Figure 2From: Analysis of the glutathione S-transferase (GST) gene familyDendrogram of the 16 GST genes that are bona fide members of the GST family. Again, for the sake of simplicity, the additional splice variants of GSTM4, GSTM1 and GSTZ1 have been excluded. The X-axis denotes evolutionary time, which is not precise but extends over hundreds of millions of years.Back to article page