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Record Information
Version2.0
Created at2022-09-12 09:58:07 UTC
Updated at2022-09-12 09:58:07 UTC
NP-MRD IDNP0327411
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2s)-2-{[(2s)-2-amino-1-hydroxy-4-methylpentylidene]amino}-3-(c-hydroxycarbonimidoyl)propanoic acid
DescriptionLeu-Asn, also known as L-leu-L-asn or L-N, 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. Leu-Asn 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. (2s)-2-{[(2s)-2-amino-1-hydroxy-4-methylpentylidene]amino}-3-(c-hydroxycarbonimidoyl)propanoic acid is found in Trypanosoma brucei. (2s)-2-{[(2s)-2-amino-1-hydroxy-4-methylpentylidene]amino}-3-(c-hydroxycarbonimidoyl)propanoic acid was first documented in 2019 (PMID: 31724512). Based on a literature review a small amount of articles have been published on Leu-Asn (PMID: 35304505) (PMID: 33946694) (PMID: 33718631).
Structure
Thumb
Synonyms
ValueSource
L-Leu-L-asnChEBI
L-NChEBI
LeucylasparagineChEBI
LNChEBI
Chemical FormulaC10H19N3O4
Average Mass245.2790 Da
Monoisotopic Mass245.13756 Da
IUPAC Name(2S)-2-{[(2S)-2-amino-1-hydroxy-4-methylpentylidene]amino}-3-(C-hydroxycarbonimidoyl)propanoic acid
Traditional Name(2S)-2-{[(2S)-2-amino-1-hydroxy-4-methylpentylidene]amino}-3-(C-hydroxycarbonimidoyl)propanoic acid
CAS Registry NumberNot Available
SMILES
CC(C)C[C@H](N)C(O)=N[C@@H](CC(O)=N)C(O)=O
InChI Identifier
InChI=1S/C10H19N3O4/c1-5(2)3-6(11)9(15)13-7(10(16)17)4-8(12)14/h5-7H,3-4,11H2,1-2H3,(H2,12,14)(H,13,15)(H,16,17)/t6-,7-/m0/s1
InChI KeyMLTRLIITQPXHBJ-BQBZGAKWSA-N
Experimental Spectra
Not Available
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Trypanosoma bruceiLOTUS Database
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
  • Asparagine or derivatives
  • N-acyl-alpha-amino acid
  • N-acyl-l-alpha-amino acid
  • N-acyl-alpha amino acid or derivatives
  • Alpha-amino acid amide
  • Alpha-amino acid or derivatives
  • Branched fatty acid
  • Fatty amide
  • N-acyl-amine
  • Fatty acyl
  • Fatty acid
  • Amino acid or derivatives
  • Carboxamide group
  • Carboxylic acid salt
  • Amino acid
  • Primary carboxylic acid amide
  • Secondary carboxylic acid amide
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Organic salt
  • Hydrocarbon derivative
  • Amine
  • Primary aliphatic amine
  • Organic oxide
  • Organic oxygen compound
  • Organic nitrogen compound
  • Carbonyl group
  • Organonitrogen compound
  • Organooxygen compound
  • Primary amine
  • Organopnictogen compound
  • Organic zwitterion
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
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-4.8ChemAxon
pKa (Strongest Acidic)-1.3ChemAxon
pKa (Strongest Basic)13.13ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area139.99 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity70.78 m³·mol⁻¹ChemAxon
Polarizability25 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID5379099
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound7016077
PDB IDNot Available
ChEBI ID73529
Good Scents IDNot Available
References
General References
  1. Kheeree N, Kuptawach K, Puthong S, Sangtanoo P, Srimongkol P, Boonserm P, Reamtong O, Choowongkomon K, Karnchanatat A: Discovery of calcium-binding peptides derived from defatted lemon basil seeds with enhanced calcium uptake in human intestinal epithelial cells, Caco-2. Sci Rep. 2022 Mar 18;12(1):4659. doi: 10.1038/s41598-022-08380-0. [PubMed:35304505 ]
  2. Wongsrangsap N, Chukiatsiri S: Purification and Identification of Novel Antioxidant Peptides from Enzymatically Hydrolysed Samia ricini Pupae. Molecules. 2021 Apr 29;26(9):2588. doi: 10.3390/molecules26092588. [PubMed:33946694 ]
  3. Elsadek BEM, Hassan MH: Screening for new peptide substrates for the development of albumin binding anticancer pro-drugs that are cleaved by prostate-specific antigen (PSA) to improve the anti tumor efficacy. Biochem Biophys Rep. 2021 Mar 2;26:100966. doi: 10.1016/j.bbrep.2021.100966. eCollection 2021 Jul. [PubMed:33718631 ]
  4. Lee JK, Li-Chan ECY, Cheung IWY, Jeon YJ, Ko JY, Byun HG: Neuroprotective Effect of beta-secretase Inhibitory Peptide from Pacific Hake (Merluccius productus) Fish Protein Hydrolysate. Curr Alzheimer Res. 2019;16(11):1028-1038. doi: 10.2174/1567205016666191113122046. [PubMed:31724512 ]
  5. LOTUS database [Link]