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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2005-11-16 15:48:42 UTC
Update Date2023-05-30 20:55:58 UTC
HMDB IDHMDB0000679
Secondary Accession Numbers
  • HMDB00679
Metabolite Identification
Common NameHomocitrulline
DescriptionHomocitrulline belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. Homocitrulline 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 homocitrulline a potential biomarker for the consumption of these foods. Homocitrulline 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 a significant number of articles have been published on Homocitrulline.
Structure
Thumb
Synonyms
ValueSource
N(6)-(Aminocarbonyl)-L-lysineChEBI
Homo-L-citrullineHMDB
L-HomocitrullineHMDB
N-e-Carbamyl-L-lysineHMDB
N-epsilon-Carbamyl-L-lysineHMDB
N6-Carbamoyl-L-lysineHMDB
N6-Carbamoyl-lysineHMDB
Ureidocaproic acidHMDB
(S)-2-Amino-6-ureidohexanoic acidHMDB
N-Ε-carbamyl-L-lysineHMDB
N6-(Aminocarbonyl)-L-lysineHMDB
HomocitrullineMeSH
Chemical FormulaC7H15N3O3
Average Molecular Weight189.2123
Monoisotopic Molecular Weight189.111341361
IUPAC Name(2S)-2-amino-6-(carbamoylamino)hexanoic acid
Traditional Namehomocitrulline
CAS Registry Number1190-49-4
SMILES
N[C@@H](CCCCNC(N)=O)C(O)=O
InChI Identifier
InChI=1S/C7H15N3O3/c8-5(6(11)12)3-1-2-4-10-7(9)13/h5H,1-4,8H2,(H,11,12)(H3,9,10,13)/t5-/m0/s1
InChI KeyXIGSAGMEBXLVJJ-YFKPBYRVSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentL-alpha-amino acids
Alternative Parents
Substituents
  • L-alpha-amino acid
  • Medium-chain fatty acid
  • Amino fatty acid
  • Fatty acyl
  • Fatty acid
  • Carbonic acid derivative
  • Amino acid
  • Urea
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Amine
  • Hydrocarbon derivative
  • Primary amine
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxide
  • Organopnictogen compound
  • Primary aliphatic amine
  • Organic oxygen compound
  • Carbonyl group
  • Organic nitrogen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point211 - 212 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility600 mg/mLNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Cytoplasm (predicted from logP)
Biospecimen Locations
  • Blood
  • Feces
  • Urine
Tissue Locations
  • Placenta
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)Both
Colorectal cancer
details
UrineDetected and Quantified63-83 umol/mmol creatinineChildren (1-13 years old)BothHyperlysinemia I, familial details
UrineDetected and Quantified8.359 umol/mmol creatinineChildren (1 - 13 years old)Not Specified
Eosinophilic esophagitis
    • Analysis of 30 no...
details
Associated Disorders and Diseases
Disease References
Colorectal cancer
  1. 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 ]
  2. 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 ]
Eosinophilic esophagitis
  1. Slae, M., Huynh, H., Wishart, D.S. (2014). Analysis of 30 normal pediatric urine samples via NMR spectroscopy (unpublished work). NA.
Hyperlysinemia I, familial
  1. Tondo M, Calpena E, Arriola G, Sanz P, Martorell L, Ormazabal A, Castejon E, Palacin M, Ugarte M, Espinos C, Perez B, Perez-Duenas B, Perez-Cerda C, Artuch R: Clinical, biochemical, molecular and therapeutic aspects of 2 new cases of 2-aminoadipic semialdehyde synthase deficiency. Mol Genet Metab. 2013 Nov;110(3):231-6. doi: 10.1016/j.ymgme.2013.06.021. Epub 2013 Jul 6. [PubMed:23890588 ]
Associated OMIM IDs
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB022178
KNApSAcK IDC00052314
Chemspider ID58582
KEGG Compound IDC02427
BioCyc IDCPD-161
BiGG IDNot Available
Wikipedia LinkHomocitrulline
METLIN ID46
PubChem Compound65072
PDB IDNot Available
ChEBI ID17443
Food Biomarker OntologyNot Available
VMH IDHMCR
MarkerDB IDMDB00029987
Good Scents IDNot Available
References
Synthesis ReferenceStark, George R. Reactions of cyanate with functional groups of proteins. III. Reactions with amino and carboxyl groups. Biochemistry (1965), 4(6), 1030-6.
Material Safety Data Sheet (MSDS)Not Available
General References