Threonine

amino acid

Threonine (symbol Thr or T)[2] is an amino acid that is used in the biosynthesis of proteins.

Threonine
Ball-and-stick model
Space-filling model
Names
IUPAC name
Threonine
Other names
2-Amino-3-hydroxybutanoic acid
Identifiers
  • 80-68-2 checkY
  • 72-19-5 (L-isomer) checkY
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.000.704
EC Number
  • 201-300-6
UNII
  • C[C@H]([C@@H](C(=O)O)N)O
  • Zwitterion: C[C@H]([C@@H](C(=O)[O-])[NH3+])O
Properties
C4H9NO3
Molar mass 119.12 g·mol−1
(H2O, g/dl) 10.6(30°),14.1(52°),19.0(61°)
Acidity (pKa) 2.63 (carboxyl), 10.43 (amino)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

HistoryEdit

Threonine was discovered in 1936 by William Cumming Rose and Curtis Meyer.[3]

ReferencesEdit

  1. Dawson, R.M.C., et al., Data for Biochemical Research, Oxford, Clarendon Press, 1959.
  2. "Nomenclature and Symbolism for Amino Acids and Peptides". IUPAC-IUB Joint Commission on Biochemical Nomenclature. 1983. Archived from the original on 9 October 2008. Retrieved 5 March 2018.
  3. A Dictionary of scientists. Daintith, John., Gjertsen, Derek. Oxford: Oxford University Press. 1999. p. 459. ISBN 9780192800862. OCLC 44963215.{{cite book}}: CS1 maint: others (link)

Other websitesEdit