%0 Journal Article %T Catalytic role of the active site histidine of porcine pancreatic phospholipase A2 probed by the variants H48Q, H48N and H48K %A Janssen, Marcel J.W. %A van de Wiel, Wendy A.E.C. %A Beiboer, Sigrid H.W. %A van Kampen, Muriel D. %A Verheij, Hubertus M. %A Slotboom, Arend J. %A Egmond, Maarten R. %J Protein Engineering, Design and Selection %V 12 %N 6 %P 497-503 %@ 1741-0126 %D 1999-06-01 %I Oxford University Press %~ DeepDyve