Autogenerated Tag Syntax Documentation:
A scoring grid that treats selected residue atoms as both attractive within 4.75A (getting a default score of -1) and repulsive within 2.25A (getting a default score of +1) atr and rep changes scoring weights;
<SiteGrid name="(&string;)" grid_name="(&string;)" residues="(&string;)"
atr="(-1.0 ℜ)" rep="(1.0 ℜ)" weight="(ℜ)" />