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 221,575 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	L-Threonin Thr L-alpha-amino-beta-hydroxybutyric acid Treonina L-2-Amino-3-hydroxybutyric acid (2S,3R)-(-)-Threonine Threoninum L-α-amino-β-hydroxybutyric acid Threonine 2-Amino-3-hydroxybutyric acid L-Threonine L-(-)-Threonine (2S)-threonine
Brand Names	Aminosyn 8.5% Aminosyn II 8.5% Injection 4.25% Amino Acid Injection Without Electrolytes In 20% Dextrose Quickmix Aminosyn-PF 4.25%travasol Amino Acid InJ.W.elecw.5%dex. Olimel 3.3% E FreAmine HBC Travasol Amino Acid Inj 5.5% Smofkabiven Peripheral Vamin N 4.25% Travasol Amino Acid Without Electrolytes In 5% Dextrose Quickmix 2.5% Travasol Amino Acid Injection With Electrolytes In 10% Dextrose Aminosyn 5% 4.25%trav. Amino Acid InJ.W.O.elect.5%dext. Novamine Aminosyn II 8.5% With 50% Dextrose Olimel 4.4% E FreAmine III Smofkabiven 4.25% Travasol Amino Acid Injection Without Electrolytes In 20% Dextrose Olimel 5.7% E Aminosyn 3.5% M 4.25% Travasol Amino Acid Injection With Electrolytes In 20% Dextrose 2.75%travasol Amino Acid InJ.W.eleC.W.5%dex. Aminosyn II 5% Inj HepatAmine Travasol Amino Acid Inj 8.5% Smofkabiven Extra Nitrogen Travasol 2.5%travasol Amino Acid InJ.W.eleC.W.25%dex TrophAmine Olimel 7.6% 2.75% Travasol Amino Acid Injection With Electrolytes In 25% Dextrose Quickmix Olimel 4.4% Clinimix E Primene 10% 8.5% Freamine III Aminosyn II with Electrolytes Nephramine Liq IV Aminosyn II 10% With Electrolytes Clinimix Plenamine 2.75% Travasol Amino Acid Injection With Electrolytes In 5% Dextrose Quickmix Aminosyn HF Kabiven Primene Olimel 5.7% RenAmin Aminosyn 20% Prosol Quick Mix 2.5% Travasol Aa With Electrolytes With 25% Dextrose Injec Primene 10%-liq IV Hepatasol Premasol - sulfite-free (Amino Acid) Aminosyn II with Electrolytes in Dextrose with Calcium 4.25% Travasol Amino Acid Injection Without Electrlytes In 10% Dextrose 4.25% Travasol Amino Acid Injection With Electrolytes In 20% Dextrose Quickmix Aminosyn-PF 7% Olimel 7.6% E Vamin 18 Electrolyte-free Aminosyn II 8.5% M In 20% Dextrose (dual Chamber) ProSol Aminosyn 7% 2.5% Travasol Amino Acid Injection Without Electrolytes In 10% Dextrose Quickmix Travasol Inj Without Electrolytes 8.5% 5% Travasol Amino Acid Injection With Electrolytes In 20% Dextrose 4.25% Travasol Amino Acid Injection With Electrolytes In 5% Dextrose Quickmix Aminosyn II 7% With 50% Dextrose 2.5% Travasol Amino Acid Injection With Electrolytes In 10% Dextrose Clinimix Aminosyn II 7% M In 10% Dextrose(dual Chamber) Renamin (amino Acids) Injection Perikabiven ProcalAmine Travasol E Cicatrin Powder Aminosyn II 7% Injection Aminosyn II and Dextrose Aminosyn RF Injection Periolimel 2.5% E NephrAmine Aminosyn 10% W Electrolytes Aminoderm Poudre 4.25% Travasol Amino Acid Injection With Electrolytes In 10% Dextrose 2.75% Travas. Amino Acid InJ.W.elecw.25%dex Aminosyn Sulfite Free Aminosyn II In Dextrose Injection Clinisol Clinimix 2.5% Travasol Aa Without Electrolytes In 10% Dextrose Injec Aminosyn 8.5% Injection With Electrolytes 5% Travasol Amino Acid Injection Without Electrolytes In 25% Dextrose Aminosyn II 5% Travasol Amino Acid Injection Without Electrolytes In 20% Dextrose 4.25% Travasol Amino Acid Injection With Electrolytes In 25% Dextrose Travasol Inj Without Electrolytes 5.5% Aminosyn II in Dextrose Smofkabiven Electrolyte Free 4.25% Travasol Amino Acid Injection Without Electrolytes In 25% Dextrose Aminosyn II 7% With 10% Dextrose Aminosyn RF Nutrineal Pd4 Essepna Synthamin Smofkabiven Extra Nitrogen Electrolyte Free Aminosyn-PF 10%
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