cladribine   Click here for help

GtoPdb Ligand ID: 4799

Synonyms: Leustatin® | Litak® | Mavenclad®
Approved drug PDB Ligand
cladribine is an approved drug (FDA (1993), EMA (2004))
Compound class: Synthetic organic
Comment: Cladribine is a purine (adenosine) analogue and an antineoplastic and immunosuppressant agent
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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

cladribine is commercially available from our sponsors

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 7
Hydrogen bond donors 3
Rotatable bonds 2
Topological polar surface area 119.31
Molecular weight 285.06
XLogP -0.1
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 OCC1OC(CC1O)n1cnc2c1nc(Cl)nc2N
Isomeric SMILES OC[C@H]1O[C@H](C[C@@H]1O)n1cnc2c1nc(Cl)nc2N
InChI InChI=1S/C10H12ClN5O3/c11-10-14-8(12)7-9(15-10)16(3-13-7)6-1-4(18)5(2-17)19-6/h3-6,17-18H,1-2H2,(H2,12,14,15)/t4-,5+,6+/m0/s1
InChI Key PTOAARAWEBMLNO-KVQBGUIXSA-N
No information available.
Summary of Clinical Use Click here for help
Cladribine is used to treat lymphoproliferative diseases such as hairy-cell leukemia, and also multiple sclerosis (Mavenclad®, EMA approval in 2017).
Mechanism Of Action and Pharmacodynamic Effects Click here for help
Incorporation of phosphorylated cladribine is believed to cause DNA strand breakage and inhibition of DNA synthesis and repair in conjunction with additional effects on ATP depletion. The net effect is cell death, potentially as a result of cells accumulating in G1/S phase and being unable to enter S phase. Due to the complex and varied nature of nucleic acids we do not include DNA or RNA as targets on this database.