Contacts of the helix formed by residues 82 - 108 (chain A) in PDB entry 3J41


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 82 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9A  PHE*     5.5     0.7    -      -       -      -
     76A  LEU*     3.9     1.6    -      -       -      -
     81A  MET*     1.3    78.1    -      -       -      +
     83A  LEU*     1.3    63.7    +      -       -      +
     84A  LEU*     3.1    12.2    +      -       -      +
     85A  ARG*     3.1    27.0    +      -       -      +
     86A  ALA*     3.1    23.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 83 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76A  LEU*     3.8    32.0    -      -       +      +
     81A  MET      4.0     0.2    +      -       -      -
     82A  SER*     1.3    73.4    -      -       -      +
     84A  LEU*     1.3    58.8    +      -       -      +
     86A  ALA*     3.9     0.6    -      -       -      +
     87A  ILE*     3.0    55.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 84 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9A  PHE*     4.5    17.0    -      -       +      -
     82A  SER*     3.0     9.6    +      -       -      +
     83A  LEU*     1.3    77.4    -      -       -      +
     85A  ARG*     1.3    65.1    +      -       -      +
     87A  ILE*     3.6     6.7    +      -       +      +
     88A  CYS*     3.1    43.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 85 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9A  PHE*     3.5    55.4    -      -       +      +
     12A  ALA*     4.5     8.9    -      -       -      +
     62A  ILE      5.6     1.0    +      -       -      -
     81A  MET*     3.8    20.6    -      -       +      +
     82A  SER*     3.1    25.1    +      -       -      +
     84A  LEU*     1.3    72.5    -      -       -      +
     86A  ALA*     1.3    57.0    +      -       -      +
     88A  CYS*     3.0     2.3    +      -       -      +
     89A  TYR*     2.6    76.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 86 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     72A  THR*     3.5    24.5    -      -       +      -
     73A  PHE*     6.0     0.2    -      -       -      -
     76A  LEU*     3.9    27.6    -      -       +      -
     81A  MET*     3.5     8.6    -      -       +      +
     82A  SER      3.1    14.3    +      -       -      +
     83A  LEU      3.9     5.2    -      -       -      +
     85A  ARG*     1.3    77.7    -      -       -      +
     87A  ILE*     1.3    58.7    +      -       +      +
     89A  TYR*     3.1     3.6    +      -       -      +
     90A  MET*     2.8    38.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 87 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     83A  LEU*     3.0    45.2    +      -       +      +
     84A  LEU*     4.0     6.3    -      -       +      +
     85A  ARG      3.3     0.4    -      -       -      -
     86A  ALA*     1.3    75.3    -      -       +      +
     88A  CYS*     1.3    59.9    +      -       -      +
     90A  MET*     3.3    11.1    +      -       +      +
     91A  VAL*     2.9    45.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 88 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9A  PHE*     3.9    19.1    -      -       +      -
     10A  TRP*     5.5     5.2    -      -       -      -
     13A  ILE*     3.8    28.1    -      -       +      +
     84A  LEU*     3.1    37.5    +      -       -      +
     85A  ARG      3.0     4.8    +      -       -      +
     87A  ILE*     1.3    77.0    -      -       -      +
     89A  TYR*     1.3    57.8    +      -       -      +
     91A  VAL*     3.3     7.7    +      -       -      +
     92A  ALA*     2.9    31.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 89 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9A  PHE      5.3     0.2    -      -       -      -
     12A  ALA*     3.6    16.3    -      -       +      +
     13A  ILE*     4.6    11.0    -      -       +      -
     16A  GLU*     3.7    28.9    -      -       +      +
     63A  SER*     2.9    39.8    +      -       -      -
     66A  HIS*     3.5    32.5    -      +       -      -
     72A  THR*     3.7     6.1    -      -       +      +
     81A  MET*     3.7     9.0    -      -       +      -
     85A  ARG*     2.6    58.3    +      -       +      +
     86A  ALA      3.2     9.9    -      -       -      +
     88A  CYS*     1.3    74.5    -      -       -      +
     90A  MET*     1.3    51.5    +      -       -      +
     92A  ALA*     3.2     6.0    +      -       -      +
     93A  GLN*     2.8    47.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 90 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69A  PRO*     3.5    35.7    -      -       +      +
     72A  THR*     4.0    10.1    -      -       +      -
     73A  PHE*     5.2     8.3    -      -       +      -
     86A  ALA*     2.8    25.8    +      -       -      +
     87A  ILE*     3.8     8.7    -      -       +      +
     89A  TYR*     1.3    73.4    -      -       -      +
     91A  VAL*     1.3    61.9    +      -       +      +
     93A  GLN*     3.3    17.7    -      -       -      +
     94A  LEU*     2.8    42.9    +      -       +      +
    205A  TRP*     4.4    17.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 91 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87A  ILE*     2.9    38.8    +      -       +      +
     88A  CYS*     3.5     9.0    -      -       -      +
     90A  MET*     1.3    76.5    -      -       +      +
     92A  ALA*     1.3    66.4    +      -       -      +
     94A  LEU*     3.8     7.1    -      -       +      +
     95A  LEU*     3.0    47.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 92 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13A  ILE*     3.5    35.2    -      -       +      +
     16A  GLU*     4.2     4.7    -      -       +      -
     17A  PHE*     3.5    24.6    -      -       +      +
     88A  CYS      2.9    18.1    +      -       -      +
     89A  TYR*     3.5     4.3    -      -       -      +
     91A  VAL*     1.3    79.3    -      -       -      +
     93A  GLN*     1.3    52.3    +      -       -      +
     95A  LEU*     4.9     2.0    -      -       -      -
     96A  GLY*     2.7    32.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 93 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16A  GLU*     3.1    26.8    -      -       +      +
     20A  SER*     3.3    25.3    -      -       -      +
     66A  HIS*     3.6     2.3    -      -       -      +
     67A  VAL*     4.0     3.6    -      -       -      -
     68A  ASN      3.6     9.2    -      -       -      +
     69A  PRO*     3.0    45.7    -      -       +      +
     72A  THR*     2.9    20.4    +      -       -      -
     89A  TYR*     2.8    29.9    +      -       -      +
     90A  MET*     3.3    13.4    -      -       -      +
     92A  ALA*     1.3    72.6    -      -       -      +
     94A  LEU*     1.3    59.9    +      -       -      +
     97A  ALA*     2.8    30.8    +      -       -      +
    186A  ALA*     3.8     5.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 94 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69A  PRO*     4.5     4.5    -      -       +      -
     90A  MET*     2.8    32.7    +      -       +      +
     91A  VAL*     3.8     7.0    -      -       +      +
     93A  GLN*     1.3    74.3    -      -       -      +
     95A  LEU*     1.3    71.3    +      -       +      +
     97A  ALA*     3.5     2.1    +      -       -      +
     98A  VAL*     3.0    31.6    +      -       -      +
    186A  ALA*     3.9    24.0    -      -       +      -
    189A  PHE*     3.8    30.6    -      -       +      -
    205A  TRP*     3.9    29.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 95 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17A  PHE*     3.8    17.5    -      -       +      -
     91A  VAL*     3.0    40.4    +      -       +      +
     92A  ALA*     4.2     2.0    -      -       -      +
     94A  LEU*     1.3    81.1    -      -       +      +
     96A  GLY*     1.3    67.4    +      -       -      +
     98A  VAL*     3.4     7.2    +      -       +      +
     99A  ALA*     2.9    26.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 96 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17A  PHE*     3.5    29.5    -      -       -      -
     20A  SER*     4.0     1.8    -      -       -      -
     21A  LEU*     3.0    18.7    -      -       -      +
     92A  ALA      2.7    21.2    +      -       -      -
     93A  GLN      3.7     0.7    -      -       -      -
     95A  LEU*     1.3    77.9    -      -       -      +
     97A  ALA*     1.3    61.4    +      -       -      +
     99A  ALA*     3.3     0.7    +      -       -      +
    100A  GLY      3.0    18.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 97 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20A  SER*     3.8     3.0    -      -       -      +
     24A  VAL*     3.4    28.8    -      -       +      +
     93A  GLN      2.8    18.3    +      -       -      +
     94A  LEU      3.8     4.0    -      -       -      +
     95A  LEU      3.3     0.2    -      -       -      -
     96A  GLY*     1.3    75.9    -      -       -      +
     98A  VAL*     1.3    64.5    +      -       -      +
    100A  GLY*     2.9     3.8    +      -       -      -
    101A  ALA*     2.8    23.2    +      -       -      +
    186A  ALA*     3.3    31.2    -      -       +      +
    190A  ALA*     3.6     7.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 98 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     94A  LEU      3.0    19.0    +      -       -      +
     95A  LEU*     3.7     7.4    -      -       +      +
     97A  ALA*     1.3    75.4    -      -       -      +
     99A  ALA*     1.3    59.1    +      -       -      +
    101A  ALA*     3.3     3.5    +      -       -      +
    102A  ALA*     2.8    29.7    +      -       +      +
    189A  PHE*     3.9    28.0    -      -       +      -
    190A  ALA*     3.7    10.3    -      -       -      +
    193A  ILE*     4.1    13.5    -      -       +      -
    194A  LEU*     3.8    20.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 99 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17A  PHE*     4.4    10.8    -      -       +      -
     21A  LEU*     4.0    17.5    -      -       +      -
     95A  LEU      2.9    18.5    +      -       -      +
     96A  GLY      3.6     4.5    -      -       -      +
     98A  VAL*     1.3    78.1    -      -       -      +
    100A  GLY*     1.3    52.6    +      -       -      +
    102A  ALA*     2.9     8.3    +      -       -      +
    103A  VAL*     2.7    42.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLY 100 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21A  LEU*     3.5    37.8    -      -       -      +
     25A  PHE*     3.4    14.3    -      -       -      -
     96A  GLY      3.0     7.9    +      -       -      -
     97A  ALA      2.9     6.0    +      -       -      -
     99A  ALA*     1.3    77.5    -      -       -      +
    101A  ALA*     1.3    57.5    +      -       -      +
    103A  VAL*     4.5     0.9    -      -       -      -
    104A  LEU*     2.9    30.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 101 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24A  VAL*     4.0     1.4    -      -       -      +
     28A  LEU*     3.9    21.1    -      -       +      -
     97A  ALA      2.8    15.7    +      -       -      +
     98A  VAL      3.5     1.6    -      -       -      +
    100A  GLY*     1.3    76.3    -      -       -      +
    102A  ALA*     1.3    58.4    +      -       -      +
    104A  LEU*     3.3     7.5    -      -       -      +
    105A  TYR*     2.9    28.8    +      -       -      +
    116A  LEU*     4.3     7.6    -      -       +      +
    190A  ALA*     3.8    20.9    -      -       +      +
    191A  PRO      4.7     0.2    -      -       -      -
    194A  LEU*     3.5    21.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 102 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     98A  VAL*     2.8    17.3    +      -       +      +
     99A  ALA*     3.1    13.0    -      -       -      +
    101A  ALA*     1.3    73.6    -      -       -      +
    103A  VAL*     1.3    69.0    +      -       +      +
    105A  TYR*     3.0     9.6    +      -       -      +
    106A  SER*     2.9    21.7    +      -       -      -
    194A  LEU*     3.6    13.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 103 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21A  LEU*     4.9     6.1    -      -       +      -
     25A  PHE*     3.9    13.2    -      -       +      -
     99A  ALA*     2.7    29.7    +      -       +      +
    100A  GLY*     4.0     5.4    -      -       -      +
    102A  ALA*     1.3    73.6    -      -       +      +
    104A  LEU*     1.3    60.4    +      -       -      +
    106A  SER*     2.7    26.0    +      -       -      +
    107A  VAL*     3.2    17.5    +      -       +      +
    132D  ILE*     4.6     3.4    -      -       +      -
    136D  PHE*     3.5    35.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 104 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25A  PHE*     3.5    27.1    -      -       +      +
     28A  LEU*     4.0    23.6    -      -       +      -
     29A  GLY*     3.8    15.3    -      -       -      +
     32A  LEU*     4.1    11.2    -      -       +      -
    100A  GLY      2.9    20.0    +      -       -      +
    101A  ALA*     3.3     6.1    -      -       -      +
    102A  ALA      3.0     0.2    -      -       -      -
    103A  VAL*     1.3    74.8    -      -       -      +
    105A  TYR*     1.3    56.9    +      -       -      +
    107A  VAL*     3.2     3.3    +      -       +      -
    108A  THR*     2.7    35.1    +      -       +      +
    116A  LEU*     3.6    29.8    -      -       +      -
    174D  PHE*     3.9    11.7    -      -       +      -
    178D  TYR*     3.6    23.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 105 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    101A  ALA      2.9    13.8    +      -       -      +
    102A  ALA*     3.3    11.4    -      -       -      +
    104A  LEU*     1.3    77.1    -      -       -      +
    106A  SER*     1.3    67.5    +      -       -      +
    108A  THR*     3.2    21.6    +      -       -      +
    113A  ARG*     3.1    61.1    +      -       +      -
    116A  LEU*     4.2    24.2    -      -       +      -
    194A  LEU*     5.5     5.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 106 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    102A  ALA      2.9    11.0    +      -       -      -
    103A  VAL*     2.7    24.4    +      -       -      +
    105A  TYR*     1.3    84.5    -      -       -      +
    107A  VAL*     1.3    58.5    +      -       -      +
    113A  ARG*     4.8     3.0    +      -       -      +
    129D  GLN*     2.6    28.5    +      -       -      +
    132D  ILE*     5.5     2.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 107 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25A  PHE*     5.2     5.2    -      -       +      -
    103A  VAL*     3.3    17.9    -      -       +      +
    104A  LEU*     3.2     5.5    +      -       +      +
    106A  SER*     1.3    84.8    +      -       -      +
    108A  THR*     1.3    60.6    +      -       -      +
    109A  PRO*     4.0     2.3    -      -       -      +
    125D  VAL*     4.6     1.7    -      -       -      +
    129D  GLN*     2.8    53.0    +      -       +      +
    132D  ILE*     3.6    33.9    -      -       +      -
    133D  VAL*     3.1    22.4    -      -       +      -
    178D  TYR*     3.7    12.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 108 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32A  LEU*     3.6    16.6    -      -       +      +
    104A  LEU*     2.7    29.6    +      -       +      +
    105A  TYR*     3.2    17.0    -      -       -      +
    107A  VAL*     1.3    79.8    -      -       -      +
    109A  PRO*     1.3    74.8    +      -       -      +
    112A  VAL*     4.0     4.0    -      -       -      +
    113A  ARG*     2.8    47.8    +      -       +      +
    116A  LEU*     4.8     0.9    -      -       +      -
    129D  GLN*     4.5     3.5    +      -       -      -
    178D  TYR*     3.5    22.2    +      -       -      -
----------------------------------------------------------
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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