specific mice, although the survival curves appeared to suggest a slight increase in maximum (90%) survivorship, as did analysis using Boschloo's Exact test, a binomial test designed to test greater extreme variation. There is thus a rationale for thinking that by maintaining the structure, increased levels or activity of MsrA might retard the rate of aging. The oxidized residues tend to be arrayed around the active site and may guard access to this site by reactive oxygen species. The sulfur-containing amino acids methionine and cysteine are more easily oxidized than the other amino acids.
Structure
Thumb
Synonyms
ValueSource
L-Methionine sulfoxideChEBI
Methionine S-oxideChEBI
L-Methionine sulphoxideGenerator
Methionine sulphoxideGenerator
Methionine sulfoxide, (R-(r*,s*))-isomerHMDB
Methionine sulfoxide, 35S-labeled, (+-)-isomerHMDB
Methionine sulfoxide, (S-(r*,s*))-isomerHMDB
Methionine sulfoxide, (2S)-isomerHMDB
Methionine sulfoxide, (2R)-isomerHMDB
Methionine sulfoxide, (+-)-isomerHMDB
DL-Methionine sulfoxideHMDB
L-Methionine S-oxideHMDB
Methionine sulfoxideHMDB
Chemical FormulaC5H11NO3S
Average Molecular Weight165.211
Monoisotopic Molecular Weight165.045963913
IUPAC Name(2S)-2-amino-4-methanesulfinylbutanoic acid
Traditional NameL-methionine sulfoxide
CAS Registry Number62697-73-8
SMILES
CS(=O)CCC(N)C(O)=O
InChI Identifier
InChI=1S/C5H11NO3S/c1-10(9)3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)
InChI KeyQEFRNWWLZKMPFJ-UHFFFAOYSA-N
Chemical Taxonomy
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.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentL-alpha-amino acids
Alternative Parents
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
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
StatusDetected and Quantified
OriginNot Available
BiofunctionNot Available
ApplicationNot Available
Cellular locationsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP-2.4ALOGPS
logP-4.6ChemAxon
logS-0.49ALOGPS
pKa (Strongest Acidic)1.74ChemAxon
pKa (Strongest Basic)9.11ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area80.39 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity39.34 m³·mol⁻¹ChemAxon
Polarizability15.98 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-004i-0900000000-6639ef576db5a01f8ee5Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-004i-0910000000-4231d540eda02eebe871Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-004i-0900000000-f0849e8acf9a3e1e2763Spectrum
GC-MSGC-MS Spectrum - GC-MS (3 TMS)splash10-004i-1910000000-b7a64800b9e577e219d4Spectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-004i-1910000000-b7a64800b9e577e219d4Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-004i-0900000000-a5138c4f03667c81645cSpectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-004i-0910000000-b8f17a35f754f6a2adffSpectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-004i-0900000000-40d23196cb4ee1cad23fSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-00di-9400000000-cac8577601b69f1b723aSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-00di-9000000000-43361da834d0b07907fdSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-00di-9000000000-6090b56aa5a22d72fb4fSpectrum
LC-MS/MSLC-MS/MS Spectrum - 35V, Negativesplash10-03kc-9400000000-f71dc9c687b7114eed8bSpectrum
LC-MS/MSLC-MS/MS Spectrum - 35V, Positivesplash10-0a4i-9100000000-b03227c3dde8ee858ffbSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-03di-9500000000-a4583e8c3a4365d330e2Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-03di-9000000000-433cb4a770ae8f69c615Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-ff3de228e84a6b4470bcSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-9400000000-7375ade3d9a2e79890d4Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0ab9-9000000000-4fa3654466563449190cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4i-9000000000-375f7404d6c31bdf96b3Spectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
2D NMR[1H,13C] 2D NMR SpectrumNot AvailableSpectrum
Biological Properties
Cellular LocationsNot Available
Biofluid Locations and Tissue Locations
  • Ruminal Fluid
  • Serum
Concentrations
BiofluidStatusValueConditionSpeciesReferenceDetails
Ruminal FluidDetected and Quantified20.84 +/- 15.4 uMNot AvailableBovine
    • Saleem F, Bouatra...
details
SerumDetected and Quantified6.64 uMNot AvailablePorcine
    • Barbara U. Metzle...
details
SerumDetected and Quantified7.12 uMNot AvailablePorcine
    • Barbara U. Metzle...
details
SerumDetected and Quantified7.6 uMNot AvailablePorcine
    • Barbara U. Metzle...
details
SerumDetected and Quantified4.3644 +/- 3.3967 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified4.7581 +/- 2.6772 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified4.6844 +/- 2.2635 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified4.1889 +/- 2.0396 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified5.5452 +/- 2.2311 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified5.3533 +/- 2.9404 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified5.91 +/- 2.81 uMNot AvailableOvine
    • Candidate serum m...
details
SerumDetected and Quantified5.2467 +/- 2.8103 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified5.1712 +/- 2.3741 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified4.56 +/- 2.4806 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified4.7923 +/- 1.866 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified5.1381 +/- 1.9709 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified5.0393 +/- 2.4802 uM
Normal
Ovine
    • Goldansaz et al.,...
details
SerumDetected and Quantified6.41 uMNot AvailablePorcine
    • Barbara U. Metzle...
details
DrugBank IDNot Available
HMDB IDHMDB0002005
FooDB IDFDB022789
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDCPD0-1959
METLIN ID6428
PDB IDNot Available
Wikipedia LinkMethionine sulfoxide
Chemspider ID139840
ChEBI ID17016
PubChem Compound ID158980
Kegg Compound IDC02989
YMDB IDYMDB01557
ECMDB IDECMDB02005
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. 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. [12576054 ]