<prompt> PNH is associated with deficiency of:DAF Decay accelerating factorMIRL Membrane inhibitor of reactive lysisGPI Anchored Proteins Glycosyl phosphatidyl Inositol anchored proteinsLFA Lymphocyte function associated antigen  <response>: Out of all the options given GPI Anchored Proteins is the best answer because DAF, MIRL and LFA are among the various GPI proteins found to be deficient in PNH. Ref: Wintrobes Clinical Hematology By John P. Greer, Maxwell Myer Wintrobe, Page 1007. 