Ribonuclease, Seminal

(All numbering and residues are taken from first PDB file)

Bending Residue Dihedral Analysis

Residue
i
Residue
i+1
Distance of hinge axis to residue i in conformer 1
(A)
Distance of hinge axis to residue i in conformer 2
(A)
Change in psi (i)
(deg)
Change in phi (i+1)
(deg)
Angle of psi(i) axis to hinge axis conformer 1
(deg)
Angle of psi(i) axis to hinge axis conformer 2
(deg)
Percentage Progress
 SER-22   SER-23  7.0 6.9 -96.7 -9.9 24.8 25.9 222.3
 SER-23   ASN-24  6.5 6.2 13.0 0.5 90.9 84.8 -0.1
 ASN-24   TYR-25  4.2 4.2 -14.1 2.6 116.1 110.6 -11.4

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Graph shows rotational transition at bending residues and can be used to identify hinge bending residues.
Probably only informative for interdomain rotations greater than 20 degrees