--- a
+++ b/tests/data/pdb/1bpx_missingBase.pdb
@@ -0,0 +1,347 @@
+HEADER    TRANSFERASE/DNA                         11-APR-97   1BPX
+ATOM      1  P   DC  T   8      12.885  19.660   3.423  1.00 89.88           P
+ATOM      2  OP1 DC  T   8      12.122  20.358   2.344  1.00 95.34           O
+ATOM      3  OP2 DC  T   8      14.178  20.190   3.964  1.00 86.35           O
+ATOM      4  O5' DC  T   8      11.917  19.361   4.633  1.00 86.07           O
+ATOM      5  C5' DC  T   8      10.832  18.467   4.453  1.00 78.37           C
+ATOM      6  C4' DC  T   8      10.369  18.192   5.833  1.00 65.38           C
+ATOM      7  O4' DC  T   8      11.331  17.343   6.509  1.00 61.98           O
+ATOM      8  C3' DC  T   8      10.333  19.528   6.564  1.00 55.59           C
+ATOM      9  O3' DC  T   8       9.093  19.590   7.188  1.00 58.60           O
+ATOM     10  C2' DC  T   8      11.513  19.513   7.506  1.00 49.66           C
+ATOM     11  C1' DC  T   8      11.757  18.010   7.661  1.00 53.19           C
+ATOM     12  N1  DC  T   8      13.049  17.598   8.157  1.00 48.94           N
+ATOM     13  C2  DC  T   8      13.104  16.731   9.262  1.00 49.57           C
+ATOM     14  O2  DC  T   8      12.050  16.316   9.738  1.00 48.39           O
+ATOM     15  N3  DC  T   8      14.291  16.349   9.768  1.00 46.31           N
+ATOM     16  C4  DC  T   8      15.384  16.818   9.225  1.00 46.34           C
+ATOM     17  N4  DC  T   8      16.527  16.403   9.767  1.00 48.66           N
+ATOM     18  C5  DC  T   8      15.372  17.718   8.125  1.00 47.77           C
+ATOM     19  C6  DC  T   8      14.177  18.090   7.632  1.00 49.97           C
+ATOM     20  P   DG  T   9       8.556  20.938   7.798  1.00 67.12           P
+ATOM     21  OP1 DG  T   9       7.310  21.289   7.110  1.00 76.91           O
+ATOM     22  OP2 DG  T   9       9.653  21.923   7.885  1.00 60.54           O
+ATOM     23  O5' DG  T   9       8.173  20.409   9.254  1.00 71.83           O
+ATOM     24  C5' DG  T   9       7.210  19.333   9.470  1.00 62.25           C
+ATOM     25  C4' DG  T   9       7.050  19.112  10.985  1.00 49.91           C
+ATOM     26  O4' DG  T   9       8.232  18.553  11.585  1.00 53.06           O
+ATOM     27  C3' DG  T   9       6.778  20.356  11.759  1.00 38.69           C
+ATOM     28  O3' DG  T   9       5.958  19.871  12.764  1.00 52.08           O
+ATOM     29  C2' DG  T   9       8.105  20.786  12.381  1.00 42.52           C
+ATOM     30  C1' DG  T   9       8.914  19.478  12.434  1.00 52.08           C
+ATOM     31  N9  DG  T   9      10.336  19.539  12.002  1.00 52.54           N
+ATOM     32  C8  DG  T   9      10.891  20.245  10.921  1.00 54.00           C
+ATOM     33  N7  DG  T   9      12.204  20.114  10.832  1.00 40.63           N
+ATOM     34  C5  DG  T   9      12.498  19.309  11.918  1.00 44.64           C
+ATOM     35  C6  DG  T   9      13.716  18.834  12.338  1.00 46.70           C
+ATOM     36  O6  DG  T   9      14.805  18.993  11.823  1.00 47.55           O
+ATOM     37  N1  DG  T   9      13.577  18.083  13.484  1.00 42.82           N
+ATOM     38  C2  DG  T   9      12.430  17.816  14.106  1.00 37.41           C
+ATOM     39  N2  DG  T   9      12.552  17.085  15.181  1.00 38.79           N
+ATOM     40  N3  DG  T   9      11.251  18.240  13.742  1.00 34.30           N
+ATOM     41  C4  DG  T   9      11.361  18.985  12.669  1.00 41.75           C
+ATOM     42  P   DC  T  10       5.263  20.874  13.799  1.00 50.36           P
+ATOM     43  OP1 DC  T  10       3.944  20.262  14.101  1.00 44.70           O
+ATOM     44  OP2 DC  T  10       5.344  22.240  13.251  1.00 44.03           O
+ATOM     45  O5' DC  T  10       6.288  20.737  15.014  1.00 45.40           O
+ATOM     46  C5' DC  T  10       6.452  19.502  15.771  1.00 46.84           C
+ATOM     47  C4' DC  T  10       7.637  19.682  16.714  1.00 54.90           C
+ATOM     48  O4' DC  T  10       8.883  19.713  15.978  1.00 60.21           O
+ATOM     49  C3' DC  T  10       7.610  20.983  17.534  1.00 53.43           C
+ATOM     50  O3' DC  T  10       7.736  20.632  18.896  1.00 57.40           O
+ATOM     51  C2' DC  T  10       8.821  21.809  17.085  1.00 53.27           C
+ATOM     52  C1' DC  T  10       9.687  20.773  16.422  1.00 49.42           C
+ATOM     53  N1  DC  T  10      10.654  21.200  15.452  1.00 45.50           N
+ATOM     54  C2  DC  T  10      11.907  20.812  15.773  1.00 42.97           C
+ATOM     55  O2  DC  T  10      12.017  20.138  16.788  1.00 36.49           O
+ATOM     56  N3  DC  T  10      12.929  21.105  14.970  1.00 43.24           N
+ATOM     57  C4  DC  T  10      12.723  21.842  13.886  1.00 50.20           C
+ATOM     58  N4  DC  T  10      13.780  22.113  13.127  1.00 60.54           N
+ATOM     59  C5  DC  T  10      11.424  22.302  13.524  1.00 48.47           C
+ATOM     60  C6  DC  T  10      10.402  21.963  14.342  1.00 49.73           C
+ATOM     61  P   DA  T  11       7.426  21.604  20.147  1.00 44.92           P
+ATOM     62  OP1 DA  T  11       6.486  20.779  20.934  1.00 52.15           O
+ATOM     63  OP2 DA  T  11       7.106  23.052  19.775  1.00 26.83           O
+ATOM     64  O5' DA  T  11       8.886  21.653  20.790  1.00 30.07           O
+ATOM     65  C5' DA  T  11       9.605  20.486  21.192  1.00 20.38           C
+ATOM     66  C4' DA  T  11      10.933  20.952  21.743  1.00 38.20           C
+ATOM     67  O4' DA  T  11      11.833  21.265  20.677  1.00 48.70           O
+ATOM     68  C3' DA  T  11      11.015  22.128  22.729  1.00 45.89           C
+ATOM     69  O3' DA  T  11      11.947  21.640  23.780  1.00 57.79           O
+ATOM     70  C2' DA  T  11      11.733  23.240  21.931  1.00 43.35           C
+ATOM     71  C1' DA  T  11      12.539  22.447  20.893  1.00 43.20           C
+ATOM     72  N9  DA  T  11      12.635  22.996  19.580  1.00 51.25           N
+ATOM     73  C8  DA  T  11      11.634  23.539  18.828  1.00 52.62           C
+ATOM     74  N7  DA  T  11      12.060  23.942  17.650  1.00 50.07           N
+ATOM     75  C5  DA  T  11      13.424  23.593  17.657  1.00 49.43           C
+ATOM     76  C6  DA  T  11      14.452  23.750  16.721  1.00 49.91           C
+ATOM     77  N6  DA  T  11      14.284  24.267  15.474  1.00 55.19           N
+ATOM     78  N1  DA  T  11      15.657  23.321  17.124  1.00 48.95           N
+ATOM     79  C2  DA  T  11      15.833  22.746  18.311  1.00 49.02           C
+ATOM     80  N3  DA  T  11      14.945  22.560  19.260  1.00 51.90           N
+ATOM     81  C4  DA  T  11      13.776  23.026  18.865  1.00 49.89           C
+ATOM     82  P   DT  T  12      12.371  22.496  25.066  1.00 55.75           P
+ATOM     83  OP1 DT  T  12      12.639  21.468  26.127  1.00 61.72           O
+ATOM     84  OP2 DT  T  12      11.396  23.626  25.117  1.00 48.97           O
+ATOM     85  O5' DT  T  12      13.756  23.111  24.854  1.00 44.65           O
+ATOM     86  C5' DT  T  12      14.774  22.216  24.720  1.00 39.05           C
+ATOM     87  C4' DT  T  12      15.847  23.000  24.067  1.00 46.50           C
+ATOM     88  O4' DT  T  12      15.340  23.430  22.791  1.00 52.80           O
+ATOM     89  C3' DT  T  12      16.284  24.284  24.818  1.00 53.23           C
+ATOM     90  O3' DT  T  12      17.681  24.124  25.042  1.00 66.29           O
+ATOM     91  C2' DT  T  12      16.027  25.421  23.844  1.00 52.49           C
+ATOM     92  C1' DT  T  12      15.891  24.663  22.534  1.00 51.74           C
+ATOM     93  N1  DT  T  12      15.390  25.309  21.335  1.00 46.34           N
+ATOM     94  C2  DT  T  12      16.281  25.519  20.260  1.00 39.16           C
+ATOM     95  O2  DT  T  12      17.473  25.171  20.287  1.00 38.84           O
+ATOM     96  N3  DT  T  12      15.726  26.146  19.177  1.00 37.51           N
+ATOM     97  C4  DT  T  12      14.393  26.549  19.086  1.00 43.33           C
+ATOM     98  O4  DT  T  12      13.992  27.076  18.060  1.00 48.24           O
+ATOM     99  C5  DT  T  12      13.538  26.289  20.221  1.00 40.55           C
+ATOM    100  C7  DT  T  12      12.106  26.725  20.179  1.00 31.98           C
+ATOM    101  C6  DT  T  12      14.073  25.693  21.291  1.00 43.09           C
+ATOM    102  P   DC  T  13      18.628  25.046  25.959  1.00 68.41           P
+ATOM    103  OP1 DC  T  13      19.498  24.098  26.756  1.00 62.10           O
+ATOM    104  OP2 DC  T  13      17.813  26.149  26.547  1.00 66.30           O
+ATOM    105  O5' DC  T  13      19.577  25.717  24.892  1.00 77.82           O
+ATOM    106  C5' DC  T  13      20.408  24.901  24.079  1.00 77.86           C
+ATOM    107  C4' DC  T  13      20.998  25.756  23.001  1.00 73.09           C
+ATOM    108  O4' DC  T  13      19.969  26.184  22.075  1.00 70.23           O
+ATOM    109  C3' DC  T  13      21.670  26.993  23.538  1.00 70.56           C
+ATOM    110  O3' DC  T  13      23.015  26.891  23.181  1.00 74.30           O
+ATOM    111  C2' DC  T  13      20.934  28.202  22.923  1.00 67.34           C
+ATOM    112  C1' DC  T  13      20.059  27.558  21.854  1.00 60.56           C
+ATOM    113  N1  DC  T  13      18.740  28.055  21.451  1.00 50.35           N
+ATOM    114  C2  DC  T  13      18.678  28.497  20.164  1.00 49.79           C
+ATOM    115  O2  DC  T  13      19.717  28.459  19.534  1.00 62.39           O
+ATOM    116  N3  DC  T  13      17.549  28.951  19.638  1.00 45.40           N
+ATOM    117  C4  DC  T  13      16.460  28.983  20.351  1.00 56.67           C
+ATOM    118  N4  DC  T  13      15.350  29.440  19.755  1.00 54.62           N
+ATOM    119  C5  DC  T  13      16.463  28.521  21.728  1.00 61.78           C
+ATOM    120  C6  DC  T  13      17.627  28.061  22.237  1.00 55.50           C
+TER     121      DC  T  13
+ATOM    122  N9  DA  T  14      21.945  31.590  20.302  1.00 52.31           N
+ATOM    123  C8  DA  T  14      21.271  31.159  21.399  1.00 57.44           C
+ATOM    124  N7  DA  T  14      19.962  31.312  21.259  1.00 60.98           N
+ATOM    125  C5  DA  T  14      19.820  31.848  19.983  1.00 65.63           C
+ATOM    126  C6  DA  T  14      18.694  32.239  19.241  1.00 71.66           C
+ATOM    127  N6  DA  T  14      17.440  32.107  19.700  1.00 76.10           N
+ATOM    128  N1  DA  T  14      18.913  32.750  17.999  1.00 63.43           N
+ATOM    129  C2  DA  T  14      20.164  32.863  17.525  1.00 64.39           C
+ATOM    130  N3  DA  T  14      21.299  32.532  18.126  1.00 66.49           N
+ATOM    131  C4  DA  T  14      21.048  32.035  19.371  1.00 63.00           C
+TER     132      DA  T  14
+ATOM    133  P   DG  T  15      27.328  32.408  20.128  1.00 72.07           P
+ATOM    134  OP1 DG  T  15      28.557  32.160  19.360  1.00 79.49           O
+ATOM    135  OP2 DG  T  15      27.375  32.583  21.596  1.00 83.19           O
+ATOM    136  O5' DG  T  15      26.506  33.648  19.547  1.00 64.10           O
+ATOM    137  C5' DG  T  15      25.963  33.548  18.274  1.00 57.91           C
+ATOM    138  C4' DG  T  15      25.012  34.676  17.964  1.00 53.94           C
+ATOM    139  O4' DG  T  15      23.653  34.403  18.315  1.00 51.78           O
+ATOM    140  C3' DG  T  15      25.352  36.071  18.406  1.00 59.12           C
+ATOM    141  O3' DG  T  15      25.681  36.850  17.235  1.00 74.97           O
+ATOM    142  C2' DG  T  15      24.055  36.621  18.989  1.00 52.60           C
+ATOM    143  C1' DG  T  15      23.019  35.604  18.624  1.00 50.19           C
+ATOM    144  N9  DG  T  15      22.018  35.324  19.596  1.00 48.58           N
+ATOM    145  C8  DG  T  15      22.154  34.793  20.855  1.00 51.21           C
+ATOM    146  N7  DG  T  15      20.981  34.692  21.425  1.00 49.83           N
+ATOM    147  C5  DG  T  15      20.084  35.194  20.464  1.00 42.16           C
+ATOM    148  C6  DG  T  15      18.679  35.338  20.484  1.00 49.78           C
+ATOM    149  O6  DG  T  15      17.863  35.051  21.371  1.00 60.20           O
+ATOM    150  N1  DG  T  15      18.229  35.902  19.293  1.00 51.05           N
+ATOM    151  C2  DG  T  15      19.035  36.255  18.225  1.00 48.11           C
+ATOM    152  N2  DG  T  15      18.430  36.798  17.187  1.00 50.30           N
+ATOM    153  N3  DG  T  15      20.330  36.118  18.195  1.00 43.71           N
+ATOM    154  C4  DG  T  15      20.754  35.598  19.345  1.00 40.23           C
+TER     155      DG  T  15
+ATOM    156  P   DC  P   2       8.696  37.663  19.192  1.00 95.70           P
+ATOM    157  OP1 DC  P   2       7.402  37.824  18.489  1.00100.00           O
+ATOM    158  OP2 DC  P   2       8.977  36.436  19.996  1.00 94.91           O
+ATOM    159  O5' DC  P   2       9.870  37.799  18.151  1.00 91.05           O
+ATOM    160  C5' DC  P   2      10.042  38.948  17.356  1.00 86.44           C
+ATOM    161  C4' DC  P   2      11.073  38.552  16.322  1.00 77.02           C
+ATOM    162  O4' DC  P   2      12.387  38.734  16.903  1.00 59.98           O
+ATOM    163  C3' DC  P   2      10.953  37.050  16.017  1.00 84.99           C
+ATOM    164  O3' DC  P   2      10.267  36.675  14.836  1.00 95.71           O
+ATOM    165  C2' DC  P   2      12.327  36.461  16.131  1.00 73.94           C
+ATOM    166  C1' DC  P   2      13.141  37.558  16.770  1.00 61.26           C
+ATOM    167  N1  DC  P   2      13.561  37.029  18.001  1.00 54.56           N
+ATOM    168  C2  DC  P   2      14.902  36.822  18.135  1.00 54.26           C
+ATOM    169  O2  DC  P   2      15.638  37.155  17.210  1.00 55.15           O
+ATOM    170  N3  DC  P   2      15.356  36.285  19.251  1.00 53.10           N
+ATOM    171  C4  DC  P   2      14.510  35.920  20.224  1.00 61.57           C
+ATOM    172  N4  DC  P   2      15.032  35.397  21.334  1.00 72.12           N
+ATOM    173  C5  DC  P   2      13.096  36.087  20.095  1.00 50.45           C
+ATOM    174  C6  DC  P   2      12.671  36.626  18.952  1.00 49.36           C
+ATOM    175  P   DT  P   3      10.866  36.817  13.378  1.00 98.09           P
+ATOM    176  OP1 DT  P   3      10.857  38.285  13.052  1.00100.00           O
+ATOM    177  OP2 DT  P   3      10.097  35.803  12.619  1.00 90.11           O
+ATOM    178  O5' DT  P   3      12.410  36.364  13.356  1.00 93.56           O
+ATOM    179  C5' DT  P   3      13.320  37.169  12.571  1.00 83.76           C
+ATOM    180  C4' DT  P   3      14.684  36.527  12.318  1.00 80.43           C
+ATOM    181  O4' DT  P   3      15.376  36.240  13.548  1.00 76.29           O
+ATOM    182  C3' DT  P   3      14.718  35.256  11.479  1.00 79.65           C
+ATOM    183  O3' DT  P   3      15.583  35.441  10.397  1.00 75.69           O
+ATOM    184  C2' DT  P   3      15.360  34.190  12.355  1.00 81.01           C
+ATOM    185  C1' DT  P   3      15.936  34.949  13.528  1.00 72.13           C
+ATOM    186  N1  DT  P   3      15.659  34.364  14.782  1.00 57.62           N
+ATOM    187  C2  DT  P   3      16.729  33.959  15.498  1.00 56.50           C
+ATOM    188  O2  DT  P   3      17.862  34.075  15.084  1.00 58.08           O
+ATOM    189  N3  DT  P   3      16.426  33.445  16.703  1.00 56.71           N
+ATOM    190  C4  DT  P   3      15.165  33.267  17.247  1.00 64.16           C
+ATOM    191  O4  DT  P   3      15.034  32.785  18.362  1.00 78.13           O
+ATOM    192  C5  DT  P   3      14.068  33.716  16.426  1.00 52.50           C
+ATOM    193  C7  DT  P   3      12.660  33.598  16.941  1.00 45.92           C
+ATOM    194  C6  DT  P   3      14.360  34.260  15.243  1.00 49.97           C
+ATOM    195  P   DG  P   4      15.710  34.261   9.334  1.00 77.47           P
+ATOM    196  OP1 DG  P   4      16.092  34.885   8.049  1.00 90.72           O
+ATOM    197  OP2 DG  P   4      14.498  33.444   9.424  1.00 78.89           O
+ATOM    198  O5' DG  P   4      16.903  33.370   9.872  1.00 64.95           O
+ATOM    199  C5' DG  P   4      18.204  33.919   9.995  1.00 57.58           C
+ATOM    200  C4' DG  P   4      19.122  32.876  10.581  1.00 55.89           C
+ATOM    201  O4' DG  P   4      18.755  32.627  11.940  1.00 62.68           O
+ATOM    202  C3' DG  P   4      19.128  31.505   9.893  1.00 57.94           C
+ATOM    203  O3' DG  P   4      20.505  31.202   9.814  1.00 61.45           O
+ATOM    204  C2' DG  P   4      18.427  30.532  10.844  1.00 59.65           C
+ATOM    205  C1' DG  P   4      18.596  31.238  12.184  1.00 64.05           C
+ATOM    206  N9  DG  P   4      17.573  31.097  13.186  1.00 61.65           N
+ATOM    207  P   DA  P   5      21.021  29.727   9.538  1.00 55.00           P
+ATOM    208  OP1 DA  P   5      22.304  29.882   8.812  1.00 56.88           O
+ATOM    209  OP2 DA  P   5      19.866  28.952   9.033  1.00 53.88           O
+ATOM    210  O5' DA  P   5      21.413  29.135  10.984  1.00 50.68           O
+ATOM    211  C5' DA  P   5      22.439  29.771  11.841  1.00 42.76           C
+ATOM    212  C4' DA  P   5      22.950  28.717  12.781  1.00 34.21           C
+ATOM    213  O4' DA  P   5      21.883  28.450  13.687  1.00 42.58           O
+ATOM    214  C3' DA  P   5      23.188  27.410  12.070  1.00 33.73           C
+ATOM    215  O3' DA  P   5      24.290  26.954  12.662  1.00 36.02           O
+ATOM    216  C2' DA  P   5      21.950  26.535  12.319  1.00 41.22           C
+ATOM    217  C1' DA  P   5      21.302  27.189  13.544  1.00 43.89           C
+ATOM    218  N9  DA  P   5      19.839  27.399  13.686  1.00 47.82           N
+ATOM    219  C8  DA  P   5      18.956  27.986  12.834  1.00 46.03           C
+ATOM    220  N7  DA  P   5      17.741  28.041  13.359  1.00 52.67           N
+ATOM    221  C5  DA  P   5      17.863  27.473  14.650  1.00 52.59           C
+ATOM    222  C6  DA  P   5      16.953  27.222  15.744  1.00 50.07           C
+ATOM    223  N6  DA  P   5      15.651  27.549  15.777  1.00 51.96           N
+ATOM    224  N1  DA  P   5      17.446  26.653  16.850  1.00 46.40           N
+ATOM    225  C2  DA  P   5      18.739  26.334  16.888  1.00 49.97           C
+ATOM    226  N3  DA  P   5      19.684  26.495  15.977  1.00 53.32           N
+ATOM    227  C4  DA  P   5      19.170  27.079  14.859  1.00 55.50           C
+ATOM    228  P   DT  P   6      24.635  25.427  12.537  1.00 55.68           P
+ATOM    229  OP1 DT  P   6      26.088  25.315  12.772  1.00 54.31           O
+ATOM    230  OP2 DT  P   6      23.933  24.818  11.391  1.00 62.86           O
+ATOM    231  O5' DT  P   6      23.960  24.810  13.858  1.00 77.07           O
+ATOM    232  C5' DT  P   6      24.434  25.063  15.219  1.00 62.56           C
+ATOM    233  C4' DT  P   6      23.798  23.999  16.041  1.00 45.78           C
+ATOM    234  O4' DT  P   6      22.386  24.145  15.878  1.00 46.05           O
+ATOM    235  C3' DT  P   6      24.073  22.555  15.595  1.00 43.04           C
+ATOM    236  O3' DT  P   6      24.486  21.895  16.726  1.00 52.67           O
+ATOM    237  C2' DT  P   6      22.747  21.940  15.107  1.00 38.28           C
+ATOM    238  C1' DT  P   6      21.747  22.874  15.703  1.00 45.71           C
+ATOM    239  N1  DT  P   6      20.394  23.171  15.199  1.00 52.45           N
+ATOM    240  C2  DT  P   6      19.350  23.023  16.100  1.00 52.44           C
+ATOM    241  O2  DT  P   6      19.508  22.571  17.231  1.00 45.80           O
+ATOM    242  N3  DT  P   6      18.127  23.418  15.615  1.00 53.41           N
+ATOM    243  C4  DT  P   6      17.884  23.904  14.367  1.00 59.24           C
+ATOM    244  O4  DT  P   6      16.751  24.240  14.072  1.00 64.87           O
+ATOM    245  C5  DT  P   6      18.970  24.058  13.499  1.00 56.18           C
+ATOM    246  C7  DT  P   6      18.660  24.623  12.150  1.00 51.83           C
+ATOM    247  C6  DT  P   6      20.195  23.715  13.946  1.00 54.38           C
+ATOM    248  P   DG  P   7      24.723  20.346  16.714  1.00 60.28           P
+ATOM    249  OP1 DG  P   7      25.949  20.031  17.483  1.00 56.05           O
+ATOM    250  OP2 DG  P   7      24.682  19.938  15.298  1.00 74.42           O
+ATOM    251  O5' DG  P   7      23.396  19.742  17.433  1.00 56.99           O
+ATOM    252  C5' DG  P   7      22.968  20.097  18.680  1.00 38.31           C
+ATOM    253  C4' DG  P   7      21.875  19.143  19.001  1.00 35.06           C
+ATOM    254  O4' DG  P   7      20.627  19.508  18.390  1.00 41.74           O
+ATOM    255  C3' DG  P   7      22.103  17.673  18.697  1.00 41.25           C
+ATOM    256  O3' DG  P   7      21.918  17.097  19.992  1.00 44.35           O
+ATOM    257  C2' DG  P   7      20.901  17.251  17.782  1.00 40.24           C
+ATOM    258  C1' DG  P   7      19.874  18.361  17.914  1.00 40.01           C
+ATOM    259  N9  DG  P   7      19.222  18.965  16.785  1.00 40.88           N
+ATOM    260  C8  DG  P   7      19.902  19.575  15.771  1.00 41.34           C
+ATOM    261  N7  DG  P   7      19.109  20.164  14.941  1.00 37.16           N
+ATOM    262  C5  DG  P   7      17.835  20.005  15.465  1.00 38.54           C
+ATOM    263  C4  DG  P   7      17.883  19.287  16.648  1.00 42.16           C
+ATOM    264  P   DC  P   8      21.965  15.550  20.316  1.00 42.15           P
+ATOM    265  OP1 DC  P   8      21.906  15.357  21.793  1.00 65.42           O
+ATOM    266  OP2 DC  P   8      23.084  14.944  19.599  1.00 46.87           O
+ATOM    267  O5' DC  P   8      20.552  15.085  19.744  1.00 44.15           O
+ATOM    268  C5' DC  P   8      19.406  15.619  20.281  1.00 35.59           C
+ATOM    269  C4' DC  P   8      18.204  14.978  19.666  1.00 37.36           C
+ATOM    270  O4' DC  P   8      17.673  15.799  18.640  1.00 49.13           O
+ATOM    271  C3' DC  P   8      18.270  13.531  19.147  1.00 44.01           C
+ATOM    272  O3' DC  P   8      17.466  12.689  20.005  1.00 43.20           O
+ATOM    273  C2' DC  P   8      17.581  13.590  17.762  1.00 45.90           C
+ATOM    274  C1' DC  P   8      16.976  14.983  17.699  1.00 48.50           C
+ATOM    275  N1  DC  P   8      17.002  15.697  16.443  1.00 37.50           N
+ATOM    276  C2  DC  P   8      15.832  16.204  15.895  1.00 36.26           C
+ATOM    277  O2  DC  P   8      14.801  15.996  16.427  1.00 40.77           O
+ATOM    278  N3  DC  P   8      15.856  16.896  14.787  1.00 43.41           N
+ATOM    279  C4  DC  P   8      17.009  17.084  14.218  1.00 49.76           C
+ATOM    280  N4  DC  P   8      17.003  17.789  13.115  1.00 48.80           N
+ATOM    281  C5  DC  P   8      18.226  16.613  14.766  1.00 47.04           C
+ATOM    282  C6  DC  P   8      18.183  15.938  15.889  1.00 39.89           C
+ATOM    283  P   DG  P   9      17.509  11.091  19.859  1.00 46.39           P
+ATOM    284  OP1 DG  P   9      17.498  10.365  21.184  1.00 48.70           O
+ATOM    285  OP2 DG  P   9      18.690  10.745  19.047  1.00 45.94           O
+ATOM    286  O5' DG  P   9      16.155  10.904  19.048  1.00 38.24           O
+ATOM    287  C5' DG  P   9      14.937  11.549  19.438  1.00 42.49           C
+ATOM    288  C4' DG  P   9      13.827  11.327  18.399  1.00 51.91           C
+ATOM    289  O4' DG  P   9      13.975  12.180  17.254  1.00 57.97           O
+ATOM    290  C3' DG  P   9      13.680   9.934  17.829  1.00 52.35           C
+ATOM    291  O3' DG  P   9      12.367   9.620  17.886  1.00 41.70           O
+ATOM    292  C2' DG  P   9      14.070  10.011  16.334  1.00 53.56           C
+ATOM    293  C1' DG  P   9      13.876  11.477  16.019  1.00 51.31           C
+ATOM    294  N9  DG  P   9      14.866  12.104  15.202  1.00 41.54           N
+ATOM    295  C8  DG  P   9      16.191  11.971  15.371  1.00 41.08           C
+ATOM    296  N7  DG  P   9      16.828  12.703  14.465  1.00 43.50           N
+ATOM    297  C5  DG  P   9      15.827  13.324  13.693  1.00 41.66           C
+ATOM    298  C6  DG  P   9      15.902  14.219  12.565  1.00 45.69           C
+ATOM    299  O6  DG  P   9      16.881  14.668  12.010  1.00 42.68           O
+ATOM    300  N1  DG  P   9      14.656  14.587  12.069  1.00 42.04           N
+ATOM    301  C2  DG  P   9      13.504  14.172  12.589  1.00 37.90           C
+ATOM    302  N2  DG  P   9      12.406  14.625  11.972  1.00 30.76           N
+ATOM    303  N3  DG  P   9      13.415  13.337  13.637  1.00 47.10           N
+ATOM    304  C4  DG  P   9      14.610  12.949  14.126  1.00 37.81           C
+CONECT  112  108  111  113
+CONECT  114  113  115  116
+CONECT  111  109  112
+CONECT  109  107  110  111
+CONECT  117  116  118  119
+CONECT  107  106  108  109
+CONECT  119  117  120
+CONECT  106  105  107
+CONECT  120  113  119
+CONECT  113  112  114  120
+CONECT  116  114  117
+CONECT  118  117
+CONECT  115  114
+CONECT  110  109
+CONECT  108  107  112
+CONECT  105  102  106
+CONECT  103  102
+CONECT  104  102
+CONECT  102   90  103  104  105
+CONECT  293  289  292  294
+CONECT  301  300  302  303
+CONECT  292  290  293
+CONECT  290  288  291  292
+CONECT  304  294  297  303
+CONECT  288  287  289  290
+CONECT  297  296  298  304
+CONECT  287  286  288
+CONECT  298  297  299  300
+CONECT  295  294  296
+CONECT  300  298  301
+CONECT  302  301
+CONECT  303  301  304
+CONECT  296  295  297
+CONECT  294  293  295  304
+CONECT  291  290
+CONECT  289  288  293
+CONECT  286  283  287
+CONECT  299  298
+CONECT  284  283
+CONECT  285  283
+CONECT  283  272  284  285  286
+END