Above is a listing of Het Groups in PDB beginning with the letter
The column on the right shows the number of PDB entries containing the
given Het Group. Other part-codes for this letter are listed in the
index on the left.
You can use the index at the top to get to Het Groups starting with
different letters. A drop-down menu gives you access to any given
part-code. Alternatively use the search box at top right to search for
codes or names.
Note that Het Groups with names that start with a space in the PDB naming
convention (eg metals) are listed in the page labelled "_" on the far
right of the index at the top.