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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2012-09-06 21:02:07 UTC
Update Date2021-09-14 15:45:02 UTC
HMDB IDHMDB0028690
Secondary Accession Numbers
  • HMDB28690
Metabolite Identification
Common NameAlanylisoleucine
DescriptionAlanylisoleucine, also known as AI or L-ala-L-ile, 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. Alanylisoleucine has been detected, but not quantified in, a few different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), and domestic pigs (Sus scrofa domestica). This could make alanylisoleucine a potential biomarker for the consumption of these foods. Alanylisoleucine is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review very few articles have been published on Alanylisoleucine.
Structure
Data?1582753326
Synonyms
ValueSource
AIChEBI
L-Ala-L-ileChEBI
a-I dipeptideHMDB
AI dipeptideHMDB
Ala-ileHMDB
Alanine isoleucine dipeptideHMDB
Alanine-isoleucine dipeptideHMDB
Alanyl-isoleucineHMDB
L-Alanyl-L-isoleucineHMDB
N-AlanylisoleucineHMDB
N-L-Alanyl-L-isoleucineHMDB
AlanylisoleucineChEBI
Chemical FormulaC9H18N2O3
Average Molecular Weight202.254
Monoisotopic Molecular Weight202.131742448
IUPAC Name(2S,3S)-2-[(2S)-2-aminopropanamido]-3-methylpentanoic acid
Traditional Name(2S,3S)-2-[(2S)-2-aminopropanamido]-3-methylpentanoic acid
CAS Registry Number29727-65-9
SMILES
CC[C@H](C)[C@H](NC(=O)[C@H](C)N)C(O)=O
InChI Identifier
InChI=1S/C9H18N2O3/c1-4-5(2)7(9(13)14)11-8(12)6(3)10/h5-7H,4,10H2,1-3H3,(H,11,12)(H,13,14)/t5-,6-,7-/m0/s1
InChI KeyZSOICJZJSRWNHX-ACZMJKKPSA-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
  • Isoleucine or derivatives
  • N-acyl-alpha amino acid or derivatives
  • N-acyl-alpha-amino acid
  • N-acyl-l-alpha-amino acid
  • Alpha-amino acid amide
  • Alanine or derivatives
  • Alpha-amino acid or derivatives
  • Methyl-branched fatty acid
  • Branched fatty acid
  • Fatty acyl
  • Fatty acid
  • Amino acid
  • Carboxamide group
  • Carboxylic acid salt
  • Secondary carboxylic acid amide
  • Amino acid or derivatives
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Organic nitrogen compound
  • Organonitrogen compound
  • Organooxygen compound
  • Primary amine
  • Primary aliphatic amine
  • Organic zwitterion
  • Organic salt
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic oxide
  • Organopnictogen compound
  • Amine
  • Organic oxygen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
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-2.05Extrapolated
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
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Colorectal cancer
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothColorectal Cancer details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Colorectal 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 ]
  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 ]
Associated OMIM IDs
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB111749
KNApSAcK IDNot Available
Chemspider ID5730850
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound7408078
PDB IDNot Available
ChEBI ID73805
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. Takahashi LH, Radhakrishnan R, Rosenfield RE Jr, Meyer EF Jr: Crystallographic analysis of the inhibition of porcine pancreatic elastase by a peptidyl boronic acid: structure of a reaction intermediate. Biochemistry. 1989 Sep 19;28(19):7610-7. [PubMed:2611205 ]