Calpain 9

(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
 GLY-202   VAL-203  4.4 4.8 -6.7 -16.7 81.4 77.7 14.7
 VAL-203   ALA-204  2.5 3.4 -4.0 15.4 100.3 112.3 14.2
 ALA-204   GLU-205  2.2 2.6 8.2 25.8 50.5 45.9 45.2
 GLU-205   THR-206  4.9 4.9 0.0 -6.3 65.0 66.4 3.2

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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