Record Information
Version1.0
Creation date2011-09-21 00:27:56 UTC
Update date2019-11-26 03:21:08 UTC
Primary IDFDB023315
Secondary Accession NumbersNot Available
Chemical Information
FooDB NameSelenohomocysteine
DescriptionSelenohomocysteine is the precursor of selenocysteine, which is synthesized by catalysis of cystathionine beta-synthase (EC 4.2.1.22) and cystathionine gamma-lyase (EC 4.4.1.1), in mammalian systems (both enzymes require pyridoxal phosphate). Selenohomocysteine (lactone) has been found to be a competitive and irreversible inhibitor of lysyl oxidase; this may relate to the development of connective tissue defects seen in homocystinuria. L-Selenohomocysteine also can serve as a substituent donor in the beta-replacement reaction to yield selenocystathionine. (PMID: 10609891, 9405445, 6456763, 3338973) [HMDB]. Selenohomocysteine is found in many foods, some of which are alaska wild rhubarb, kai-lan, towel gourd, and vanilla.
CAS Number29412-93-9
Structure
Thumb
Synonyms
Predicted Properties
PropertyValueSource
Water Solubility210 g/LALOGPS
logP-3.1ALOGPS
logP-3.9ChemAxon
logS0.06ALOGPS
pKa (Strongest Acidic)1.41ChemAxon
pKa (Strongest Basic)9.5ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area63.32 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity38.16 m³·mol⁻¹ChemAxon
Polarizability12.78 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Chemical FormulaC4H9NO2Se
IUPAC name2-amino-4-selanylbutanoic acid
InChI IdentifierInChI=1S/C4H9NO2Se/c5-3(1-2-8)4(6)7/h3,8H,1-2,5H2,(H,6,7)
InChI KeyRCWCGLALNCIQNM-UHFFFAOYSA-N
Isomeric SMILESNC(CC[SeH])C(O)=O
Average Molecular Weight182.08
Monoisotopic Molecular Weight182.979850365
Classification
Description Belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon).
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acids
Alternative Parents
Substituents
  • Alpha-amino acid
  • Fatty acid
  • Amino acid
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Selenol
  • Primary amine
  • Organoselenium compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Primary aliphatic amine
  • Organic oxygen compound
  • Carbonyl group
  • Amine
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
Disposition

Route of exposure:

Source:

Physico-Chemical Properties
Physico-Chemical Properties - Experimental
Spectra
Spectra
EI-MS/GC-MS
TypeDescriptionSplash KeyView
Predicted GC-MSSelenohomocysteine, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positivesplash10-000l-9700000000-352f9ff331c2001e7287Spectrum
Predicted GC-MSSelenohomocysteine, 1 TMS, Predicted GC-MS Spectrum - 70eV, Positivesplash10-000i-5900000000-85f2ee5926effe8a0470Spectrum
MS/MS
TypeDescriptionSplash KeyView
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-001r-1900000000-8c5ef30ac2fe25f165fe2015-09-15View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0019-0900000000-2b4556d8cf18b53be4d52015-09-15View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4i-5900000000-2d48596c12bbf13ea9742015-09-15View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-001i-1900000000-17c55a96eff48db32ab42015-09-15View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-01x9-6900000000-1285534df513770bbd952015-09-15View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-00di-9400000000-fa4748f901bed9dc44822015-09-15View Spectrum
NMRNot Available
ChemSpider ID389632
ChEMBL IDNot Available
KEGG Compound IDC05698
Pubchem Compound ID440763
Pubchem Substance IDNot Available
ChEBI IDNot Available
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDHMDB04119
CRC / DFC (Dictionary of Food Compounds) IDNot Available
EAFUS IDNot Available
Dr. Duke IDNot Available
BIGG ID46312
KNApSAcK IDNot Available
HET IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
Flavornet IDNot Available
GoodScent IDNot Available
SuperScent IDNot Available
Wikipedia IDNot Available
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
Processing...
Biological Effects and Interactions
Health Effects / BioactivitiesNot Available
EnzymesNot Available
Pathways
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
FlavoursNot Available
Files
MSDSNot Available
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference