Crystalization and preliminary XRay diffraction studies of BNSP-6, a myotoxic phospholipase A2 from Bothrops neuwiedi venon - Fontes, Marcos R. M.; Monteiro, Luiz M.; Soares, Andreimar M.; Rodrigues, Verediana M.; Reinaldo J. da Silva; Giglio, José Roberto (Protein and Peptide Letters, 2000)