Potassium Channel
(All numbering and residues are taken from first PDB file)
Bending Residue Dihedral Analysis
Residue
iResidue
i+1Distance of hinge axis to residue i in
(A) Distance of hinge axis to residue i in
(A) Change in
(deg) Change in
(deg) Angle of psi(i) axis to hinge axis
(deg) Angle of psi(i) axis to hinge axis
(deg) Percentage Progress
SER-135
LYS-136
17.5
19.5
23.8
-72.8
25.2
61.1
-108.7
LYS-136
PHE-137
19.5
16.6
57.2
-26.9
53.7
115.1
-5.1
PHE-137
LEU-138
16.6
16.8
-6.0
5.9
108.0
41.2
7.3
LEU-138
SER-139
14.3
15.2
-20.8
10.1
139.7
109.0
-22.5
SER-139
ALA-140
16.7
12.3
-41.1
13.9
151.5
91.7
-28.6
ALA-140
ILE-141
14.7
12.5
-90.1
-58.9
105.5
26.4
211.3
ILE-141
ALA-142
13.1
12.8
144.4
-154.1
66.8
111.8
-35.1
ALA-142
ASP-143
9.9
9.8
-57.5
110.6
49.3
118.9
-34.1
ASP-143
ALA-144
8.0
7.6
-125.0
18.5
25.8
75.0
179.0
ALA-144
ALA-145
9.4
9.4
-168.4
-128.1
44.4
24.9
-99.5
ALA-145
ASP-146
7.4
8.3
-55.5
38.1
107.1
94.8
1.1
ASP-146
LYS-147
4.5
4.8
25.8
12.5
88.8
63.5
18.5
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