REMARK   4 1EXT COMPLIES WITH FORMAT V. 2.0,  8-JAN-1998                        
ATOM      1  N   ALA     1       0.039  -0.028   0.000  1.00  0.00           N  
ATOM      2  CA  ALA     1       1.499  -0.043   0.000  1.00  0.00           C  
ATOM      3  C   ALA     1       2.055   1.361   0.000  1.00  0.00           C  
ATOM      4  O   ALA     1       1.321   2.356   0.011  1.00  0.00           O  
ATOM      5  CB  ALA     1       1.956  -0.866  -1.217  1.00  0.00           C  
ATOM      6 1H   ALA     1      -0.524   0.894   0.000  1.00  0.00           H  
ATOM      7 2H   ALA     1      -0.543  -0.938   0.000  1.00  0.00           H  
ATOM      8  HA  ALA     1       1.847  -0.534   0.928  1.00  0.00           H  
ATOM      9 3HB  ALA     1       3.058  -0.939  -1.274  1.00  0.00           H  
ATOM     10 1HB  ALA     1       1.571  -1.903  -1.181  1.00  0.00           H  
ATOM     11 2HB  ALA     1       1.610  -0.425  -2.172  1.00  0.00           H  
ATOM     12  N   ALA     2       3.371   1.462   0.000  1.00  0.00           N  
ATOM     13  CA  ALA     2       4.047   2.756   0.000  1.00  0.00           C  
ATOM     14  C   ALA     2       5.547   2.582   0.000  1.00  0.00           C  
ATOM     15  O   ALA     2       6.078   1.465  -0.011  1.00  0.00           O  
ATOM     16  CB  ALA     2       3.539   3.548   1.217  1.00  0.00           C  
ATOM     17  H   ALA     2       3.917   0.530   0.000  1.00  0.00           H  
ATOM     18  HA  ALA     2       3.779   3.295  -0.928  1.00  0.00           H  
ATOM     19 3HB  ALA     2       3.995   4.553   1.274  1.00  0.00           H  
ATOM     20 1HB  ALA     2       2.443   3.698   1.181  1.00  0.00           H  
ATOM     21 2HB  ALA     2       3.763   3.034   2.172  1.00  0.00           H  
ATOM     22  N   ALA     3       6.259   3.694   0.000  1.00  0.00           N  
ATOM     23  CA  ALA     3       7.718   3.679   0.000  1.00  0.00           C  
ATOM     24  C   ALA     3       8.274   5.083   0.000  1.00  0.00           C  
ATOM     25  O   ALA     3       7.540   6.078   0.012  1.00  0.00           O  
ATOM     26  CB  ALA     3       8.176   2.856  -1.217  1.00  0.00           C  
ATOM     27  H   ALA     3       5.696   4.616   0.000  1.00  0.00           H  
ATOM     28  HA  ALA     3       8.067   3.188   0.928  1.00  0.00           H  
ATOM     29  HC  ALA     3       9.361   5.167   0.000  1.00  0.00           H  
ATOM     30 3HB  ALA     3       9.278   2.783  -1.274  1.00  0.00           H  
ATOM     31 1HB  ALA     3       7.791   1.820  -1.181  1.00  0.00           H  
ATOM     32 2HB  ALA     3       7.829   3.297  -2.172  1.00  0.00           H  
TER