Heme-Based Methyl-Accepting Chemotaxis Protein

(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-8   TRP-9  8.2 8.2 1.3 -1.1 83.2 86.2 22.1
 TRP-9   ILE-10  6.5 6.7 -3.9 0.7 43.0 40.1 18.0
 ILE-10   LYS-11  8.8 8.9 2.0 1.7 145.1 143.1 -8.2
 LYS-11   THR-12  6.8 6.9 -4.5 0.3 96.8 94.3 1.6

Downloading Image

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


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-71   ARG-72  1.4 1.4 -2.0 3.1 124.6 126.1 -5.9
 ARG-72   GLN-73  4.5 4.4 -11.0 16.6 151.5 146.7 34.9
 GLN-73   ASN-74  2.7 2.6 -9.9 8.2 87.8 84.4 24.7

Downloading Image

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