aloxistatin   Click here for help

GtoPdb Ligand ID: 10714

Synonyms: compound 2b [PMID: 8765519] | E-64d | E64d | EP453 | loxistatin
Compound class: Synthetic organic
Comment: Aloxistatin (EP-453) is an irreversible inhibitor of the cysteine protease cathepsin B and calpains 1 and 2 [2]. It acts by alkylating the catalytic cysteine thiol [1]. In cellular assays it inhibits autophagy and lysosomal function.
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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

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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 2
Rotatable bonds 13
Topological polar surface area 97.03
Molecular weight 342.22
XLogP 2.31
No. Lipinski's rules broken 1
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 CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@H](C(=O)NCCC(C)C)CC(C)C
Isomeric SMILES CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@H](C(=O)NCCC(C)C)CC(C)C
InChI InChI=1S/C17H30N2O5/c1-6-23-17(22)14-13(24-14)16(21)19-12(9-11(4)5)15(20)18-8-7-10(2)3/h10-14H,6-9H2,1-5H3,(H,18,20)(H,19,21)/t12-,13-,14-/m0/s1
InChI Key SRVFFFJZQVENJC-IHRRRGAJSA-N
Classification Click here for help
Compound class Synthetic organic
IUPAC Name Click here for help
ethyl (2S,3S)-3-[[(2S)-4-methyl-1-(3-methylbutylamino)-1-oxopentan-2-yl]carbamoyl]oxirane-2-carboxylate
International Nonproprietary Names Click here for help
INN number INN
6138 aloxistatin
Synonyms Click here for help
compound 2b [PMID: 8765519] | E-64d | E64d | EP453 | loxistatin
Database Links Click here for help
BindingDB Ligand 50052693
CAS Registry No. 88321-09-9 (source: PubChem)
ChEMBL Ligand CHEMBL63440
GtoPdb PubChem SID 404859161
PubChem CID 65663
Search Google for chemical match using the InChIKey SRVFFFJZQVENJC-IHRRRGAJSA-N
Search Google for chemicals with the same backbone SRVFFFJZQVENJC
Search PubMed clinical trials aloxistatin
Search PubMed titles aloxistatin
Search PubMed titles/abstracts aloxistatin
UniChem Compound Search for chemical match using the InChIKey SRVFFFJZQVENJC-IHRRRGAJSA-N
UniChem Connectivity Search for chemical match using the InChIKey SRVFFFJZQVENJC-IHRRRGAJSA-N

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Tocris
ACHP (links to external site)
Cat. No. 4547
E 64d (links to external site)
Cat. No. 4545