1. d.258.1 Chorismate synthase, AroC Chorismate synthase, AroC duplication: consists of two DCoH-like beta(2)-alpha-beta(2)-alpha structural repeats; 3 layers, beta/alpha/beta 1r52 d1r52d_ D:2-6,35-47,128-148,237-250,341-369 1r52 d1r52c_ C:2-6,35-47,128-148,237-250,341-369 1r52 d1r52b_ B:2-6,35-47,128-148,237-250,341-369 1r52 d1r52a_ A:2-6,35-47,128-148,237-250,341-369 1r53 d1r53a_ A:2-6,35-48,128-148,237-250,341-371 1um0 d1um0b_ B:2-6,35-48,122-147,228-241,326-355 1um0 d1um0d_ D:2-6,35-48,124-147,228-241,326-355 1um0 d1um0a_ A:2-6,35-48,122-147,228-241,326-355 1umf d1umfb_ B:2-6,35-48,122-147,228-241,326-355 1umf d1umfc_ C:2-6,35-53,123-147,228-241,326-355 1umf d1umfd_ D:2-6,35-48,124-147,228-241,326-355 1sq1 d1sq1a_ A:2-6,35-48,126-146,225-238,323-352 1umf d1umfa_ A:2-6,35-48,123-147,228-241,326-355 1um0 d1um0c_ C:2-6,35-53,123-147,228-241,326-355