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Evolutionary dendrogram of deaminases involved in nitrobenzene and chloronitrobenzene degradation and homologs selected from results of a BLASTP search of GenBank, performed according to Altschul et al. (1). The phylogenetic tree was generated using the neighbor joining method of Saitou and Nei (26) with the AlignX software (Informax, Maryland), and multiple sequence alignment was done using ClustalX (37). The length of each branch pair represents the distance between the sequences.
