The crystallization and Preliminary Crystallographic Analysis of the Monoclinic Crystal Form of Basic Phospholipase A(2) from the Venom of Agkistrodon halys Pallas.

The basic phospholipase A(2) from the venom of Agkistrodon halys Pallas exhibits strong hemolytic activity. The enzyme has been crystallized by vapour diffusion techniques. Diffraction data of the crystal have been collected up to 2.5 Aring; resolution using the synchrotron radiation-imaging plate-Weissenberg camera system. The crystal parameters were calculated with an auto-indexing program. The crystal belongs to C2 space group with unit cell dimensions of alpha=100.38 Aring;, b=54.37 Aring;, c=117.38 Aring; and beta=120.71 deg;. Each asymmetric unit probably contains four or five molecules.