Contacts of the helix formed by residues 229 - 257 (chain B) in PDB entry 6B3I


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 SER 229 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    228B  THR*     1.3    78.2    +      -       -      +
    230B  GLY*     1.3    69.7    +      -       -      +
    232B  LEU*     3.7     9.7    +      -       -      +
    233B  GLN*     3.3    22.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 230 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    229B  SER*     1.3    75.4    +      -       -      +
    231B  ASP*     1.3    67.0    +      -       -      -
    233B  GLN*     3.3    12.0    +      -       -      +
    234B  LYS*     3.3    11.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 231 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    104B  THR      4.6     5.0    -      -       -      +
    105B  ASP*     5.1     2.6    -      -       -      +
    106B  GLU*     3.6    30.0    +      -       -      +
    110B  ILE*     3.4    17.3    -      -       +      +
    148B  LEU*     3.7    24.7    -      -       +      +
    230B  GLY*     1.3    70.6    -      -       -      -
    232B  LEU*     1.3    59.3    +      -       -      +
    234B  LYS*     3.2    17.8    +      -       -      +
    235B  ALA*     3.0    25.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 232 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    147B  ASN*     3.7    42.4    -      -       +      +
    148B  LEU*     4.2    13.6    -      -       +      +
    151B  ILE*     4.3     8.1    -      -       +      -
    190B  GLU*     3.8    27.1    -      -       +      +
    228B  THR*     4.5     7.9    -      -       +      -
    229B  SER      3.7     7.8    +      -       -      +
    230B  GLY      3.2     0.4    -      -       -      -
    231B  ASP*     1.3    78.8    -      -       -      +
    233B  GLN*     1.3    62.4    +      -       -      +
    235B  ALA*     3.2     2.2    +      -       +      +
    236B  TYR*     3.0    60.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 233 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    224B  ILE*     4.0     7.9    -      -       +      +
    225B  GLU*     3.5    25.7    +      -       -      +
    228B  THR*     2.7    48.3    +      -       -      +
    229B  SER*     3.3    18.3    +      -       -      +
    230B  GLY      3.3    10.6    +      -       -      +
    232B  LEU*     1.3    79.0    -      -       -      +
    234B  LYS*     1.3    58.9    +      -       -      +
    236B  TYR*     3.3     1.2    +      -       -      +
    237B  LEU*     2.9    54.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 234 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    105B  ASP*     4.8     4.6    +      -       -      -
    107B  SER*     3.8    28.9    -      -       -      +
    110B  ILE*     3.9    23.3    -      -       +      -
    230B  GLY      3.3     9.1    +      -       -      +
    231B  ASP*     3.2    20.8    +      -       -      +
    233B  GLN*     1.3    79.1    -      -       -      +
    235B  ALA*     1.3    53.8    +      -       -      +
    237B  LEU*     4.0     7.1    -      -       -      +
    238B  THR*     2.5    45.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 235 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    110B  ILE*     3.8    20.4    -      -       +      +
    114B  CYS*     4.0    10.5    -      -       -      -
    148B  LEU*     4.3    16.8    -      -       +      -
    151B  ILE*     4.7    12.8    -      -       +      -
    152B  LEU*     5.1     0.9    -      -       +      -
    231B  ASP      3.0    13.1    +      -       -      +
    232B  LEU*     3.6     8.1    -      -       -      +
    233B  GLN      3.2     0.2    -      -       -      -
    234B  LYS*     1.3    74.1    -      -       -      +
    236B  TYR*     1.3    64.4    +      -       +      +
    238B  THR*     3.2     2.3    +      -       -      -
    239B  LEU*     2.9    36.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 236 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    147B  ASN*     5.0     0.2    -      -       -      +
    151B  ILE*     4.4     9.9    -      -       +      -
    190B  GLU*     3.5    21.2    +      -       +      +
    193B  PHE*     3.6    31.6    -      +       +      -
    194B  ASN*     2.4    31.1    +      -       -      -
    197B  LEU*     3.7    18.7    -      -       +      +
    224B  ILE*     3.7    25.4    -      -       +      -
    228B  THR*     3.9    31.2    -      -       +      -
    232B  LEU*     3.0    42.8    +      -       +      +
    235B  ALA*     1.3    77.7    -      -       +      +
    237B  LEU*     1.3    58.9    +      -       -      +
    239B  LEU*     3.3     7.6    +      -       +      +
    240B  VAL*     3.0    33.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 237 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    221B  GLU*     4.0    34.3    -      -       +      +
    224B  ILE*     3.7    27.8    -      -       +      -
    225B  GLU*     4.2    15.0    -      -       +      +
    233B  GLN*     2.9    44.1    +      -       +      +
    234B  LYS*     4.0     6.3    -      -       -      +
    236B  TYR*     1.3    75.9    -      -       -      +
    238B  THR*     1.3    55.7    +      -       -      +
    240B  VAL*     3.3     3.1    +      -       -      +
    241B  ARG*     2.8    39.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with THR 238 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    110B  ILE*     3.7    16.5    -      -       +      +
    114B  CYS*     3.6    22.4    -      -       +      -
    115B  THR*     4.1    10.5    -      -       +      -
    234B  LYS*     2.5    30.3    +      -       -      +
    235B  ALA      3.6     4.5    -      -       -      -
    237B  LEU*     1.3    77.9    -      -       -      +
    239B  LEU*     1.3    55.5    +      -       -      +
    241B  ARG*     3.8     5.4    -      -       -      +
    242B  CYS*     2.8    33.1    +      -       -      +
    249B  TYR*     3.7    36.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 239 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114B  CYS*     3.7    38.8    -      -       +      +
    151B  ILE*     4.2    27.6    -      -       +      -
    155B  LEU*     4.1     8.1    -      -       +      -
    160B  ARG*     3.6    26.9    -      -       -      +
    197B  LEU*     3.9    33.9    -      -       +      +
    202B  TYR*     5.3     3.9    -      -       +      -
    205B  LEU*     5.0     2.8    -      -       +      +
    209B  PHE*     5.5     0.9    -      -       -      -
    235B  ALA      2.9    23.9    +      -       -      +
    236B  TYR*     3.7     7.9    -      -       +      +
    238B  THR*     1.3    76.1    -      -       -      +
    240B  VAL*     1.3    62.3    +      -       -      +
    242B  CYS*     3.9     1.2    -      -       -      +
    243B  ALA*     3.1    24.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 240 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    197B  LEU*     4.1    10.8    -      -       +      -
    209B  PHE*     3.9    26.6    -      -       +      -
    220B  ILE*     3.9    17.5    -      -       +      -
    221B  GLU*     3.8    25.1    -      -       +      -
    224B  ILE*     3.7    21.3    -      -       +      -
    236B  TYR      3.0    21.3    +      -       -      +
    237B  LEU*     3.7     5.8    -      -       -      +
    239B  LEU*     1.3    73.7    -      -       -      +
    241B  ARG*     1.3    66.9    +      -       -      +
    243B  ALA*     3.2     2.9    +      -       -      +
    244B  GLN*     3.0    36.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 241 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    221B  GLU*     3.9    22.2    -      -       +      +
    237B  LEU*     2.8    30.8    +      -       +      +
    238B  THR*     3.9     3.4    -      -       -      +
    240B  VAL*     1.3    72.3    -      -       +      +
    242B  CYS*     1.3    58.1    +      -       -      +
    244B  GLN*     4.1     6.0    -      -       -      +
    245B  ASP      2.8    37.9    +      -       -      +
    248B  ASP*     3.0    27.9    +      -       -      -
    249B  TYR*     3.6    43.3    -      -       +      +
    252B  GLU*     3.0    37.9    +      -       -      +
    290B  LYS*     4.9     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 242 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114B  CYS      3.6    22.4    -      -       -      +
    115B  THR*     3.7    16.8    -      -       +      -
    202B  TYR*     3.7    29.4    -      -       +      -
    238B  THR      2.8    18.2    +      -       -      +
    239B  LEU      3.9     3.6    -      -       -      +
    241B  ARG*     1.3    77.2    -      -       -      +
    243B  ALA*     1.3    61.1    +      -       -      +
    245B  ASP      4.0     0.2    +      -       -      -
    246B  CYS*     3.5    48.2    +      -       -      +
    249B  TYR*     4.9     2.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 243 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202B  TYR*     3.8    29.1    -      -       +      +
    205B  LEU*     3.9    21.8    -      -       +      -
    206B  ARG*     2.8    34.7    +      -       -      +
    209B  PHE*     4.1    11.4    -      -       +      -
    239B  LEU      3.1    17.9    +      -       -      +
    240B  VAL      3.2     3.8    +      -       -      +
    242B  CYS*     1.3    80.1    -      -       -      +
    244B  GLN*     1.3    58.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 244 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206B  ARG*     4.1    21.7    +      -       +      +
    209B  PHE*     3.5    42.7    -      -       +      +
    220B  ILE*     5.0     1.6    -      -       -      +
    221B  GLU*     3.7    24.8    +      -       -      +
    240B  VAL*     3.0    22.4    +      -       -      +
    241B  ARG*     4.1     5.4    -      -       -      +
    242B  CYS      4.4     0.2    -      -       -      -
    243B  ALA*     1.3    79.9    -      -       -      +
    245B  ASP*     1.3    65.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 245 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241B  ARG*     2.8    21.1    +      -       -      +
    243B  ALA      3.6     0.2    -      -       -      -
    244B  GLN*     1.3    79.1    -      -       +      +
    246B  CYS*     1.3    63.0    +      -       -      +
    247B  GLU*     3.4    14.6    +      -       -      +
    248B  ASP*     3.2    31.9    +      -       +      +
    249B  TYR*     3.3    16.5    +      -       -      +
    286B  LYS*     3.2    31.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 246 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    115B  THR*     4.2     6.7    -      -       -      -
    242B  CYS*     3.5    49.6    +      -       -      +
    245B  ASP*     1.3    71.3    +      -       -      +
    247B  GLU*     1.3    74.2    +      -       -      +
    249B  TYR*     3.3     5.3    +      -       -      +
    250B  PHE*     3.1    54.8    +      -       -      -
    275B  ARG*     4.0    10.8    -      -       -      +
    279B  ASP*     4.5     3.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 247 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    245B  ASP*     3.3     6.6    +      -       -      +
    246B  CYS*     1.3    86.7    +      -       -      +
    248B  ASP*     1.3    56.8    +      -       -      +
    250B  PHE*     3.4     1.7    +      -       -      +
    251B  ALA*     3.0    30.0    +      -       -      +
    279B  ASP*     3.7    28.9    -      -       -      +
    282B  GLY*     3.5    32.1    -      -       -      +
    283B  ILE*     3.6    12.9    -      -       -      +
    286B  LYS*     3.7    24.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 248 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241B  ARG*     3.0    33.1    +      -       -      -
    245B  ASP*     3.2    33.8    +      -       +      +
    247B  GLU*     1.3    77.2    -      -       -      +
    249B  TYR*     1.3    62.6    +      -       -      +
    251B  ALA*     3.5     3.3    +      -       -      +
    252B  GLU*     3.2    18.2    +      -       -      +
    286B  LYS*     4.1    15.0    -      -       +      +
    290B  LYS*     3.3    32.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 249 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    110B  ILE*     5.7     0.2    -      -       -      +
    111B  GLU*     3.8    16.6    -      -       +      +
    115B  THR*     3.7    24.5    -      -       +      -
    238B  THR*     3.7    31.0    +      -       +      +
    241B  ARG*     3.6    41.9    -      -       +      +
    242B  CYS      4.9     1.6    -      -       -      +
    245B  ASP      3.3     9.3    +      -       -      +
    246B  CYS*     3.3    11.6    +      -       -      +
    247B  GLU      3.2     0.4    -      -       -      -
    248B  ASP*     1.3    79.7    +      -       -      +
    250B  PHE*     1.3    85.3    +      +       -      +
    252B  GLU*     3.2     5.8    +      -       +      +
    253B  ARG*     3.0    64.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 250 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    111B  GLU*     4.3    15.9    -      -       +      -
    115B  THR*     3.6    27.1    -      -       +      -
    116B  ARG*     4.0     3.8    -      -       -      -
    246B  CYS*     3.1    39.7    +      -       -      +
    249B  TYR*     1.3    91.2    -      +       -      +
    251B  ALA*     1.3    60.8    +      -       -      +
    253B  ARG*     3.3     3.5    +      -       +      +
    254B  LEU*     2.8    34.5    +      -       -      +
    271B  ILE*     3.8    32.0    -      -       +      +
    274B  THR*     5.9     0.2    -      -       -      -
    275B  ARG*     3.3    45.8    -      -       +      -
    279B  ASP*     4.3     0.2    -      -       -      -
    283B  ILE*     3.6    28.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 251 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    247B  GLU      3.0    19.0    +      -       -      +
    248B  ASP*     3.7     6.7    -      -       -      +
    249B  TYR      3.3     0.2    -      -       -      -
    250B  PHE*     1.3    76.7    -      -       -      +
    252B  GLU*     1.3    57.7    +      -       -      +
    254B  LEU*     3.4     1.6    +      -       -      -
    255B  TYR*     3.0    24.3    +      -       -      +
    283B  ILE*     3.9    12.2    -      -       -      +
    286B  LYS      4.3     4.0    -      -       -      +
    287B  PHE*     3.4    50.5    -      -       +      +
    290B  LYS*     5.1     2.2    -      -       +      -
    291B  TYR*     4.3     4.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 252 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241B  ARG*     3.0    31.8    +      -       -      +
    248B  ASP      3.2     8.7    +      -       -      +
    249B  TYR*     3.2     9.6    +      -       +      +
    251B  ALA*     1.3    76.7    -      -       -      +
    253B  ARG*     1.3    60.4    +      -       +      +
    255B  TYR*     3.2     0.9    +      -       -      +
    256B  LYS*     2.9    63.3    +      -       +      +
    290B  LYS*     3.6    19.5    +      -       -      +
    291B  TYR*     3.3    20.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 253 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    107B  SER*     4.5    19.6    +      -       -      -
    108B  VAL*     5.7     0.2    -      -       -      +
    111B  GLU*     2.4    33.4    +      -       -      +
    249B  TYR*     3.0    56.9    +      -       +      +
    250B  PHE*     3.3     8.0    +      -       -      +
    252B  GLU*     1.3    76.8    -      -       +      +
    254B  LEU*     1.3    61.3    +      -       -      +
    256B  LYS*     4.1     9.3    -      -       -      +
    257B  SER*     3.2    26.4    +      -       -      +
    267B  THR*     3.8    18.4    +      -       -      +
    270B  ARG*     3.8     9.5    -      -       -      +
    271B  ILE*     3.8    15.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 254 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    250B  PHE      2.8    15.2    +      -       -      +
    251B  ALA*     3.6     5.6    -      -       -      +
    253B  ARG*     1.3    75.5    -      -       -      +
    255B  TYR*     1.3    62.9    +      -       -      +
    257B  SER*     2.8    18.8    +      -       -      +
    258B  MET*     3.7    15.7    -      -       -      +
    268B  LEU*     3.6    28.8    -      -       +      +
    271B  ILE*     3.7    36.6    -      -       +      -
    272B  ILE*     4.3    11.9    -      -       +      -
    280B  LEU*     5.5     1.8    -      -       +      -
    283B  ILE*     3.6    31.2    -      -       +      -
    287B  PHE*     4.3     1.8    -      -       +      -
    295B  LEU*     3.7    33.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 255 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    251B  ALA      3.0    11.3    +      -       -      +
    252B  GLU      3.6     1.1    -      -       -      +
    254B  LEU*     1.3    77.4    -      -       -      +
    256B  LYS*     1.3    73.2    +      -       +      +
    258B  MET*     3.0    15.1    +      -       -      +
    259B  LYS*     3.4    47.6    +      -       +      +
    287B  PHE*     3.7     8.0    -      +       +      -
    291B  TYR*     3.5    60.6    -      +       +      +
    293B  LYS*     4.2    13.1    +      -       -      -
    298B  MET*     3.6    39.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 256 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    252B  GLU*     2.9    53.8    +      -       +      +
    253B  ARG*     4.4    10.3    -      -       -      +
    255B  TYR*     1.3    83.1    -      -       +      +
    257B  SER*     1.3    59.3    +      -       -      +
    258B  MET      3.2     1.1    +      -       -      -
    259B  LYS*     4.0    11.6    +      -       +      +
    291B  TYR*     5.3     1.0    +      -       -      -
    401B  EDO      3.8    16.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 257 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    253B  ARG*     3.2    16.9    +      -       -      +
    254B  LEU*     2.8    23.9    +      -       -      -
    255B  TYR      3.2     0.2    -      -       -      -
    256B  LYS*     1.3    76.8    -      -       -      +
    258B  MET*     1.3    55.5    -      -       -      +
    263B  THR*     3.3     8.1    -      -       -      +
    264B  ASP*     3.0    45.0    +      -       -      +
    267B  THR*     4.1    17.2    -      -       -      +
    268B  LEU*     4.0    14.7    +      -       -      +
    401B  EDO      4.2     8.1    -      -       -      -
----------------------------------------------------------
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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