Autogenerated Tag Syntax Documentation:
This residue selector selects for the residues in contact with the ligand metal
<LigandMetalContactSelector name="(&string;)" residue_selector="(&string;)"
dist_cutoff_multiplier="(1 ℜ)"
resnums="(&resnum_list_with_ranges;)" >
<Residue Selector Tag ... />
</LigandMetalContactSelector>
"Residue Selector Tag": Any of the ResidueSelectors