Contacts of the helix formed by residues 59 - 87 (chain A) in PDB entry 5F0P


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 59 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57A  MET      3.9     1.0    +      -       -      -
     58A  LEU*     1.3    76.0    -      -       -      +
     60A  PRO*     1.3    70.0    -      -       -      +
     61A  LYS*     3.6     7.1    +      -       -      +
     62A  SER*     2.9    29.5    +      -       -      -
     63A  TYR*     2.8    28.7    +      -       -      +
    144A  LEU*     4.9     1.1    -      -       -      -
    212A  GLU*     4.8     3.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with PRO 60 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     58A  LEU      4.6     0.7    -      -       -      +
     59A  SER*     1.3    86.2    -      -       -      +
     61A  LYS*     1.3    56.8    +      -       -      +
     63A  TYR*     3.9     1.5    -      -       +      +
     64A  TYR*     3.0    28.4    +      -       -      +
    144A  LEU*     4.3    22.0    -      -       +      -
    148A  PHE*     4.6     4.5    -      -       -      -
    197A  MET*     5.3     3.6    -      -       +      -
    212A  GLU*     3.2    46.9    -      -       +      +
    215A  GLU*     3.8    14.6    -      -       +      +
    216A  LEU*     4.2    27.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 61 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     59A  SER*     3.3     6.9    +      -       -      +
     60A  PRO*     1.3    76.2    -      -       -      +
     62A  SER*     1.3    66.7    +      -       -      +
     64A  TYR*     3.2    13.7    +      -       +      +
     65A  GLU*     3.1    22.3    +      -       -      +
    215A  GLU*     4.4    27.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 62 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13A  SER*     5.4     2.6    +      -       -      -
     16A  LEU*     3.2    39.3    -      -       -      +
     58A  LEU*     3.9    15.5    -      -       -      -
     59A  SER*     2.9    26.9    +      -       -      -
     61A  LYS*     1.3    76.6    -      -       -      +
     63A  TYR*     1.3    63.1    +      -       -      +
     65A  GLU*     3.0    12.1    +      -       -      +
     66A  LEU*     3.1    10.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 63 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     52A  GLU      5.1     0.2    -      -       -      -
     53A  LEU*     2.8    57.3    +      -       +      +
     55A  THR*     4.2    17.9    -      -       +      -
     58A  LEU*     3.8    23.7    -      -       +      +
     59A  SER      2.8    22.0    +      -       -      +
     60A  PRO      3.9     2.5    -      -       -      +
     62A  SER*     1.3    72.7    -      -       -      +
     64A  TYR*     1.3    56.8    +      -       -      +
     66A  LEU*     3.2     4.8    +      -       +      +
     67A  TYR*     2.8    28.4    +      -       +      +
    105A  ILE*     5.4     1.2    -      -       -      +
    109A  TYR*     4.7     5.5    +      -       -      -
    144A  LEU*     3.7    21.8    -      -       +      -
    145A  ARG*     3.5    23.2    -      -       +      +
    148A  PHE*     3.6    43.7    -      +       +      -
----------------------------------------------------------
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Residues in contact with TYR 64 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60A  PRO      3.0    20.6    +      -       -      +
     61A  LYS*     3.4    12.6    -      -       +      +
     63A  TYR*     1.3    76.4    -      -       -      +
     65A  GLU*     1.3    77.5    +      -       -      +
     67A  TYR*     3.4     3.9    +      +       -      +
     68A  MET*     3.1    59.8    +      -       +      +
    148A  PHE*     3.8    33.7    -      +       +      -
    216A  LEU*     5.8     0.9    -      -       +      -
    218A  ILE*     6.6     0.2    -      -       +      -
    219A  LEU*     5.5     6.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 65 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16A  LEU*     4.3    15.3    -      -       +      +
     20A  ILE*     4.8    12.0    -      -       +      +
     61A  LYS      3.1    10.2    +      -       -      +
     62A  SER      3.0    11.0    +      -       -      +
     64A  TYR*     1.3    93.8    -      -       -      +
     66A  LEU*     1.3    60.3    +      -       -      +
     68A  MET*     3.3     7.9    +      -       -      +
     69A  ALA*     3.1    22.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 66 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16A  LEU*     4.1     7.2    -      -       +      +
     19A  ALA*     4.1    21.1    -      -       +      -
     20A  ILE*     4.4    11.7    -      -       +      -
     23A  VAL*     3.9    17.0    -      -       +      -
     52A  GLU*     3.5    29.8    -      -       +      +
     53A  LEU*     4.1     7.6    -      -       +      -
     55A  THR*     4.7     2.0    -      -       +      -
     58A  LEU*     3.5    26.7    -      -       +      -
     62A  SER      3.1    11.7    +      -       -      +
     63A  TYR*     3.5     9.4    -      -       +      +
     65A  GLU*     1.3    76.2    -      -       -      +
     67A  TYR*     1.3    63.1    +      -       -      +
     69A  ALA*     3.5     4.8    +      -       +      +
     70A  ILE*     3.1    43.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 67 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53A  LEU*     4.0    17.0    -      -       +      +
     63A  TYR*     2.8    20.2    +      -       +      +
     64A  TYR*     3.5     6.5    -      +       -      +
     65A  GLU      3.3     0.2    -      -       -      -
     66A  LEU*     1.3    73.7    -      -       -      +
     68A  MET*     1.3    72.5    +      -       +      +
     70A  ILE*     3.2     3.2    +      -       -      +
     71A  SER*     2.7    55.0    +      -       -      -
    109A  TYR*     3.6    28.3    -      +       -      -
    148A  PHE*     3.5    49.1    -      +       +      -
    151A  ASN*     3.3    20.8    +      -       -      -
    152A  TYR*     3.3    31.5    -      +       +      +
    155A  GLN*     5.1     4.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 68 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64A  TYR*     3.1    52.8    +      -       +      +
     65A  GLU*     3.3     8.5    +      -       -      +
     67A  TYR*     1.3    93.6    -      -       +      +
     69A  ALA*     1.3    65.2    +      -       -      +
     71A  SER*     3.8     4.2    -      -       -      -
     72A  ASP*     3.1    50.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 69 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20A  ILE*     4.7    20.9    -      -       +      -
     23A  VAL*     4.8    11.7    -      -       +      -
     24A  LYS*     6.3     0.9    -      -       -      -
     65A  GLU      3.1    12.8    +      -       -      +
     66A  LEU*     3.6    13.0    -      -       +      +
     68A  MET*     1.3    77.8    -      -       -      +
     70A  ILE*     1.3    61.4    +      -       -      +
     72A  ASP*     3.4     6.0    +      -       -      +
     73A  GLU*     3.3    27.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 70 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23A  VAL*     3.8    20.2    -      -       +      -
     49A  MET*     3.7    40.3    -      -       +      +
     50A  LEU*     3.8    27.8    -      -       +      -
     52A  GLU*     4.2     2.5    -      -       +      -
     53A  LEU*     3.6    30.7    -      -       +      -
     66A  LEU*     3.1    35.4    +      -       +      +
     67A  TYR      3.8     2.7    -      -       -      +
     69A  ALA*     1.3    73.7    -      -       -      +
     71A  SER*     1.3    60.7    +      -       -      +
     73A  GLU*     3.4     2.3    +      -       -      +
     74A  LEU*     2.9    31.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 71 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67A  TYR*     2.7    43.4    +      -       -      -
     68A  MET*     3.8     9.6    -      -       -      -
     69A  ALA      3.4     0.2    -      -       -      -
     70A  ILE*     1.3    73.4    -      -       -      +
     72A  ASP*     1.3    65.4    +      -       -      +
     74A  LEU*     3.3    12.4    +      -       -      +
     75A  HIS*     3.2    21.0    +      -       -      +
    152A  TYR*     4.2    16.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 72 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     68A  MET*     3.1    39.4    +      -       -      +
     69A  ALA*     3.7     6.2    -      -       -      +
     71A  SER*     1.3    78.8    +      -       -      +
     73A  GLU*     1.3    67.0    +      -       -      +
     75A  HIS*     3.5    18.3    +      -       -      +
     76A  TYR*     3.6    17.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 73 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23A  VAL*     4.4     7.0    -      -       +      -
     24A  LYS*     5.9     2.6    -      -       +      +
     27A  SER*     3.4    25.1    -      -       -      +
     30A  MET*     3.6    10.3    -      -       +      +
     31A  LYS*     3.0    35.8    +      -       -      -
     49A  MET*     3.6    24.2    -      -       +      -
     69A  ALA      3.3    15.5    +      -       -      +
     70A  ILE      3.8     2.0    -      -       -      +
     71A  SER      3.3     0.4    -      -       -      -
     72A  ASP*     1.3    78.0    -      -       -      +
     74A  LEU*     1.3    65.2    +      -       -      +
     75A  HIS      3.1     1.6    -      -       -      -
     76A  TYR*     3.0    31.4    +      -       -      +
     77A  LEU      3.6     3.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 74 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  MET*     5.5     0.2    -      -       -      -
     46A  ALA*     5.1     0.7    -      -       +      -
     49A  MET*     3.9    19.0    -      -       +      +
     50A  LEU*     4.0    35.4    -      -       +      -
     70A  ILE*     2.9    24.4    +      -       +      +
     71A  SER*     3.3     8.3    +      -       -      +
     73A  GLU*     1.3    74.9    -      -       -      +
     75A  HIS*     1.3    57.9    +      -       -      +
     77A  LEU*     3.3    24.9    +      -       +      +
     78A  GLU*     2.9    27.5    +      -       -      +
    109A  TYR*     4.1    10.3    -      -       +      +
    110A  LEU*     4.8     2.2    -      -       +      -
    113A  THR*     4.2    12.1    -      -       -      +
    152A  TYR*     3.3    38.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 75 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     71A  SER      3.2    12.2    +      -       -      +
     72A  ASP*     3.6    13.9    -      -       -      +
     73A  GLU      3.1     1.0    -      -       -      -
     74A  LEU*     1.3    74.2    -      -       -      +
     76A  TYR*     1.3    68.1    +      +       -      +
     78A  GLU*     4.1    17.3    +      -       -      -
     79A  VAL*     2.8    46.5    +      -       +      +
    511A  EDO      4.0    20.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 76 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  MET*     4.7     1.6    -      -       +      -
     31A  LYS*     3.3    44.0    -      -       +      -
     34A  LEU*     4.4     4.5    -      -       +      +
     72A  ASP*     3.6    21.5    -      -       +      -
     73A  GLU*     3.0    27.6    +      -       -      +
     75A  HIS*     1.3    84.9    -      +       -      +
     77A  LEU*     1.3    56.5    +      -       -      +
     79A  VAL*     3.5    12.8    -      -       +      +
     80A  TYR*     3.2    26.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 77 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  MET*     4.5    16.6    -      -       +      +
     34A  LEU*     4.0    29.6    -      -       +      -
     39A  LEU*     4.4     2.9    -      -       +      -
     42A  ALA*     5.1     1.8    -      -       +      -
     43A  LEU*     3.8    29.2    -      -       +      -
     46A  ALA*     4.1    18.6    -      -       +      -
     73A  GLU      3.6     2.4    +      -       -      -
     74A  LEU*     3.3    19.7    +      -       +      +
     75A  HIS      3.2     0.2    -      -       -      -
     76A  TYR*     1.3    77.0    -      -       -      +
     78A  GLU*     1.3    64.5    +      -       -      +
     80A  TYR*     3.3     3.6    +      -       -      +
     81A  LEU*     3.0    52.1    +      -       +      +
    110A  LEU*     4.1    11.2    -      -       +      -
    113A  THR*     4.7     9.4    -      -       +      -
    114A  VAL*     6.3     1.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 78 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     74A  LEU      2.9    17.5    +      -       -      +
     75A  HIS*     3.2    23.8    +      -       -      +
     77A  LEU*     1.3    75.4    -      -       -      +
     79A  VAL*     1.3    54.0    +      -       -      +
     81A  LEU*     3.5     4.9    +      -       -      +
     82A  THR*     2.5    58.5    +      -       -      -
    113A  THR*     3.8    25.5    -      -       +      +
    116A  VAL*     4.0    23.3    -      -       +      +
    117A  VAL*     3.9     3.4    -      -       +      +
    120A  LYS*     3.1    23.3    +      -       -      -
    152A  TYR*     5.6     1.6    -      -       -      +
    156A  CYS*     5.9     3.8    -      -       -      -
    511A  EDO      4.1     9.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 79 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     75A  HIS*     2.8    40.5    +      -       +      +
     76A  TYR*     3.5    17.9    -      -       +      +
     78A  GLU*     1.3    72.6    -      -       -      +
     80A  TYR*     1.3    68.5    +      -       -      +
     82A  THR*     4.0     6.2    -      -       -      -
     83A  ASP*     3.0    46.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 80 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34A  LEU*     3.3    55.9    -      -       +      -
     37A  ASN*     3.5    25.8    +      -       -      +
     39A  LEU*     4.1    20.4    -      -       +      +
     76A  TYR      3.2    15.8    +      -       -      +
     77A  LEU*     3.3     6.5    +      -       -      +
     79A  VAL*     1.3    84.6    -      -       -      +
     81A  LEU*     1.3    77.0    +      -       +      +
     83A  ASP*     3.9     3.8    -      -       -      +
     84A  GLU*     2.8    63.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 81 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39A  LEU*     4.0    22.0    -      -       +      -
     43A  LEU*     5.3     2.9    -      -       +      -
     77A  LEU*     3.0    56.4    +      -       +      +
     78A  GLU*     3.8     1.3    -      -       -      +
     80A  TYR*     1.3    85.3    -      -       +      +
     82A  THR*     1.3    60.4    +      -       -      +
     84A  GLU*     3.4     3.2    +      -       +      -
     85A  PHE*     2.8    47.9    +      -       +      -
     91A  VAL*     4.9     1.8    -      -       +      -
     94A  LEU*     3.5    32.1    -      -       +      -
    113A  THR*     5.5     2.7    -      -       +      -
    114A  VAL*     5.3     8.1    -      -       +      -
    117A  VAL*     3.8    22.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 82 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     78A  GLU*     2.5    40.8    +      -       -      -
     79A  VAL*     4.0     7.7    -      -       -      -
     80A  TYR      3.4     0.4    -      -       -      -
     81A  LEU*     1.3    75.3    -      -       -      +
     83A  ASP*     1.3    60.3    +      -       -      +
     85A  PHE*     3.8     2.1    -      -       -      +
     86A  ALA*     2.9    31.5    +      -       +      +
    117A  VAL*     3.6    15.2    -      -       +      +
    120A  LYS*     3.7    35.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 83 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     79A  VAL*     3.0    37.8    +      -       -      +
     80A  TYR*     3.9     3.6    -      -       -      +
     82A  THR*     1.3    74.5    -      -       -      +
     84A  GLU*     1.3    56.6    +      -       -      +
     86A  ALA*     3.0     8.5    +      -       -      +
     87A  LYS*     2.8    56.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 84 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37A  ASN*     3.0    17.2    +      -       -      -
     80A  TYR*     2.8    64.4    +      -       +      +
     81A  LEU*     3.5     8.5    -      -       +      +
     83A  ASP*     1.3    78.4    -      -       +      +
     85A  PHE*     1.3    64.9    +      -       +      +
     87A  LYS*     3.5    12.1    +      -       -      +
     89A  ARG*     3.0    73.7    +      -       -      +
     91A  VAL*     5.9     2.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 85 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     81A  LEU*     2.8    52.1    +      -       +      +
     82A  THR      3.8     3.8    -      -       -      +
     84A  GLU*     1.3    75.5    -      -       +      +
     86A  ALA*     1.3    63.3    +      -       -      +
     88A  GLY      3.4     8.5    +      -       -      -
     90A  LYS*     3.4    46.3    -      -       +      +
     91A  VAL*     3.6    35.4    -      -       +      -
     94A  LEU*     4.2     8.7    -      -       +      -
    117A  VAL*     3.8    17.3    -      -       +      -
    118A  TYR*     4.1    20.0    -      +       -      -
    121A  SER*     3.6    32.5    +      -       -      +
    122A  PHE*     3.9    18.4    -      +       -      -
----------------------------------------------------------
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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
----------------------------------------------------------
     82A  THR*     2.9    20.4    +      -       +      +
     83A  ASP*     3.0     9.4    +      -       -      +
     85A  PHE*     1.3    76.7    -      -       -      +
     87A  LYS*     1.3    58.6    +      -       +      +
     88A  GLY      3.3     3.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 87 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     83A  ASP*     2.8    37.9    +      -       -      +
     84A  GLU*     3.5     7.2    +      -       -      +
     85A  PHE      3.3     0.4    -      -       -      -
     86A  ALA*     1.3    77.0    -      -       +      +
     88A  GLY*     1.3    54.5    +      -       -      +
     89A  ARG*     3.3    38.1    +      -       -      +
----------------------------------------------------------
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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