Small Nuclear Ribonucleoprotein Homolog

(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-73   ASP-74  13.6 13.8 3.3 -8.7 70.6 66.5 -1.9
 ASP-74   SER-75  10.0 10.3 3.2 62.4 64.2 66.8 16.4
 SER-75   THR-76  7.1 7.3 8.7 -5.7 87.5 133.2 -3.7
 THR-76   GLU-77  3.5 4.5 -18.3 4.3 147.5 116.2 -3.7
 GLU-77   ARG-78  2.7 2.0 -7.7 22.0 138.0 109.6 4.7
 ARG-78   ARG-79  2.9 1.9 47.0 44.7 49.9 10.9 53.7
 ARG-79   ILE-80  4.5 2.7 19.9 9.5 28.4 84.0 10.3
 ILE-80   ASP-81  4.8 4.2 31.1 33.4 71.4 81.1 21.9
 ARG-83   GLU-84  12.3 12.4 1.3 -5.0 99.2 95.5 0.4

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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