OBA_2042919 (level of 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase delta-1 in blood serum) is the amount of a 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase delta-1 when measured in blood serum. Also known as: blood serum 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase delta-1 amount.