5qj2

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CRYSTAL STRUCTURE OF MYELOPEROXIDASE SUBFORM C (MPO) OMPLEX WITH COMPOUND-20 AKA 7-((3-(1-METHYL-1H-PYRAZOL-3- YL)BENZYL)OXY)- 1H-[1,2,3]TRIAZOLO[4,5-B]PYRIDIN-5-AMINE

Structural highlights

5qj2 is a 8 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 2.82Å
Ligands:BMA, CA, CL, FUC, HEM, JXS, MAN, NAG
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

PERM_HUMAN Defects in MPO are the cause of myeloperoxidase deficiency (MPOD) [MIM:254600. A disorder characterized by decreased myeloperoxidase activity in neutrophils and monocytes that results in disseminated candidiasis.[1] [2] [3] [4] [5]

Function

PERM_HUMAN Part of the host defense system of polymorphonuclear leukocytes. It is responsible for microbicidal activity against a wide range of organisms. In the stimulated PMN, MPO catalyzes the production of hypohalous acids, primarily hypochlorous acid in physiologic situations, and other toxic intermediates that greatly enhance PMN microbicidal activity.

Publication Abstract from PubMed

Myeloperoxidase (MPO) generates reactive oxygen species that potentially contribute to many chronic inflammatory diseases. A recently reported triazolopyrimidine MPO inhibitor was optimized to improve acid stability and remove methyl guanine methyl transferase (MGMT) activity. Multiple synthetic routes were explored that allowed rapid optimization of a key benzyl ether side chain. Crystal structures of inhibitors bound to the MPO active site demonstrated alternate binding modes and guided rational design of MPO inhibitors. Thioether 36 showed significant inhibition of MPO activity in an acute mouse inflammation model after oral dosing.

Potent Triazolopyridine Myeloperoxidase Inhibitors.,Wurtz NR, Viet A, Shaw SA, Dilger A, Valente MN, Khan JA, Jusuf S, Narayanan R, Fernando G, Lo F, Liu X, Locke GA, Kopcho L, Abell LM, Sleph P, Basso M, Zhao L, Wexler RR, Duclos F, Kick EK ACS Med Chem Lett. 2018 Nov 1;9(12):1175-1180. doi: , 10.1021/acsmedchemlett.8b00308. eCollection 2018 Dec 13. PMID:30613322[6]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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Citations
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See Also

References

  1. ↑ Kizaki M, Miller CW, Selsted ME, Koeffler HP. Myeloperoxidase (MPO) gene mutation in hereditary MPO deficiency. Blood. 1994 Apr 1;83(7):1935-40. PMID:8142659
  2. ↑ Nauseef WM, Brigham S, Cogley M. Hereditary myeloperoxidase deficiency due to a missense mutation of arginine 569 to tryptophan. J Biol Chem. 1994 Jan 14;269(2):1212-6. PMID:7904599
  3. ↑ Nauseef WM, Cogley M, McCormick S. Effect of the R569W missense mutation on the biosynthesis of myeloperoxidase. J Biol Chem. 1996 Apr 19;271(16):9546-9. PMID:8621627
  4. ↑ DeLeo FR, Goedken M, McCormick SJ, Nauseef WM. A novel form of hereditary myeloperoxidase deficiency linked to endoplasmic reticulum/proteasome degradation. J Clin Invest. 1998 Jun 15;101(12):2900-9. PMID:9637725 doi:10.1172/JCI2649
  5. ↑ Romano M, Dri P, Dadalt L, Patriarca P, Baralle FE. Biochemical and molecular characterization of hereditary myeloperoxidase deficiency. Blood. 1997 Nov 15;90(10):4126-34. PMID:9354683
  6. ↑ Wurtz NR, Viet A, Shaw SA, Dilger A, Valente MN, Khan JA, Jusuf S, Narayanan R, Fernando G, Lo F, Liu X, Locke GA, Kopcho L, Abell LM, Sleph P, Basso M, Zhao L, Wexler RR, Duclos F, Kick EK. Potent Triazolopyridine Myeloperoxidase Inhibitors. ACS Med Chem Lett. 2018 Nov 1;9(12):1175-1180. PMID:30613322 doi:10.1021/acsmedchemlett.8b00308

Contents


PDB ID 5qj2

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