Dihydrodipicolinate Reductase

(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
 HIS-231   ASP-232  4.8 16.3 -179.6 64.3 84.9 104.3 -49.6
 ASP-232   SER-233  6.1 15.0 -163.2 49.8 95.1 88.0 -66.3
 SER-233   TYR-234  6.0 11.5 -165.2 35.3 97.8 146.9 138.4

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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