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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 07:52:55 UTC
Update Date2021-09-26 23:02:25 UTC
HMDB IDHMDB0250776
Secondary Accession NumbersNone
Metabolite Identification
Common NameD-Methionine (S)-S-oxide
DescriptionMethionine sulfoxide belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon). In humans, methionine sulfoxide is involved in the metabolic disorder called hypermethioninemia. Methionine sulfoxide is found, on average, in the highest concentration within a few different foods, such as barleys (Hordeum vulgare), green beans (Phaseolus vulgaris), and broccolis (Brassica oleracea var. italica) and in a lower concentration in red beetroots (Beta vulgaris var. rubra), red bell peppers (Capsicum annuum), and yellow bell peppers (Capsicum annuum). Methionine sulfoxide has also been detected, but not quantified in, several different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), domestic pigs (Sus scrofa domestica), and milk (cow). This could make methionine sulfoxide a potential biomarker for the consumption of these foods. Methionine sulfoxide is a primary metabolite. Primary metabolites are metabolically or physiologically essential metabolites. They are directly involved in an organism’s growth, development or reproduction. Based on a literature review a significant number of articles have been published on Methionine sulfoxide. This compound has been identified in human blood as reported by (PMID: 31557052 ). D-methionine (s)-s-oxide is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically D-Methionine (S)-S-oxide is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
Methionine sulphoxideGenerator
Methionine sulfoxide, (+-)-isomerMeSH
Methionine sulfoxide, (2R)-isomerMeSH
Methionine sulfoxide, (2S)-isomerMeSH
Methionine sulfoxide, (R-(r*,s*))-isomerMeSH
Methionine sulfoxide, (S-(r*,s*))-isomerMeSH
Methionine sulfoxide, 35S-labeled, (+-)-isomerMeSH
2-amino-4-(Methylsulfinyl)-butanoateHMDB
2-amino-4-(Methylsulfinyl)-butanoic acidHMDB
alpha-amino-gamma-(Methylsulfinyl)-butyric acidHMDB
DL-Methionine sulfoxideHMDB
L-Methionine (S)-S-oxideHMDB
L-Methionine R-oxideHMDB
L-Methionine sulfoxideHMDB
Met-soHMDB
S-Oxide-methionineHMDB
Chemical FormulaC5H11NO3S
Average Molecular Weight165.211
Monoisotopic Molecular Weight165.045963913
IUPAC Name2-amino-4-methanesulfinylbutanoic acid
Traditional NameDL-methionine sulfoxide
CAS Registry NumberNot Available
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 alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon).
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acids
Alternative Parents
Substituents
  • Alpha-amino acid
  • Thia fatty acid
  • Fatty acyl
  • Fatty acid
  • Sulfoxide
  • Amino acid
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Sulfinyl compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Primary amine
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Primary aliphatic amine
  • Organic oxygen compound
  • Carbonyl group
  • Amine
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Source
Process
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB022789
KNApSAcK IDC00051545
Chemspider ID824
KEGG Compound IDNot Available
BioCyc IDCPD0-1959
BiGG IDNot Available
Wikipedia LinkMethionine sulfoxide
METLIN IDNot Available
PubChem Compound847
PDB IDNot Available
ChEBI ID49033
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]