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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2006-05-22 14:17:41 UTC
Update Date2023-02-21 17:16:15 UTC
HMDB IDHMDB0002205
Secondary Accession Numbers
  • HMDB02205
Metabolite Identification
Common NameL-Homocysteic acid
DescriptionL-homocysteic acid is a homocysteic acid with L-configuration. It has a role as a NMDA receptor agonist. It is an enantiomer of a D-homocysteic acid. L-Homocysteic acid is a sulfur-containing glutamic acid analog and a potent NMDA receptor agonist. It is related to homocysteine, a by-product of methionine metabolism. It 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.
Structure
Data?1676999775
Synonyms
Chemical FormulaC4H9NO5S
Average Molecular Weight183.183
Monoisotopic Molecular Weight183.020143093
IUPAC Name(2S)-2-amino-4-sulfobutanoic acid
Traditional NameL-homocysteic acid
CAS Registry Number14857-77-3
SMILES
N[C@@H](CCS(O)(=O)=O)C(O)=O
InChI Identifier
InChI=1S/C4H9NO5S/c5-3(4(6)7)1-2-11(8,9)10/h3H,1-2,5H2,(H,6,7)(H,8,9,10)/t3-/m0/s1
InChI KeyVBOQYPQEPHKASR-VKHMYHEASA-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
  • Thia fatty acid
  • Fatty acid
  • Fatty acyl
  • Organic sulfonic acid or derivatives
  • Organosulfonic acid or derivatives
  • Organosulfonic acid
  • Sulfonyl
  • Alkanesulfonic acid
  • Amino acid
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Primary aliphatic amine
  • Organic nitrogen compound
  • Carbonyl group
  • Amine
  • Primary amine
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • 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 Point261 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic Properties

Experimental Collision Cross Sections

Adduct TypeData SourceCCS Value (Å2)Reference
[M+H]+MetCCS_train_pos140.330932474
[M-H]-Not Available125.847http://allccs.zhulab.cn/database/detail?ID=AllCCS00000051
[M+H]+Not Available140.37http://allccs.zhulab.cn/database/detail?ID=AllCCS00000051
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB022905
KNApSAcK IDNot Available
Chemspider ID154529
KEGG Compound IDC16511
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkHomocysteic_acid
METLIN ID6545
PubChem Compound177491
PDB IDNot Available
ChEBI ID132223
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceJolles-Bergeret, Bernadette. Synthesis and properties of L- and DL-homocysteine sulfinic and L-homocysteic acids. Bulletin de la Societe de Chimie Biologique (1966), 48(11), 1265-78.
Material Safety Data Sheet (MSDS)Download (PDF)
General References
  1. Boldyrev AA: Homocysteinic acid causes oxidative stress in lymphocytes by potentiating toxic effect of NMDA. Bull Exp Biol Med. 2005 Jul;140(1):33-7. [PubMed:16254614 ]
  2. Piraud M, Vianey-Saban C, Bourdin C, Acquaviva-Bourdain C, Boyer S, Elfakir C, Bouchu D: A new reversed-phase liquid chromatographic/tandem mass spectrometric method for analysis of underivatised amino acids: evaluation for the diagnosis and the management of inherited disorders of amino acid metabolism. Rapid Commun Mass Spectrom. 2005;19(22):3287-97. [PubMed:16235234 ]