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Cloning, expression, purification, crystallization and preliminary X-ray diffraction analysis of variants of monoamine oxidase from Aspergillus niger
Atkin, K E; Reiss, R; Turner, N J; Brzozowski, A M; Grogan, G
Acta Crystallographica Section F-Structural Biology and Crystallization Communications. 2008;64:182-185.
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Abstract
Monoamine oxidase from Aspergillus niger (MAO-N) is an FAD-dependent enzyme that catalyses the conversion of terminal amines to their corresponding aldehydes. Variants of MAO-N produced by directed evolution have been shown to possess altered substrate specificity. Crystals of two of these variants (MAO-N-3 and MAO-N-5) have been obtained; the former displays P2(1) symmetry with eight molecules per asymmetric unit and the latter has P4(1)2(1)2 or P4(3)2(1)2 symmetry and two molecules per asymmetric unit. Solution of these structures will help shed light on the molecular determinants of improved activity and high enantioselectivity towards a broad range of substrates.
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- Atkin, Kate E. Reiss, Renate Turner, Nicholas J. Brzozowski, Andrzej M. Grogan, Gideon 20 BLACKWELL PUBLISHING OXFORD Part 3 271LY