1/100 - 1/1000. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. Alternative antigen retrieval buffer: Tris-EDTA buffer pH 8.
Has transacylase and calcium-independent phospholipase A2 activity. Catalyzes the formation of 1-O-acyl-N-acetylsphingosine and the concomitant release of a lyso-phospholipid (By similarity). May have weak lysophospholipase activity.
Highly expressed in heart, placenta, skeletal muscle, kidney and pancreas. Detected at lower levels in spleen, thymus, prostate, testis, ovary, small intestine, colon and peripheral blood leukocytes.
Belongs to the AB hydrolase superfamily. Lipase family.