9b96 | pdb_00009b96

Crystal structure of the human PAD2 protein bound to inhibitor

spinqualitylabelsall models 9b96, resolution 1.64Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 9b96 is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.64Å Ligands: A1AJA, ACT, CA Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function PADI2_HUMAN Catalyzes the deimination of arginine residues of proteins. Publication Abstract from PubMed Peptidyl arginine deiminases (PADs) are important enzymes in many diseases, especially those involving inflammation and autoimmunity. Despite many years of effort, developing isoform-specific inhibitors has been a challenge. We describe herein the discovery of a potent, noncovalent PAD2 inhibitor, with selectivity over PAD3 and PAD4, from a DNA-encoded library. The biochemical and biophysical characterization of this inhibitor and two noninhibitory binders indicated a novel, Ca(2+) competitive mechanism of inhibition. This was confirmed via X-ray crystallographic analysis. Finally, we demonstrate that this inhibitor selectively inhibits PAD2 in a cellular context. Discovery, Characterization, and Structure of a Cell Active PAD2 Inhibitor Acting through a Novel Allosteric Mechanism.,Byrnes LJ, Choi WY, Balbo P, Banker ME, Chang J, Chen S, Cheng X, Cong Y, Culp J, Di H, Griffor M, Hall J, Meng X, Morgan B, Mousseau JJ, Nicki J, O'Connell T, Ramsey S, Shaginian A, Shanker S, Trujillo J, Wan J, Vincent F, Wright SW, Vajdos F ACS Chem Biol. 2024 Sep 24. doi: 10.1021/acschembio.4c00397. PMID:39316753 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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