Contacts of the helix formed by residues 37 - 68 (chain B) in PDB entry 4ZDR


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 37 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     35B  GLU      3.6     1.8    +      -       -      -
     36B  LEU*     1.3    76.0    -      -       -      +
     38B  ASN*     1.3    62.7    +      -       -      +
     39B  GLU*     3.5     6.2    +      -       -      +
     40B  GLU*     3.1    42.1    +      -       -      +
     41B  ARG*     2.9    25.9    +      -       -      +
    301B  GOL      3.4    25.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 38 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37B  SER*     1.3    72.0    -      -       -      +
     39B  GLU*     1.3    68.0    +      -       -      +
     41B  ARG*     3.3    36.8    +      -       -      +
     42B  ASN*     3.0    30.0    +      -       -      +
    113B  GLU*     5.2     6.1    +      -       -      -
    114B  SER*     5.7     0.5    +      -       -      -
    301B  GOL      3.0    39.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 39 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7B  VAL*     4.6     7.3    -      -       -      +
     11B  LYS*     2.5    43.9    +      -       -      -
     37B  SER*     3.4     6.8    +      -       -      +
     38B  ASN*     1.3    78.1    -      -       -      +
     40B  GLU*     1.3    64.2    +      -       +      +
     42B  ASN*     3.4     5.9    +      -       -      +
     43B  LEU*     3.2    30.0    +      -       +      +
    301B  GOL      3.6    10.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 40 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3B  LYS*     5.9     3.0    -      -       -      +
      4B  ASN*     5.6     1.7    -      -       -      +
      7B  VAL*     3.8    30.5    -      -       +      +
     26B  MET*     3.4    18.0    -      -       +      +
     29B  VAL*     4.3     7.2    -      -       +      +
     35B  GLU      4.4     2.3    -      -       -      +
     36B  LEU*     3.5    20.7    -      -       +      +
     37B  SER*     3.1    38.3    +      -       -      +
     38B  ASN      3.1     0.4    -      -       -      -
     39B  GLU*     1.3    76.7    -      -       +      +
     41B  ARG*     1.3    67.2    +      -       -      +
     43B  LEU*     3.0     8.5    +      -       -      +
     44B  LEU*     2.9    19.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 41 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36B  LEU*     4.0    13.7    -      -       -      +
     37B  SER      2.9    18.1    +      -       -      +
     38B  ASN*     3.4    30.2    +      -       -      +
     40B  GLU*     1.3    74.6    -      -       -      +
     42B  ASN*     1.3    77.4    +      -       -      +
     44B  LEU*     3.3     4.2    +      -       -      +
     45B  SER*     3.0    22.2    +      -       -      -
    113B  GLU*     4.1    16.8    +      -       -      +
    114B  SER*     4.6    10.1    +      -       -      +
    117B  PHE*     3.6    54.5    -      -       +      +
    118B  TYR*     3.2    34.9    -      -       +      +
    121B  MET*     5.6     0.2    -      -       -      +
    166B  ILE*     3.9    18.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 42 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38B  ASN*     3.0    18.1    +      -       -      +
     39B  GLU*     3.7     6.7    -      -       -      +
     40B  GLU      3.1     0.2    -      -       -      -
     41B  ARG*     1.3    99.4    +      -       -      +
     43B  LEU*     1.3    61.8    +      -       +      +
     45B  SER*     3.1     5.9    +      -       -      -
     46B  VAL*     2.8    40.2    +      -       +      +
    117B  PHE*     4.8     6.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 43 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7B  VAL*     4.0    27.1    -      -       +      -
     10B  ALA*     4.5     3.6    -      -       +      -
     11B  LYS*     4.1    28.9    -      -       +      -
     14B  GLU*     4.4    12.8    -      -       -      +
     22B  MET*     3.1    29.4    -      -       +      +
     26B  MET*     3.9    19.3    -      -       +      -
     39B  GLU*     3.2    26.0    +      -       +      +
     40B  GLU*     3.0    10.2    +      -       -      +
     42B  ASN*     1.3    78.3    -      -       +      +
     44B  LEU*     1.3    63.2    +      -       -      +
     46B  VAL*     4.5     1.3    -      -       -      -
     47B  ALA*     3.0    22.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 44 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26B  MET*     3.6    32.4    -      -       +      +
     27B  LYS      4.4     0.2    -      -       -      +
     30B  THR*     3.7    18.4    -      -       +      +
     36B  LEU*     3.8    11.7    -      -       +      -
     40B  GLU      2.9    10.8    +      -       -      +
     41B  ARG      3.4     9.9    -      -       -      +
     43B  LEU*     1.3    77.5    -      -       -      +
     45B  SER*     1.3    62.7    +      -       -      +
     47B  ALA*     3.8     0.9    -      -       -      +
     48B  TYR*     3.2    47.6    +      -       +      +
    100B  LEU*     4.8     5.8    -      -       +      -
    105B  LEU*     3.5    31.9    -      -       +      -
    118B  TYR*     5.0     3.1    -      -       +      -
    121B  MET*     4.4    14.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 45 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41B  ARG      3.0    15.6    +      -       -      -
     42B  ASN*     3.7     4.5    -      -       -      -
     44B  LEU*     1.3    73.7    -      -       -      +
     46B  VAL*     1.3    65.0    +      -       -      +
     48B  TYR*     3.5     0.9    +      -       -      +
     49B  LYS*     2.9    27.1    +      -       -      +
    117B  PHE*     3.8    26.2    -      -       -      -
    121B  MET*     3.8    23.2    -      -       -      +
    125B  TYR*     4.3     2.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 46 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14B  GLU*     3.9    17.0    -      -       -      +
     19B  TYR*     4.3     5.8    -      -       +      -
     22B  MET*     3.7    17.0    -      -       +      -
     42B  ASN*     2.8    26.4    +      -       +      +
     43B  LEU*     3.8     3.6    -      -       -      +
     45B  SER*     1.3    77.8    -      -       -      +
     47B  ALA*     1.3    65.0    +      -       -      +
     49B  LYS*     3.2     5.0    +      -       -      +
     50B  ASN*     3.0    44.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 47 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19B  TYR*     4.0     4.8    -      -       -      +
     22B  MET*     3.6    34.3    -      -       +      +
     23B  ALA*     3.7    21.8    -      -       +      +
     26B  MET*     5.0     0.2    -      -       +      -
     43B  LEU      3.0    17.3    +      -       -      +
     44B  LEU*     3.8     5.4    -      -       -      +
     46B  VAL*     1.3    79.6    -      -       -      +
     48B  TYR*     1.3    59.3    +      -       +      +
     50B  ASN*     3.5     2.1    +      -       -      +
     51B  VAL*     3.0    33.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 48 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23B  ALA*     3.7    38.1    +      -       +      +
     27B  LYS*     3.8    14.8    -      -       +      +
     44B  LEU*     3.2    44.0    +      -       +      +
     45B  SER*     4.3     1.6    -      -       -      +
     47B  ALA*     1.3    77.2    -      -       -      +
     49B  LYS*     1.3    59.8    +      -       -      +
     50B  ASN      3.2     1.3    -      -       -      -
     51B  VAL*     4.0     4.0    -      -       +      +
     52B  VAL*     2.9    30.0    +      -       -      +
     93B  ILE*     4.0    21.8    -      -       +      -
     96B  ASP*     3.9    15.9    +      -       -      -
     97B  VAL*     3.3    35.2    -      -       +      -
    100B  LEU*     4.1    11.1    -      -       +      +
    121B  MET*     5.1     2.2    -      -       +      -
    125B  TYR*     3.2    21.8    +      -       +      +
    303B  TME      4.2    13.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 49 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45B  SER*     2.9    20.3    +      -       -      +
     46B  VAL*     3.7     5.8    -      -       -      +
     48B  TYR*     1.3    74.0    -      -       -      +
     50B  ASN*     1.3    56.0    +      -       -      +
     52B  VAL*     3.7     5.0    -      -       -      +
     53B  GLY*     2.7    34.5    +      -       -      -
    125B  TYR*     3.2     8.3    +      -       -      +
    128B  TYR*     5.8     4.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 50 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19B  TYR*     3.3    60.2    +      -       +      -
     46B  VAL*     3.0    30.4    +      -       -      +
     47B  ALA      3.6     0.7    -      -       -      +
     49B  LYS*     1.3    78.2    -      -       -      +
     51B  VAL*     1.3    66.0    +      -       -      +
     53B  GLY*     4.8     0.7    -      -       -      -
     54B  ALA*     3.1    24.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 51 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19B  TYR*     3.0    34.8    -      -       +      +
     20B  ASP*     3.2    20.2    -      -       -      +
     23B  ALA*     4.1     6.7    -      -       +      -
     47B  ALA      3.0    16.0    +      -       -      +
     48B  TYR*     4.0     7.6    -      -       +      +
     49B  LYS      3.4     0.2    -      -       -      -
     50B  ASN*     1.3    79.1    -      -       -      +
     52B  VAL*     1.3    62.6    +      -       -      +
     54B  ALA*     3.7     2.8    +      -       -      +
     55B  ARG*     3.0    37.4    +      -       -      +
     93B  ILE*     3.6    33.7    -      -       +      -
    303B  TME      4.1    11.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 52 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48B  TYR      2.9    19.3    +      -       -      +
     49B  LYS*     3.7     6.1    -      -       -      +
     51B  VAL*     1.3    77.4    -      -       -      +
     53B  GLY*     1.3    71.0    +      -       -      +
     55B  ARG*     3.2     3.1    +      -       -      +
     56B  ARG*     2.9    33.1    +      -       -      +
     90B  LEU*     3.6    22.2    -      -       +      -
     93B  ILE*     4.2    20.0    -      -       +      -
     94B  CYS*     3.9    23.8    -      -       -      -
    125B  TYR*     3.9     7.4    -      -       +      -
    128B  TYR*     3.8    29.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 53 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49B  LYS      2.7    24.9    +      -       -      -
     50B  ASN*     3.8     1.3    -      -       -      -
     51B  VAL      3.3     0.2    -      -       -      -
     52B  VAL*     1.3    74.7    -      -       -      +
     54B  ALA*     1.3    62.0    +      -       -      +
     56B  ARG*     3.1    15.8    +      -       -      +
     57B  SER*     2.9    24.3    +      -       -      -
     60B  ARG*     5.3     0.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 54 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     50B  ASN      3.1    16.1    +      -       -      +
     51B  VAL      3.8     6.1    -      -       -      +
     53B  GLY*     1.3    77.1    -      -       -      +
     55B  ARG*     1.3    71.4    -      -       -      +
     57B  SER*     3.5     6.4    +      -       -      -
     58B  SER*     3.1    24.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 55 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     18A  ARG*     4.4     8.3    -      -       -      +
     20B  ASP*     3.5    36.1    +      -       -      -
     51B  VAL*     3.0    27.0    +      -       -      +
     52B  VAL*     3.2     3.5    +      -       -      +
     53B  GLY      3.2     0.6    -      -       -      -
     54B  ALA*     1.3    88.5    -      -       -      +
     56B  ARG*     1.3    58.2    +      -       -      +
     58B  SER*     3.3     8.2    +      -       -      -
     59B  TRP*     2.8    28.9    +      -       -      +
     86B  ILE*     3.7     9.0    -      -       +      +
     89B  GLU*     3.3    42.0    +      -       +      +
     90B  LEU*     3.5    23.6    -      -       +      +
     93B  ILE*     3.8    19.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 56 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     52B  VAL*     2.9    27.2    +      -       -      +
     53B  GLY*     3.1    13.1    +      -       -      +
     55B  ARG*     1.3    73.4    -      -       -      +
     57B  SER*     1.3    66.8    +      -       -      +
     59B  TRP*     3.2     8.5    +      -       -      +
     60B  ARG*     2.9    52.3    +      -       +      +
     90B  LEU*     4.0    21.8    -      -       +      -
    128B  TYR*     3.5    37.5    +      -       +      -
    131B  GLU*     3.0    39.9    +      -       -      +
    237B  ARG*     4.7     3.8    -      -       -      +
    239B  MET*     4.7     4.6    -      -       -      +
    302B  SO4      3.0    37.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 57 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16A  ALA      5.6     0.5    +      -       -      -
     17A  GLU*     5.8     4.0    -      -       -      +
     53B  GLY      2.9    12.6    +      -       -      -
     54B  ALA*     3.7     9.6    -      -       -      -
     56B  ARG*     1.3    76.1    -      -       -      +
     58B  SER*     1.3    59.0    +      -       -      +
     60B  ARG*     3.1    27.8    +      -       -      +
     61B  VAL*     2.9    38.3    +      -       -      +
    304B  TME      5.1     5.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 58 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16A  ALA*     2.7    31.8    +      -       -      +
     18A  ARG*     3.4    16.8    -      -       -      +
     54B  ALA      3.1    14.3    +      -       -      -
     55B  ARG*     3.5    11.2    -      -       -      -
     56B  ARG      3.3     0.2    -      -       -      -
     57B  SER*     1.3    77.9    +      -       -      +
     59B  TRP*     1.3    63.1    +      -       -      +
     61B  VAL*     3.3     3.4    +      -       -      +
     62B  VAL*     3.0    28.8    +      -       -      +
     86B  ILE*     3.9    19.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with TRP 59 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     55B  ARG      2.8    17.6    +      -       -      +
     56B  ARG*     3.5     7.4    -      -       -      +
     58B  SER*     1.3    77.4    -      -       -      +
     60B  ARG*     1.3    82.5    +      -       +      +
     62B  VAL*     4.0     1.8    -      -       -      +
     63B  SER*     2.7    58.6    +      -       -      -
     83B  ARG*     3.3    24.9    -      -       +      +
     86B  ILE*     3.9    16.7    -      -       +      +
     87B  GLU*     2.9    44.3    +      -       +      +
     90B  LEU*     5.0     4.3    -      -       +      -
    131B  GLU*     3.9    19.1    -      -       +      -
    132B  VAL*     3.3    24.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 60 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53B  GLY      5.3     0.6    +      -       -      -
     56B  ARG*     2.9    45.6    +      -       +      +
     57B  SER*     3.5    26.5    -      -       -      +
     59B  TRP*     1.3    96.0    -      -       +      +
     61B  VAL*     1.3    64.3    +      -       +      +
     63B  SER*     3.4     3.4    +      -       -      -
     64B  SER*     3.1    23.7    +      -       -      -
    131B  GLU*     5.5     0.8    +      -       -      -
    239B  MET*     3.5    44.1    -      -       -      +
    304B  TME      3.4    44.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 61 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     15A  GLN*     3.2    44.4    -      -       +      +
     16A  ALA*     4.0     8.7    -      -       +      +
     17A  GLU*     6.3     0.9    -      -       +      -
     57B  SER*     2.9    27.8    +      -       -      +
     58B  SER      3.7     3.8    -      -       -      +
     60B  ARG*     1.3    76.9    -      -       +      +
     62B  VAL*     1.3    64.7    +      -       -      +
     64B  SER*     3.1    22.5    +      -       -      -
     65B  ILE*     3.3    12.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 62 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12A  LEU*     4.5    11.2    -      -       +      +
     16A  ALA*     3.9    16.4    -      -       +      -
     58B  SER      3.0    19.5    +      -       -      +
     59B  TRP      4.0     1.3    -      -       -      +
     61B  VAL*     1.3    77.1    -      -       +      +
     63B  SER*     1.3    63.9    +      -       -      +
     65B  ILE*     3.1    11.1    +      -       +      +
     66B  GLU*     3.1    19.2    +      -       -      +
     79B  ALA*     3.2    32.3    -      -       +      +
     82B  TYR*     3.6    27.8    -      -       +      -
     83B  ARG*     3.6    21.5    -      -       +      +
     86B  ILE*     4.2     5.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 63 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     59B  TRP*     2.7    54.1    +      -       -      -
     60B  ARG*     3.7     7.4    -      -       -      -
     61B  VAL      3.3     0.4    -      -       -      -
     62B  VAL*     1.3    73.6    -      -       -      +
     64B  SER*     1.3    59.8    +      -       -      +
     66B  GLU*     3.4    17.7    +      -       -      +
     67B  GLN*     2.9    37.9    +      -       -      -
     83B  ARG*     4.3     8.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 64 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60B  ARG      3.1    15.8    +      -       -      -
     61B  VAL*     3.1    10.6    +      -       -      -
     62B  VAL      3.2     0.2    -      -       -      -
     63B  SER*     1.3    72.8    -      -       -      +
     65B  ILE*     1.3    66.8    +      -       -      +
     66B  GLU      3.1     1.3    -      -       -      -
     67B  GLN*     2.9    12.3    +      -       -      +
     68B  LYS*     2.8    31.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 65 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12A  LEU*     3.6    33.7    -      -       +      -
     15A  GLN*     4.2    23.3    -      -       +      -
     61B  VAL*     3.3    21.5    -      -       +      +
     62B  VAL*     3.1     9.6    +      -       +      +
     64B  SER*     1.3    82.2    +      -       -      +
     66B  GLU*     1.3    59.5    +      -       -      +
     67B  GLN      3.5     0.2    +      -       -      -
     68B  LYS*     3.7     7.1    +      -       +      +
     69B  THR*     2.4    38.0    +      -       -      +
     79B  ALA*     4.6     5.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 66 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     62B  VAL      3.1    11.2    +      -       -      +
     63B  SER*     3.4    13.0    +      -       -      +
     65B  ILE*     1.3    80.9    -      -       -      +
     67B  GLN*     1.3    74.6    +      -       +      +
     69B  THR*     3.5     5.5    -      -       -      +
     76B  GLN*     3.3    49.4    +      -       +      +
     79B  ALA*     4.0    11.8    -      -       +      +
     80B  ARG*     3.2    30.8    +      -       -      +
     83B  ARG*     2.5    46.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 67 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63B  SER*     2.9    33.9    +      -       -      +
     64B  SER*     2.9     9.2    +      -       -      +
     66B  GLU*     1.3    93.1    +      -       +      +
     68B  LYS*     1.3    57.3    +      -       -      +
     69B  THR      2.8    11.3    +      -       -      -
     70B  GLU*     3.7    14.0    +      -       -      +
     76B  GLN*     5.1     3.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 68 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64B  SER*     2.8    21.0    +      -       -      +
     65B  ILE*     4.4     5.4    -      -       -      +
     66B  GLU      3.6     0.4    -      -       -      -
     67B  GLN*     1.3    69.1    -      -       -      +
     69B  THR*     1.3    59.0    +      -       -      +
     70B  GLU      3.7     2.1    +      -       -      -
----------------------------------------------------------
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A short description of the analytical approach
The contact analysis used in this page is based upon the approach developed in: Sobolev V., Wade R.C., Vriend G. and Edelman M. PROTEINS (1996) 25, 120-129. Contact legitimacy depends on the hydrophobic-hydrophilic properties of the contacting atoms. In order to define it, for each inter-atomic contact, eight atom classes have been introduced:


   I  Hydrophilic      - N and O that can donate and accept hydrogen bonds
                         (e.g., oxygen of hydroxyl group of Ser. or Thr)
  II  Acceptor         - N or O that can only accept a hydrogen bond
 III  Donor            - N that can only donate a hydrogen bond
  IV  Hydrophobic      - Cl, Br, I and all C atoms that are not in
                         aromatic rings and do not have a covalent bond to
                         a N or O atom
   V  Aromatic         - C in aromatic rings irrespective of any other 
                         bonds formed by the atom
  VI  Neutral          - C atoms that have a covalent bond to at least one
                         atom of class I or two or more atoms from class II
                         or III; atoms; S, F, P, and metal atoms in all cases
 VII  Neutral-donor    - C atoms that have a covalent bond with only one
                         atom of class III
VIII  Neutral-acceptor - C atoms that have a covalent bond with only 
                         one atom of class II
For each pair of contacts the state of legitimacy is shown below:

Legend:
+, legitimate
-, illegitimate
------------------------------------------------------------
  Atomic class           I  II  III   IV   V   VI  VII  VIII
------------------------------------------------------------
   I  (Hydrophilic)      +   +    +    -   +   +    +    +
  II  (Acceptor)         +   -    +    -   +   +    +    -
 III  (Donor)            +   +    -    -   +   +    -    +
  IV  (Hydrophobic)      -   -    -    +   +   +    +    +
   V  (Aromatic)         +   +    +    +   +   +    +    +
  VI  (Neutral)          +   +    +    +   +   +    +    +
 VII  (Neutral-donor)    +   +    -    +   +   +    -    +
VIII  (Neutral-acceptor) +   -    +    +   +   +    +    -
------------------------------------------------------------
Warning!
Atom classes for heterogroups are automatically assigned based on the atomic coordinates. However, in three cases (see below) the automatic assignment is currently ambiguous. In these cases, the user is advised to manually analyse the full list of contacts using LPC software.
1. Carbon atoms belonging to a 4-, 5- or 6-member ring are 
   considered "aromatic" (Class V) if the ring is approximately
   planar, and "hydrophobic" (Class IV) or "neutral" (Classes
   VI, VII, VIII) if the ring is non-planar.
2. The oxygen atom of a carbonyl or hydroxy group is considered
   "hydroxy" (Class I) if the CO bond is longer than 1.29 Å, and
   "carbonyl" (Class II) if shorter.
3. All nitrogen atoms are considered "hydrophilic" (Class I).

Please E-mail any questions and/or suggestions concerning this page to Vladimir.Sobolev@weizmann.ac.il