Contacts of the helix formed by residues 82 - 111 (chain W) in PDB entry 3IS7


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 ASN 82 (chain W).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     35W  TRP*     4.1     7.4    -      -       -      -
     80W  GLY      3.7     0.2    -      -       -      -
     81W  GLU*     1.3    80.3    -      -       -      +
     83W  THR*     1.3    66.5    +      -       -      +
     84W  GLN*     3.3    10.7    +      -       -      +
     85W  GLU*     3.1    41.8    +      -       -      +
     86W  MET*     2.9    28.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 83 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32W  TRP*     2.9    35.0    +      -       +      +
     35W  TRP*     4.4     3.8    -      -       -      -
     37W  LEU*     3.8     5.7    -      -       -      +
     40W  LEU*     3.9    13.0    -      -       +      -
     82W  ASN*     1.3    74.2    -      -       -      +
     84W  GLN*     1.3    65.3    +      -       -      +
     86W  MET*     3.1     3.8    +      -       -      +
     87W  LEU*     2.9    41.9    +      -       +      +
    141W  ILE*     5.0     2.2    -      -       +      -
    146W  LEU*     5.4     3.4    -      -       +      -
    149W  TYR*     4.3     5.8    -      -       +      -
    150W  LEU*     3.7    32.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 84 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     82W  ASN*     3.3     8.7    +      -       -      +
     83W  THR*     1.3    79.6    -      -       -      +
     85W  GLU*     1.3    58.6    +      -       +      +
     87W  LEU*     3.5     2.4    +      -       -      +
     88W  GLN*     3.1    26.8    +      -       +      +
    138W  LEU*     4.0    26.7    +      -       +      +
    141W  ILE*     3.8    29.6    -      -       +      +
    142W  GLN*     3.5    25.4    +      -       -      +
    146W  LEU*     4.7    16.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 85 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     80W  GLY*     4.1     4.8    -      -       -      -
     81W  GLU*     3.2    37.3    +      -       -      +
     82W  ASN*     3.1    36.6    +      -       -      +
     84W  GLN*     1.3    76.3    -      -       +      +
     86W  MET*     1.3    61.4    +      -       -      +
     88W  GLN*     3.7     5.5    -      -       -      +
     89W  CYS*     2.8    36.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with MET 86 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28W  HIS*     3.5    60.3    -      -       +      +
     31W  MET*     4.0    17.9    -      -       +      -
     32W  TRP*     3.4    39.3    -      -       +      +
     35W  TRP*     3.5    25.4    -      -       +      -
     80W  GLY*     3.8    13.7    -      -       -      -
     82W  ASN*     2.9    26.1    +      -       -      +
     83W  THR      3.1     0.2    +      -       -      -
     85W  GLU*     1.3    74.7    -      -       -      +
     87W  LEU*     1.3    66.6    +      -       -      +
     89W  CYS*     3.2     1.9    +      -       -      +
     90W  ASP*     3.0    27.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 87 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32W  TRP*     4.0    20.4    -      -       +      -
     40W  LEU*     4.7     5.2    -      -       +      -
     44W  GLU*     5.8     0.4    -      -       -      +
     83W  THR*     2.9    34.8    +      -       +      +
     84W  GLN      3.9     0.2    -      -       -      +
     86W  MET*     1.3    78.4    -      -       -      +
     88W  GLN*     1.3    56.5    +      -       -      +
     90W  ASP*     3.3     7.5    +      -       -      +
     91W  LEU*     2.8    27.3    +      -       -      +
    133W  TYR*     4.6     6.1    -      -       +      -
    134W  LEU*     3.7    27.5    -      -       +      +
    137W  GLN*     4.1    24.0    -      -       +      -
    138W  LEU*     3.8    21.1    -      -       +      -
    141W  ILE*     4.0    21.8    -      -       +      -
    149W  TYR*     4.3     4.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 88 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     84W  GLN      3.1    17.8    +      -       -      +
     85W  GLU*     3.8     6.3    -      -       -      +
     87W  LEU*     1.3    78.1    -      -       -      +
     89W  CYS*     1.3    52.0    +      -       -      +
     91W  LEU*     3.0    22.1    +      -       -      +
     92W  ASN*     2.7    63.8    +      -       -      +
     95W  LEU*     5.6     1.4    -      -       -      +
    138W  LEU*     4.0    19.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 89 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24W  GLN*     3.2     9.7    +      -       -      +
     28W  HIS*     4.2     2.2    -      -       +      -
     78W  LEU*     3.3    42.9    -      -       +      +
     79W  ILE      4.0     3.1    -      -       -      -
     80W  GLY*     3.9    15.7    -      -       -      -
     85W  GLU*     2.8    30.0    +      -       -      +
     86W  MET      3.6     4.7    -      -       -      +
     88W  GLN*     1.3    70.5    -      -       -      +
     90W  ASP*     1.3    61.2    +      -       -      +
     92W  ASN*     3.7    11.2    -      -       -      +
     93W  LEU*     2.9    25.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 90 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24W  GLN*     3.0    15.4    +      -       -      +
     25W  TYR*     3.3    20.1    -      -       +      -
     28W  HIS*     3.0    21.9    +      -       -      -
     32W  TRP*     4.7     5.2    -      -       -      -
     44W  GLU*     2.5    32.6    -      -       -      +
     86W  MET      3.0    14.3    +      -       -      +
     87W  LEU*     3.4     8.2    -      -       -      +
     89W  CYS*     1.3    72.4    -      -       -      +
     91W  LEU*     1.3    66.2    +      -       -      +
     93W  LEU*     3.4     1.6    +      -       -      +
     94W  GLU*     2.9    27.7    +      -       -      +
    130W  HIS*     4.5     1.3    -      -       +      -
    134W  LEU*     3.9    23.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 91 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87W  LEU      2.8    18.1    +      -       -      +
     88W  GLN*     3.0    25.3    +      -       -      +
     90W  ASP*     1.3    72.9    -      -       -      +
     92W  ASN*     1.3    64.3    +      -       -      +
     94W  GLU*     3.0     2.8    +      -       -      -
     95W  LEU*     2.9    45.1    +      -       +      +
    131W  ILE*     4.0    36.1    -      -       +      -
    134W  LEU*     4.0    15.6    -      -       +      +
    135W  GLU*     4.2    21.8    -      -       +      +
    138W  LEU*     4.1    20.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 92 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     78W  LEU*     4.1    14.7    -      -       +      +
     88W  GLN*     2.7    54.3    +      -       -      +
     89W  CYS*     3.7     9.6    -      -       -      +
     91W  LEU*     1.3    73.9    -      -       -      +
     93W  LEU*     1.3    64.6    +      -       -      +
     95W  LEU*     3.2    19.1    +      -       -      +
     96W  LYS*     3.3    14.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 93 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17W  ASN*     5.0     6.7    -      -       +      +
     20W  ILE*     3.9    24.2    -      -       +      -
     21W  ALA*     3.6    39.9    -      -       +      +
     24W  GLN*     3.7    24.7    -      -       -      +
     25W  TYR*     3.9    10.8    -      -       +      +
     76W  LYS      5.1     1.3    -      -       -      +
     78W  LEU*     4.1    13.4    -      -       +      +
     89W  CYS      2.9    16.9    +      -       -      +
     90W  ASP      3.6     4.3    -      -       -      +
     92W  ASN*     1.3    77.7    -      -       -      +
     94W  GLU*     1.3    56.8    +      -       -      +
     95W  LEU      3.4     0.2    +      -       -      -
     96W  LYS*     3.4    12.8    +      -       +      +
     97W  ALA*     3.0    28.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 94 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25W  TYR*     2.6    27.8    +      -       -      +
     51W  GLU*     3.3     6.4    -      -       -      +
     90W  ASP      2.9    17.3    +      -       -      +
     91W  LEU*     3.0     4.0    +      -       -      +
     93W  LEU*     1.3    76.4    -      -       -      +
     95W  LEU*     1.3    56.9    +      -       -      +
     97W  ALA*     3.5     6.9    -      -       -      +
     98W  THR*     3.0    32.4    +      -       -      -
    127W  GLU*     2.6    44.6    -      -       -      +
    130W  HIS*     2.7    31.4    +      -       +      +
    131W  ILE*     3.6    24.0    -      -       +      +
    134W  LEU*     4.3     5.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 95 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     88W  GLN*     5.6     1.1    -      -       -      +
     91W  LEU*     2.9    41.1    +      -       +      +
     92W  ASN*     3.2    13.0    +      -       -      +
     94W  GLU*     1.3    76.7    -      -       -      +
     96W  LYS*     1.3    62.1    +      -       -      +
     98W  THR*     3.4    11.6    -      -       +      +
     99W  LYS*     3.2    22.2    +      -       -      +
    131W  ILE*     4.3    20.9    -      -       +      -
    135W  GLU*     5.7     2.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 96 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13W  LYS*     4.7     8.5    -      -       -      +
     17W  ASN*     4.5    12.8    +      -       -      +
     92W  ASN      3.3    10.0    +      -       -      +
     93W  LEU*     3.7    16.2    -      -       +      +
     95W  LEU*     1.3    77.6    -      -       -      +
     97W  ALA*     1.3    67.2    +      -       -      +
     99W  LYS*     3.3    13.2    +      -       +      +
    100W  ASP*     2.8    56.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 97 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14W  ILE*     4.7     0.7    -      -       -      +
     17W  ASN*     4.1    24.9    +      -       +      +
     18W  GLU*     5.8     2.0    -      -       -      +
     93W  LEU*     3.0    20.4    +      -       +      +
     94W  GLU*     3.3    18.8    +      -       -      +
     96W  LYS*     1.3    75.8    -      -       -      +
     98W  THR*     1.3    57.7    +      -       -      +
    100W  ASP*     3.3     4.5    +      -       -      +
    101W  LEU*     3.0    39.3    +      -       +      +
    127W  GLU*     5.1     6.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 98 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     94W  GLU      3.0    14.9    +      -       -      +
     95W  LEU*     3.4    20.0    -      -       +      +
     97W  ALA*     1.3    74.6    -      -       -      +
     99W  LYS*     1.3    66.1    +      -       -      +
    101W  LEU*     3.3     9.3    +      -       -      +
    102W  ARG*     3.0    51.0    +      -       -      +
    124W  LEU*     3.2    19.9    -      -       -      +
    127W  GLU*     4.3     8.3    -      -       -      +
    128W  GLU*     4.4     2.4    -      -       -      +
    131W  ILE*     4.0    17.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 99 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     95W  LEU      3.2     9.3    +      -       -      +
     96W  LYS*     3.5    16.2    -      -       +      +
     98W  THR*     1.3    85.0    -      -       +      +
    100W  ASP*     1.3    69.1    +      -       -      +
    102W  ARG*     3.3     9.0    +      -       -      +
    103W  GLU*     3.2    41.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 100 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10W  HIS*     4.7     2.8    +      -       -      -
     13W  LYS*     3.9    25.5    +      -       +      +
     14W  ILE*     3.5    15.8    -      -       +      +
     17W  ASN*     2.8    33.0    +      -       -      +
     96W  LYS*     2.8    41.5    +      -       -      +
     97W  ALA      3.7     3.1    -      -       -      +
     99W  LYS*     1.3    82.7    -      -       -      +
    101W  LEU*     1.3    59.7    +      -       -      +
    103W  GLU*     3.5    16.0    +      -       -      +
    104W  ALA*     3.0    24.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 101 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14W  ILE*     3.5    36.3    -      -       +      +
     18W  GLU*     5.3     1.3    -      -       -      +
     97W  ALA*     3.0    27.5    +      -       +      +
     98W  THR*     3.4    11.2    -      -       -      +
    100W  ASP*     1.3    73.8    -      -       -      +
    102W  ARG*     1.3    61.1    +      -       -      +
    104W  ALA*     3.2     2.8    +      -       -      +
    105W  ILE*     2.8    37.2    +      -       +      +
    120W  LEU*     3.9    28.5    -      -       +      +
    123W  ILE*     4.3     9.4    -      -       +      -
    124W  LEU*     4.1    25.8    -      -       +      -
    127W  GLU*     3.9    26.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 102 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    111H  VAL      5.4     0.4    -      -       -      -
    112H  HIS*     2.8    44.9    +      -       +      +
    113H  ASP*     4.2     8.3    +      -       -      +
    114H  TYR*     4.0    16.0    -      -       +      +
     98W  THR*     3.0    41.5    +      -       -      +
     99W  LYS*     3.7     8.9    -      -       -      +
    101W  LEU*     1.3    77.6    -      -       -      +
    103W  GLU*     1.3    62.7    +      -       +      +
    105W  ILE*     3.2     3.7    +      -       -      +
    106W  VAL*     3.0    27.0    +      -       -      +
    124W  LEU*     3.7    19.8    -      -       +      +
    128W  GLU*     2.9    31.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 103 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10W  HIS*     4.1    16.2    +      -       +      -
     13W  LYS*     4.8     8.3    +      -       -      -
     99W  LYS*     3.2    36.1    +      -       +      +
    100W  ASP*     3.9    16.4    -      -       -      +
    101W  LEU      3.2     0.2    -      -       -      -
    102W  ARG*     1.3    77.2    -      -       +      +
    104W  ALA*     1.3    62.6    +      -       -      +
    106W  VAL*     3.4     9.9    +      -       -      +
    107W  HIS*     3.1    21.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 104 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10W  HIS*     3.6    36.4    +      -       +      +
     14W  ILE*     4.4    11.0    -      -       +      -
    100W  ASP      3.0    18.6    +      -       -      +
    101W  LEU      3.2     2.7    +      -       -      +
    103W  GLU*     1.3    78.6    -      -       -      +
    105W  ILE*     1.3    63.1    +      -       -      +
    107W  HIS*     3.4     2.3    +      -       -      +
    108W  CYS*     3.0    26.9    +      -       -      -
    120W  LEU*     3.8    19.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 105 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114H  TYR*     3.7    43.1    -      -       +      -
    101W  LEU      2.8    21.9    +      -       -      +
    102W  ARG      3.6     3.8    -      -       -      +
    104W  ALA*     1.3    77.2    -      -       -      +
    106W  VAL*     1.3    64.4    +      -       -      +
    108W  CYS*     3.2     5.9    +      -       -      +
    109W  GLU*     3.0    21.8    +      -       -      +
    117W  ARG*     3.6    33.0    -      -       +      +
    120W  LEU*     3.7    24.9    -      -       +      +
    121W  LYS*     4.1    18.6    -      -       +      +
    124W  LEU*     4.0    18.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 106 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112H  HIS*     3.5    28.3    -      -       +      +
    114H  TYR*     3.1    22.2    -      -       -      +
    102W  ARG      3.0    16.0    +      -       -      +
    103W  GLU*     3.5    11.4    -      -       -      +
    105W  ILE*     1.3    78.0    -      -       -      +
    107W  HIS*     1.3    66.8    +      -       +      +
    109W  GLU*     3.3     6.8    +      -       -      +
    110W  GLN*     3.0    25.2    +      -       +      +
    117W  ARG*     5.9     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 107 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4W  ASP*     3.1    20.6    +      -       -      -
      6W  LYS*     3.3    37.2    -      -       +      +
      7W  VAL*     3.9    22.9    -      -       +      -
     10W  HIS*     3.8    28.1    +      +       +      +
    103W  GLU      3.1     5.4    +      -       -      +
    104W  ALA      3.8     3.1    -      -       -      +
    105W  ILE      3.2     0.2    -      -       -      -
    106W  VAL*     1.3    84.2    -      -       +      +
    108W  CYS*     1.3    63.3    +      -       -      +
    110W  GLN*     3.2    24.6    +      -       -      +
    111W  VAL*     3.0    37.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 108 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7W  VAL*     4.2    19.3    -      -       -      -
     10W  HIS*     6.1     1.8    -      -       -      -
     11W  LEU*     5.5     0.2    -      -       -      -
    104W  ALA*     3.0    19.3    +      -       -      +
    105W  ILE      3.2     7.4    +      -       -      +
    107W  HIS*     1.3    76.5    -      -       -      +
    109W  GLU*     1.3    64.0    +      -       -      +
    111W  VAL*     3.3     7.4    +      -       -      -
    112W  HIS*     3.0     4.2    +      -       -      -
    113W  ASP*     2.9    41.6    +      -       -      +
    116W  SER*     3.8    26.0    -      -       -      -
    117W  ARG*     3.9    12.1    -      -       +      -
    120W  LEU*     3.9    15.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 109 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    109A  GLU*     4.2     7.8    -      -       -      +
    117A  ARG*     2.6    33.4    +      -       -      -
    109H  GLU*     4.0     6.3    -      -       -      +
    105W  ILE      3.0    12.2    +      -       -      +
    106W  VAL*     3.4    11.4    -      -       -      +
    108W  CYS*     1.3    75.2    -      -       -      +
    110W  GLN*     1.3    67.0    +      -       -      +
    112W  HIS*     2.8    23.0    +      -       -      -
    114W  TYR*     3.7    17.6    +      -       -      -
    117W  ARG*     2.8    46.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 110 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    106W  VAL*     3.0    13.8    +      -       +      +
    107W  HIS*     3.6    33.7    +      -       -      +
    109W  GLU*     1.3    82.8    -      -       -      +
    111W  VAL*     1.3    64.9    +      -       +      +
    112W  HIS*     3.4    16.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 111 (chain W). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    102A  ARG*     5.6     0.5    -      -       -      -
      4W  ASP*     4.2    20.0    -      -       +      +
      7W  VAL*     3.8    25.8    -      -       +      -
    107W  HIS*     3.0    38.4    +      -       +      +
    108W  CYS      3.7     5.8    -      -       -      +
    110W  GLN*     1.3    88.3    -      -       +      +
    112W  HIS*     1.3    71.9    +      -       -      +
    113W  ASP*     3.3     7.0    +      -       +      +
----------------------------------------------------------
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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