Threonine

Threonine
	; Skeletal formula of L-threonine
Ball-and-stick model Ball-and-stick model	Space-filling model Space-filling model
Names
	IUPAC name Threonine
	Other names 2-Amino-3-hydroxybutanoic acid
Identifiers
CAS Number	80-68-2 ; 72-19-5 (L-isomer) ;
3D model (JSmol)	Interactive image; Zwitterion: Interactive image;
ChEBI	CHEBI:57926 ;
ChEMBL	ChEMBL291747 ;
ChemSpider	6051 ;
DrugBank	DB00156 ;
ECHA InfoCard	100.000.704
EC Number	201-300-6;
IUPHAR/BPS	4785;
PubChem CID	6288;
UNII	TFM6DU5S6A ; 2ZD004190S (L-isomer) ;
CompTox Dashboard (EPA)	DTXSID70893087 DTXSID2046412, DTXSID70893087 ;
	SMILES C[C@H]([C@@H](C(=O)O)N)O; Zwitterion: C[C@H]([C@@H](C(=O)[O-])[NH3+])O;
Properties
Chemical formula	C4H9NO3
Molar mass	119.12 g·mol−1
Solubility in water	(H2O, g/dl) 10.6(30°),14.1(52°),19.0(61°)
Acidity (pKa)	2.63 (carboxyl), 10.43 (amino)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	verify (what is ?)
	Infobox references

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

History

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

↑ Dawson, R.M.C., et al., Data for Biochemical Research, Oxford, Clarendon Press, 1959.
↑ "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.
↑ 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)

This short article about chemistry can be made longer. You can help Wikipedia by adding to it.