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Crystallization and Preliminary X-Ray Diffraction Studies of Two Myotoxic Lys49-Phospholipases A2 Complexed with α-Tocopherol

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BnSP-7 and BnSP-6, two Lys49-phospholipase A2 isolated from Bothrops neuwiedi pauloensis snake venom, were co-crystallized with α-tocopherol and X-ray diffraction data were collected for both complexes (2.2 and 2.6 Å). A new "alternative" quaternary conformation for these two complexes compared with all other dimeric Lys49-PLA2 has been observed.

Keywords: bothrops neuwiedi venom; crystallization; lys-phospholipase a; myotoxity; tocopherol; x-ray crystallography

Document Type: Review Article


Affiliations: Departamento de Fisica e Biofísica, Instituto de Biociencias, UNESP, C. P. 510, CEP 18618-000, Botucatu-SP, Brazil;

Publication date: 2005-11-01

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
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