[11C]GSK215083   Click here for help

GtoPdb Ligand ID: 8430

 Ligand is labelled  Ligand is radioactive
Compound class: Synthetic organic
Comment: [11C]GSK215083 is used as a PET radioligand, to allow in vivo imaging of serotonin 5-HT6 receptor distribution [2]. GSK215083 is a 5-HT6 receptor antagonist with a lipophilicity profile permitting brain penetrance [1].
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 5
Hydrogen bond donors 0
Rotatable bonds 3
Topological polar surface area 61.89
Molecular weight 385.13
XLogP 3.23
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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Canonical SMILES CN1CCN(CC1)c1cccc2c1ncc(c2)S(=O)(=O)c1cccc(c1)F
Isomeric SMILES [11CH3]N1CCN(CC1)c1cccc2c1ncc(c2)S(=O)(=O)c1cccc(c1)F
InChI InChI=1S/C20H20FN3O2S/c1-23-8-10-24(11-9-23)19-7-2-4-15-12-18(14-22-20(15)19)27(25,26)17-6-3-5-16(21)13-17/h2-7,12-14H,8-11H2,1H3/i1-1
InChI Key PXVJEDOZGDZJQY-BJUDXGSMSA-N
Bioactivity Comments
The pKi value presented in the table below is for the non-radiolabelled compound. GSK215083 has subnanomolar affinity for the 5-HT2A receptor in addition to the 5-HT6 receptor [2], so this must be taken in to consideration when analysing PET brain scan data.
Selectivity at GPCRs
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
5-HT6 receptor Hs Antagonist Antagonist 9.8 pKi - 2
pKi 9.8 (Ki 1.6x10-10 M) [2]
5-HT2A receptor Hs Antagonist Antagonist 9.1 pKi - 2
pKi 9.1 (Ki 7.9x10-10 M) [2]