--- a
+++ b/tests/data/pdb/3cx9_TYR.pdb
@@ -0,0 +1,55 @@
+HEADER    3CX9_PROTEIN
+COMPND    3CX9_PROTEIN
+REMARK    GENERATED BY X-TOOL on Wed Nov 21 14:12:22 2012
+ATOM      1  N   LYS A 137     -42.714   3.313 -37.261  1.00 69.14           N
+ATOM      2  H   LYS A 137     -43.000   4.109 -37.867  1.00  0.00           H
+ATOM      3  CA  LYS A 137     -42.115   2.116 -37.864  1.00 68.78           C
+ATOM      4  HA  LYS A 137     -42.835   1.309 -37.731  1.00  0.00           H
+ATOM      5  C   LYS A 137     -40.811   1.802 -37.179  1.00 68.13           C
+ATOM      6  O   LYS A 137     -40.551   0.637 -36.930  1.00 68.40           O
+ATOM      7  CB  LYS A 137     -41.859   2.260 -39.354  1.00 69.33           C
+ATOM      8  HB1 LYS A 137     -42.781   2.590 -39.833  1.00  0.00           H
+ATOM      9  HB2 LYS A 137     -41.086   3.014 -39.500  1.00  0.00           H
+ATOM     10  CG  LYS A 137     -41.399   0.950 -40.029  1.00 69.98           C
+ATOM     11  HG1 LYS A 137     -40.658   1.187 -40.792  1.00  0.00           H
+ATOM     12  HG2 LYS A 137     -40.949   0.303 -39.276  1.00  0.00           H
+ATOM     13  CD  LYS A 137     -42.571   0.209 -40.686  1.00 72.21           C
+ATOM     14  HD1 LYS A 137     -43.198  -0.214 -39.901  1.00  0.00           H
+ATOM     15  HD2 LYS A 137     -43.152   0.925 -41.268  1.00  0.00           H
+ATOM     16  CE  LYS A 137     -42.121  -0.927 -41.617  1.00 72.09           C
+ATOM     17  HE1 LYS A 137     -41.560  -0.504 -42.451  1.00  0.00           H
+ATOM     18  HE2 LYS A 137     -43.001  -1.446 -41.998  1.00  0.00           H
+ATOM     19  NZ  LYS A 137     -41.253  -1.904 -40.888  1.00 72.19           N
+ATOM     20  HZ1 LYS A 137     -40.410  -1.414 -40.526  1.00  0.00           H
+ATOM     21  HZ2 LYS A 137     -41.785  -2.313 -40.094  1.00  0.00           H
+ATOM     22  HZ3 LYS A 137     -40.963  -2.661 -41.539  1.00  0.00           H
+ATOM     23  N   TYR A 138     -40.016   2.823 -36.836  1.00 67.43           N
+ATOM     24  H   TYR A 138     -40.312   3.797 -37.048  1.00  0.00           H
+ATOM     25  CA  TYR A 138     -38.736   2.588 -36.167  1.00 67.01           C
+ATOM     26  HA  TYR A 138     -38.272   1.728 -36.651  1.00  0.00           H
+ATOM     27  C   TYR A 138     -38.948   2.249 -34.699  1.00 66.52           C
+ATOM     28  O   TYR A 138     -38.259   1.379 -34.144  1.00 66.29           O
+ATOM     29  CB  TYR A 138     -37.751   3.771 -36.342  1.00 67.79           C
+ATOM     30  HB1 TYR A 138     -38.121   4.406 -37.147  1.00  0.00           H
+ATOM     31  HB2 TYR A 138     -37.733   4.339 -35.412  1.00  0.00           H
+ATOM     32  CG  TYR A 138     -36.284   3.351 -36.687  1.00 67.15           C
+ATOM     33  N   LEU A 139     -39.921   2.891 -34.064  1.00 65.89           N
+ATOM     34  H   LEU A 139     -40.441   3.656 -34.540  1.00  0.00           H
+ATOM     35  CA  LEU A 139     -40.254   2.519 -32.703  1.00 65.22           C
+ATOM     36  HA  LEU A 139     -39.377   2.661 -32.072  1.00  0.00           H
+ATOM     37  C   LEU A 139     -40.655   1.046 -32.651  1.00 65.24           C
+ATOM     38  O   LEU A 139     -40.231   0.319 -31.759  1.00 65.76           O
+ATOM     39  CB  LEU A 139     -41.358   3.405 -32.161  1.00 65.42           C
+ATOM     40  HB1 LEU A 139     -41.154   4.424 -32.489  1.00  0.00           H
+ATOM     41  HB2 LEU A 139     -42.298   3.066 -32.597  1.00  0.00           H
+ATOM     42  CG  LEU A 139     -41.537   3.434 -30.636  1.00 64.94           C
+ATOM     43  HG  LEU A 139     -41.891   2.460 -30.299  1.00  0.00           H
+ATOM     44  CD1 LEU A 139     -40.240   3.678 -29.927  1.00 62.43           C
+ATOM     45 1HD1 LEU A 139     -39.537   2.883 -30.174  1.00  0.00           H
+ATOM     46 2HD1 LEU A 139     -39.830   4.638 -30.242  1.00  0.00           H
+ATOM     47 3HD1 LEU A 139     -40.412   3.691 -28.851  1.00  0.00           H
+ATOM     48  CD2 LEU A 139     -42.555   4.495 -30.294  1.00 64.85           C
+ATOM     49 1HD2 LEU A 139     -42.201   5.464 -30.646  1.00  0.00           H
+ATOM     50 2HD2 LEU A 139     -43.503   4.256 -30.776  1.00  0.00           H
+ATOM     51 3HD2 LEU A 139     -42.694   4.529 -29.213  1.00  0.00           H
+END