Contacts of the helix formed by residues 192 - 248 (chain B) in PDB entry 1KIL


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 LEU 192 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193B  SER*     1.3    58.5    +      -       -      +
    194B  GLU*     3.5     3.6    -      -       -      +
    195B  ILE*     3.6    23.5    -      -       +      +
    196B  GLU*     2.5    56.4    +      -       -      +
     14C  MET*     3.6    48.9    -      -       +      +
     17C  ARG*     3.7    26.9    -      -       +      -
     18C  ALA*     4.4    18.4    -      -       +      +
     21C  LEU*     4.6     4.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 193 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    192B  LEU*     1.3    76.4    -      -       -      +
    194B  GLU*     1.3    66.5    +      -       -      +
    195B  ILE      3.0     1.1    -      -       -      -
    196B  GLU*     2.9     7.2    +      -       -      +
    197B  THR*     2.8    38.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 194 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    192B  LEU      4.4     1.7    -      -       -      +
    193B  SER*     1.3    78.7    -      -       -      +
    195B  ILE*     1.3    77.5    +      -       +      +
    197B  THR*     3.4     6.3    +      -       -      -
    198B  ARG*     2.8    62.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 195 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    192B  LEU*     3.5    21.5    +      -       +      +
    193B  SER      3.0     0.2    -      -       -      -
    194B  GLU*     1.3    95.0    -      -       +      +
    196B  GLU*     1.3    65.9    +      -       -      +
    198B  ARG*     4.2     1.7    -      -       -      +
    199B  HIS*     3.2    22.9    +      -       +      +
     18C  ALA*     3.5    37.9    -      -       +      +
     21C  LEU*     4.0    26.4    -      -       +      +
     22C  ALA*     4.9     4.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 196 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    192B  LEU*     2.5    44.9    +      -       -      +
    193B  SER*     2.9    10.0    +      -       -      +
    195B  ILE*     1.3    76.9    -      -       -      +
    197B  THR*     1.3    64.7    +      -       +      +
    199B  HIS*     3.6     5.9    -      -       -      +
    200B  SER*     3.5    17.8    +      -       -      -
     17C  ARG*     2.7    34.6    +      -       -      -
     21C  LEU*     3.6    11.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 197 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193B  SER*     2.8    22.0    +      -       -      +
    194B  GLU*     3.4    11.1    +      -       -      -
    196B  GLU*     1.3    75.6    -      -       +      +
    198B  ARG*     1.3    76.4    +      -       -      +
    199B  HIS      3.0     1.8    -      -       -      -
    200B  SER*     2.7    21.2    +      -       -      -
    201B  GLU*     2.9    18.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 198 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28A  SER*     2.7    50.1    +      -       -      +
     29A  ASN*     3.4    29.1    +      -       -      +
     32A  LEU*     4.1    14.1    -      -       +      +
    194B  GLU*     2.8    49.2    +      -       -      +
    195B  ILE*     4.2     3.4    -      -       -      +
    197B  THR*     1.3    81.2    +      -       -      +
    199B  HIS*     1.3    57.4    +      -       -      +
    201B  GLU*     3.2     8.5    +      -       -      +
    202B  ILE*     3.0    33.5    +      -       +      +
    146D  MET*     6.4     1.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with HIS 199 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    195B  ILE*     3.2    18.3    +      -       +      +
    196B  GLU      3.6     6.3    -      -       -      +
    197B  THR      3.0     0.6    -      -       -      -
    198B  ARG*     1.3    77.5    -      -       -      +
    200B  SER*     1.3    68.3    +      -       -      +
    202B  ILE*     3.3     4.5    +      -       -      +
    203B  ILE*     3.1    50.3    +      -       +      +
     21C  LEU*     3.3    32.0    +      -       +      +
     24C  GLU*     3.7    32.1    +      -       +      +
     25C  SER*     2.9    31.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 200 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    196B  GLU      3.5     9.7    +      -       -      -
    197B  THR*     2.7    17.5    +      -       -      -
    199B  HIS*     1.3    75.8    -      -       -      +
    201B  GLU*     1.3    67.1    +      -       -      -
    203B  ILE*     3.1     7.4    +      -       -      +
    204B  LYS*     2.7    28.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 201 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     29A  ASN*     2.5    34.0    -      -       -      +
     32A  LEU*     3.3    21.5    -      -       +      +
     33A  GLN*     4.2    17.8    -      -       -      +
     36A  GLN*     4.7     0.5    -      -       -      +
    197B  THR*     2.9    22.6    +      -       -      +
    198B  ARG*     3.2    12.3    +      -       -      +
    200B  SER*     1.3    76.2    -      -       -      +
    202B  ILE*     1.3    58.0    +      -       -      +
    204B  LYS*     2.9    26.9    +      -       -      +
    205B  LEU*     2.9    29.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 202 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32A  LEU*     4.1    24.4    -      -       +      +
    198B  ARG*     3.0    20.6    +      -       +      +
    199B  HIS*     3.3    12.8    -      -       -      +
    201B  GLU*     1.3    76.0    -      -       -      +
    203B  ILE*     1.3    59.3    +      -       +      +
    205B  LEU*     3.3     4.6    +      -       -      +
    206B  GLU*     3.0     9.7    +      -       -      +
     25C  SER*     4.0    23.1    -      -       -      +
     28C  SER*     3.4    29.2    -      -       -      +
     29C  THR*     4.0    22.0    -      -       +      -
     32C  MET*     3.0    31.4    -      -       +      +
    146D  MET*     5.0     6.5    -      -       +      -
    150D  LEU*     4.2     9.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 203 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    199B  HIS*     3.1    39.0    +      -       +      +
    200B  SER*     3.7     7.6    -      -       -      +
    202B  ILE*     1.3    73.3    -      -       +      +
    204B  LYS*     1.3    67.1    -      -       -      +
    205B  LEU      3.1     1.6    -      -       -      -
    206B  GLU*     3.1    10.8    +      -       +      +
    207B  ASN*     2.8    42.8    +      -       -      +
     24C  GLU      4.9     0.9    -      -       -      +
     28C  SER*     3.5    28.7    -      -       -      +
     31C  ARG*     4.7     6.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 204 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36A  GLN*     3.8    23.1    -      -       +      +
    200B  SER*     2.7    14.8    +      -       -      +
    201B  GLU*     3.1    31.2    +      -       -      +
    203B  ILE*     1.3    76.7    -      -       -      +
    205B  LEU*     1.3    60.0    +      -       -      +
    207B  ASN*     3.4     9.6    +      -       -      +
    208B  SER*     3.0    27.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 205 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32A  LEU*     3.6    27.4    -      -       +      +
     35A  THR*     3.6    21.1    -      -       +      -
     36A  GLN*     3.0    45.5    +      -       +      +
     39A  VAL*     4.0    18.8    -      -       +      -
    201B  GLU      2.9     9.7    +      -       -      +
    202B  ILE*     3.4     9.9    -      -       -      +
    204B  LYS*     1.3    75.5    -      -       -      +
    206B  GLU*     1.3    66.1    +      -       -      +
    208B  SER*     3.1     4.9    +      -       -      -
    209B  ILE*     2.9    26.2    +      -       +      +
     32C  MET*     4.0    20.4    -      -       +      -
    150D  LEU*     4.5     5.6    -      -       +      -
    153D  VAL*     5.6     0.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 206 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202B  ILE      3.0     8.1    +      -       -      +
    203B  ILE*     3.1    15.7    +      -       -      +
    205B  LEU*     1.3    75.7    -      -       -      +
    207B  ASN*     1.3    53.8    +      -       -      +
    209B  ILE*     2.7    24.2    +      -       -      +
    210B  ARG*     2.7    51.9    +      -       -      +
     28C  SER*     2.5    37.0    +      -       -      +
     31C  ARG*     3.2    30.7    +      -       -      +
     32C  MET*     3.7    22.2    -      -       +      +
     35C  LEU*     4.4    11.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 207 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    203B  ILE*     2.8    40.4    +      -       -      +
    204B  LYS*     3.6     8.3    -      -       -      +
    206B  GLU*     1.3    77.8    -      -       -      +
    208B  SER*     1.3    60.9    +      -       -      +
    210B  ARG*     3.2    22.0    +      -       -      +
    211B  GLU*     3.2    21.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 208 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36A  GLN*     2.9    26.2    +      -       -      -
     39A  VAL*     3.5    27.6    -      -       -      +
     40A  ASP*     4.0     3.9    +      -       -      -
     43A  VAL*     4.1     3.9    -      -       -      +
    204B  LYS*     3.0    14.6    +      -       -      +
    205B  LEU*     3.3     9.2    -      -       -      -
    207B  ASN*     1.3    76.9    -      -       -      +
    209B  ILE*     1.3    61.6    +      -       -      +
    211B  GLU*     3.4     9.1    +      -       -      +
    212B  LEU*     3.2    17.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 209 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39A  VAL*     3.8    26.9    -      -       +      -
    205B  LEU*     2.9    26.3    +      -       +      +
    206B  GLU*     2.7    11.7    +      -       -      +
    208B  SER*     1.3    76.3    -      -       -      +
    210B  ARG*     1.3    62.5    +      -       -      +
    212B  LEU*     3.4     7.8    +      -       +      +
    213B  HIS*     2.9    22.3    +      -       -      +
     32C  MET*     4.1    15.5    -      -       +      +
     35C  LEU*     3.8    23.1    -      -       +      -
     36C  VAL*     3.7    26.0    -      -       +      +
    153D  VAL*     3.8    28.7    -      -       +      -
    157D  ILE*     4.6     2.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 210 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206B  GLU*     2.7    45.2    +      -       -      +
    207B  ASN*     3.2    23.0    +      -       -      +
    209B  ILE*     1.3    73.3    -      -       -      +
    211B  GLU*     1.3    63.3    +      -       -      +
    213B  HIS*     3.3     6.9    +      -       -      +
    214B  ASP*     2.9    28.8    +      -       -      +
     31C  ARG*     4.0    16.8    -      -       -      +
     35C  LEU*     3.4    34.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 211 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43A  VAL*     3.5    16.4    -      -       +      +
     47A  ARG*     3.2    27.2    +      -       -      -
    207B  ASN      3.2     8.9    +      -       -      +
    208B  SER*     3.6    11.8    -      -       -      +
    209B  ILE      3.1     0.2    -      -       -      -
    210B  ARG*     1.3    77.2    -      -       -      +
    212B  LEU*     1.3    69.4    +      -       -      +
    214B  ASP*     2.9    25.6    +      -       -      +
    215B  MET*     3.1    22.7    +      -       +      +
     70E  TYR*     4.6    11.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 212 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39A  VAL*     4.8     9.6    -      -       +      +
     42A  VAL*     3.5    44.6    -      -       +      +
     43A  VAL*     3.9    13.6    -      -       +      +
     46A  MET*     3.9     7.4    -      -       +      -
    208B  SER      3.2    11.6    +      -       -      +
    209B  ILE*     3.8    10.5    -      -       +      +
    211B  GLU*     1.3    79.2    -      -       -      +
    213B  HIS*     1.3    62.5    +      -       -      +
    215B  MET*     3.3     5.9    +      -       -      +
    216B  PHE*     3.1    52.9    +      -       +      -
     36C  VAL*     6.0     0.4    -      -       +      -
     39C  SER*     5.1     0.9    -      -       -      +
    157D  ILE*     4.1    15.9    -      -       +      -
    160D  LEU*     3.8    25.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with HIS 213 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    209B  ILE      2.9    18.3    +      -       -      +
    210B  ARG*     3.4     7.3    +      -       -      +
    211B  GLU      3.1     0.2    -      -       -      -
    212B  LEU*     1.3    75.5    -      -       -      +
    214B  ASP*     1.3    68.0    +      -       -      +
    216B  PHE*     3.2     3.8    +      -       -      +
    217B  MET*     2.9    49.9    +      -       +      +
     35C  LEU*     3.1    51.3    -      -       +      +
     38C  GLU*     2.8    39.6    +      -       +      +
     39C  SER*     3.1    19.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 214 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    210B  ARG*     2.9    17.9    +      -       -      +
    211B  GLU*     2.9    18.2    +      -       -      +
    213B  HIS*     1.3    80.8    +      -       -      +
    215B  MET*     1.3    54.8    +      -       -      +
    217B  MET*     3.2     7.4    +      -       -      +
    218B  ASP*     2.8    28.6    +      -       -      -
     69E  LYS*     3.0    30.9    +      -       -      -
     70E  TYR*     3.1    20.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 215 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43A  VAL*     3.8    22.7    -      -       +      +
     46A  MET*     3.8    32.8    -      -       +      -
     47A  ARG*     4.0    26.9    -      -       +      +
     50A  VAL*     4.4     8.8    -      -       +      +
    211B  GLU*     3.1    34.2    +      -       +      +
    212B  LEU*     3.7     7.9    -      -       -      +
    214B  ASP*     1.3    71.0    -      -       -      +
    216B  PHE*     1.3    62.3    +      -       -      +
    218B  ASP*     4.1     2.6    -      -       -      +
    219B  MET*     2.8    34.4    +      -       -      +
     70E  TYR*     3.5    42.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 216 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42A  VAL*     4.3     0.7    -      -       +      -
     46A  MET*     3.8    26.9    -      -       +      -
    212B  LEU*     3.1    52.0    +      -       +      +
    213B  HIS      3.6     6.7    -      -       -      +
    215B  MET*     1.3    76.2    -      -       -      +
    217B  MET*     1.3    63.4    +      -       -      +
    219B  MET*     3.7     5.5    -      -       +      +
    220B  ALA*     3.1    23.4    +      -       -      +
     39C  SER*     3.5    36.8    -      -       -      +
     42C  ALA*     3.8     6.4    -      -       +      +
     43C  GLY*     3.8    20.4    -      -       -      -
     46C  THR*     4.5     2.4    +      -       -      -
    160D  LEU*     3.6    48.9    -      -       +      -
    163D  MET*     4.7     7.9    -      -       +      -
    167D  MET*     4.8     6.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with MET 217 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213B  HIS*     2.9    47.0    +      -       +      +
    214B  ASP*     3.5     7.4    -      -       -      +
    216B  PHE*     1.3    76.2    -      -       -      +
    218B  ASP*     1.3    57.3    +      -       -      +
    220B  ALA*     3.3     5.2    +      -       -      +
    221B  MET*     3.0    44.6    +      -       +      +
     38C  GLU*     3.2    34.1    -      -       +      +
     39C  SER*     3.5     7.6    -      -       -      +
     42C  ALA*     3.1    33.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 218 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     50A  VAL*     5.9     2.0    -      -       +      -
    214B  ASP*     2.8    16.2    +      -       -      +
    215B  MET      4.1     2.5    -      -       -      +
    217B  MET*     1.3    69.9    -      -       -      +
    219B  MET*     1.3    60.8    +      -       -      +
    221B  MET*     3.2    23.1    +      -       -      +
    222B  LEU*     2.9    40.3    +      -       +      +
     66E  ILE*     3.6    23.1    -      -       +      +
     69E  LYS*     2.5    34.3    +      -       -      -
     70E  TYR*     2.5    24.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 219 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     46A  MET*     4.4     3.6    -      -       -      +
     49A  ASN*     3.7     2.0    -      -       +      -
     50A  VAL*     3.4    50.7    -      -       +      +
     53A  VAL*     3.0    34.5    -      -       +      -
    215B  MET      2.8    21.3    +      -       -      +
    216B  PHE*     3.7     7.4    -      -       +      +
    218B  ASP*     1.3    73.3    -      -       -      +
    220B  ALA*     1.3    62.4    +      -       -      +
    222B  LEU*     3.3     6.9    +      -       -      +
    223B  VAL*     3.1    25.5    +      -       -      +
     46C  THR*     3.8    15.0    -      -       +      +
    167D  MET*     3.1    35.9    -      -       +      -
    171D  ILE*     5.4     0.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 220 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216B  PHE      3.1    13.1    +      -       -      +
    217B  MET*     3.6     4.5    -      -       -      +
    219B  MET*     1.3    78.3    -      -       -      +
    221B  MET*     1.3    64.1    +      -       +      +
    223B  VAL*     3.5     2.6    +      -       -      +
    224B  GLU*     3.0    24.6    +      -       -      +
     42C  ALA*     3.9    17.0    -      -       +      +
     45C  ARG*     4.6    16.7    +      -       +      +
     46C  THR*     3.3    24.8    +      -       -      +
     49C  MET*     4.4     4.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 221 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    217B  MET*     3.0    34.9    +      -       +      +
    218B  ASP*     3.3    30.7    -      -       -      +
    220B  ALA*     1.3    74.4    -      -       +      +
    222B  LEU*     1.3    58.6    +      -       +      +
    224B  GLU*     3.4    13.7    +      -       -      +
    225B  SER*     2.9    30.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 222 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     50A  VAL*     4.5    13.9    -      -       +      -
     53A  VAL*     3.7    26.0    -      -       +      -
     54A  LEU*     4.3    11.2    -      -       +      -
     57A  ASP*     4.4    10.5    -      -       -      +
    218B  ASP*     2.9    33.3    +      -       +      +
    219B  MET*     3.5     7.4    -      -       -      +
    221B  MET*     1.3    79.0    -      -       +      +
    223B  VAL*     1.3    51.5    +      -       -      +
    225B  SER*     3.3     7.5    +      -       -      -
    226B  GLN*     2.7    50.9    +      -       -      +
     59E  ARG*     5.8     0.2    -      -       -      +
     62E  MET*     3.2    37.5    -      -       +      -
     66E  ILE*     4.7     7.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 223 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53A  VAL*     4.6    17.0    -      -       +      -
     56A  ARG*     4.3     5.2    -      -       -      +
    219B  MET*     3.1    17.1    +      -       -      +
    220B  ALA      4.1     3.4    -      -       -      +
    222B  LEU*     1.3    72.4    -      -       +      +
    224B  GLU*     1.3    64.2    +      -       -      +
    226B  GLN*     4.3     9.4    -      -       -      +
    227B  GLY      3.1     6.6    +      -       -      -
     46C  THR*     4.0    16.6    -      -       +      +
     49C  MET*     3.6    29.6    -      -       +      -
     50C  LEU*     3.8    27.6    -      -       +      -
     53C  GLN*     2.8    38.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 224 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    220B  ALA      3.0    16.5    +      -       -      +
    221B  MET*     3.7    13.6    -      -       -      +
    223B  VAL*     1.3    77.1    -      -       -      +
    225B  SER*     1.3    67.2    +      -       -      +
    227B  GLY*     3.0    14.4    +      -       -      -
    228B  GLU*     3.6    11.7    +      -       -      +
     45C  ARG*     3.1    30.0    +      -       -      +
     49C  MET*     3.1    26.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 225 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    221B  MET      2.9    18.4    +      -       -      -
    222B  LEU*     3.3     9.9    -      -       -      -
    224B  GLU*     1.3    79.0    -      -       -      +
    226B  GLN*     1.3    62.6    +      -       -      +
    228B  GLU*     2.9    29.7    +      -       -      +
    229B  MET*     4.0     1.2    +      -       -      +
     59E  ARG*     3.4    29.6    +      -       -      -
     62E  MET*     6.0     1.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 226 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53A  VAL*     2.8    29.4    +      -       -      +
     56A  ARG*     2.7    51.9    +      -       -      +
     57A  ASP*     3.1    35.5    +      -       -      +
     60A  LEU*     3.9     7.3    -      -       +      +
    222B  LEU*     2.7    37.8    +      -       -      +
    223B  VAL*     4.0     4.5    -      -       -      +
    224B  GLU      3.3     0.4    -      -       -      -
    225B  SER*     1.3    72.9    -      -       -      +
    227B  GLY*     1.3    61.2    +      -       -      +
    229B  MET*     3.2    29.4    +      -       +      +
    230B  ILE*     3.2    17.0    +      -       -      +
     59E  ARG*     4.0     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 227 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    223B  VAL      3.1     6.3    +      -       -      -
    224B  GLU      3.0     9.4    +      -       -      -
    225B  SER      3.0     1.6    +      -       -      -
    226B  GLN*     1.3    75.6    -      -       -      +
    228B  GLU*     1.3    61.6    +      -       -      +
    229B  MET      3.3     0.2    -      -       -      -
    230B  ILE*     3.8     6.8    -      -       -      +
    231B  ASP*     3.2    29.4    +      -       -      +
     53C  GLN*     3.4    26.0    -      -       -      -
     56C  GLN*     4.9     2.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 228 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    224B  GLU*     3.6    12.6    +      -       +      +
    225B  SER*     2.9    21.9    +      -       -      +
    227B  GLY*     1.3    78.9    -      -       -      +
    229B  MET*     1.3    63.6    +      -       +      +
    231B  ASP*     3.2    22.9    -      -       -      +
    232B  ARG*     3.5    27.1    +      -       -      +
     59E  ARG*     6.0     0.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 229 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57A  ASP      3.9    13.9    -      -       -      +
     60A  LEU*     4.0    11.9    -      -       +      +
     61A  SER*     3.7    32.5    -      -       -      -
     64A  ASP*     3.9    11.6    -      -       +      +
    225B  SER      4.8     1.3    -      -       -      +
    226B  GLN*     3.2    24.6    +      -       +      +
    228B  GLU*     1.3    80.2    -      -       +      +
    230B  ILE*     1.3    60.6    +      -       -      +
    232B  ARG*     3.0    25.3    +      -       -      +
    233B  ILE*     2.8    36.3    +      -       +      +
     59E  ARG*     3.2    48.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 230 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56A  ARG*     3.2    30.5    -      -       -      +
     60A  LEU*     3.6    31.0    -      -       +      -
    226B  GLN      3.2    10.0    +      -       -      +
    227B  GLY*     3.8     8.1    -      -       -      +
    228B  GLU      3.4     0.4    -      -       -      -
    229B  MET*     1.3    77.1    -      -       -      +
    231B  ASP*     1.3    59.0    +      -       -      +
    233B  ILE*     3.2     8.1    +      -       +      +
    234B  GLU*     2.9    26.1    +      -       +      +
     53C  GLN*     3.6    19.7    -      -       +      +
     56C  GLN*     3.7    37.9    -      -       +      +
     57C  LEU*     4.5    16.8    -      -       +      -
     60C  VAL*     5.9     1.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 231 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    227B  GLY      3.2    17.4    +      -       -      +
    228B  GLU*     3.2    21.5    -      -       -      +
    229B  MET      3.3     0.2    -      -       -      -
    230B  ILE*     1.3    74.5    -      -       -      +
    232B  ARG*     1.3    61.0    +      -       -      +
    234B  GLU*     3.9     8.1    -      -       -      +
    235B  TYR*     3.1    26.2    +      -       -      +
     56C  GLN*     3.5    20.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 232 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64A  ASP*     2.5    46.3    +      -       -      +
    228B  GLU*     3.5    22.6    +      -       -      +
    229B  MET*     3.0    25.7    +      -       -      +
    231B  ASP*     1.3    79.0    +      -       -      +
    233B  ILE*     1.3    61.6    +      -       -      +
    235B  TYR*     3.3     7.0    +      -       +      +
    236B  ASN*     2.9    44.0    +      -       -      +
     52E  TYR*     3.4    14.8    -      -       -      -
     55E  MET*     5.2    11.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 233 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60A  LEU*     3.7    24.9    -      -       +      +
     63A  LEU*     3.6    37.7    -      -       +      +
     64A  ASP*     3.4    30.3    -      -       -      +
     67A  ALA*     3.9    18.4    -      -       +      -
    229B  MET      2.8    24.4    +      -       -      +
    230B  ILE*     3.5     9.2    -      -       +      +
    232B  ARG*     1.3    77.8    -      -       -      +
    234B  GLU*     1.3    57.3    +      -       -      +
    236B  ASN*     3.3     2.0    +      -       -      +
    237B  VAL*     2.9    38.9    +      -       +      +
     57C  LEU*     5.9     2.0    -      -       +      -
     60C  VAL*     4.0    17.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 234 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    230B  ILE      2.9    15.8    +      -       -      +
    231B  ASP*     4.1     7.8    -      -       -      +
    233B  ILE*     1.3    76.6    -      -       -      +
    235B  TYR*     1.3    62.1    -      -       -      +
    237B  VAL*     3.9     0.9    -      -       -      +
    238B  GLU*     3.0    36.1    +      -       +      +
     56C  GLN*     2.8    36.9    -      -       +      +
     59C  ARG*     3.0    45.9    +      -       +      +
     60C  VAL*     3.6    22.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 235 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     71A  GLN*     5.9     2.0    -      -       -      -
    231B  ASP      3.1    20.6    +      -       -      +
    232B  ARG*     3.5     7.9    -      -       +      +
    234B  GLU*     1.3    77.6    -      -       -      +
    236B  ASN*     1.3    75.6    +      -       -      +
    238B  GLU*     3.3    10.0    +      -       -      +
    239B  HIS*     3.0    68.2    +      +       -      -
----------------------------------------------------------
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Residues in contact with ASN 236 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64A  ASP*     4.6     2.2    +      -       -      -
     67A  ALA*     3.2    22.9    -      -       +      +
     68A  ASP*     3.5    37.6    +      -       -      +
     71A  GLN*     3.5    24.2    -      -       +      +
    301A   MG      4.3     4.0    -      -       -      -
    232B  ARG*     2.9    38.0    +      -       -      +
    233B  ILE*     3.9     2.9    -      -       -      +
    235B  TYR*     1.3    88.4    -      -       -      +
    237B  VAL*     1.3    57.7    +      -       -      +
    239B  HIS*     3.4     1.3    +      -       -      -
    240B  ALA*     2.9    28.1    +      -       -      +
     52E  TYR*     4.5     0.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 237 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63A  LEU*     6.2     0.7    -      -       +      -
     67A  ALA*     3.9    18.2    -      -       +      -
     70A  LEU*     4.9     1.8    -      -       +      -
    233B  ILE*     2.9    30.6    +      -       +      +
    234B  GLU      4.0     3.4    -      -       -      +
    236B  ASN*     1.3    73.5    -      -       -      +
    238B  GLU*     1.3    62.0    +      -       -      +
    240B  ALA*     4.0     5.6    -      -       -      -
    241B  VAL*     2.7    47.1    +      -       +      +
     60C  VAL*     4.1    27.8    -      -       +      +
     63C  GLY*     4.2     3.1    -      -       -      -
     64C  MET*     3.3    35.0    -      -       +      -
     67C  ILE*     4.8     0.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 238 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    234B  GLU*     3.0    28.5    +      -       +      +
    235B  TYR*     3.5    13.4    -      -       -      +
    237B  VAL*     1.3    78.5    -      -       -      +
    239B  HIS*     1.3    69.8    +      -       +      +
    241B  VAL*     3.4     8.5    +      -       -      +
    242B  ASP*     3.1    22.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 239 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     71A  GLN*     3.9    30.4    +      -       +      +
    235B  TYR*     3.0    61.3    +      +       -      -
    236B  ASN      3.9     1.1    -      -       -      +
    237B  VAL      3.2     0.2    -      -       -      -
    238B  GLU*     1.3    88.0    -      -       +      +
    240B  ALA*     1.3    59.7    +      -       -      +
    242B  ASP*     3.2     6.6    +      -       -      +
    243B  TYR*     2.8    45.6    +      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 240 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     70A  LEU*     4.1    16.8    -      -       +      +
     71A  GLN*     4.0    17.6    -      -       -      +
     74A  ALA*     3.7    13.0    -      -       +      +
    236B  ASN      2.9    17.9    +      -       -      +
    237B  VAL*     3.2     8.5    +      -       -      +
    239B  HIS*     1.3    76.5    -      -       -      +
    241B  VAL*     1.3    64.0    +      -       -      +
    243B  TYR*     3.3     0.4    +      -       -      -
    244B  VAL*     3.1    29.3    +      -       -      +
     67C  ILE*     3.9    16.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 241 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    237B  VAL*     2.7    34.4    +      -       +      +
    238B  GLU*     3.6     8.7    -      -       -      +
    240B  ALA*     1.3    74.3    -      -       -      +
    242B  ASP*     1.3    57.0    +      -       -      +
    244B  VAL*     3.4     2.4    +      -       -      +
    245B  GLU*     3.0    36.9    +      -       -      +
     63C  GLY*     3.7    36.3    -      -       -      +
     66C  HIS*     3.4    28.7    -      -       +      +
     67C  ILE*     4.0    11.2    -      -       +      -
     70C  ASP*     4.8     0.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 242 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    238B  GLU      3.1    13.8    +      -       -      +
    239B  HIS*     3.8     6.5    -      -       -      +
    241B  VAL*     1.3    79.5    -      -       -      +
    243B  TYR*     1.3    66.9    +      -       -      +
    245B  GLU*     3.4    13.9    +      -       -      +
    246B  ARG*     3.1    59.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 243 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     71A  GLN*     3.6    27.9    +      -       -      -
     74A  ALA*     3.5    23.3    -      -       +      +
     75A  SER*     3.5    40.6    +      -       -      -
     78A  GLU*     3.4    32.1    -      -       +      +
    239B  HIS*     2.8    37.8    +      -       +      +
    242B  ASP*     1.3    73.6    -      -       -      +
    244B  VAL*     1.3    58.1    +      -       -      +
    246B  ARG*     3.4    29.6    +      -       -      -
    247B  ALA*     3.0    22.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 244 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     74A  ALA*     3.8    18.6    -      -       +      -
     77A  PHE*     4.8     4.9    -      -       +      -
    240B  ALA      3.1    18.2    +      -       -      +
    241B  VAL      3.8     3.8    -      -       -      +
    243B  TYR*     1.3    75.7    -      -       -      +
    245B  GLU*     1.3    65.5    +      -       -      +
    247B  ALA*     3.1    16.3    +      -       -      +
    248B  VAL*     3.2    13.8    +      -       +      +
     67C  ILE*     4.4    17.5    -      -       +      +
     70C  ASP*     3.5    28.3    -      -       +      +
     71C  MET*     3.8    21.3    -      -       -      -
    192D  ILE*     4.1    20.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 245 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241B  VAL*     3.0    29.6    +      -       -      +
    242B  ASP*     3.7    13.9    -      -       -      +
    244B  VAL*     1.3    75.9    -      -       -      +
    246B  ARG*     1.3    62.1    +      -       +      +
    248B  VAL*     3.5     1.3    +      -       -      +
    249B  SER*     3.0    36.3    +      -       -      +
     66C  HIS*     3.3    36.3    -      -       +      -
     70C  ASP*     3.5    11.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 246 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     78A  GLU*     3.5    32.8    +      -       +      +
     85A  LYS*     2.9    20.3    +      -       -      -
    242B  ASP*     3.1    40.5    +      -       -      +
    243B  TYR*     3.6    32.9    -      -       -      +
    245B  GLU*     1.3    79.9    -      -       +      +
    247B  ALA*     1.3    65.6    +      -       -      +
    248B  VAL      3.3     0.5    +      -       -      -
    249B  SER*     3.4    11.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 247 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     77A  PHE*     3.4    39.2    -      -       +      -
     78A  GLU*     4.0     9.4    -      -       -      +
     81A  ALA*     3.4    31.7    -      -       +      +
     85A  LYS*     3.4    12.2    -      -       -      +
    243B  TYR      3.0    14.4    +      -       -      +
    244B  VAL      3.1     6.2    +      -       -      +
    246B  ARG*     1.3    77.9    -      -       -      +
    248B  VAL*     1.3    59.0    +      -       -      +
    250B  ASP*     4.3     1.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 248 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     77A  PHE*     4.4     7.2    -      -       +      -
    244B  VAL*     3.2    16.0    +      -       +      +
    245B  GLU      3.9     4.5    -      -       -      +
    247B  ALA*     1.3    78.9    -      -       -      +
    249B  SER*     1.3    63.8    +      -       -      +
    250B  ASP*     3.7    10.3    +      -       -      +
     70C  ASP*     3.7    33.2    -      -       +      +
     73C  GLU*     4.4    14.1    -      -       +      +
     74C  ALA*     3.3    42.0    -      -       +      +
     77C  ASN*     4.5    11.4    -      -       -      +
----------------------------------------------------------
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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