THR

THREONINE

Created:	1999-07-08
Last modified:	2023-11-03

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33 entries where THR is found as a standalone ligand18 entries where THR is covalently linked to polymer or other heterogen groups 221,769 entries where THR is found in a polymer sequence

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Chemical Details
Formal Charge	0
Atom Count	17
Chiral Atom Count	2
Bond Count	16
Aromatic Bond Count	0

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Chemical Component Summary
Name	THREONINE
Systematic Name (OpenEye OEToolkits)	(2S,3R)-2-amino-3-hydroxy-butanoic acid
Formula	C₄ H₉ N O₃
Molecular Weight	119.119
Type	L-PEPTIDE LINKING

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	10.04	O=C(O)C(N)C(O)C
SMILES	CACTVS	3.341	C[CH](O)[CH](N)C(O)=O
SMILES	OpenEye OEToolkits	1.5.0	CC(C(C(=O)O)N)O
Canonical SMILES	CACTVS	3.341	C[C@@H](O)[C@H](N)C(O)=O
Canonical SMILES	OpenEye OEToolkits	1.5.0	C[C@H]([C@@H](C(=O)O)N)O
InChI	InChI	1.03	InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2-,3+/m1/s1
InChIKey	InChI	1.03	AYFVYJQAPQTCCC-GBXIJSLDSA-N

Drug Info: DrugBank

DrugBank ID	DB00156
Name	Threonine
Groups	nutraceutical approved
Description	An essential amino acid occurring naturally in the L-form, which is the active form. It is found in eggs, milk, gelatin, and other proteins.
Synonyms	Threonine Treonina (2S,3R)-(-)-Threonine L-2-Amino-3-hydroxybutyric acid Threoninum L-Threonine L-alpha-amino-beta-hydroxybutyric acid Thr L-(-)-Threonine (2S)-threonine L-α-amino-β-hydroxybutyric acid L-Threonin 2-Amino-3-hydroxybutyric acid
Brand Names	Premasol - sulfite-free (Amino Acid) 2.75% Travasol Amino Acid Injection With Electrolytes In 5% Dextrose Quickmix 8.5% Freamine III Aminosyn II 10% With Electrolytes 4.25%travasol Amino Acid InJ.W.elecw.5%dex. 4.25% Travasol Amino Acid Without Electrolytes In 5% Dextrose Quickmix 5% Travasol Amino Acid Injection With Electrolytes In 20% Dextrose Renamin (amino Acids) Injection Aminosyn RF Injection Aminosyn 5% Olimel 5.7% E Aminosyn II and Dextrose Nephramine Liq IV Primene 10% HepatAmine Synthamin Aminosyn II 7% Injection Aminosyn II in Dextrose Clinimix Nutrineal Pd4 Smofkabiven Extra Nitrogen Electrolyte Free Aminosyn II 7% M In 10% Dextrose(dual Chamber) Aminosyn-PF RenAmin NephrAmine Smofkabiven Extra Nitrogen ProSol 4.25% Travasol Amino Acid Injection Without Electrolytes In 20% Dextrose Aminosyn II 8.5% Injection Aminosyn 2.75%travasol Amino Acid InJ.W.eleC.W.5%dex. Aminosyn 8.5% Injection With Electrolytes Travasol Inj Without Electrolytes 5.5% 2.5% Travasol Amino Acid Injection With Electrolytes In 10% Dextrose Travasol Cicatrin Powder Olimel 7.6% E ProcalAmine Vamin N Aminosyn II 7% With 50% Dextrose 4.25% Travasol Amino Acid Injection Without Electrlytes In 10% Dextrose Aminosyn 7% Travasol Amino Acid Inj 5.5% 5% Travasol Amino Acid Injection Without Electrolytes In 20% Dextrose 5% Travasol Amino Acid Injection Without Electrolytes In 25% Dextrose FreAmine HBC TrophAmine Aminosyn II 8.5% With 50% Dextrose 2.5% Travasol Amino Acid Injection With Electrolytes In 10% Dextrose Clinimix Quick Mix 2.5% Travasol Aa With Electrolytes With 25% Dextrose Injec Aminosyn II 7% With 10% Dextrose Aminosyn II with Electrolytes Aminosyn II with Electrolytes in Dextrose with Calcium 4.25% Travasol Amino Acid Injection With Electrolytes In 20% Dextrose Aminosyn 10% W Electrolytes Aminosyn II In Dextrose Injection Smofkabiven Aminosyn 3.5% M Vamin 18 Electrolyte-free Plenamine Primene 10%-liq IV Smofkabiven Electrolyte Free Aminosyn Sulfite Free Essepna Aminosyn 8.5% Travasol E 2.75% Travas. Amino Acid InJ.W.elecw.25%dex Aminosyn-PF 10% 2.5%travasol Amino Acid InJ.W.eleC.W.25%dex 4.25% Travasol Amino Acid Injection With Electrolytes In 25% Dextrose 4.25% Travasol Amino Acid Injection With Electrolytes In 10% Dextrose Olimel 7.6% Smofkabiven Peripheral Hepatasol Clinimix 2.5% Travasol Aa Without Electrolytes In 10% Dextrose Injec 4.25% Travasol Amino Acid Injection Without Electrolytes In 25% Dextrose Primene 2.75% Travasol Amino Acid Injection With Electrolytes In 25% Dextrose Quickmix Aminoderm Poudre 20% Prosol Perikabiven Clinisol 2.5% Travasol Amino Acid Injection Without Electrolytes In 10% Dextrose Quickmix Aminosyn II Periolimel 2.5% E 4.25%trav. Amino Acid InJ.W.O.elect.5%dext. Kabiven 4.25% Travasol Amino Acid Injection With Electrolytes In 5% Dextrose Quickmix Aminosyn II 8.5% M In 20% Dextrose (dual Chamber) 4.25% Travasol Amino Acid Injection With Electrolytes In 20% Dextrose Quickmix 4.25% Amino Acid Injection Without Electrolytes In 20% Dextrose Quickmix Olimel 5.7% Olimel 4.4% E Olimel 4.4% FreAmine III Novamine Aminosyn HF Aminosyn-PF 7% Aminosyn II 5% Inj Travasol Inj Without Electrolytes 8.5% Aminosyn RF Clinimix E Olimel 3.3% E Travasol Amino Acid Inj 8.5%
Indication	L-Threonine makes up collagen, elastin, and enamel protein. It aids proper fat metabolism in the liver, helps the digestive and intestinal tracts function more smoothly, and assists in metabolism and assimilation.
Categories	Amino Acids Amino Acids, Essential Amino Acids, Neutral Amino Acids, Peptides, and Proteins Dietary Supplements Proteinogenic Amino Acids Supplements Threonine, antagonists & inhibitors
CAS number	72-19-5

Drug Targets

Name	Target Sequence	Pharmacological Action	Actions
Threonine--tRNA ligase, cytoplasmic	MFEEKASSPSGKMGGEEKPIGAGEEKQKEGGKKKNKEGSGDGGRAELNPW...	unknown
Threonine--tRNA ligase, mitochondrial	MALYQRWRCLRLQGLQACRLHTAVVSTPPRWLAERLGLFEELWAAQVKRL...	unknown
Beta-lactamase Toho-1	MMTQSIRRSMLTVMATLPLLFSSATLHAQANSVQQQLEALEKSSGGRLGV...	unknown	unknown
Monocarboxylate transporter 10	MVLSQEEPDSARGTSEAQPLGPAPTGAAPPPGPGPSDSPEAAVEKVEVEL...	unknown	inhibitor

Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682