>>3NA1:HELIX    3   3 GLY A   31  HIS A   33  5                                   3    
GTH
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HELIX    3   3 GLY A   31  HIS A   33  5                                   3    

ATOM    224  N   GLY A  31     -35.649 -21.413  46.789  1.00 25.43           N  
ATOM    225  CA  GLY A  31     -34.373 -21.068  47.379  1.00 24.66           C  
ATOM    226  C   GLY A  31     -34.473 -19.901  48.344  1.00 24.22           C  
ATOM    227  O   GLY A  31     -35.302 -18.978  48.177  1.00 23.49           O  
ATOM    228  N   THR A  32     -33.596 -19.948  49.343  1.00 23.46           N  
ATOM    229  CA  THR A  32     -33.540 -18.956  50.408  1.00 23.25           C  
ATOM    230  C   THR A  32     -33.394 -17.524  49.870  1.00 22.14           C  
ATOM    231  O   THR A  32     -33.946 -16.597  50.444  1.00 22.14           O  
ATOM    232  CB  THR A  32     -32.392 -19.282  51.404  1.00 23.35           C  
ATOM    233  OG1 THR A  32     -31.140 -19.187  50.728  1.00 24.25           O  
ATOM    234  CG2 THR A  32     -32.519 -20.712  51.936  1.00 24.15           C  
ATOM    235  N   HIS A  33     -32.678 -17.362  48.759  1.00 20.99           N  
ATOM    236  CA  HIS A  33     -32.372 -16.037  48.211  1.00 20.66           C  
ATOM    237  C   HIS A  33     -33.416 -15.457  47.248  1.00 19.74           C  
ATOM    238  O   HIS A  33     -33.229 -14.364  46.705  1.00 19.44           O  
ATOM    239  CB  HIS A  33     -30.979 -16.037  47.576  1.00 20.93           C  
ATOM    240  CG  HIS A  33     -29.885 -16.308  48.558  1.00 23.49           C  
ATOM    241  ND1 HIS A  33     -29.475 -15.377  49.489  1.00 25.36           N  
ATOM    242  CD2 HIS A  33     -29.140 -17.416  48.781  1.00 25.67           C  
ATOM    243  CE1 HIS A  33     -28.513 -15.894  50.232  1.00 26.06           C  
ATOM    244  NE2 HIS A  33     -28.295 -17.132  49.827  1.00 27.29           N