linifanib   Click here for help

GtoPdb Ligand ID: 5657

Synonyms: ABT 869 | ABT-869
Compound class: Synthetic organic
Comment: Linifanib is a potent, orally active inhibitor of several receptor tyrosine kinases (RTKs), with principal targets being FLT3, CSF1R and VEGFR2.
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 5
Hydrogen bond donors 4
Rotatable bonds 5
Topological polar surface area 95.83
Molecular weight 375.15
XLogP 4.65
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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Canonical SMILES O=C(Nc1cc(C)ccc1F)Nc1ccc(cc1)c1cccc2c1c(N)n[nH]2
Isomeric SMILES O=C(Nc1cc(C)ccc1F)Nc1ccc(cc1)c1cccc2c1c(N)n[nH]2
InChI InChI=1S/C21H18FN5O/c1-12-5-10-16(22)18(11-12)25-21(28)24-14-8-6-13(7-9-14)15-3-2-4-17-19(15)20(23)27-26-17/h2-11H,1H3,(H3,23,26,27)(H2,24,25,28)
InChI Key MPVGZUGXCQEXTM-UHFFFAOYSA-N
Bioactivity Comments
Linifanib is a multi-target tyrosine kinase (RTK) inhibitor, with highest activity against type III (vascular endothelial growth factor, VEGF) and IV (platelet-derived growth factor, PDGF) RTKs [1].
Selectivity at enzymes
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
cyclin dependent kinase 8 Hs Inhibitor Inhibition 8.2 pKd - 2
pKd 8.2 (Kd 6.84x10-9 M) [2]
Description: CDK8/cyclin C.
cyclin dependent kinase 19 Hs Inhibitor Inhibition 7.9 pKd - 2
pKd 7.9 (Kd 1.19x10-8 M) [2]
Description: CDK19/cyclin C.
Selectivity at catalytic receptors
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
fms related receptor tyrosine kinase 3 Primary target of this compound Hs Inhibitor Inhibition 9.2 pKd - 3
pKd 9.2 (Kd 6.3x10-10 M) [3]
colony stimulating factor 1 receptor Hs Inhibitor Inhibition 8.5 pIC50 - 1
pIC50 8.5 (IC50 3x10-9 M) [1]
fms related receptor tyrosine kinase 1 Hs Inhibitor Inhibition 8.5 pIC50 - 1
pIC50 8.5 (IC50 3x10-9 M) [1]
fms related receptor tyrosine kinase 3 Hs Inhibitor Inhibition 8.4 pIC50 - 1
pIC50 8.4 (IC50 4x10-9 M) [1]
kinase insert domain receptor Hs Inhibitor Inhibition 8.4 pIC50 - 1
pIC50 8.4 (IC50 4x10-9 M) [1]
KIT proto-oncogene, receptor tyrosine kinase Hs Inhibitor Inhibition 7.8 pIC50 - 1
pIC50 7.8 (IC50 1.4x10-8 M) [1]
platelet derived growth factor receptor beta Hs Inhibitor Inhibition 7.2 pIC50 - 1
pIC50 7.2 (IC50 6.6x10-8 M) [1]
TEK receptor tyrosine kinase Hs Inhibitor Inhibition 6.8 pIC50 - 1
pIC50 6.8 (IC50 1.7x10-7 M) [1]
fms related receptor tyrosine kinase 4 Hs Inhibitor Inhibition 6.7 pIC50 - 1
pIC50 6.7 (IC50 1.9x10-7 M) [1]
ret proto-oncogene Hs Inhibitor Inhibition 5.7 pIC50 - 1
pIC50 5.7 (IC50 1.9x10-6 M) [1]