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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2012-09-06 21:03:03 UTC
Update Date2021-09-14 15:46:12 UTC
HMDB IDHMDB0028935
Secondary Accession Numbers
  • HMDB28935
Metabolite Identification
Common NameLeucyl-Methionine
DescriptionLeucyl-Methionine is a dipeptide composed of leucine and methionine. It is an incomplete breakdown product of protein digestion or protein catabolism. Some dipeptides are known to have physiological or cell-signaling effects although most are simply short-lived intermediates on their way to specific amino acid degradation pathways following further proteolysis. This dipeptide has not yet been identified in human tissues or biofluids and so it is classified as an 'Expected' metabolite.
Structure
Data?1582753357
Synonyms
ValueSource
L-Leucyl-L-methionineHMDB
L-m DipeptideHMDB
Leu-metHMDB
Leucine methionine dipeptideHMDB
Leucine-methionine dipeptideHMDB
LeucylmethionineHMDB
LM DipeptideHMDB
2-[(2-Amino-1-hydroxy-4-methylpentylidene)amino]-4-(methylsulfanyl)butanoateHMDB
2-[(2-Amino-1-hydroxy-4-methylpentylidene)amino]-4-(methylsulphanyl)butanoateHMDB
2-[(2-Amino-1-hydroxy-4-methylpentylidene)amino]-4-(methylsulphanyl)butanoic acidHMDB
Chemical FormulaC11H22N2O3S
Average Molecular Weight262.369
Monoisotopic Molecular Weight262.13511327
IUPAC Name2-(2-amino-4-methylpentanamido)-4-(methylsulfanyl)butanoic acid
Traditional Nameleu-met
CAS Registry NumberNot Available
SMILES
CSCCC(NC(=O)C(N)CC(C)C)C(O)=O
InChI Identifier
InChI=1S/C11H22N2O3S/c1-7(2)6-8(12)10(14)13-9(11(15)16)4-5-17-3/h7-9H,4-6,12H2,1-3H3,(H,13,14)(H,15,16)
InChI KeyNTISAKGPIGTIJJ-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentDipeptides
Alternative Parents
Substituents
  • Alpha-dipeptide
  • Leucine or derivatives
  • Methionine or derivatives
  • N-acyl-alpha amino acid or derivatives
  • N-acyl-alpha-amino acid
  • Alpha-amino acid amide
  • Alpha-amino acid or derivatives
  • Thia fatty acid
  • Branched fatty acid
  • Fatty acyl
  • Fatty acid
  • Fatty amide
  • N-acyl-amine
  • Secondary carboxylic acid amide
  • Amino acid or derivatives
  • Amino acid
  • Carboxamide group
  • Carboxylic acid
  • Dialkylthioether
  • Monocarboxylic acid or derivatives
  • Sulfenyl compound
  • Thioether
  • Amine
  • Organic oxygen compound
  • Primary aliphatic amine
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic oxide
  • Organopnictogen compound
  • Primary amine
  • Organonitrogen compound
  • Organooxygen compound
  • Organosulfur compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogP-1.47Extrapolated
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Feces
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothColorectal Cancer details
Associated Disorders and Diseases
Disease References
Colorectal cancer
  1. Brown DG, Rao S, Weir TL, O'Malia J, Bazan M, Brown RJ, Ryan EP: Metabolomics and metabolic pathway networks from human colorectal cancers, adjacent mucosa, and stool. Cancer Metab. 2016 Jun 6;4:11. doi: 10.1186/s40170-016-0151-y. eCollection 2016. [PubMed:27275383 ]
Associated OMIM IDs
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB111962
KNApSAcK IDNot Available
Chemspider ID105706
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound118276
PDB IDNot Available
ChEBI IDNot Available
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. McKnight AT, Maguire JJ, Elliott NJ, Fletcher AE, Foster AC, Tridgett R, Williams BJ, Longmore J, Iversen LL: Pharmacological specificity of novel, synthetic, cyclic peptides as antagonists at tachykinin receptors. Br J Pharmacol. 1991 Oct;104(2):355-60. [PubMed:1665732 ]