methoxsalen   Click here for help

GtoPdb Ligand ID: 12457

Synonyms: 8-Methoxypsoralen | 8-MOP | xanthotoxin | zanthotoxin
Approved drug PDB Ligand
methoxsalen is an approved drug (FDA (1954))
Compound class: Natural product
Comment: Methoxsalen (xanthotoxin) is a naturally occurring furocoumarin compound that is present in several species of plants, including Psoralea corylifolia (babchi) which is a traditional medicinal plant and Ammi majus (bishop's flower).
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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
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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Click here for structure editor
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 4
Hydrogen bond donors 0
Rotatable bonds 1
Topological polar surface area 44.76
Molecular weight 216.19
XLogP 1.34
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 COC1=C2C(=CC3=C1OC(=O)C=C3)C=CO2
Isomeric SMILES COC1=C2C(=CC3=C1OC=C3)C=CC(=O)O2
InChI InChI=1S/C12H8O4/c1-14-12-10-8(4-5-15-10)6-7-2-3-9(13)16-11(7)12/h2-6H,1H3
InChI Key QXKHYNVANLEOEG-UHFFFAOYSA-N
Classification Click here for help
Compound class Natural product
Approved drug? Yes (FDA (1954))
Synonyms Click here for help
8-Methoxypsoralen | 8-MOP | xanthotoxin | zanthotoxin
Database Links Click here for help
Specialist databases
GPCRdb Ligand methoxsalen
Other databases
BindingDB Ligand 50041234
ChEBI CHEBI:18358
ChEMBL Ligand CHEMBL416
DrugBank Ligand DB00553
GtoPdb PubChem SID 479821247
PubChem CID 4114
RCSB PDB Ligand 8MO
Search Google for chemical match using the InChIKey QXKHYNVANLEOEG-UHFFFAOYSA-N
Search Google for chemicals with the same backbone QXKHYNVANLEOEG
UniChem Compound Search for chemical match using the InChIKey QXKHYNVANLEOEG-UHFFFAOYSA-N
UniChem Connectivity Search for chemical match using the InChIKey QXKHYNVANLEOEG-UHFFFAOYSA-N