4-Hydroxy-L-threonine (YMDB00494)

Identification
YMDB IDYMDB00494
Name4-Hydroxy-L-threonine
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
Description4-Hydroxy-L-threonine 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. 4-Hydroxy-L-threonine is a very strong basic compound (based on its pKa). 4-Hydroxy-L-threonine exists in both E. coli (prokaryote) and yeast (eukaryote).
Structure
Thumb
MOLSDF3D-SDFPDBSMILESInChI View 3D Structure
Synonyms
  • 4-(Phosphonooxy)-L-threonine
  • 4-(Phosphonooxy)-threonine
  • 4-Hydroxy-L-threonine
  • hydroxythreonine
  • O-Phospho-4-hydroxy-L-threonine
  • alpha-Amino-beta,gamma-dihydroxybutyric acid
CAS number21768-45-6
WeightAverage: 135.1186
Monoisotopic: 135.053157781
InChI KeyJBNUARFQOCGDRK-GBXIJSLDSA-N
InChIInChI=1S/C4H9NO4/c5-3(4(8)9)2(7)1-6/h2-3,6-7H,1,5H2,(H,8,9)/t2-,3+/m1/s1
IUPAC Name(2S,3S)-2-amino-3,4-dihydroxybutanoic acid
Traditional IUPAC Namehydroxythreonine
Chemical FormulaC4H9NO4
SMILESN[C@@H]([C@H](O)CO)C(O)=O
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
  • Beta-hydroxy acid
  • Short-chain hydroxy acid
  • Hydroxy acid
  • Fatty acid
  • 1,3-aminoalcohol
  • 1,2-diol
  • Amino acid
  • Secondary alcohol
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic nitrogen compound
  • Primary alcohol
  • Organooxygen compound
  • Organonitrogen compound
  • Primary amine
  • Primary aliphatic amine
  • Hydrocarbon derivative
  • Organic oxide
  • Carbonyl group
  • Organopnictogen compound
  • Amine
  • Alcohol
  • Organic oxygen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Physical Properties
StateNot Available
Charge0
Melting pointNot Available
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility357 g/LALOGPS
logP-3.4ALOGPS
logP-4.5ChemAxon
logS0.42ALOGPS
pKa (Strongest Acidic)1.92ChemAxon
pKa (Strongest Basic)8.62ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area103.78 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity28 m³·mol⁻¹ChemAxon
Polarizability12.04 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations
  • cytoplasm
Organoleptic PropertiesNot Available
SMPDB Pathways
Vitamin B6PW002488 ThumbThumb?image type=greyscaleThumb?image type=simple
KEGG Pathways
Vitamin B6 metabolismec00750 Map00750
SMPDB ReactionsNot Available
KEGG Reactions
water + O-Phospho-4-hydroxy-L-threonine → phosphate + 4-Hydroxy-L-threonine
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-00ec-9000000000-ed89b9334f5be14dc8c5JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014r-4900000000-dbd9d3d88c247a29f9c9JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00di-9100000000-2070d819d44de1960ae0JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00di-9100000000-283552f8bd87ff9d06d5JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-001i-8900000000-75b8c2945f1960264b7fJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0pw9-9400000000-43e8a71f87678ae42e12JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-05fr-9000000000-437c14b312f426383b44JSpectraViewer
References
References:
  • Herrgard, M. J., Swainston, N., Dobson, P., Dunn, W. B., Arga, K. Y., Arvas, M., Bluthgen, N., Borger, S., Costenoble, R., Heinemann, M., Hucka, M., Le Novere, N., Li, P., Liebermeister, W., Mo, M. L., Oliveira, A. P., Petranovic, D., Pettifer, S., Simeonidis, E., Smallbone, K., Spasic, I., Weichart, D., Brent, R., Broomhead, D. S., Westerhoff, H. V., Kirdar, B., Penttila, M., Klipp, E., Palsson, B. O., Sauer, U., Oliver, S. G., Mendes, P., Nielsen, J., Kell, D. B. (2008). "A consensus yeast metabolic network reconstruction obtained from a community approach to systems biology." Nat Biotechnol 26:1155-1160.18846089
  • Ramos, C., Calderon, I. L. (1994). "Biochemical evidence that the Saccharomyces cerevisiae THR4 gene encodes threonine synthetase." FEBS Lett 351:357-359.8082795
Synthesis Reference:Not Available
External Links:
ResourceLink
CHEBI ID28330
HMDB IDNot Available
Pubchem Compound ID193577
Kegg IDC06055
ChemSpider IDNot Available
FOODB IDNot Available
Wikipedia IDNot Available
BioCyc IDNot Available

Enzymes

Protein Details
1. Threonine synthase
General function:
Involved in catalytic activity
Specific function:
Catalyzes the gamma-elimination of phosphate from L- phosphohomoserine and the beta-addition of water to produce L- threonine
Gene Name:
THR4
Uniprot ID:
P16120
Molecular weight:
57473.69922
Reactions
O-phospho-L-homoserine + H(2)O → L-threonine + phosphate.