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Figure 5 | BMC Plant Biology

Figure 5

From: New insights into the evolutionary history of plant sorbitol dehydrogenase

Figure 5

Homology models of Vv_LIDH and Vv_SDH and proposed reaction mechanisms. A. Structure superimposition of Vv_LIDH_idonate (green) and Vv_SDH_sorbitol (yellow) in Ribbon forms. B. The proposed reaction mechanism for Vv_LIDH on the oxidation of L-idonate into 5-keto-D-gluconate (5KGA). C. Superimposition of the active site residues of Vv_LIDH (green) and Vv_SDH (yellow). The distances (Ã…) between corresponding atoms are labelled. Target active site residues are shown in stick forms and labelled correspondingly. D. Hydrophobicity variance at Y42H between Vv_LIDH (green) and Vv_SDH (yellow) with red and white colours representing the highest hydrophobicity and the lowest hydrophobicity respectively. (All amino acid site numbering is according to LIDH (UniProt No: Q1PSI9) without the first 20 amino acids).

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