Outer Surface Protein A

(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
 THR-108   LEU-109  16.8 15.8 1.3 1.5 108.6 109.5 -14.1
 LEU-109   VAL-110  13.1 12.4 10.9 -8.9 54.4 62.4 59.8
 VAL-110   SER-111  12.5 12.4 5.9 -9.1 92.1 98.7 39.6
 SER-111   LYS-112  9.2 9.2 5.4 -9.0 137.0 132.0 24.6
 LYS-112   LYS-113  6.3 6.3 1.8 -6.8 95.8 99.9 -0.6
 LYS-113   VAL-114  4.0 3.9 -4.3 -1.0 44.0 47.6 33.6
 VAL-114   THR-115  0.7 0.7 1.9 -5.4 104.8 105.3 25.0
 THR-115   SER-116  2.5 2.4 -7.3 13.2 49.4 47.6 -27.5
 SER-116   LYS-117  5.0 4.8 6.1 10.3 126.9 134.3 -78.0
 LYS-117   ASP-118  6.9 6.6 -22.1 3.2 107.3 108.4 18.6
 ASP-118   LYS-119  10.2 9.8 17.0 -12.5 51.8 53.0 96.8
 LYS-119   SER-120  9.0 8.7 3.5 12.3 14.2 12.0 92.9
 SER-120   SER-121  8.0 7.7 -24.8 15.9 94.1 97.9 -134.9

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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