Sequence alignment between 2b04(A) and UniProt seq P00592 (PA21B_PIG):

P00592 (PA21B_PIG): Phospholipase A2, major isoenzyme from Sus scrofa
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140      
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MKFLVLAVLLTVGAAQEGISSRALWQFRSMIKCAIPGSHPLMDFNNYGCYCGLGGSGTPVDELDRCCETHDNCYRDAKNLDSCKFLVDNPYTESYSYSCSNTEITCNSKNNACEAFICNCDRNAAICFSKAPYNKEHKNLDTKKYC
         .....................................XXXXXX.......................................................................................................
PDB seq: ----------------------ALWQFRSMIKCAIPG------FNNYGCYCGLGGSGTPVDELDRCCETHDNCYRDAKNLDSCKFLVDNPYTESYSYSCSNTEITCNSKNNACEAFICNCDRNAAICFSKAPYNKEHKNLDTKKYC
                               ---------+-----      --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                                       10                  30        40        50        60        70        80        90       100       110       120