717906-29-1

Proline-rich tyrosine kinase 2 (PYK2) and focal adhesion kinase (FAK) are nonreceptor tyrosine kinases that constitute the focal adhesion kinase subfamily. PYK2 is expressed in both bone-forming osteoblasts and bone-resorbing osteoclasts where it has a positive role in osteoclast maturation and bone resorption. PF-431396 is a pyrimidine-based dual inhibitor of FAK and PYK2 (IC₅₀s = 2 and 11 nM, respectively). In ovariectomized rats, it has been shown to increase bone formation, promoting osteoblast recruitment and activity.

PF 431396 is a dual focal adhesion kinase (FAK) and proline-rich tyrosine kinase 2 (PYK2) inhibitor (IC50 values are 2 and 11 nM respectively). Promotes osteoblast recruitment and activity, and stimulates bone formation in ovariectomized rats.

ChEBI: N-methyl-N-[2-[[[2-[(2-oxo-1,3-dihydroindol-5-yl)amino]-5-(trifluoromethyl)-4-pyrimidinyl]amino]methyl]phenyl]methanesulfonamide is a sulfonamide.

PF-431396 is a potent inhibitor of PYK2 and FAK kinases (IC50 = 11 and 1.5 nM, respectively). PF-431396 increases bone formation and protects against bone loss in ovariectomized rats.

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