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Figure 1 | BMC Structural Biology

Figure 1

From: A knowledge-based structure-discriminating function that requires only main-chain atom coordinates

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 ith residue and the C α -C α vector. The β angle (degree) is formed similarly for jth 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 ith and jth residues. (B) HBND component. Distance d (Å) is measured between pseudo-H atom of the ith residue and pseudo-O atoms of the jth residue. The η angle (degree) is formed with the pseudo-H-N vector of the ith residue and the pseudo-H-pseudo-O vector. The θ angle (degree) is formed with the pseudo-O-C vector of the jth residue and the pseudo-O-pseudo-H vector.

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