ST-2560   Click here for help

GtoPdb Ligand ID: 13286

Compound class: Synthetic organic
Comment: ST-2560 is a NaV1.7 sodium channel inhibitor [2]. It is a derivative of the potent paralytic neurotoxin saxitoxin that is produce by prokaryotic cyanobacteria and eukaryotic dinoflagellates [1].
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 Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/). 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 14
Hydrogen bond donors 8
Rotatable bonds 7
Topological polar surface area 199.41
Molecular weight 562.62
XLogP 2.66
No. Lipinski's rules broken 3

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
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.

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

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Canonical SMILES CC1=CC=C(C(=O)NC[C@H]2[C@H]3[C@]4([C@@H]([C@@H](CN4C(=N)N2)NC(=O)C5=CC=CC6=C5OCCC6(C)C)O)NC(=N)N3)N=N1
Isomeric SMILES N=C1N[C@@H](CNC(C2=NN=C(C)C=C2)=O)[C@@H]3NC(=N)N[C@]34N1C[C@@H](NC(C5=C6OCCC(C)(C)C6=CC=C5)=O)[C@H]4O
InChI InChI=1S/C27H34N10O4/c1-13-7-8-16(36-35-13)23(40)30-11-17-20-27(34-24(28)33-20)21(38)18(12-37(27)25(29)32-17)31-22(39)14-5-4-6-15-19(14)41-10-9-26(15,2)3/h4-8,17-18,20-21,38H,9-12H2,1-3H3,(H2,29,32)(H,30,40)(H,31,39)(H3,28,33,34)/t17-,18+,20-,21+,27-/m0/s1
InChI Key JTMDERSCDUJXIR-HZGFKZENSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
Bioactivity Comments
IC50 for ST-2560 at primate NaV1.7 is 39 nM. ST-2560 is ≥1000-fold selective for NaV1.7 over other NaV1.x family channels [2].