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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Crystallization and preliminary crystallographic analysis of aspartate-beta-semialdehyde dehydrogenase from Escherichia coli.

Aspartate-beta-semialdehyde dehydrogenase catalyzes the NADPH-mediated reductive dephosphorylation of beta-aspartylphosphate at a branch point in the biosynthesis of several amino acids. The enzyme from Escherichia coli has been crystallized by the vapor diffusion method from Tris buffer (pH 8.5) using polyethylene glycol 4000 as a precipitant. The crystals are orthorhombic and have the symmetry of space group P222(1), with unit cell dimensions of a = 177.8 A, b = 59.9 A, c = 118.65 A, and alpha = beta = gamma = 90 degrees. The dimensions and space group are indicative of two enzyme dimers (40 kDa per subunit) in the asymmetric unit. The crystals show strong diffraction, and a native data set has been collected to 2.5 A resolution.[1]


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