>sp|P31854|PA2B_VIPBB Basic phospholipase A2 Pla2Vb OS=Vipera berus berus MRTLWIVAVWLMGVEGNLFQFGNMINHMVGKHAVWSYLSYGCYCGWGGQGKPQDATDRCC FVHDCCYGRANGCDPKLSTYSYNFQNGNIVCGNKYGCLRHICECDRVAAICFQKNMNTYN KKYKNYSSSNCQENSDKC