| Common Residues in Alfa Helix (AHR) | Represents the common residues in Alfa Helix structures: ALA, CYS, GLN, GLU, HIS, LEU, LYS and MET. |
| Common Residues in Beta Sheet (BSR) | Represents the all common residues in Beta Sheet structure: ILE, PHE, THR, TRP, TYR and VAL. |
| Common Residues in Reverse Turn (RTR) | Represents the all common residues in reverse turn structure: ASN, ASP, GLY, PRO and SER. |
| Aliphatic Residue (ALR) | Represents all aliphatic residues contained in the protein. |
| Aromatic residues (ARM) | Represents all aromatic residues: HIS, PHE, TRP and TYR . |
| Negative Charged (NCR) | Represents the all negative charged residues: ASP and GLU. |
| Positive Charged (PCR) | Represents the all positive charged residues: ARG, HIS and LYS. |
| Uncharged residues (UCR) | Represents the Uncharged (neutral) residues: ASN, CYS, GLN, SER,THR,TYR. |
| Polar Residues (PLR) | Represents the all polar resiudes: ARG, ASN, ASP, CYS, GLN, GLU, HIS, LYS, SER, THR and TYR. |
| Non Polar Residues (NPR) | Represents the all non polar residues: ALA, GLY, ILE, LEU, MET, PHE, PRO, TRP and VAL. |
| UnFolding residues (UFR) | Represents the all unfolding residues: GLY and PRO. |