Figure 1.

Schematic representation of the pairwise residue parameters for pseudo-energy components. (A) DABG component. Distance d (Å) is measured between two C_α atoms. The α angle (degree) is formed with the C_α-pseudo-C_β vector of i^th residue and the C_α-C_α vector. The β angle (degree) is formed similarly for j^th residue. The γ is the dihedral angle (degree) formed with the four atom coordinates of the C_α and the pseudo-C_β for the respective i^th and j^th residues. (B) HBND component. Distance d (Å) is measured between pseudo-H atom of the i^th residue and pseudo-O atoms of the j^th residue. The η angle (degree) is formed with the pseudo-H-N vector of the i^th residue and the pseudo-H-pseudo-O vector. The θ angle (degree) is formed with the pseudo-O-C vector of the j^th residue and the pseudo-O-pseudo-H vector.