1    40  Alanine 20-mer  (Hoch-Stern Force Field)
2     1  CA     0.000000    0.000000    1.500000     1     2     3
3     2  CB    -0.697507   -1.273116    2.014063     2     1
4     3  CA     3.627787   -0.968206    1.721317     1     1     4     5
5     4  CB     4.290656   -2.021100    0.813783     2     3
6     5  CA     4.665851    2.249223    0.072738     1     3     6     7
7     6  CB     4.136041    2.721752   -1.293870     2     5
8     7  CA     2.553594    4.243707    2.461806     1     5     8     9
9     8  CB     1.047302    4.006505    2.677258     2     7
10     9  CA     4.056137    2.450488    5.406966     1     7    10    11
11    10  CB     4.060261    0.918801    5.566708     2     9
12    11  CA     7.532788    3.112689    4.133534     1     9    12    13
13    12  CB     8.021921    2.711943    2.729343     2    11
14    13  CA     6.752286    6.763628    3.676689     1    11    14    15
15    14  CB     5.573188    7.289372    2.837095     2    13
16    15  CA     5.382905    6.986646    7.172730     1    13    16    17
17    16  CB     4.261620    6.079979    7.713356     2    15
18    17  CA     8.462291    5.336332    8.565959     1    15    18    19
19    18  CB     8.990426    3.969265    8.092881     2    17
20    19  CA    10.682980    7.723499    6.690534     1    17    20    21
21    20  CB    10.616598    7.938652    5.167083     2    19
22    21  CA     8.734311   10.670248    7.981503     1    19    22    23
23    22  CB     7.211959   10.830966    7.813535     2    21
24    23  CA     9.001001    9.397435   11.510818     1    21    24    25
25    24  CB     8.546920    7.993646   11.952164     2    23
26    25  CA    12.716195    8.938036   11.145407     1    23    26    27
27    26  CB    13.370483    8.097755   10.033007     2    25
28    27  CA    13.093928   12.433525    9.808949     1    25    28    29
29    28  CB    12.319293   12.974391    8.592806     2    27
30    29  CA    11.109127   13.828724   12.683184     1    27    30    31
31    30  CB     9.691079   13.356673   13.054544     2    29
32    31  CA    13.230529   11.952446   15.158356     1    29    32    33
33    32  CB    13.450763   10.428839   15.116903     2    31
34    33  CA    16.378354   13.240958   13.552685     1    31    34    35
35    34  CB    16.708923   13.072433   12.058053     2    33
36    35  CA    15.085990   16.771161   13.673936     1    33    36    37
37    36  CB    13.742375   17.213264   13.064965     2    35
38    37  CA    14.211989   16.407154   17.314110     1    35    38    39
39    38  CB    13.302799   15.295484   17.870134     2    37
40    39  CA    17.642047   15.068587   18.082345     1    37    40
41    40  CB    18.265683   13.851868   17.373632     2    39
42