Record Information
Version1.0
Creation Date2018-07-17 17:22:13 UTC
Update Date2020-03-13 17:34:56 UTC
BMDB IDBMDB0062243
Secondary Accession Numbers
  • BMDB62243
Metabolite Identification
Common NameLeucyl-Alanine
DescriptionLeucyl-alanine, also known as L-a dipeptide or leu-ala, 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. Leucyl-alanine is possibly soluble (in water) and a very strong basic compound (based on its pKa).
Structure
Thumb
Synonyms
ValueSource
2-[(2-Amino-1-hydroxy-4-methylpentylidene)amino]propanoateGenerator
L-a DipeptideHMDB
L-Leucyl-L-alanineHMDB
LA dipeptideHMDB
Leu-alaHMDB, MeSH
Leucine alanine dipeptideHMDB
Leucine-alanine dipeptideHMDB
LeucylalanineHMDB
Leucyl-alanineMeSH
Chemical FormulaC9H18N2O3
Average Molecular Weight202.2508
Monoisotopic Molecular Weight202.131742452
IUPAC Name2-[(2-amino-1-hydroxy-4-methylpentylidene)amino]propanoic acid
Traditional Name2-[(2-amino-1-hydroxy-4-methylpentylidene)amino]propanoic acid
CAS Registry NumberNot Available
SMILES
CC(C)CC(N)C(O)=NC(C)C(O)=O
InChI Identifier
InChI=1S/C9H18N2O3/c1-5(2)4-7(10)8(12)11-6(3)9(13)14/h5-7H,4,10H2,1-3H3,(H,11,12)(H,13,14)
InChI KeyHSQGMTRYSIHDAC-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
  • Alanine or derivatives
  • Alpha-amino acid or derivatives
  • Fatty amide
  • Fatty acyl
  • N-acyl-amine
  • Amino acid or derivatives
  • Carboxamide group
  • Amino acid
  • Secondary carboxylic acid amide
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Primary amine
  • Organic nitrogen compound
  • Primary aliphatic amine
  • Hydrocarbon derivative
  • Organic oxide
  • Carbonyl group
  • Organopnictogen compound
  • Amine
  • Organic oxygen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
StatusDetected but not 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-1.9ALOGPS
logP-1.5ChemAxon
logS-1.9ALOGPS
pKa (Strongest Acidic)3.63ChemAxon
pKa (Strongest Basic)9.61ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area95.91 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity51.99 m³·mol⁻¹ChemAxon
Polarizability21.81 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-000l-9400000000-8281b834e28c807340dfView in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-052u-9400000000-39cfb24a4b0aaadd837aView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0f79-6950000000-914598858ccfb1f90c86View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00ko-9100000000-bceecdb6f0ef7c4f507aView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0aou-9000000000-9fd0818925a3df01e473View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0udi-1390000000-3f991a33f69ec6650c23View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0kh0-8930000000-a291c26509dc82c6c65fView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-00dr-9100000000-c257b5922ee9ec80eff0View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0f79-9130000000-ae4cc190b9d8ca96d65cView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00ku-9000000000-f15a72a54145bb07be59View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00kf-9000000000-ab0d83b177ee91e19d2fView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0uei-5690000000-b230f1e1b5f6c1fe4461View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-000i-9200000000-b51001e44c4607b56cf4View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-9de84fc6ecd68184eaefView in MoNA
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Milk
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
MilkDetected but not QuantifiedNot QuantifiedNot SpecifiedNot Specified
Normal
details
Abnormal Concentrations
Not Available
HMDB IDHMDB0304783
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB098209
KNApSAcK IDNot Available
Chemspider ID227625
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Xi X, Kwok LY, Wang Y, Ma C, Mi Z, Zhang H: Ultra-performance liquid chromatography-quadrupole-time of flight mass spectrometry MS(E)-based untargeted milk metabolomics in dairy cows with subclinical or clinical mastitis. J Dairy Sci. 2017 Jun;100(6):4884-4896. doi: 10.3168/jds.2016-11939. Epub 2017 Mar 23. [PubMed:28342601 ]