I believe Procheck generates drawings such as those. It generates PostScript files, and if you need to have (eg) jpg files, a PostScript interpreter, screen capture and there you are (Gimp to select only the areas you're interested in) HTH, Fred. WENHE ZHONG wrote: > Dear memebers, > > > Thank you all firsit for the helps on my previous post about sequence > alignment. They are really useful! > > Apologize for the off-topic question again. I usually use DSSP method > to calculate the secondary structures on my sovled structures. I saw a > nice schematic representation for secondary structure from PDB > database website (please see the attached figure). Does anyone know > whether there is a program to draw these schematics? Thank you. > > King regards, > Wenhe > > ------------------------------------------------------------------------ > > > ------------------------------------------------------------------------ >