1. c.124.1 NagB/RpiA/CoA transferase-like NagB/RpiA/CoA transferase-like core: 3 layers: a/b/a; parallel or mixed beta-sheet of 6 strands, order 321456 2g40 d2g40a1 A:57-63,140-148,148-156,180-186,204-212