Contacts of the helix formed by residues 77 - 105 (chain K) in PDB entry 3A68


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 LEU 77 (chain K).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    190D  ARG*     3.7    53.2    -      -       -      +
     70K  PHE*     3.5    34.0    +      -       +      +
     75K  VAL*     3.3     1.5    -      -       +      +
     76K  ALA*     1.3    80.2    -      -       -      +
     78K  ARG*     1.3    59.4    +      -       -      +
     79K  GLY      3.2     2.9    -      -       -      -
     80K  LEU*     3.3     5.0    +      -       +      +
     81K  ALA*     3.0    27.5    +      -       -      +
    128K  ASP*     3.8    14.8    -      -       -      +
    129K  ALA*     4.0    15.3    -      -       +      -
    197K  VAL*     4.2     6.3    -      -       +      -
    198K  TRP*     4.5     7.0    -      -       +      -
    201K  ASP*     3.4    30.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 78 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    183D  GLU*     4.6    23.6    -      -       -      +
    184D  TYR*     6.1     0.4    -      -       -      -
    187D  GLN*     3.1    34.7    +      -       -      +
    203D  MET*     3.7    16.8    -      -       -      +
    207D  GLU*     3.4    21.7    +      -       -      +
     70K  PHE      5.2     0.4    -      -       -      -
     76K  ALA*     3.6     8.3    +      -       -      -
     77K  LEU*     1.3    69.7    -      -       -      +
     79K  GLY*     1.3    59.9    +      -       -      +
     81K  ALA*     3.7     6.9    -      -       -      +
     82K  LYS*     3.0    29.3    +      -       -      +
    201K  ASP*     3.1     5.0    +      -       -      +
    202K  GLN*     3.0    27.9    +      -       -      +
    205K  LEU*     3.7    31.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLY 79 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     78K  ARG*     1.3    75.9    -      -       -      +
     80K  LEU*     1.3    59.1    +      -       -      +
     82K  LYS*     3.4     3.2    +      -       -      +
     83K  PHE*     3.0    28.1    +      -       -      +
    201K  ASP*     2.8    30.7    +      -       -      -
    204K  LEU*     3.7    11.9    -      -       -      +
    205K  LEU*     3.7    20.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 80 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     70K  PHE*     3.6    36.6    -      -       +      -
     77K  LEU*     3.3     7.6    +      -       +      +
     79K  GLY*     1.3    70.5    -      -       -      +
     81K  ALA*     1.3    66.7    +      -       -      +
     83K  PHE*     3.2     2.6    +      -       -      +
     84K  PHE*     2.9    48.9    +      -       +      -
    129K  ALA*     3.7    33.4    -      -       +      +
    132K  ALA*     4.7     0.2    -      -       +      -
    133K  MET*     4.3    10.5    -      -       +      -
    188K  LEU*     5.5     0.2    -      -       +      -
    200K  PHE*     4.2    18.8    -      -       +      -
    201K  ASP*     2.7    30.6    +      -       +      +
    204K  LEU*     3.8    19.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 81 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67K  PHE*     3.3    29.7    -      -       +      +
     70K  PHE*     3.9    27.5    -      -       -      +
     71K  ASP*     3.9    11.0    -      -       +      +
     77K  LEU      3.0    17.2    +      -       -      +
     78K  ARG*     3.7     9.2    -      -       -      +
     79K  GLY      3.3     0.2    -      -       -      -
     80K  LEU*     1.3    77.7    -      -       -      +
     82K  LYS*     1.3    55.8    +      -       -      +
     84K  PHE*     3.9     0.7    -      -       -      -
     85K  LYS*     2.9    24.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 82 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67K  PHE*     5.8     0.2    -      -       -      -
     78K  ARG      3.0    18.6    +      -       -      +
     79K  GLY*     3.7     4.7    -      -       -      +
     81K  ALA*     1.3    75.6    -      -       -      +
     83K  PHE*     1.3    59.0    +      -       -      +
     85K  LYS*     3.3     8.5    +      -       +      +
     86K  GLU*     2.9    62.4    +      -       +      +
    204K  LEU      5.2     3.1    +      -       -      +
    205K  LEU*     3.4    38.4    +      -       +      +
    206K  HIS*     5.5     0.2    -      -       -      +
    207K  GLU      5.2     6.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 83 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63K  TYR*     5.2     1.8    -      +       -      -
     79K  GLY      3.0    17.2    +      -       -      +
     80K  LEU      3.2     3.6    +      -       -      +
     82K  LYS*     1.3    78.8    -      -       -      +
     84K  PHE*     1.3    82.1    +      +       -      +
     86K  GLU*     3.4     9.5    +      -       +      +
     87K  SER*     2.8    49.9    +      -       -      -
    133K  MET*     3.7    28.9    -      -       +      -
    136K  ALA*     5.1     0.9    -      -       +      -
    180K  ARG*     3.6    41.3    -      -       -      -
    181K  ILE*     4.1    22.4    -      -       +      -
    184K  TYR*     3.9    16.8    -      +       -      -
    204K  LEU*     3.9    16.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 84 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63K  TYR*     3.6    39.2    -      +       -      +
     66K  MET*     3.4    36.3    -      -       +      -
     67K  PHE*     3.7     9.6    -      -       -      +
     70K  PHE*     3.9    28.9    -      +       -      -
     80K  LEU*     2.9    38.7    +      -       +      +
     83K  PHE*     1.3    96.0    -      +       -      +
     85K  LYS*     1.3    60.9    +      -       -      +
     87K  SER*     3.6     3.5    -      -       -      -
     88K  SER*     2.9    28.9    +      -       -      -
    132K  ALA*     4.1    10.8    -      -       +      -
    133K  MET*     4.2    15.5    -      -       +      -
    136K  ALA*     4.0    13.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 85 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64K  HIS*     5.0     1.6    -      -       -      +
     67K  PHE*     3.7    34.1    -      -       +      +
     81K  ALA      2.9    17.9    +      -       -      +
     82K  LYS*     3.6     8.5    -      -       +      +
     84K  PHE*     1.3    78.0    -      -       -      +
     86K  GLU*     1.3    64.5    +      -       +      +
     88K  SER*     3.3     7.5    +      -       -      -
     89K  GLU*     3.2    22.0    +      -       -      +
     92W  ARG*     4.6     1.9    +      -       -      -
     96W  GLU*     3.2    33.7    +      -       -      +
    100W  GLU*     2.6    30.5    +      -       -      -
    234W   CA      4.6     2.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 86 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     82K  LYS*     2.9    53.2    +      -       +      +
     83K  PHE*     3.9     9.3    -      -       +      +
     85K  LYS*     1.3    79.1    -      -       +      +
     87K  SER*     1.3    57.7    +      -       -      +
     89K  GLU*     3.3    11.1    +      -       -      +
     90K  GLU*     3.0    42.3    +      -       +      +
    180K  ARG*     5.1     8.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 87 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63K  TYR*     3.8    30.4    -      -       -      -
     83K  PHE*     2.8    48.1    +      -       -      -
     84K  PHE*     3.6     5.6    -      -       -      -
     85K  LYS      3.3     0.4    -      -       -      -
     86K  GLU*     1.3    75.2    -      -       -      +
     88K  SER*     1.3    64.5    +      -       -      +
     90K  GLU*     3.3    13.0    +      -       -      +
     91K  GLU*     2.9    29.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 88 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60K  SER*     2.8    47.7    +      -       -      +
     63K  TYR*     3.7     7.7    -      -       -      +
     64K  HIS*     3.5    23.1    +      -       -      -
     84K  PHE      2.9    16.3    +      -       -      -
     85K  LYS      3.6     5.2    -      -       -      -
     86K  GLU      3.3     0.2    -      -       -      -
     87K  SER*     1.3    76.5    -      -       -      +
     89K  GLU*     1.3    62.4    +      -       -      +
     91K  GLU      3.4     0.2    +      -       -      -
     92K  ARG*     3.1    10.9    +      -       -      +
     57W  TYR*     4.6     0.2    +      -       -      -
     92W  ARG*     2.8    24.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 89 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     85K  LYS*     3.2    12.5    +      -       -      +
     86K  GLU*     3.6    13.2    -      -       -      +
     87K  SER      3.2     0.2    -      -       -      -
     88K  SER*     1.3    80.8    +      -       -      +
     90K  GLU*     1.3    62.7    +      -       +      +
     92K  ARG*     3.3     7.0    +      -       +      +
     93K  GLU*     3.1    36.2    +      -       +      +
     89W  GLU*     4.6    10.7    -      -       -      +
     92W  ARG*     3.6    22.0    +      -       -      +
     93W  GLU*     5.0     4.3    -      -       -      +
    234W   CA      4.1    14.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 90 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     86K  GLU*     3.0    30.0    +      -       +      +
     87K  SER*     3.3    11.2    +      -       -      +
     89K  GLU*     1.3    78.0    -      -       +      +
     91K  GLU*     1.3    57.4    +      -       +      +
     93K  GLU*     3.1    11.9    +      -       -      +
     94K  HIS*     2.9    44.4    +      -       +      +
    180K  ARG*     4.7    15.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 91 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56K  GLU*     3.3    13.7    -      -       -      +
     59K  VAL*     3.1    29.1    -      -       +      +
     60K  SER*     3.5    22.0    -      -       -      +
     63K  TYR*     3.6    20.5    -      -       +      -
     87K  SER*     2.9    22.0    +      -       -      +
     90K  GLU*     1.3    78.5    -      -       -      +
     92K  ARG*     1.3    62.2    +      -       -      +
     94K  HIS*     3.1    15.1    +      -       -      +
     95K  ALA*     3.0    21.7    +      -       -      +
    140K  GLU*     3.5    16.0    -      -       -      +
    143K  THR*     4.7     1.4    +      -       -      -
    214K   CA      2.7    30.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 92 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57K  TYR*     3.8    27.0    +      -       +      +
     60K  SER*     3.7    17.6    +      -       -      +
     88K  SER      3.1     8.0    +      -       -      +
     89K  GLU*     3.6    11.0    -      -       -      +
     90K  GLU      3.2     0.2    -      -       -      -
     91K  GLU*     1.3    76.6    -      -       -      +
     93K  GLU*     1.3    75.8    +      -       -      +
     95K  ALA*     3.2     8.1    +      -       -      +
     96K  GLU*     2.9    38.9    +      -       -      +
     60W  SER*     4.7     2.4    +      -       -      -
     64W  HIS*     3.5    18.3    +      -       +      -
     85W  LYS      4.6     0.8    +      -       -      -
     88W  SER*     2.8    35.8    +      -       -      -
     89W  GLU*     3.6    28.8    +      -       -      +
     92W  ARG*     3.4    34.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 93 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     89K  GLU*     3.1    24.6    +      -       +      +
     90K  GLU*     3.1    12.6    +      -       -      +
     92K  ARG*     1.3    91.5    +      -       -      +
     94K  HIS*     1.3    63.5    +      -       +      +
     96K  GLU*     3.2    10.2    +      -       -      +
     97K  LYS*     2.9    31.6    +      -       -      +
    216K   CA      2.8    27.4    -      -       -      -
     89W  GLU*     4.7     6.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 94 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56K  GLU*     3.5    14.6    -      -       -      +
     90K  GLU*     2.9    31.8    +      -       +      +
     91K  GLU*     3.1    16.3    +      -       -      +
     93K  GLU*     1.3    79.7    -      -       +      +
     95K  ALA*     1.3    63.5    +      -       -      +
     97K  LYS*     3.9    16.8    -      -       -      +
     98K  LEU*     3.3     9.7    +      -       -      +
    169K  GLU      6.0     0.4    -      -       -      -
    170K  TYR*     2.7    42.3    +      +       +      -
    173K  GLU*     5.6    12.1    -      -       +      +
    174K  GLN*     5.9     0.7    -      -       -      -
    214K   CA      2.8    22.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 95 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53K  ILE*     3.9    11.3    -      -       +      +
     56K  GLU*     3.7    23.3    -      -       +      +
     57K  TYR*     3.8    31.6    -      -       +      +
     91K  GLU      3.0     9.3    +      -       -      +
     92K  ARG      3.2     8.9    +      -       -      +
     94K  HIS*     1.3    77.4    -      -       -      +
     96K  GLU*     1.3    62.6    +      -       -      +
     98K  LEU*     3.2     7.9    +      -       -      +
     99K  MET*     3.0    26.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 96 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     92K  ARG*     2.9    25.9    +      -       -      +
     93K  GLU*     3.2    12.2    +      -       -      +
     95K  ALA*     1.3    76.9    -      -       -      +
     97K  LYS*     1.3    58.5    -      -       -      +
     99K  MET*     3.1    11.7    +      -       -      +
    100K  GLU*     2.9    33.3    +      -       -      +
    216K   CA      2.7    27.4    -      -       -      -
     64W  HIS*     2.8    32.6    +      -       +      +
     67W  PHE*     4.3     7.0    -      -       +      -
     85W  LYS*     3.1    39.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 97 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93K  GLU      2.9    13.4    +      -       -      +
     94K  HIS*     3.9    23.8    -      -       -      +
     95K  ALA      3.3     0.2    -      -       -      -
     96K  GLU*     1.3    76.4    -      -       -      +
     98K  LEU*     1.3    57.0    +      -       -      +
    100K  GLU*     3.4    15.9    +      -       -      +
    101K  TYR*     2.9    25.6    +      -       -      +
    165K  PHE*     4.2    11.2    -      -       +      -
    169K  GLU*     3.2    42.6    +      -       +      +
    170K  TYR*     3.3    28.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 98 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49K  VAL*     3.9    21.4    -      -       +      +
     52K  GLN*     3.6    31.9    -      -       +      +
     53K  ILE*     3.5    17.0    -      -       +      -
     56K  GLU*     3.9    15.0    -      -       +      +
     94K  HIS      3.3     8.0    +      -       -      +
     95K  ALA      3.2     3.7    +      -       -      +
     96K  GLU      3.2     0.4    -      -       -      -
     97K  LYS*     1.3    76.4    -      -       -      +
     99K  MET*     1.3    58.7    +      -       -      +
    101K  TYR*     3.2     4.8    +      -       +      +
    102K  GLN*     2.9    28.6    +      -       -      +
    147K  LEU*     5.2     0.4    -      -       +      -
    150K  LEU*     4.4    19.3    -      -       +      -
    162K  LEU*     6.1     0.2    -      -       +      -
    165K  PHE*     3.8    22.0    -      -       +      -
    170K  TYR*     3.2    30.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with MET 99 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53K  ILE*     3.7    27.6    -      -       +      -
     57K  TYR*     4.6     3.8    -      -       -      -
     95K  ALA      3.0    23.6    +      -       -      +
     96K  GLU*     3.4    16.2    -      -       -      +
     98K  LEU*     1.3    75.2    -      -       -      +
    100K  GLU*     1.3    62.6    +      -       -      +
    102K  GLN*     3.3     5.0    +      -       -      +
    103K  ASN*     3.2    21.8    +      -       -      +
    109K  VAL*     3.5    16.8    -      -       +      +
    111K  LEU*     4.3    19.7    -      -       +      -
     64W  HIS*     3.7    52.9    -      -       +      +
     67W  PHE*     4.1    11.0    -      -       +      -
     68W  ALA*     3.8    15.5    -      -       +      -
     71W  ASP*     5.2     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 100 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96K  GLU*     2.9    22.1    +      -       -      +
     97K  LYS*     3.6    16.8    -      -       +      +
     99K  MET*     1.3    75.5    -      -       -      +
    101K  TYR*     1.3    58.4    +      -       -      +
    103K  ASN*     3.3     4.3    +      -       -      +
    104K  LYS*     3.0    42.9    +      -       -      +
    179P  LYS*     5.3     0.3    +      -       -      -
     67W  PHE*     3.9    17.5    -      -       +      -
     71W  ASP*     4.1    12.6    -      -       -      +
     85W  LYS*     2.5    37.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 101 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41K  TYR*     4.4     9.9    -      +       -      -
     49K  VAL*     4.7     6.3    -      -       +      -
     97K  LYS      2.9    17.7    +      -       -      +
     98K  LEU      3.6     5.6    -      -       -      +
     99K  MET      3.2     0.2    -      -       -      -
    100K  GLU*     1.3    74.3    -      -       -      +
    102K  GLN*     1.3    70.0    +      -       -      +
    104K  LYS*     3.0    27.7    +      -       +      +
    105K  ARG*     3.0    47.7    +      -       +      +
    161K  GLN*     2.5    32.9    +      -       -      -
    162K  LEU*     3.3    32.3    -      -       +      -
    165K  PHE*     3.6    53.2    -      +       +      -
    175P  VAL*     5.2     4.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 102 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41K  TYR*     2.6    41.5    +      -       -      -
     46K  GLU*     3.0    33.8    +      -       -      +
     49K  VAL*     3.6    11.2    -      -       +      +
     50K  ASN*     3.0    25.5    +      -       -      +
     53K  ILE*     4.7     0.7    -      -       +      -
     98K  LEU      2.9    13.6    +      -       -      +
     99K  MET      3.3    11.0    +      -       -      +
    101K  TYR*     1.3    83.1    -      -       -      +
    103K  ASN*     1.3    56.9    +      -       -      +
    105K  ARG*     3.3     1.9    +      -       -      +
    106K  GLY      3.1     7.1    +      -       -      -
    107K  GLY*     2.9    41.7    +      -       -      +
    109K  VAL*     3.7    21.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASN 103 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     99K  MET      3.2    12.1    +      -       -      -
    100K  GLU      3.7     3.4    -      -       -      +
    101K  TYR      3.2     0.4    -      -       -      -
    102K  GLN*     1.3    77.8    -      -       -      +
    104K  LYS*     1.3    64.9    +      -       -      +
    106K  GLY*     3.1    11.8    +      -       -      -
    107K  GLY      3.5    12.1    -      -       -      +
    109K  VAL*     4.2     8.5    +      -       -      +
    179P  LYS*     3.7    14.2    -      -       -      +
     67W  PHE*     5.5     0.6    -      -       -      -
     68W  ALA*     2.9    29.6    +      -       -      +
     71W  ASP*     2.9    48.9    +      -       -      +
     72W  ARG*     3.5    20.8    -      -       -      +
     73W  ASP*     4.2     7.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 104 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37K  ALA*     4.1     8.7    -      -       -      +
    100K  GLU*     3.0    31.0    +      -       -      +
    101K  TYR*     3.0    22.5    +      -       +      +
    103K  ASN*     1.3    76.5    -      -       -      +
    105K  ARG*     1.3    60.4    +      -       -      +
    106K  GLY      3.5     0.3    +      -       -      -
    165K  PHE*     6.1     2.8    -      -       -      -
    175P  VAL*     3.9    26.5    -      -       +      +
    176P  GLU*     2.7    41.6    +      -       -      +
    178P  ILE*     5.7     0.7    -      -       -      +
    179P  LYS*     3.9    37.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 105 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37K  ALA      4.9     1.1    -      -       -      -
     38K  ARG*     3.3    26.4    -      -       -      +
     39K  GLN      3.3    16.3    +      -       -      +
     40K  LYS*     3.1    18.2    +      -       -      +
     41K  TYR*     3.5    40.0    -      -       +      +
    101K  TYR*     3.0    60.4    +      -       +      +
    102K  GLN      3.9     1.3    -      -       -      +
    103K  ASN      3.2     0.2    -      -       -      -
    104K  LYS*     1.3    76.6    -      -       -      +
    106K  GLY*     1.3    61.6    +      -       -      +
    107K  GLY      3.6     0.3    +      -       -      -
    159K  ASP*     2.9    41.6    +      -       -      -
    161K  GLN*     3.7    18.4    +      -       -      +
    162K  LEU*     3.7     1.4    -      -       -      +
    175P  VAL*     3.8    22.1    -      -       -      +
----------------------------------------------------------
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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