<prompt> PNH is associated with a deficiency of:DAFMIRLGPI Anchored proteinAll of the above  <response>: PNH is associated with deficiency of GPI anchor proteins and thereby leading to absence of about 20 external surface membrane proteins to which it attaches. CD55 DAF and CD59 MIRL are two such complement defence proteins. Ref: Harrisons Principles of Internal Medicine, 16th Edition, Page 616; Wintrobes Clinical Hematology By John P. Greer, Maxwell Myer Wintrobe, Page 998. 