 This file specifies which residues will be varied
                                                  
 Column   2:  Chain                               
 Column   4-7:  sequential residue number         
 Column   9-12:  pdb residue number                
 Column  14-18: id  (described below)             
 Column  21-40: amino acids to be used            
                                                  
 NATAA  => use native amino acid                  
 ALLAA  => all amino acids                        
 NATRO  => native amino acid and rotamer          
 PIKAA  => select inividual amino acids           
 POLAR  => polar amino acids                      
 APOLA  => apolar amino acids                     
                                                  
 The following demo lines are in the proper format
                                                  
 A    1    3 NATAA                                
 A    2    4 ALLAA                                
 A    3    6 NATRO                                
 A    4    7 NATAA                                
 B    5    1 PIKAA  DFLM                          
 B    6    2 PIKAA  HIL                           
 B    7    3 POLAR                                
 -------------------------------------------------
 start                                            
 _    1    1 NATRO
 _    2    2 NATRO
 _    3    3 ALLAA
 _    4    4 ALLAA
 _    5    5 PIKAA  DFGTR
 _    6    6 NATAA
 _    7    7 PIKAA  GTYRD
 _    8    8 NATRO
 _    9    9 NATRO
 _   10   10 NATRO
 _   11   11 NATRO
 _   12   12 NATRO
 _   13   13 NATRO
 _   14   14 NATRO
 _   15   15 NATRO
 _   16   16 NATRO
 _   17   17 NATRO
 _   18   18 NATRO
 _   19   19 NATRO
 _   20   20 NATRO
 _   21   21 NATRO
 _   22   22 NATRO
 _   23   23 NATRO
 _   24   24 NATRO
 _   25   25 NATRO
 _   26   26 NATRO
 _   27   27 NATRO
 _   28   28 NATRO
 _   29   29 NATRO
 _   30   30 NATRO
 _   31   31 NATRO
 _   32   32 NATRO
 _   33   33 NATRO
 _   34   34 NATRO
 _   35   35 NATRO
 _   36   36 NATRO
 _   37   37 NATRO
 _   38   38 NATRO
 _   39   39 NATRO
 _   40   40 NATRO
 _   41   41 NATRO
 _   42   42 NATRO
 _   43   43 NATRO
 _   44   44 NATRO
 _   45   45 NATRO
 _   46   46 NATRO
 _   47   47 NATRO
 _   48   48 NATRO
 _   49   49 NATRO
 _   50   50 NATRO
 _   51   51 NATRO
 _   52   52 NATRO
 _   53   53 NATRO
 _   54   54 NATRO
 _   55   55 NATRO
 _   56   56 NATRO
 _   57   57 NATRO
 _   58   58 NATRO
 _   59   59 NATRO
 _   60   60 NATRO
 _   61   61 NATRO
 _   62   62 NATRO
 _   63   63 NATRO
 _   64   64 NATRO
 _   65   65 NATRO
 _   66   66 NATRO
 _   67   67 NATRO
 _   68   68 NATRO
 _   69   69 NATRO
 _   70   70 NATRO
 _   71   71 NATRO
 _   72   72 NATRO
 _   73   73 NATRO
 _   74   74 NATRO
 _   75   75 NATRO
 _   76   76 NATRO
