GSK-484 is a potent, highly selective and reversible protein arginine deiminase PAD4 inhibitor with IC50 of 80 nM in FP binding assay (0.2 mM Ca), 50 nM in PAD4 NH3 release inhibition assay.

ML325 (ML 325) is a potent, irreversible pan-protein arginine deiminase (PAD) inhibitor with IC50 of 70 nM, 200 nM 170 nM, and 240 nM for PAD1, 2, 3, and 4 in vitro respectively.

JBI-589 (JBI589) is potent, selective, orally active PAD4 small molecule inhibitor, reduces CXCR2 expression and blocks neutrophil chemotaxis.

GSK-199 is a potent, highly selective and reversible protein arginine deiminase PAD4 inhibitor with IC50 of 250 nM in FP binding assay (0.2 mM Ca), 200 nM in PAD4 NH3 release inhibition assay.

AFM-30a hydrochloride is a potent protein arginine deiminase 2 (PAD2) inhibitor and has excellent PAD2-selectivity. AFM-30a hydrochloride binds to PAD2 with an EC50 value of 9.5 μM. AFM-30a hydrochloride also inhibits H3 citrullination with an EC50 value of 0.4 μM. AFM-30a hydrochloride can be used for the research of certain cancers and a variety of autoimmune diseases including rheumatoid arthritis (RA), multiple sclerosis, lupus, and ulcerative colitis.

GSK484 is a reversible inhibitor of PAD4 (IC50 = 50 nM) that binds to the low-calcium form of the enzyme.

D-Cl-amidine hydrochloride is a potent and highly selective PAD1 inhibitor. D-Cl-amidine is well-torelated with no significant toxicity.

YW3-56 is a potent peptidylarginine deiminase (PAD) inhibitor with inhibitory activity against PAD2 (IC50=0.5-1 uM) and PAD4 (IC50=1-2 uM), inhibits U2OS cancer cell growth with IC50 of 2.5 uM.