The structure of a native l-amino acid oxidase, the major component of the Vipera ammodytes ammodytes venomic, reveals dynamic active site and quaternary structure stabilization by divalent ions Georgieva, Dessislava Murakami, Mario Perbandt, Markus Arni, Raghuvir Betzel, Christian 2011 - Forschungsinformationssystem der UHH