--- a
+++ b/tests/data/pdb/2vnf_bindedHOH.pdb
@@ -0,0 +1,16 @@
+HEADER    2VNF_PROTEIN
+COMPND    2VNF_PROTEIN
+REMARK    GENERATED BY X-TOOL on Wed Nov 21 18:02:19 2012
+ATOM      1  N   ALA A 225      10.250 -13.177   9.152  1.00 19.76           N
+ATOM      2  H   ALA A 225      10.605 -14.082   8.782  1.00  0.00           H
+ATOM      3  CA  ALA A 225      11.136 -12.000   9.236  1.00 21.97           C
+ATOM      4  HA  ALA A 225      11.079 -11.589  10.244  1.00  0.00           H
+ATOM      5  C   ALA A 225      10.683 -10.934   8.231  1.00 21.61           C
+ATOM      6  O   ALA A 225      10.811  -9.723   8.485  1.00 20.83           O
+ATOM      7  CB  ALA A 225      12.572 -12.399   8.956  1.00 22.98           C
+ATOM      8  HB1 ALA A 225      12.892 -13.138   9.690  1.00  0.00           H
+ATOM      9  HB2 ALA A 225      12.641 -12.825   7.955  1.00  0.00           H
+ATOM     10  HB3 ALA A 225      13.212 -11.519   9.022  1.00  0.00           H
+TER      11      ALA A 225
+HETATM   12  O   HOH    43      12.371  -9.746   8.354  0.50 30.13           O
+END