T4   Click here for help

GtoPdb Ligand ID: 2635

Synonyms: Eltroxin® | L-thyroxine | levothyroxine | levothyroxine sodium
Approved drug PDB Ligand
T4 is an approved drug (FDA (2000))
Compound class: Metabolite or derivative
Comment: Thyroid hormone receptor agonist
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Ligand Activity Visualisation Charts

These are box plot that provide a unique visualisation, summarising all the activity data for a ligand taken from ChEMBL and GtoPdb across multiple targets and species. Click on a plot to see the median, interquartile range, low and high data points. A value of zero indicates that no data are available. A separate chart is created for each target, and where possible the algorithm tries to merge ChEMBL and GtoPdb targets by matching them on name and UniProt accession, for each available species. However, please note that inconsistency in naming of targets may lead to data for the same target being reported across multiple charts.

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View interactive charts of activity data across species

IUPHAR Pharmacology Education Project (PEP) logo

View more information in the IUPHAR Pharmacology Education Project: t4

2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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Physico-chemical Properties
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Physico-chemical Properties

Calculated molecular properties are available for small molecules and natural products (not peptides). Properties were generated using the CDK toolkit. All properties were selected to enable the prediction of the Lipinski Rule-of-Five profile or ‘druglikeness’ for each ligand. For more info on each category see the help pages.

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Hydrogen bond acceptors 3
Hydrogen bond donors 3
Rotatable bonds 5
Topological polar surface area 92.78
Molecular weight 776.69
XLogP 3.97
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

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Canonical SMILES OC(=O)C(Cc1cc(I)c(c(c1)I)Oc1cc(I)c(c(c1)I)O)N
Isomeric SMILES OC(=O)[C@H](Cc1cc(I)c(c(c1)I)Oc1cc(I)c(c(c1)I)O)N
InChI InChI=1S/C15H11I4NO4/c16-8-4-7(5-9(17)13(8)21)24-14-10(18)1-6(2-11(14)19)3-12(20)15(22)23/h1-2,4-5,12,21H,3,20H2,(H,22,23)/t12-/m0/s1
InChI Key XUIIKFGFIJCVMT-LBPRGKRZSA-N
Classification Click here for help
Compound class Metabolite or derivative
Approved drug? Yes (FDA (2000))
WHO Essential Medicine WHO Essential Medicines List (EML) (23rd List, 2023). Access PDF version.
Click to view more information about the WHO Model Lists of Essential Medicines.
IUPAC Name Click here for help
(2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid
International Nonproprietary Names Click here for help
INN number INN
453 levothyroxine sodium
Synonyms Click here for help
Eltroxin® | L-thyroxine | levothyroxine | levothyroxine sodium
Database Links Click here for help
BindingDB Ligand 50301375
CAS Registry No. 51-48-9
ChEBI CHEBI:18332
ChEMBL Ligand CHEMBL1624
DrugBank Ligand DB00451
DrugCentral Ligand 2646
GtoPdb PubChem SID 135651574
PubChem CID 5819
RCSB PDB Ligand T44
Search Google for chemical match using the InChIKey XUIIKFGFIJCVMT-LBPRGKRZSA-N
Search Google for chemicals with the same backbone XUIIKFGFIJCVMT
Search PubMed clinical trials levothyroxine sodium
Search PubMed titles levothyroxine sodium
Search PubMed titles/abstracts levothyroxine sodium
SynPHARM 6259 (in complex with Thyroid hormone receptor-α)
6268 (in complex with Thyroid hormone receptor-β)
UniChem Compound Search for chemical match using the InChIKey XUIIKFGFIJCVMT-LBPRGKRZSA-N
UniChem Connectivity Search for chemical match using the InChIKey XUIIKFGFIJCVMT-LBPRGKRZSA-N
Wikipedia Levothyroxine