Nitrite 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-111   THR-112  7.8 8.2 -6.5 -10.6 50.9 35.3 18.2
 THR-112   PRO-113  5.5 7.1 -1.5 2.9 27.6 51.0 -3.4
 PRO-113   PRO-114  4.8 5.4 -5.7 5.5 83.7 92.1 13.1
 PRO-114   GLN-115  1.8 1.5 -31.9 -17.7 46.2 27.7 70.6
 GLN-115   PRO-116  2.1 2.4 91.0 -74.3 153.4 115.2 -11.2
 PRO-116   PRO-117  2.5 2.8 62.6 -32.9 105.3 100.2 11.3
 PRO-117   GLU-118  6.3 6.4 8.0 9.6 142.2 147.8 -24.9

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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