>>2GRA:HELIX    2   2 ALA A   26  HIS A   28  5                                   3    
AAH
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HELIX    2   2 ALA A   26  HIS A   28  5                                   3    

ATOM    184  N   ALA A  26      42.899  78.281  -6.865  1.00 82.39           N  
ATOM    185  CA  ALA A  26      43.665  77.749  -7.979  1.00 81.62           C  
ATOM    186  C   ALA A  26      43.747  76.244  -7.809  1.00 80.81           C  
ATOM    187  O   ALA A  26      43.996  75.750  -6.710  1.00 80.22           O  
ATOM    188  CB  ALA A  26      45.055  78.351  -7.988  1.00 93.15           C  
ATOM    189  N   ALA A  27      43.528  75.520  -8.899  1.00 73.92           N  
ATOM    190  CA  ALA A  27      43.570  74.064  -8.864  1.00 76.24           C  
ATOM    191  C   ALA A  27      44.782  73.557  -8.089  1.00 76.88           C  
ATOM    192  O   ALA A  27      44.652  72.741  -7.172  1.00 76.43           O  
ATOM    193  CB  ALA A  27      43.593  73.512 -10.284  1.00114.35           C  
ATOM    194  N   HIS A  28      45.959  74.054  -8.459  1.00104.52           N  
ATOM    195  CA  HIS A  28      47.204  73.649  -7.815  1.00104.48           C  
ATOM    196  C   HIS A  28      47.317  74.201  -6.400  1.00103.33           C  
ATOM    197  O   HIS A  28      48.168  73.773  -5.622  1.00102.57           O  
ATOM    198  CB  HIS A  28      48.406  74.103  -8.660  1.00 92.84           C  
ATOM    199  CG  HIS A  28      48.582  75.591  -8.731  1.00 92.89           C  
ATOM    200  ND1 HIS A  28      47.532  76.459  -8.944  1.00 92.84           N  
ATOM    201  CD2 HIS A  28      49.692  76.360  -8.637  1.00 92.85           C  
ATOM    202  CE1 HIS A  28      47.990  77.698  -8.975  1.00 93.64           C  
ATOM    203  NE2 HIS A  28      49.297  77.666  -8.791  1.00 93.17           N