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Catalog No. T2465Cas No. 717907-75-0
PF-562271 is an effective ATP-competitive, reversible inhibitor of FAK(IC50=1.5 nM) and Pyk2 kinase(IC50=13 nM).
All TargetMol products are for research purposes only and cannot be used for human consumption. We do not provide products or services to individuals. Please comply with the intended use and do not use TargetMol products for any other purpose.
Pack SizePriceAvailabilityQuantity
1 mg$54In Stock
5 mg$129In Stock
10 mg$162In Stock
25 mg$273In Stock
50 mg$397In Stock
100 mg$596In Stock
500 mg$1,250In Stock
1 mL x 10 mM (in DMSO)$143In Stock
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Product Introduction

PF-562271 is an effective ATP-competitive, reversible inhibitor of FAK(IC50=1.5 nM) and Pyk2 kinase(IC50=13 nM).
In vitro
In rats implanted with MDA-MB-231 cells in the tibia, oral administration of PF-562271 (5 mg/kg) induced an increase in osteocalcin and trabecular bone, thereby slowing the growth of tumor cells. Oral administration of PF-562271 (25 mg/kg) in mouse models with H125 lung xenograft tumors and PC3M-luc-C6 xenografts inhibited tumor cell growth and induced apoptosis. In mice bearing U87 mg tumors, PF-562271 (oral < 33 mg/kg) was able to inhibit tumor FAK phosphorylation in a time- and dose-dependent manner. Oral administration of PF-562271 (50 mg/kg) in BxPc3 and PC3-M xenograft mice effectively inhibited tumor growth.
In vivo
PF-562271 binds to the site where ATP and FAK interact, forming inhibitory hydrogen bonds with the main chain atoms in the kinase hinge region. In the chick embryo chorioallantoic membrane, PF-562271 (1 nM) inhibits vascular genesis stimulated by bFGF. In PC3-M cells, PF-562271 (3.3 μM) induces cell cycle arrest at the G1 phase. For A431 cells, PF-562271 (250 nM) inhibits cell invasion into collagen.
Kinase Assay
The purified-activated FAK kinase domain (amino acid 410-689) is reacted with 50 μM ATP and 10 μg per well of a random peptide polymer of Glu and Tyr, p(Glu/Tyr), in kinase buffer (50 mM HEPES pH 7.5, 125 mM NaCl, and 48 mM MgCl2) for 15 min. Phosphorylation of p(Glu/Tyr) is challenged with serially diluted compound at 1/2-Log concentrations starting at a top concentration of 1 μM. Each concentration is tested in triplicate. Phosphorylation of p(Glu/Tyr) is detected with a general antiphospho-tyrosine (PY20) antibody followed by horseradish peroxidase (HRP)-conjugated goat anti-mouse IgG antibody. HRP substrate is added, and absorbance readings at 450 nm are obtained after addition of stop solution (2 M H2SO4). IC50 values are determined using the Hill-Slope Model[1].
Cell Research
PF-562271 (Haoyuan Chemexpress Co., Ltd.) is dissolved in DMSO and stored, and then diluted with appropriate media before use[2]. Ewing sarcoma cells are plated in 10-cm dishes, allowed to adhere for 24 hours, and then treated with PF-562271, PD0325901, or Dasatinib. ATP content is measured as a surrogate for cell number using the CellTiter-Glo Luminescent Cell Viability Assay. Luminescence readings are obtained using the FLUOstar Omega microplate reader. For experiments with small-molecule treatment, 1.25×103 Ewing sarcoma cells are seeded in each well and treated with a range of concentrations. IC50 values are calculated from ATP measurements obtained after 3 days of treatment using log-transformed, normalized data in GraphPad Prism 5.0. Cell lines are also treated with compound in 6-cm dishes, trypsinized, and counted by light microscopy using trypan blue exclusion. For experiments using shRNA-transduced cells, 1.25×103 cells are seeded per well into 384-well plates on day 3 posttransduction. ATP content is measured on days 3, 6, and 8 posttransduction[2].
AliasPF562271, PF 562271
Chemical Properties
Molecular Weight507.49
Cas No.717907-75-0
Storage & Solubility Information
Storagestore at low temperature Powder: -20°C for 3 years | In solvent: -80°C for 1 year
Solubility Information
DMSO: 93 mg/mL (183.3 mM)
Ethanol: < 1 mg/mL (insoluble or slightly soluble)
Solution Preparation Table
1 mM1.9705 mL9.8524 mL19.7048 mL98.5241 mL
5 mM0.3941 mL1.9705 mL3.9410 mL19.7048 mL
10 mM0.1970 mL0.9852 mL1.9705 mL9.8524 mL
20 mM0.0985 mL0.4926 mL0.9852 mL4.9262 mL
50 mM0.0394 mL0.1970 mL0.3941 mL1.9705 mL
100 mM0.0197 mL0.0985 mL0.1970 mL0.9852 mL


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