6CYANA: write pdb - CYANA command

Parameters: file=<filename>.pdb            (required)
            bfactor=<real>                 (default: 0.0)
            chains=<string>                (default: *)
            details                        
            all                            
            oldall                         
            connect                        
            append                         

Writes a coordinate file in PDB (Protein Data Bank; Bernstein et al.,
1977) format. Optionally, the output may be appended to an existing
file.  By default, the Cartesian coordinates of the current structure
are written. Optionally, the Cartesian coordinates of all selected
structures may be written.
