Contacts of the helix formed by residues 99 - 159 (chain A) in PDB entry 4UY3


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 99 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     94A  LEU*     2.9    37.9    +      -       -      +
     95A  LEU*     4.1     0.4    +      -       -      -
     97A  LYS*     3.3     8.6    +      -       -      +
     98A  PHE*     1.3    74.0    -      -       -      +
    100A  PHE*     1.3    58.0    +      -       -      +
    101A  ASN      3.4     2.7    -      -       -      -
    102A  ALA*     3.4    10.2    +      -       -      -
    103A  SER*     2.9    30.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 100 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23A  MET*     4.0    31.2    -      -       +      -
     24A  ARG*     4.3     8.5    -      -       +      -
     27A  LYS*     4.2    28.0    -      -       +      +
     95A  LEU*     3.7    28.9    -      -       +      -
     98A  PHE*     3.2    48.4    +      +       +      -
     99A  SER*     1.3    74.9    -      -       -      +
    101A  ASN*     1.3    69.1    +      -       -      +
    103A  SER*     3.6     6.3    +      -       -      -
    104A  GLN*     3.1    20.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 101 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     99A  SER      3.4     0.2    -      -       -      -
    100A  PHE*     1.3    78.4    -      -       -      +
    102A  ALA*     1.3    60.9    +      -       -      +
    104A  GLN*     3.0     9.3    +      -       -      +
    105A  SER*     2.8    31.0    +      -       -      -
----------------------------------------------------------
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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
----------------------------------------------------------
     94A  LEU*     3.9    18.3    -      -       +      +
     99A  SER*     3.4    22.8    +      -       -      +
    101A  ASN*     1.3    77.0    -      -       -      +
    103A  SER*     1.3    64.4    +      -       -      +
    105A  SER*     3.1    17.5    +      -       -      -
    106A  GLU*     3.1    16.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 103 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27A  LYS*     6.0     2.1    -      -       -      +
     31A  ILE*     4.2     6.6    -      -       -      +
     91A  ALA*     2.9    33.4    +      -       -      +
     94A  LEU*     4.0     9.5    -      -       -      +
     95A  LEU*     3.7    21.9    -      -       -      +
     99A  SER      2.9    19.7    +      -       -      -
    100A  PHE*     3.8     6.1    -      -       -      -
    102A  ALA*     1.3    76.5    -      -       -      +
    104A  GLN*     1.3    62.9    +      -       -      +
    106A  GLU*     3.1    12.5    +      -       -      +
    107A  ILE*     3.2    15.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 104 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27A  LYS*     5.0    13.6    +      -       +      +
     30A  ILE*     4.3    24.4    -      -       -      +
    100A  PHE      3.1    14.3    +      -       -      +
    101A  ASN*     3.0    12.2    +      -       -      +
    103A  SER*     1.3    75.2    +      -       -      +
    105A  SER*     1.3    64.4    +      -       -      +
    107A  ILE*     3.2    14.6    +      -       -      +
    108A  ASP*     2.9    49.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 105 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    101A  ASN      2.8    13.6    +      -       -      -
    102A  ALA*     3.1    12.7    +      -       -      -
    104A  GLN*     1.3    76.4    -      -       -      +
    106A  GLU*     1.3    61.8    +      -       -      +
    108A  ASP*     3.1    11.9    +      -       -      +
    109A  ASP*     2.9    36.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 106 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87A  LYS*     3.2    54.4    +      -       -      +
     90A  ASN*     3.1    31.6    +      -       +      +
     91A  ALA*     4.0     4.5    -      -       +      -
     94A  LEU*     3.9    19.5    -      -       +      -
    102A  ALA      3.1    13.4    +      -       -      +
    103A  SER      3.1     8.5    +      -       -      +
    105A  SER*     1.3    81.1    -      -       -      +
    107A  ILE*     1.3    60.0    +      -       -      +
    109A  ASP*     3.5     8.6    +      -       -      +
    110A  ALA*     3.0    25.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 107 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  ILE*     4.3    22.9    -      -       +      +
     31A  ILE*     4.1    26.9    -      -       +      +
     34A  ALA*     4.4    12.3    -      -       +      -
     88A  ILE*     4.3    22.7    -      -       +      -
     91A  ALA*     3.6    22.2    -      -       +      -
    103A  SER*     3.2    14.8    +      -       -      +
    104A  GLN*     3.7    15.0    -      -       -      +
    105A  SER      3.1     0.6    -      -       -      -
    106A  GLU*     1.3    78.0    -      -       -      +
    108A  ASP*     1.3    65.5    +      -       -      +
    110A  ALA*     3.2     3.1    +      -       +      +
    111A  ASN*     2.9    38.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 108 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    104A  GLN*     2.9    42.1    +      -       -      +
    105A  SER*     3.4    12.0    +      -       -      +
    107A  ILE*     1.3    76.5    -      -       -      +
    109A  ASP*     1.3    60.4    +      -       -      +
    111A  ASN*     3.3     8.0    +      -       -      +
    112A  GLU*     2.9    30.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 109 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87A  LYS*     2.9    37.7    +      -       -      +
    105A  SER*     2.9    22.2    +      -       -      +
    106A  GLU*     3.6     9.9    -      -       -      +
    108A  ASP*     1.3    77.0    -      -       -      +
    110A  ALA*     1.3    66.0    +      -       -      +
    112A  GLU*     3.1    17.6    +      -       -      +
    113A  LEU*     3.0    29.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 110 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34A  ALA*     5.3     1.1    -      -       +      -
     84A  VAL*     4.2    12.0    -      -       +      +
     87A  LYS*     4.1    17.6    -      -       +      +
     88A  ILE*     4.5    10.5    -      -       +      -
    106A  GLU      3.0    14.6    +      -       -      +
    107A  ILE*     3.5    13.0    -      -       +      +
    109A  ASP*     1.3    75.7    -      -       -      +
    111A  ASN*     1.3    56.8    +      -       -      +
    113A  LEU*     3.1    11.2    +      -       -      +
    114A  MET*     2.9    44.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASN 111 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  ILE*     6.0     0.2    -      -       -      +
     34A  ALA*     4.8     8.2    -      -       -      +
     37A  ARG*     2.9    37.6    +      -       -      +
    107A  ILE*     2.9    40.9    +      -       -      +
    108A  ASP*     3.7     8.2    +      -       -      +
    110A  ALA*     1.3    73.5    -      -       -      +
    112A  GLU*     1.3    60.6    +      -       -      +
    114A  MET*     3.7     7.7    -      -       -      +
    115A  ASP*     2.8    36.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 112 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    108A  ASP      2.9    14.0    +      -       -      +
    109A  ASP*     3.1    21.6    +      -       -      +
    111A  ASN*     1.3    75.0    -      -       -      +
    113A  LEU*     1.3    63.4    +      -       +      +
    115A  ASP*     3.2    13.8    +      -       +      +
    116A  SER*     3.2    25.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 113 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     79A  LYS      4.0    20.0    -      -       -      +
     80A  TYR*     3.6    32.6    -      -       +      +
     83A  PRO*     4.1    23.3    -      -       +      -
     84A  VAL*     4.1    11.7    -      -       +      -
     87A  LYS*     4.4    22.7    -      -       +      -
    109A  ASP*     3.0    18.6    +      -       +      +
    110A  ALA*     3.4     6.5    -      -       -      +
    112A  GLU*     1.3    78.7    -      -       +      +
    114A  MET*     1.3    62.2    +      -       -      +
    116A  SER*     3.2     8.8    +      -       -      -
    117A  TYR*     3.0    18.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 114 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34A  ALA*     3.9    20.9    -      -       +      +
     37A  ARG*     3.6    29.5    +      -       -      +
     38A  LYS*     3.7    33.9    -      -       -      -
     41A  ILE*     3.5    20.2    -      -       +      +
     80A  TYR      5.0     0.2    -      -       -      -
     81A  LEU*     5.5     0.7    -      -       +      -
     84A  VAL*     4.1    25.4    -      -       +      -
    110A  ALA*     2.9    29.5    +      -       +      +
    111A  ASN*     3.7    20.0    -      -       -      +
    113A  LEU*     1.3    78.3    -      -       -      +
    115A  ASP*     1.3    61.5    +      -       -      +
    117A  TYR*     3.2     7.6    +      -       -      +
    118A  GLU*     2.9    26.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 115 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37A  ARG*     2.7    31.7    +      -       -      +
    111A  ASN*     2.8    27.7    +      -       -      +
    112A  GLU*     3.2    15.7    +      -       +      +
    114A  MET*     1.3    72.4    -      -       -      +
    116A  SER*     1.3    56.6    +      -       -      +
    118A  GLU*     3.4     6.2    +      -       -      +
    119A  GLN*     2.9    29.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 116 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     80A  TYR*     3.6    36.2    -      -       -      -
    112A  GLU*     3.2    11.1    +      -       -      +
    113A  LEU*     3.2    10.6    +      -       -      +
    115A  ASP*     1.3    75.2    -      -       -      +
    117A  TYR*     1.3    66.3    +      -       -      +
    119A  GLN*     3.0     9.0    +      -       -      +
    120A  SER*     2.8    24.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 117 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41A  ILE*     3.6    42.7    +      -       +      -
     42A  GLU*     5.5     1.6    +      -       -      -
     44A  LEU*     4.5     2.7    -      -       +      -
     46A  PHE*     3.4    33.7    -      +       -      -
     73A  ASN*     5.1     0.4    -      -       -      -
     76A  SER*     4.1    18.4    -      -       -      -
     77A  THR*     3.7    34.4    +      -       -      +
     80A  TYR*     4.1    11.3    -      -       +      +
     81A  LEU*     3.9    29.4    -      -       +      +
    113A  LEU      3.0    13.0    +      -       -      +
    114A  MET*     3.6    11.0    -      -       -      +
    116A  SER*     1.3    74.2    -      -       -      +
    118A  GLU*     1.3    63.8    +      -       -      +
    120A  SER*     2.8    26.1    +      -       -      -
    121A  TYR*     3.1     7.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 118 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37A  ARG*     3.5    32.5    +      -       -      +
     41A  ILE*     3.8    22.2    -      -       +      +
     44A  LEU*     4.4    11.4    -      -       +      -
    114A  MET      2.9    14.7    +      -       -      +
    115A  ASP*     3.5    10.3    -      -       -      +
    117A  TYR*     1.3    72.7    -      -       -      +
    119A  GLN*     1.3    63.7    +      -       -      +
    121A  TYR*     3.1    12.0    +      -       +      +
    122A  GLN*     3.1    25.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 119 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    115A  ASP      2.9    18.3    +      -       -      +
    116A  SER*     3.5     8.5    -      -       -      +
    118A  GLU*     1.3    76.5    -      -       -      +
    120A  SER*     1.3    57.5    +      -       -      +
    122A  GLN*     3.2    17.2    +      -       -      +
    123A  GLN*     2.9    44.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 120 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     46A  PHE*     4.0    13.2    -      -       -      -
     73A  ASN*     5.2     1.0    +      -       -      -
     76A  SER*     3.8    26.3    +      -       -      -
     80A  TYR*     5.1     5.2    -      -       -      -
    116A  SER      2.8    16.3    +      -       -      -
    117A  TYR*     2.8    18.6    +      -       -      -
    119A  GLN*     1.3    73.3    -      -       -      +
    121A  TYR*     1.3    62.2    +      -       -      +
    123A  GLN*     3.6     9.0    +      -       -      +
    124A  GLN*     3.3    25.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 121 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44A  LEU*     4.0    31.6    -      -       +      -
     45A  PRO*     3.2    50.6    +      -       +      +
     46A  PHE*     3.6    37.9    -      +       +      -
     49A  ASN*     4.7     3.5    -      -       +      +
    117A  TYR      3.1     3.0    +      -       -      +
    118A  GLU*     3.1    10.9    +      -       +      +
    120A  SER*     1.3    80.5    +      -       -      +
    122A  GLN*     1.3    72.4    +      -       -      +
    124A  GLN*     2.8    24.8    +      -       +      +
    125A  LEU*     3.0    50.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 122 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    118A  GLU*     3.1    17.4    +      -       +      +
    119A  GLN*     3.2    25.3    +      -       -      +
    121A  TYR*     1.3    93.7    -      -       -      +
    123A  GLN*     1.3    63.0    +      -       -      +
    125A  LEU*     3.3    22.5    +      -       -      +
    126A  GLU*     3.2    23.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 123 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    119A  GLN*     2.9    30.3    +      -       +      +
    120A  SER*     3.7    10.1    -      -       -      +
    122A  GLN*     1.3    77.4    -      -       -      +
    124A  GLN*     1.3    57.3    +      -       +      +
    126A  GLU*     3.8    21.3    +      -       -      +
    127A  ASP*     3.0    62.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 124 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     46A  PHE*     3.6    12.3    -      -       +      +
     49A  ASN*     3.1    17.8    -      -       -      +
     50A  LEU*     4.0    10.9    -      -       -      +
     69A  MET*     3.3    50.8    +      -       +      +
     72A  ASP*     4.4     8.5    +      -       -      +
     73A  ASN*     3.0    36.5    +      -       -      +
    120A  SER      3.3    13.9    +      -       -      +
    121A  TYR*     2.8    12.3    +      -       +      +
    123A  GLN*     1.3    78.3    -      -       +      +
    125A  LEU*     1.3    65.2    +      -       -      +
    126A  GLU      3.0     1.3    -      -       -      -
    127A  ASP*     5.0     2.7    -      -       -      +
    128A  VAL*     3.1    21.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 125 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49A  ASN*     3.6    28.4    +      -       +      +
    121A  TYR*     3.0    55.4    +      -       +      +
    122A  GLN*     3.3    24.9    +      -       -      +
    124A  GLN*     1.3    74.4    -      -       -      +
    126A  GLU*     1.3    58.4    +      -       -      +
    128A  VAL*     4.0     0.9    -      -       -      +
    129A  ASN*     2.8    43.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 126 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    122A  GLN      3.2    14.3    +      -       -      +
    123A  GLN*     3.8    23.5    +      -       -      +
    124A  GLN      3.0     0.4    -      -       -      -
    125A  LEU*     1.3    78.0    -      -       +      +
    127A  ASP*     1.3    66.0    +      -       -      +
    128A  VAL      3.2     0.2    +      -       -      -
    129A  ASN*     3.3     8.5    +      -       +      +
    130A  GLU*     3.0    24.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 127 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  LYS*     6.4     0.7    -      -       +      -
     69A  MET*     3.8    29.9    -      -       +      +
    123A  GLN*     3.0    47.8    +      -       -      +
    124A  GLN*     3.9     2.0    -      -       -      +
    126A  GLU*     1.3    77.0    -      -       -      +
    128A  VAL*     1.3    58.9    +      -       -      +
    130A  GLU*     3.5    17.1    -      -       -      +
    131A  ILE*     3.5    28.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 128 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49A  ASN*     3.6    22.7    -      -       -      +
     50A  LEU*     4.1    11.4    -      -       +      -
     52A  GLN*     3.7    26.0    -      -       +      +
     53A  LEU*     4.1    21.5    -      -       +      -
     69A  MET*     3.8    19.5    -      -       +      -
    124A  GLN      3.1    17.9    +      -       -      +
    125A  LEU      4.1     0.9    -      -       -      +
    127A  ASP*     1.3    74.7    -      -       -      +
    129A  ASN*     1.3    66.1    +      -       -      +
    130A  GLU      3.1     1.6    -      -       -      -
    131A  ILE*     3.0     8.3    +      -       -      +
    132A  ILE*     2.9    31.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASN 129 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49A  ASN*     5.6     1.0    +      -       -      -
     52A  GLN*     5.1     4.7    +      -       -      +
    125A  LEU*     2.8    35.5    +      -       -      +
    126A  GLU*     3.6     7.8    -      -       +      +
    128A  VAL*     1.3    77.2    -      -       -      +
    130A  GLU*     1.3    63.2    +      -       -      +
    132A  ILE*     3.3    18.0    +      -       -      +
    133A  ALA*     2.9    25.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 130 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    126A  GLU*     3.0    12.8    +      -       +      +
    127A  ASP*     3.5    21.7    -      -       -      +
    128A  VAL      3.1     0.2    -      -       -      -
    129A  ASN*     1.3    75.0    -      -       -      +
    131A  ILE*     1.3    60.3    +      -       +      +
    133A  ALA*     3.1     8.8    +      -       +      +
    134A  LEU*     2.9    44.2    +      -       +      +
    193A  TYR*     6.3     0.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 131 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53A  LEU*     3.6    35.2    -      -       +      -
     56A  LEU*     4.2     2.9    -      -       +      -
     62A  THR*     5.0     3.4    -      -       +      +
     65A  LYS*     4.2    21.1    -      -       +      -
     69A  MET*     5.2     3.4    -      -       -      -
    127A  ASP*     3.5    18.6    -      -       +      +
    128A  VAL*     3.0     7.7    +      -       -      +
    130A  GLU*     1.3    75.2    -      -       +      +
    132A  ILE*     1.3    66.0    +      -       -      +
    134A  LEU*     3.2     6.8    +      -       -      +
    135A  TYR*     3.1    44.5    +      -       +      -
    193A  TYR*     3.6    40.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 132 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     52A  GLN*     3.9    31.4    -      -       +      +
     53A  LEU*     5.4     0.7    -      -       +      -
     56A  LEU*     4.6    23.3    -      -       +      -
    128A  VAL*     2.9    31.3    +      -       +      +
    129A  ASN*     3.6    17.3    -      -       -      +
    131A  ILE*     1.3    75.8    -      -       +      +
    133A  ALA*     1.3    62.3    +      -       -      +
    135A  TYR*     3.3     4.8    +      -       -      +
    136A  LYS*     3.1    26.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 133 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    129A  ASN      2.9    17.4    +      -       -      +
    130A  GLU*     3.1     8.9    +      -       -      +
    132A  ILE*     1.3    78.6    -      -       -      +
    134A  LEU*     1.3    58.3    +      -       +      +
    136A  LYS*     3.5     9.6    +      -       +      +
    137A  ASP*     2.9    39.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 134 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130A  GLU*     2.9    32.7    +      -       +      +
    131A  ILE      3.2     7.6    +      -       -      +
    133A  ALA*     1.3    77.4    -      -       +      +
    135A  TYR*     1.3    59.8    +      -       -      +
    137A  ASP*     4.4     4.5    -      -       +      +
    138A  ASN*     2.8    40.6    +      -       -      +
    193A  TYR*     3.8    35.9    -      -       +      +
    194A  VAL*     5.3     3.8    -      -       +      -
    197A  HIS*     3.8    38.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 135 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56A  LEU*     3.8    46.0    -      -       +      -
     57A  ASN*     3.5    29.1    +      -       -      -
     62A  THR*     2.7    26.3    +      -       +      -
    131A  ILE*     3.1    28.5    +      -       +      +
    132A  ILE      3.7     7.4    -      -       -      +
    134A  LEU*     1.3    76.9    -      -       -      +
    136A  LYS*     1.3    62.8    +      -       -      +
    138A  ASN*     3.7     6.7    -      -       -      +
    139A  ASP*     3.1    30.2    +      -       -      +
    188A  LYS*     4.7    23.3    -      -       +      -
    191A  GLY*     3.6    10.2    -      -       -      -
    193A  TYR*     3.5    28.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 136 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    132A  ILE*     3.1    18.7    +      -       +      +
    133A  ALA*     3.6     9.2    -      -       +      +
    135A  TYR*     1.3    78.2    -      -       -      +
    137A  ASP*     1.3    70.8    +      -       -      +
    139A  ASP*     3.4     6.7    +      -       -      +
    140A  GLU*     3.0    49.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 137 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    133A  ALA*     2.9    23.0    +      -       -      +
    134A  LEU*     4.4     5.2    -      -       +      +
    136A  LYS*     1.3    90.6    -      -       -      +
    138A  ASN*     1.3    61.4    +      -       -      +
    140A  GLU*     3.1    21.8    +      -       -      +
    141A  LEU*     3.0    36.5    +      -       +      +
    197A  HIS*     5.2     9.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 138 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134A  LEU*     2.8    27.9    +      -       -      +
    135A  TYR*     3.7     7.2    -      -       -      +
    137A  ASP*     1.3    74.2    -      -       -      +
    139A  ASP*     1.3    61.2    +      -       -      +
    141A  LEU*     3.4     3.2    +      -       -      +
    142A  TYR*     3.0    19.2    +      -       -      +
    184A  TYR*     3.3    23.8    +      -       +      +
    193A  TYR*     3.1    31.5    +      -       -      +
    196A  ALA*     3.7    10.6    -      -       -      +
    197A  HIS*     2.8    45.0    +      -       -      +
    200A  ILE*     4.3     7.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 139 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    135A  TYR*     3.1    17.6    +      -       -      +
    136A  LYS*     3.8     5.8    -      -       -      +
    137A  ASP      3.3     0.2    -      -       -      -
    138A  ASN*     1.3    76.7    -      -       -      +
    140A  GLU*     1.3    65.8    +      -       -      +
    142A  TYR*     3.7     5.8    -      -       -      +
    143A  ASP*     3.0    34.4    +      -       -      +
    184A  TYR*     2.5    30.6    +      -       -      -
    188A  LYS*     3.1    31.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 140 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    136A  LYS*     3.0    42.7    +      -       +      +
    137A  ASP*     3.1    25.5    +      -       -      +
    139A  ASP*     1.3    76.8    -      -       -      +
    141A  LEU*     1.3    63.6    +      -       +      +
    143A  ASP*     3.4     7.5    +      -       -      +
    144A  LYS*     3.2    21.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 141 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    137A  ASP*     3.0    18.8    +      -       +      +
    138A  ASN      3.4     4.0    +      -       -      +
    140A  GLU*     1.3    74.7    -      -       +      +
    142A  TYR*     1.3    67.0    +      -       -      +
    144A  LYS*     3.1     8.8    +      -       +      +
    145A  CYS*     2.9    26.9    +      -       -      -
    197A  HIS*     4.3    22.4    -      -       +      +
    200A  ILE*     3.8    30.3    -      -       +      +
    201A  ALA*     4.4    11.2    -      -       +      +
    204A  ASN*     3.5    35.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 142 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    138A  ASN      3.0    16.4    +      -       -      +
    139A  ASP*     3.7     7.9    -      -       -      +
    140A  GLU      3.3     0.2    -      -       -      -
    141A  LEU*     1.3    78.4    -      -       -      +
    143A  ASP*     1.3    75.2    +      -       -      +
    145A  CYS*     3.1     2.3    +      -       -      -
    146A  LYS*     2.9    53.6    +      -       +      +
    181A  LEU*     3.8    40.6    -      -       +      +
    184A  TYR*     3.4    39.7    -      +       +      -
    185A  GLU*     3.3    33.9    +      -       +      +
    200A  ILE*     3.8    12.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 143 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    139A  ASP*     3.0    27.1    +      -       -      +
    140A  GLU*     3.8     6.9    -      -       -      +
    141A  LEU      3.3     0.2    -      -       -      -
    142A  TYR*     1.3    89.6    -      -       -      +
    144A  LYS*     1.3    61.1    +      -       -      +
    146A  LYS*     3.5    20.9    +      -       -      +
    147A  VAL*     3.3    29.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 144 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    140A  GLU      3.2    11.9    +      -       -      +
    141A  LEU*     3.1    12.5    +      -       +      +
    142A  TYR      3.1     0.4    -      -       -      -
    143A  ASP*     1.3    79.1    -      -       -      +
    145A  CYS*     1.3    56.9    +      -       -      +
    147A  VAL*     3.4     6.0    +      -       -      +
    148A  ASP*     3.0    58.4    +      -       -      +
    204A  ASN*     3.3    28.5    +      -       -      +
    208A  LYS*     4.3    11.1    -      -       -      +
    211A  ARG*     3.8    12.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 145 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    141A  LEU      2.9    20.1    +      -       -      +
    142A  TYR      3.1     4.5    +      -       -      +
    144A  LYS*     1.3    73.7    -      -       -      +
    146A  LYS*     1.3    66.3    +      -       -      +
    148A  ASP*     4.4     2.0    -      -       -      -
    149A  TYR*     3.0    25.6    +      -       -      +
    181A  LEU*     3.9    17.2    -      -       +      +
    200A  ILE*     4.1     9.9    -      -       +      -
    203A  LEU*     4.0    11.7    -      -       +      -
    204A  ASN*     3.8    43.1    -      -       -      -
    207A  MET*     3.3    18.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 146 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    142A  TYR*     2.9    59.1    +      -       +      +
    143A  ASP*     3.7    22.4    +      -       -      +
    145A  CYS*     1.3    76.2    -      -       -      +
    147A  VAL*     1.3    65.9    +      -       +      +
    149A  TYR*     3.4     2.5    +      -       -      +
    150A  ARG*     3.1    60.3    +      -       -      +
    181A  LEU*     4.1    17.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 147 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143A  ASP*     3.3    16.7    +      -       +      +
    144A  LYS*     3.7     8.3    -      -       -      +
    145A  CYS      3.2     0.4    -      -       -      -
    146A  LYS*     1.3    79.5    -      -       +      +
    148A  ASP*     1.3    62.1    +      -       -      +
    150A  ARG*     3.4    18.3    +      -       -      +
    151A  GLU*     3.0    44.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 148 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    144A  LYS*     3.0    53.6    +      -       -      +
    145A  CYS*     4.4     1.1    -      -       -      -
    147A  VAL*     1.3    76.4    -      -       -      +
    149A  TYR*     1.3    59.6    +      -       -      +
    151A  GLU*     3.2    14.8    +      -       -      +
    152A  MET*     2.9    34.3    +      -       -      +
    204A  ASN*     4.1     4.3    -      -       -      +
    207A  MET*     3.7    17.6    -      -       +      +
    211A  ARG*     3.4    32.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 149 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    145A  CYS      3.0    18.6    +      -       -      +
    146A  LYS*     3.5     5.8    -      -       -      +
    148A  ASP*     1.3    71.5    -      -       -      +
    150A  ARG*     1.3    79.0    +      -       -      +
    152A  MET*     3.3     4.7    +      -       -      +
    153A  LYS*     2.9    58.5    +      -       +      +
    174A  ILE*     3.4    39.9    -      -       +      -
    175A  GLU*     4.7     4.8    -      -       -      -
    177A  PHE*     4.1    11.2    -      -       +      -
    178A  GLU*     3.5    45.5    +      -       +      +
    181A  LEU*     4.2    19.7    -      -       +      -
    207A  MET*     3.1    14.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 150 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    146A  LYS*     3.1    53.1    +      -       -      +
    147A  VAL*     3.4    19.6    -      -       -      +
    149A  TYR*     1.3    94.6    -      -       +      +
    151A  GLU*     1.3    61.7    +      -       +      +
    153A  LYS*     3.5     9.6    +      -       +      +
    154A  ARG*     3.1    24.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 151 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    147A  VAL*     3.0    33.3    +      -       -      +
    148A  ASP*     3.8    14.2    -      -       -      +
    149A  TYR      3.2     0.2    -      -       -      -
    150A  ARG*     1.3    76.4    -      -       +      +
    152A  MET*     1.3    58.4    +      -       +      +
    154A  ARG*     3.4     9.8    +      -       -      +
    155A  ASP*     2.9    29.4    +      -       -      +
    211A  ARG*     5.9     4.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with MET 152 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    148A  ASP      2.9    21.7    +      -       -      +
    149A  TYR      3.8     2.7    -      -       -      +
    151A  GLU*     1.3    74.0    -      -       -      +
    153A  LYS*     1.3    64.3    +      -       -      +
    155A  ASP*     3.1     7.4    +      -       -      +
    156A  VAL*     3.1    27.9    +      -       -      +
    174A  ILE*     3.9    19.9    -      -       +      +
    177A  PHE*     3.6    18.4    -      -       +      -
    207A  MET*     4.3    10.1    -      -       -      +
    210A  LEU*     3.6    40.2    -      -       +      -
    211A  ARG*     3.4    44.2    -      -       +      -
    214A  MET*     4.0    14.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 153 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    149A  TYR*     2.9    49.8    +      -       +      +
    150A  ARG*     3.7     9.6    -      -       +      +
    152A  MET*     1.3    75.3    -      -       -      +
    154A  ARG*     1.3    57.6    +      -       -      +
    156A  VAL*     3.8     3.1    +      -       -      +
    157A  LEU*     3.1    54.0    +      -       +      +
    174A  ILE*     4.0    18.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 154 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    150A  ARG      3.1    17.7    +      -       -      +
    151A  GLU*     3.7     8.2    +      -       -      +
    153A  LYS*     1.3    76.5    -      -       -      +
    155A  ASP*     1.3    64.4    +      -       -      +
    157A  LEU*     4.1     6.0    -      -       +      +
    158A  ALA*     2.9    49.7    +      -       +      +
    159A  ASN*     3.8    23.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 155 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    151A  GLU      2.9    17.2    +      -       -      +
    152A  MET*     3.1     6.7    +      -       -      +
    154A  ARG*     1.3    79.8    +      -       -      +
    156A  VAL*     1.3    58.4    +      -       -      +
    159A  ASN*     2.8    50.5    +      -       -      +
    162A  GLN*     4.5     3.1    -      -       -      +
    163A  PHE*     4.0    12.4    -      -       -      -
    214A  MET*     3.8    21.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 156 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    152A  MET      3.1     8.0    +      -       -      +
    153A  LYS*     4.0     4.7    -      -       -      +
    155A  ASP*     1.3    76.9    -      -       -      +
    157A  LEU*     1.3    68.6    +      -       +      +
    160A  ARG*     3.0    34.3    +      -       -      +
    163A  PHE*     4.4    11.7    -      -       +      -
    167A  ALA*     4.6     7.6    -      -       +      +
    170A  LEU*     4.1    18.2    -      -       +      -
    171A  GLU*     4.1    33.7    -      -       +      -
    174A  ILE*     3.7    28.5    -      -       +      -
    214A  MET*     4.1    11.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 157 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    153A  LYS*     3.1    50.2    +      -       +      +
    154A  ARG*     3.3     6.5    +      -       +      +
    156A  VAL*     1.3    81.5    -      -       +      +
    158A  ALA*     1.3    58.2    +      -       +      +
    160A  ARG*     4.8     5.1    +      -       -      +
    171A  GLU*     3.2    29.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 158 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    154A  ARG*     2.9    46.7    +      -       +      +
    157A  LEU*     1.3    80.9    -      -       +      +
    159A  ASN*     1.3    67.0    +      -       -      +
    160A  ARG*     3.6     2.0    -      -       -      -
    161A  HIS*     4.2     8.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 159 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    154A  ARG*     3.8    20.8    -      -       -      +
    155A  ASP*     2.8    33.8    +      -       -      +
    156A  VAL      3.6     3.4    -      -       -      -
    158A  ALA*     1.3    84.0    -      -       -      +
    160A  ARG*     1.3    66.2    +      -       -      +
    161A  HIS*     3.5    15.9    +      -       -      -
    162A  GLN*     3.2    30.3    +      -       +      +
    163A  PHE*     3.2    16.4    -      -       +      -
----------------------------------------------------------
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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