>>4IXU:HELIX   25  25 SER B  189  ALA B  191  5                                   3    
SSA
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HELIX   25  25 SER B  189  ALA B  191  5                                   3    

ATOM   3643  N   SER B 189      41.726  48.658  29.329  1.00 18.97           N  
ATOM   3644  CA  SER B 189      41.300  49.855  28.620  1.00 21.67           C  
ATOM   3645  C   SER B 189      41.072  50.992  29.608  1.00 21.20           C  
ATOM   3646  O   SER B 189      40.884  50.767  30.803  1.00 15.92           O  
ATOM   3647  CB  SER B 189      40.020  49.595  27.828  1.00 21.98           C  
ATOM   3648  OG  SER B 189      38.908  49.462  28.694  1.00 29.14           O  
ATOM   3649  N   SER B 190      41.081  52.217  29.099  1.00 23.50           N  
ATOM   3650  CA  SER B 190      40.875  53.393  29.926  1.00 18.78           C  
ATOM   3651  C   SER B 190      39.487  53.429  30.567  1.00 18.02           C  
ATOM   3652  O   SER B 190      39.286  54.091  31.584  1.00 16.42           O  
ATOM   3653  CB  SER B 190      41.137  54.651  29.087  1.00 25.30           C  
ATOM   3654  OG  SER B 190      40.295  54.676  27.958  1.00 30.29           O  
ATOM   3655  N   ALA B 191      38.527  52.712  29.989  1.00  9.59           N  
ATOM   3656  CA  ALA B 191      37.190  52.658  30.570  1.00 11.26           C  
ATOM   3657  C   ALA B 191      37.143  51.640  31.710  1.00 10.86           C  
ATOM   3658  O   ALA B 191      36.118  51.494  32.381  1.00  9.96           O  
ATOM   3659  CB  ALA B 191      36.157  52.296  29.506  1.00 19.53           C