Phosphatidylinositol-4,5-bisphosphate 4-phosphatase XSPEPQPMGV RVICGHCKNT FLWTEFTDRT LARCPHCRKV SSIGRRYPRK RCICCFLLGL LLAVTATGLA FGTWKHARRY GGIYAAWAFV ILLAVLCLGR ALYWACMKGC CV