2QZ9:
reference: The structure of a redundant enzyme: a second isoform of aspartate beta-semialdehyde dehydrogenase in Vibrio cholerae., Viola RE, Liu X, Ohren JF, Faehnle CR, Acta Crystallogr D Biol Crystallogr. 2008 Mar;64(Pt 3):321-30. Epub 2008, Feb 20. PMID: 18323627

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