Residue IE Score (max +500)
Monitors that all PHE, TYR, and TRP residues are scoring well.
Core Existence (max +1000)
Ensures that at least 25% of residues are buried in the core of the protein.
SS Design (max +500)
Penalizes GLY, ALA residues in sheets. Penalizes GLY, ALA, SER, THR in helices.
Residue Count (max +550)
Penalizes extra residues inserted beyond the starting 66, at a cost of 55 points per residue. Players may use up to 76 residues in total.