Fig. 2

Phylogenetic tree based on deduced amino acid sequences of glutamic acid decarboxylases. Glutamate decarboxylase homologs from various representative organisms were aligned using ClustalX, and the phylogenetic tree was constructed with the neighbor-joining (NJ) method using MEGA 4.0. GenBank accession numbers are shown for all proteins. The numbers at the branches indicate supporting bootstrap values (1000 replications) for the NJ analyses. Bootstrap values above 50% are shown