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. Author manuscript; available in PMC: 2009 Mar 19.
Published in final edited form as: Expert Opin Drug Metab Toxicol. 2008 Jun;4(6):697–720. doi: 10.1517/17425250802102627

Figure 2. Evolutionary relationship and mutational phenotypes of the nineteen human ALDH genes.

Figure 2

Clustering dendogram illustrates the evolutionary relationship of the nineteen human ALDH genes from a common ancestral gene ~ 3 billion years ago. Chromosomal location is also described. (?) indicates phenotype demonstrated in animals but not yet described in humans.