1 <title>hdb file format
</title>
3 The hdb file extension stands for hydrogen database
4 Such a file is needed by
<a href=
"../programs/gmx-pdb2gmx.html">gmx pdb2gmx
</a>
5 when building hydrogen atoms that were either originally missing, or that
6 were removed with
<tt>-ignh
</tt>.
