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