FTI 276   Click here for help

GtoPdb Ligand ID: 6531

Synonyms: FTI-276 | FTI276
Compound class: Synthetic organic
Comment: This is the parent molecule of the ester prodrug FTI-277, which is the trifluoroacetate salt (PubChem CID 395753). The ester is designed to overcome the potential for thiol-based toxicity. FTI-276 is a peptidomimetic developed as a farnesyltransferase inhibitor (FTI) [2].
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 6
Hydrogen bond donors 4
Rotatable bonds 12
Topological polar surface area 168.55
Molecular weight 433.15
XLogP 1.66
No. Lipinski's rules broken 1
SMILES / InChI / InChIKey
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Canonical SMILES CSCCC(C(=O)O)NC(=O)c1ccc(cc1c1ccccc1)NCC(CS)N
Isomeric SMILES CSCC[C@@H](C(=O)O)NC(=O)c1ccc(cc1c1ccccc1)NC[C@H](CS)N
InChI InChI=1S/C21H27N3O3S2/c1-29-10-9-19(21(26)27)24-20(25)17-8-7-16(23-12-15(22)13-28)11-18(17)14-5-3-2-4-6-14/h2-8,11,15,19,23,28H,9-10,12-13,22H2,1H3,(H,24,25)(H,26,27)/t15-,19+/m1/s1
InChI Key ZIXDDEATQSBHHL-BEFAXECRSA-N
No information available.
Mechanism Of Action and Pharmacodynamic Effects Click here for help
FTIs inhibit the C-terminal prenylation of many proteins involved in signal transduction, but are being investigated mainly as inhibitors of deregulated RAS activity in transformed cells. Blocking prenylation of RAS oncogenic proteins prevents their correct membrane tethering, and thereby effects reduced RAS signalling activity and increased cancer cell apoptosis. However, the promise of FTIs has not been bourne out in clinical trials [1], perhaps due to redundancy in the system which sees geranylgeranyltransferase taking over the prenylation process, when farnesyltransferase is inhibited.