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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2012-09-06 21:03:01 UTC
Update Date2023-02-21 17:18:37 UTC
HMDB IDHMDB0028929
Secondary Accession Numbers
  • HMDB28929
Metabolite Identification
Common NameLeucyl-Glycine
DescriptionLeucyl-Glycine is a dipeptide composed of leucine and glycine. 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?1676999917
Synonyms
ValueSource
L-g DipeptideHMDB
L-Leucyl-L-glycineHMDB
Leu-glyHMDB, MeSH
Leucine glycine dipeptideHMDB
Leucine-glycine dipeptideHMDB
LeucylglycineHMDB, MeSH
LG DipeptideHMDB
Glycyl-L-leucineMeSH, HMDB
GlycylleucineMeSH, HMDB
Glycylleucine, (D)-isomerMeSH, HMDB
Gly-leuMeSH, HMDB
2-[(2-Amino-1-hydroxy-4-methylpentylidene)amino]acetateGenerator, HMDB
Chemical FormulaC8H16N2O3
Average Molecular Weight188.2242
Monoisotopic Molecular Weight188.116092388
IUPAC Name2-(2-amino-4-methylpentanamido)acetic acid
Traditional Name(2-amino-4-methylpentanamido)acetic acid
CAS Registry NumberNot Available
SMILES
CC(C)CC(N)C(=O)NCC(O)=O
InChI Identifier
InChI=1S/C8H16N2O3/c1-5(2)3-6(9)8(13)10-4-7(11)12/h5-6H,3-4,9H2,1-2H3,(H,10,13)(H,11,12)
InChI KeyLESXFEZIFXFIQR-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
  • N-acyl-alpha-amino acid
  • N-acyl-alpha amino acid or derivatives
  • Alpha-amino acid amide
  • Alpha-amino acid or derivatives
  • Fatty amide
  • N-acyl-amine
  • Fatty acyl
  • Amino acid or derivatives
  • Carboxamide group
  • Amino acid
  • Secondary carboxylic acid amide
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Organic oxide
  • Primary aliphatic amine
  • Organopnictogen compound
  • Organic nitrogen compound
  • Carbonyl group
  • Organonitrogen compound
  • Organooxygen compound
  • Primary amine
  • Amine
  • 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-2.69Extrapolated
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Feces
  • Saliva
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothColorectal Cancer details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Colorectal cancer
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Colorectal cancer
details
SalivaDetected but not QuantifiedNot QuantifiedAdult (>18 years old)MalePeriodontal Probing Depth 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 ]
  2. Sinha R, Ahn J, Sampson JN, Shi J, Yu G, Xiong X, Hayes RB, Goedert JJ: Fecal Microbiota, Fecal Metabolome, and Colorectal Cancer Interrelations. PLoS One. 2016 Mar 25;11(3):e0152126. doi: 10.1371/journal.pone.0152126. eCollection 2016. [PubMed:27015276 ]
  3. Goedert JJ, Sampson JN, Moore SC, Xiao Q, Xiong X, Hayes RB, Ahn J, Shi J, Sinha R: Fecal metabolomics: assay performance and association with colorectal cancer. Carcinogenesis. 2014 Sep;35(9):2089-96. doi: 10.1093/carcin/bgu131. Epub 2014 Jul 18. [PubMed:25037050 ]
Periodontal Probing Depth
  1. Liebsch C, Pitchika V, Pink C, Samietz S, Kastenmuller G, Artati A, Suhre K, Adamski J, Nauck M, Volzke H, Friedrich N, Kocher T, Holtfreter B, Pietzner M: The Saliva Metabolome in Association to Oral Health Status. J Dent Res. 2019 Jun;98(6):642-651. doi: 10.1177/0022034519842853. Epub 2019 Apr 26. [PubMed:31026179 ]
Associated OMIM IDs
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB111956
KNApSAcK IDNot Available
Chemspider ID71402
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound79070
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. Fujii Y, Kiss T, Gajda T, Tan XS, Sato T, Nakano Y, Hayashi Y, Yashiro M: Copper(II)- cis, cis-1,3,5-triaminocyclohexane complex-promoted hydrolysis of dipeptides: kinetic, speciation and structural studies. J Biol Inorg Chem. 2002 Sep;7(7-8):843-51. Epub 2002 Apr 30. [PubMed:12203021 ]
  2. Yoshino AH, Okabayashi HF, Kanbe HH, Suzuki K, O'Connor CJ: Folded structures of L-leucylglycine oligopeptides and their aggregational behavior in aqueous solution: Raman scattering spectra and proton NMR spin-lattice relaxation studies. J Phys Chem B. 2008 May 8;112(18):5824-33. doi: 10.1021/jp074732q. Epub 2008 Apr 12. [PubMed:18407703 ]
  3. Nethery A, O'Grady RL: Interstitial collagenase from rat mammary carcinoma cells: interaction with substrates and inhibitors. Invasion Metastasis. 1991;11(5):241-8. [PubMed:1666066 ]
  4. Kiyotani T, Sugawara Y: L-Leucylglycine 0.67-hydrate and [(4S)-2,2-dimethyl-4-(2-methylpropyl)-5-oxoimidazolidin-3-ium-1-yl]acetate. Acta Crystallogr C. 2012 Dec;68(Pt 12):o498-501. doi: 10.1107/S010827011204810X. Epub 2012 Nov 28. [PubMed:23221255 ]
  5. Xia T, Akers K, Eisen AZ, Seltzer JL: Comparison of cleavage site specificity of gelatinases A and B using collagenous peptides. Biochim Biophys Acta. 1996 Apr 16;1293(2):259-66. [PubMed:8620038 ]
  6. Suzuki H, Kamatani S, Kumagai H: Purification and characterization of aminopeptidase B from Escherichia coli K-12. Biosci Biotechnol Biochem. 2001 Jul;65(7):1549-58. [PubMed:11515538 ]