CAY10729 is a tetrazole derivative of the protein arginine deiminase (PAD) inhibitor Cl-amidine that selectively inhibits PAD1 over PAD2, PAD3, and PAD4 (kinact/KI = 162,200, 60,000, 17,500, and 25,400 M-1min-1 for PAD1-4, respectively).1
References
1. Subramanian, V., Knight, J.S., Parelkar, S., et al. Design, synthesis, and biological evaluation of tetrazole analogs of cl-amidine as protein arginine deiminase inhibitors. Journal of Medicinal Chemistry 58(3), 1337-1344 (2015).