Abstract
The primary structure of porcine pancreatic isophospholipase A2 (EC 3.1.1.4) has been investigated. The sequence of porcine isophospholipase differs from the sequence of porcine phospholipase by four substitutions; viz. Ala12 → Thr; His17 → Asp; Met20 → Leu and Glu71 → Asn.