Intron 3 (I-Ppo) Encoded Endonuclease

(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  LEU-31   GLY-32  4.2 4.5 -2.9 -4.9 76.7 76.2 22.6  GLY-32   GLY-33  6.7 6.9 -0.2 12.5 127.2 124.9 120.8  GLY-33   GLY-34  9.9 10.1 -17.5 7.3 153.7 159.1 -138.1  GLY-34   LEU-35  7.9 8.0 4.5 -7.5 85.2 82.6 15.3 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  LEU-84   GLU-85  13.2 13.1 -9.6 4.9 83.0 78.4 24.7  GLU-85   PRO-86  9.4 9.3 -3.4 -3.8 55.2 56.4 31.8  PRO-86   ASP-87  6.5 7.0 0.0 12.4 124.0 128.8 126.5  ASP-87   ASN-88  7.2 8.0 -3.3 -19.7 89.8 89.6 -43.6  ASN-88   ILE-89  4.8 5.5 -17.5 44.0 87.5 63.9 -50.6  ILE-89   ASN-90  2.1 2.4 -37.9 14.6 86.6 61.5 120.5  ASN-90   GLY-91  5.0 4.4 0.1 27.0 101.7 77.0 8.5  GLY-91   LYS-92  6.6 7.5 -39.0 48.6 140.0 170.2 116.8  LYS-92   THR-93  7.2 7.1 -32.7 5.7 101.5 112.2 -91.3  THR-93   CYS-94  8.0 8.2 -5.3 -6.3 146.5 142.8 -100.1  CYS-94   THR-95  6.3 6.3 1.9 1.7 50.0 46.8 18.8  THR-95   ALA-96  8.1 8.0 -4.6 -1.0 138.1 133.3 -55.2  ALA-96   SER-97  8.5 8.6 -7.8 11.5 141.1 143.3 30.9 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  LEU-111   CYS-112  7.7 7.8 0.7 -1.2 135.3 135.2 -53.4  CYS-112   TRP-113  5.4 5.6 -5.6 10.0 45.7 44.5 3.9  TRP-113   GLU-114  5.1 5.2 1.3 -1.7 111.7 107.2 35.4 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