mpo 383Myeloperoxidase Deficiency. In 6 of 7 patients with complete MPO deficiency (), Nauseef et al. (1994) identified an arg569-to-trp mutation (R569W; 606989.0001) inmpo-383 mpo-383 mpo383- is your first and best source for all of the information you're looking for. From general topics to more of what you would expect to find nagasaon