Calmodulin

(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
 ILE-100   SER-101  6.9 7.8 -48.0 2.6 119.7 100.3 -7.4
 SER-101   ALA-102  7.6 8.2 51.0 -8.0 34.5 15.4 29.8
 ALA-102   ALA-103  10.3 9.1 -6.1 -1.2 148.0 101.7 -5.4
 ALA-103   GLU-104  9.3 7.0 23.9 -19.1 74.2 83.3 2.1
 GLU-104   LEU-105  5.4 3.7 -4.6 -4.6 112.8 153.8 -4.1
 LEU-105   ARG-106  6.9 5.1 11.2 -5.3 16.2 44.1 5.4
 ARG-106   HIS-107  8.5 5.1 15.0 -12.2 53.1 85.1 2.3
 HIS-107   VAL-108  5.8 2.8 -18.7 21.0 103.3 114.0 0.7
 VAL-108   MET-109  3.7 0.9 3.3 14.9 56.5 12.0 12.4
 MET-109   THR-110  7.1 1.9 3.9 25.0 22.1 57.1 15.7
 THR-110   ASN-111  7.7 2.5 5.5 10.3 55.1 82.3 4.2
 ASN-111   LEU-112  4.8 3.4 53.8 -34.1 78.8 46.5 8.5
 LEU-112   GLY-113  1.8 3.0 30.0 157.6 68.7 22.0 -117.2
 GLY-113   GLU-114  5.4 1.7 46.9 -42.4 9.3 75.7 5.1
 GLU-114   LYS-115  5.2 2.3 154.0 -23.5 59.9 127.2 45.6
 LYS-115   LEU-116  2.0 5.5 113.3 20.2 87.5 87.6 90.5
 LEU-116   THR-117  5.3 7.9 16.9 7.1 81.1 121.1 -0.8
 THR-117   ASP-118  8.8 11.3 17.0 -8.7 131.2 145.4 -3.6
 ASP-118   GLU-119  11.8 12.5 -31.2 48.7 100.7 103.1 5.2

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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