Contacts of the helix formed by residues 3909 - 3933 (chain B) in PDB entry 6X34


Residue contacts within the protein are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332). A short description of the analytical approach is given at the end of the page.
For CSU analysis of other PDB entry

Note:
Non-standard 3 letter residue codes indicate a heterogroup. To identify and analyse, use LPC software

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with ASN3909 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3898B  LEU      3.9     3.7    +      -       -      -
   3899B  ARG*     3.1    31.2    +      -       -      +
   3901B  GLN*     3.9     6.9    +      -       -      +
   3907B  THR*     5.1     5.4    -      -       -      -
   3908B  ILE*     1.3    82.7    -      -       -      +
   3910B  ILE*     1.3    58.7    +      -       -      +
   3911B  ILE*     2.9    22.3    -      -       -      +
   3912B  ILE*     2.9    56.2    +      -       +      +
   3913B  CYS*     4.0     2.3    +      -       -      -
   3974B  SER*     4.4    14.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE3910 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3824B  PHE*     5.5     8.5    -      -       +      -
   3827B  ILE*     3.9    31.0    -      -       +      -
   3828B  GLN*     6.1     0.7    -      -       +      -
   3831B  MET*     5.4     2.5    -      -       +      -
   3883B  LEU*     3.8    32.5    -      -       +      -
   3898B  LEU*     3.7    45.1    +      -       +      +
   3901B  GLN*     5.4     0.2    -      -       -      +
   3908B  ILE*     3.5    11.3    -      -       +      +
   3909B  ASN*     1.3    73.8    -      -       -      +
   3911B  ILE*     1.3    59.7    +      -       +      +
   3912B  ILE      3.2     0.2    -      -       -      -
   3913B  CYS*     3.2    19.9    -      -       -      -
   3914B  THR*     2.4    43.6    +      -       -      +
   3963B  TYR*     5.5     1.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE3911 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3898B  LEU*     4.4    15.0    -      -       +      +
   3899B  ARG*     4.7     7.6    -      -       +      -
   3909B  ASN*     2.9    14.6    +      -       -      +
   3910B  ILE*     1.3    89.0    -      -       +      +
   3912B  ILE*     1.3    63.1    +      -       +      +
   3914B  THR*     3.2     5.5    +      -       -      +
   3915B  VAL*     3.2    32.2    +      -       +      +
   3963B  TYR*     3.7    40.2    -      -       +      -
   3970B  GLY      6.1     0.2    -      -       -      +
   3971B  ASN*     4.5    19.5    -      -       -      +
   3974B  SER*     4.2    28.0    -      -       -      +
   3975B  LEU*     5.1     5.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE3912 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3908B  ILE      5.3     1.3    -      -       -      +
   3909B  ASN*     2.9    41.8    +      -       +      +
   3911B  ILE*     1.3    78.9    -      -       +      +
   3913B  CYS*     1.3    62.3    +      -       +      +
   3915B  VAL*     3.2    21.7    -      -       +      +
   3916B  ASP*     3.2    11.5    +      -       +      +
   3974B  SER*     5.8     2.9    -      -       -      +
   3978B  SER*     6.0     2.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with CYS3913 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3827B  ILE*     6.2     0.4    -      -       -      -
   3828B  GLN*     4.1    33.4    -      -       +      -
   3831B  MET*     3.6    25.0    -      -       +      +
   3832B  GLN*     5.4     9.4    +      -       -      +
   3908B  ILE      5.3     0.4    -      -       -      -
   3909B  ASN      4.3     2.0    -      -       -      -
   3910B  ILE*     3.2    38.8    -      -       -      -
   3912B  ILE*     1.3    78.1    -      -       +      +
   3914B  THR*     1.3    64.4    +      -       -      +
   3916B  ASP*     3.7    15.0    +      -       +      +
   3917B  TYR*     3.7     7.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR3914 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3831B  MET*     3.7    15.5    -      -       +      +
   3880B  PHE*     5.0     8.2    -      -       +      -
   3883B  LEU*     5.6     1.9    -      -       +      +
   3910B  ILE*     2.4    38.3    +      -       -      +
   3911B  ILE*     3.4    13.9    -      -       +      +
   3912B  ILE      3.2     0.6    -      -       -      -
   3913B  CYS*     1.3    76.3    -      -       -      +
   3915B  VAL*     1.3    65.0    +      -       +      +
   3917B  TYR*     3.3    13.7    +      -       -      +
   3918B  LEU*     3.3    16.6    -      -       +      +
   3956B  VAL*     5.6     0.9    -      -       +      -
   3959B  SER*     4.7    11.2    -      -       -      +
   3960B  LEU*     5.0    10.5    -      -       +      -
   3963B  TYR*     4.3    24.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL3915 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3911B  ILE*     3.3    19.7    -      -       +      +
   3912B  ILE*     3.2    19.1    -      -       +      +
   3914B  THR*     1.3    74.9    -      -       +      +
   3916B  ASP*     1.3    64.4    +      -       -      +
   3917B  TYR      3.2     0.7    +      -       -      -
   3918B  LEU*     3.5    13.2    +      -       +      +
   3919B  LEU*     3.4    17.5    +      -       -      +
   3960B  LEU*     3.7    27.8    -      -       +      -
   3975B  LEU*     5.2     3.6    -      -       +      -
   3978B  SER*     3.7    36.8    -      -       -      +
   3979B  ARG*     5.0     7.6    -      -       +      +
   3980B  LEU*     4.6    14.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP3916 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3832B  GLN*     5.7     6.7    -      -       -      +
   3912B  ILE*     3.2    18.5    +      -       +      +
   3913B  CYS*     3.8    12.6    -      -       -      +
   3914B  THR      3.2     0.8    -      -       -      -
   3915B  VAL*     1.3    76.4    -      -       -      +
   3917B  TYR*     1.3    62.7    +      -       -      +
   3919B  LEU*     3.5    14.0    +      -       +      +
   3920B  ARG*     3.4    27.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR3917 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3831B  MET*     4.3    10.5    -      -       +      +
   3834B  CYS*     3.7    25.6    -      -       +      +
   3835B  SER      5.8     0.5    +      -       -      -
   3836B  VAL*     4.4    16.4    -      -       +      +
   3870B  MET*     6.1     0.5    -      -       -      +
   3876B  THR*     3.9     6.1    -      -       -      +
   3880B  PHE*     3.6    38.6    -      +       +      -
   3913B  CYS      3.7     7.8    +      -       -      +
   3914B  THR      3.3    12.4    +      -       -      +
   3915B  VAL      3.2     0.6    -      -       -      -
   3916B  ASP*     1.3    76.8    -      -       -      +
   3918B  LEU*     1.3    55.4    +      -       -      +
   3920B  ARG*     3.1    24.7    +      -       -      +
   3921B  LEU*     2.6    69.0    +      -       +      +
   3952B  VAL*     3.5    23.7    -      -       +      +
   3956B  VAL*     4.3    14.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU3918 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3914B  THR*     3.3    20.9    -      -       +      +
   3915B  VAL*     3.6    16.4    -      -       +      +
   3916B  ASP      3.5     0.2    -      -       -      -
   3917B  TYR*     1.3    73.7    -      -       +      +
   3919B  LEU*     1.3    59.4    +      -       -      +
   3921B  LEU*     3.8    11.4    -      -       +      +
   3922B  GLN*     2.8    31.5    +      -       -      +
   3956B  VAL*     3.8    33.9    -      -       +      -
   3957B  PHE*     3.9    35.4    -      -       +      -
   3960B  LEU*     4.1    24.5    -      -       +      -
   3983B  ALA*     4.7    16.7    -      -       +      +
   3987B  PHE*     4.5     6.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU3919 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3915B  VAL      3.4    10.3    +      -       -      +
   3916B  ASP*     3.5    15.7    -      -       +      +
   3917B  TYR      3.2     0.6    -      -       -      -
   3918B  LEU*     1.3    79.9    -      -       -      +
   3920B  ARG*     1.3    60.0    +      -       +      +
   3922B  GLN*     4.0     5.0    -      -       +      +
   3923B  GLU*     3.3    25.9    +      -       -      +
   3979B  ARG*     4.0    34.8    -      -       +      +
   3982B  ASP*     5.2     9.2    -      -       +      +
   3983B  ALA*     5.2     7.8    -      -       +      +
    158H  SER*     6.2     0.2    -      -       -      +
    160H  GLY      5.2    12.5    -      -       -      +
    161H  GLU*     5.6     9.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG3920 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3831B  MET      3.3    25.1    +      -       -      -
   3832B  GLN*     3.9    32.5    +      -       -      +
   3834B  CYS      4.6     5.3    +      -       -      -
   3836B  VAL*     3.8    28.9    -      -       +      +
   3916B  ASP*     3.4    13.2    +      -       -      +
   3917B  TYR*     3.1    24.8    +      -       -      +
   3919B  LEU*     1.3    77.3    -      -       +      +
   3921B  LEU*     1.3    64.6    +      -       -      +
   3922B  GLN      3.3     0.2    -      -       -      -
   3923B  GLU*     3.2    10.5    +      -       -      +
   3924B  SER*     3.1    21.1    +      -       -      -
    158H  SER*     5.6     9.0    -      -       -      +
    159H  GLU      5.7     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU3921 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3836B  VAL*     4.9     9.6    -      -       +      +
   3837B  LEU*     5.7     1.6    -      -       +      +
   3917B  TYR*     2.6    57.7    +      -       +      +
   3918B  LEU*     3.4    10.3    +      -       +      -
   3920B  ARG*     1.3    71.3    -      -       -      +
   3922B  GLN*     1.3    64.5    +      -       -      +
   3924B  SER*     3.1    10.6    +      -       -      +
   3925B  ILE*     3.1    47.8    +      -       +      +
   3949B  ALA*     5.4     8.5    -      -       +      +
   3952B  VAL*     4.9     3.4    -      -       +      +
   3953B  ALA*     4.1    31.4    -      -       +      +
   3956B  VAL*     4.3     8.1    -      -       +      -
   3957B  PHE*     6.3     0.2    -      -       +      -
   3987B  PHE*     5.1     5.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN3922 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3918B  LEU      2.8    22.1    +      -       -      +
   3919B  LEU*     4.0     7.4    -      -       +      +
   3920B  ARG      3.3     0.2    -      -       -      -
   3921B  LEU*     1.3    73.6    -      -       -      +
   3923B  GLU*     1.3    53.2    +      -       +      +
   3925B  ILE*     4.3     0.7    -      -       -      +
   3926B  SER*     2.6    37.1    +      -       -      -
   3983B  ALA*     5.1    10.3    -      -       +      +
   3986B  GLY*     5.8     3.6    -      -       -      -
   3987B  PHE*     3.6    33.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU3923 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3919B  LEU*     3.3    18.1    +      -       -      +
   3920B  ARG*     3.2    11.6    +      -       -      +
   3921B  LEU      3.2     0.6    -      -       -      -
   3922B  GLN*     1.3    80.0    -      -       -      +
   3924B  SER*     1.3    61.6    +      -       -      +
   3926B  SER*     3.0    22.0    +      -       -      -
   3927B  ASP*     3.2    28.1    -      -       -      +
    159H  GLU      4.7     5.6    -      -       -      +
    160H  GLY*     3.4    37.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER3924 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3836B  VAL*     3.8    16.2    -      -       -      -
   3837B  LEU*     3.3    53.5    -      -       -      +
   3920B  ARG      3.1     9.6    +      -       -      -
   3921B  LEU*     3.1    13.9    +      -       -      -
   3923B  GLU*     1.3    76.6    -      -       -      +
   3925B  ILE*     1.3    64.7    +      -       -      +
   3927B  ASP*     3.9     4.7    +      -       -      +
   3928B  PHE*     3.8    13.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE3925 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3837B  LEU*     5.5     2.2    -      -       +      -
   3921B  LEU*     3.1    38.8    +      -       +      +
   3922B  GLN*     4.4     2.7    -      -       -      +
   3924B  SER*     1.3    75.1    -      -       -      +
   3926B  SER*     1.3    64.7    +      -       -      +
   3928B  PHE*     3.3     8.8    +      -       +      +
   3929B  TYR*     3.3    17.5    +      -       -      +
   3946B  PHE*     3.7    33.2    -      -       +      -
   3949B  ALA*     5.1    13.7    -      -       +      +
   3950B  MET*     6.3     0.2    -      -       -      -
   3953B  ALA*     4.4    18.2    -      -       +      -
   3987B  PHE*     4.3    18.2    -      -       +      -
   3990B  VAL*     5.5    10.7    -      -       +      +
   3991B  PHE*     5.5     6.7    -      -       +      -
   3994B  MET*     5.3     4.6    -      -       +      +
   4014B  LEU*     5.7     3.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER3926 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3922B  GLN      2.6    25.4    +      -       -      -
   3923B  GLU*     3.0    25.1    +      -       -      -
   3925B  ILE*     1.3    73.4    -      -       -      +
   3927B  ASP*     1.3    61.1    +      -       -      +
   3929B  TYR*     2.8    23.1    +      -       -      +
   3930B  TRP*     3.1    42.2    +      -       -      -
   3990B  VAL*     4.5    14.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP3927 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3837B  LEU      6.1     0.4    -      -       -      +
   3839B  LEU*     4.7    22.6    -      -       +      +
   3923B  GLU*     3.2    21.9    +      -       -      +
   3924B  SER*     4.3     5.4    -      -       -      +
   3925B  ILE      3.4     0.6    -      -       -      -
   3926B  SER*     1.3    79.1    +      -       -      +
   3928B  PHE*     1.3    59.1    +      -       -      +
   3929B  TYR      3.5     0.2    +      -       -      -
   3930B  TRP*     4.0     9.1    +      -       -      +
   3931B  TYR*     3.5    22.3    +      -       -      +
     76H  ARG*     5.3     6.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE3928 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3837B  LEU*     5.8     5.2    -      -       +      -
   3839B  LEU*     6.0     1.6    -      -       -      -
   3842B  PHE*     4.7    17.9    -      +       -      -
   3924B  SER      3.8    10.6    +      -       -      +
   3925B  ILE*     3.3    12.7    +      -       -      +
   3926B  SER      3.1     0.8    -      -       -      -
   3927B  ASP*     1.3    77.0    -      -       -      +
   3929B  TYR*     1.3    64.0    +      -       -      +
   3931B  TYR*     3.9     8.4    +      +       +      +
   3932B  TYR*     3.8    48.7    +      +       +      +
   3938B  ILE*     5.6     4.0    -      -       +      -
   3942B  GLY*     3.5    30.7    -      -       -      -
   3945B  ASN*     5.8     2.7    -      -       +      -
   3946B  PHE*     3.9    35.4    -      +       +      -
   3994B  MET*     5.6     5.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR3929 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3925B  ILE      3.3    10.4    +      -       -      +
   3926B  SER*     2.8    15.9    +      -       -      +
   3928B  PHE*     1.3    76.7    -      -       -      +
   3930B  TRP*     1.3    60.4    +      -       +      +
   3931B  TYR      3.1     1.6    -      -       -      -
   3932B  TYR*     3.2     5.6    +      -       -      +
   3933B  SER*     2.4    36.3    +      -       -      +
   3990B  VAL*     4.5    20.6    -      -       +      +
   3994B  MET*     5.4    12.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP3930 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3926B  SER*     3.1    52.9    +      -       -      +
   3927B  ASP*     4.5     7.4    -      -       -      +
   3929B  TYR*     1.3    81.3    -      -       +      +
   3931B  TYR*     1.3    61.8    +      -       -      +
   3932B  TYR      3.3     0.2    -      -       -      -
   3933B  SER*     3.2    24.0    +      -       -      -
   3934B  GLY      4.6     2.8    +      -       -      -
   3989B  HIS*     4.1    30.9    +      +       -      -
   3990B  VAL*     4.5     9.6    -      -       +      -
   3993B  HIS*     5.7     6.5    +      -       -      -
     74H  SER*     5.2    13.7    -      -       -      -
     76H  ARG*     4.0    24.5    -      -       +      +
     77H  ALA*     3.5    35.0    -      -       +      +
     80H  GLU*     4.9    13.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR3931 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3839B  LEU*     5.4    16.4    -      -       +      -
   3842B  PHE*     5.1    13.9    -      +       -      -
   3843B  GLU*     5.1    12.3    -      -       +      +
   3927B  ASP      3.5    18.6    +      -       -      +
   3928B  PHE*     4.1     9.9    -      +       -      +
   3929B  TYR      3.1     1.2    -      -       -      -
   3930B  TRP*     1.3    80.4    -      -       -      +
   3932B  TYR*     1.3    95.5    +      +       -      +
   3933B  SER      3.6     0.4    +      -       -      -
   3934B  GLY      4.9     2.1    +      -       -      -
   3935B  LYS*     5.1     2.8    +      -       -      +
     76H  ARG*     5.4     1.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR3932 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3842B  PHE*     3.7    19.8    -      +       -      -
   3846B  ASN*     4.8     2.6    +      -       -      -
   3928B  PHE*     3.8    48.4    +      +       +      +
   3929B  TYR*     3.2     5.7    +      -       -      +
   3931B  TYR*     1.3   108.6    -      +       -      +
   3933B  SER*     1.3    59.4    +      -       -      +
   3934B  GLY      3.4     2.2    -      -       -      +
   3935B  LYS*     2.9    37.0    -      -       +      +
   3937B  VAL      5.0     2.9    -      -       -      -
   3938B  ILE*     3.9    27.0    -      -       +      +
   3939B  GLU*     3.6    33.4    -      -       +      +
   3942B  GLY*     4.6     6.1    -      -       -      -
   3997B  LYS*     3.4    10.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with SER3933 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   3929B  TYR*     2.4    32.8    +      -       -      +
   3930B  TRP*     3.2    20.1    -      -       -      -
   3931B  TYR      3.6     1.2    -      -       -      -
   3932B  TYR*     1.3    76.7    -      -       -      +
   3934B  GLY*     1.3    65.7    +      -       -      +
   3993B  HIS*     6.0     2.5    -      -       -      +
   3997B  LYS*     3.8    25.3    +      -       -      +
----------------------------------------------------------
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A short description of the analytical approach
The contact analysis used in this page is based upon the approach developed in: Sobolev V., Wade R.C., Vriend G. and Edelman M. PROTEINS (1996) 25, 120-129. Contact legitimacy depends on the hydrophobic-hydrophilic properties of the contacting atoms. In order to define it, for each inter-atomic contact, eight atom classes have been introduced:


   I  Hydrophilic      - N and O that can donate and accept hydrogen bonds
                         (e.g., oxygen of hydroxyl group of Ser. or Thr)
  II  Acceptor         - N or O that can only accept a hydrogen bond
 III  Donor            - N that can only donate a hydrogen bond
  IV  Hydrophobic      - Cl, Br, I and all C atoms that are not in
                         aromatic rings and do not have a covalent bond to
                         a N or O atom
   V  Aromatic         - C in aromatic rings irrespective of any other 
                         bonds formed by the atom
  VI  Neutral          - C atoms that have a covalent bond to at least one
                         atom of class I or two or more atoms from class II
                         or III; atoms; S, F, P, and metal atoms in all cases
 VII  Neutral-donor    - C atoms that have a covalent bond with only one
                         atom of class III
VIII  Neutral-acceptor - C atoms that have a covalent bond with only 
                         one atom of class II
For each pair of contacts the state of legitimacy is shown below:

Legend:
+, legitimate
-, illegitimate
------------------------------------------------------------
  Atomic class           I  II  III   IV   V   VI  VII  VIII
------------------------------------------------------------
   I  (Hydrophilic)      +   +    +    -   +   +    +    +
  II  (Acceptor)         +   -    +    -   +   +    +    -
 III  (Donor)            +   +    -    -   +   +    -    +
  IV  (Hydrophobic)      -   -    -    +   +   +    +    +
   V  (Aromatic)         +   +    +    +   +   +    +    +
  VI  (Neutral)          +   +    +    +   +   +    +    +
 VII  (Neutral-donor)    +   +    -    +   +   +    -    +
VIII  (Neutral-acceptor) +   -    +    +   +   +    +    -
------------------------------------------------------------
Warning!
Atom classes for heterogroups are automatically assigned based on the atomic coordinates. However, in three cases (see below) the automatic assignment is currently ambiguous. In these cases, the user is advised to manually analyse the full list of contacts using LPC software.
1. Carbon atoms belonging to a 4-, 5- or 6-member ring are 
   considered "aromatic" (Class V) if the ring is approximately
   planar, and "hydrophobic" (Class IV) or "neutral" (Classes
   VI, VII, VIII) if the ring is non-planar.
2. The oxygen atom of a carbonyl or hydroxy group is considered
   "hydroxy" (Class I) if the CO bond is longer than 1.29 Å, and
   "carbonyl" (Class II) if shorter.
3. All nitrogen atoms are considered "hydrophilic" (Class I).

Please E-mail any questions and/or suggestions concerning this page to Vladimir.Sobolev@weizmann.ac.il