title: PReDS: a graphics program to aid in the solution of difficult structures.
authors.affiliation: Molecular Biophysics Department, Hauptman-Woodward Medical Research Institute, Inc, Buffalo, New York 14203, USA.
authors.forename: M D
authors.initials: MD
authors.lastname: Stock
authors.forename: A
authors.initials: A
authors.lastname: Beers
authors.forename: G D
authors.initials: GD
authors.lastname: Smith
mesh_terms: D003196:Computer Graphics; D018360:Crystallography, X-Ray / Q000379:methods*; D006096:Gramicidin / Q000737:chemistry; D008958:Models, Molecular; D011487:Protein Conformation; D014584:User-Computer Interface
chemical_list: D006096:Gramicidin