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 5.9 111.8 -3.7 37.9 21.9 223.9
 SER-23   ASN-24  5.6 5.4 0.1 -6.9 102.3 92.2 28.8
 ASN-24   TYR-25  3.5 3.4 15.6 -6.9 103.4 112.7 -1.5

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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