Contacts of the helix formed by residues 260 - 285 (chain E) in PDB entry 5MGX


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 THR 260 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    259E  MET*     1.3    76.2    -      -       -      +
    261E  PHE*     1.3    63.7    +      -       -      +
    262E  GLU*     3.8    15.8    +      -       -      +
    263E  GLU*     2.8    41.3    +      -       -      +
    264E  GLU*     3.1    21.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 261 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    260E  THR*     1.3    73.9    -      -       -      +
    262E  GLU*     1.3    76.5    +      -       +      +
    264E  GLU*     3.2    13.1    +      -       +      +
    265E  ALA*     3.0    42.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 262 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    260E  THR*     3.3    14.3    -      -       -      +
    261E  PHE*     1.3   101.8    +      -       +      +
    263E  GLU*     1.3    55.7    +      -       +      +
    265E  ALA*     3.9     5.4    -      -       -      +
    266E  GLN*     3.1    29.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 263 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213E  THR*     5.3     1.6    +      -       -      -
    214E  GLY*     3.8    17.6    +      -       -      -
    215E  GLN*     3.7    19.0    +      -       -      +
    218E  VAL*     5.0     2.1    -      -       +      +
    259E  MET*     3.3    25.8    -      -       +      +
    260E  THR*     2.8    46.9    +      -       -      +
    261E  PHE      3.2     0.4    -      -       -      -
    262E  GLU*     1.3    75.2    -      -       +      +
    264E  GLU*     1.4    58.1    +      -       -      +
    266E  GLN*     3.4    14.3    +      -       -      +
    267E  LEU*     3.0    34.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 264 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    254E  SER*     5.0     8.7    +      -       -      -
    257E  VAL      5.4     2.1    -      -       -      +
    259E  MET*     3.7    33.7    +      -       +      +
    260E  THR      3.1    20.8    +      -       -      +
    261E  PHE*     3.2    14.6    +      -       +      +
    263E  GLU*     1.4    72.4    -      -       -      +
    265E  ALA*     1.4    57.8    +      -       -      +
    267E  LEU*     3.3     5.2    +      -       -      +
    268E  LEU*     2.9    36.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 265 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    261E  PHE*     3.0    32.1    +      -       +      +
    262E  GLU*     3.9     7.9    -      -       -      +
    264E  GLU*     1.4    72.8    -      -       -      +
    266E  GLN*     1.3    64.9    +      -       -      +
    268E  LEU*     3.1    14.9    +      -       -      +
    269E  GLN*     3.0    28.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 266 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    218E  VAL*     3.9    35.7    -      -       +      +
    222E  ASN*     5.9     0.2    -      -       -      +
    262E  GLU      3.1    19.9    +      -       -      +
    263E  GLU*     3.6    12.5    -      -       -      +
    265E  ALA*     1.3    74.1    -      -       -      +
    267E  LEU*     1.3    61.1    +      -       -      +
    269E  GLN*     3.4    10.4    +      -       +      +
    270E  LEU*     3.2    23.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 267 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    214E  GLY      4.2     6.3    -      -       -      +
    217E  ARG*     3.9    36.6    -      -       +      +
    218E  VAL*     3.8    17.9    -      -       +      -
    251E  ILE*     3.6    42.6    -      -       +      +
    259E  MET*     3.0    40.4    -      -       +      -
    263E  GLU      3.0    12.8    +      -       -      +
    264E  GLU*     3.7     5.2    -      -       -      +
    266E  GLN*     1.3    73.1    -      -       -      +
    268E  LEU*     1.4    59.6    +      -       -      +
    270E  LEU*     3.4     9.2    +      -       +      +
    271E  LYS*     3.0    28.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 268 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    264E  GLU*     2.9    21.4    +      -       +      +
    265E  ALA*     3.1    15.7    +      -       -      +
    267E  LEU*     1.4    72.5    -      -       -      +
    269E  GLN*     1.4    68.8    +      -       -      +
    271E  LYS*     3.3    22.0    +      -       -      +
    272E  VAL*     3.2    29.9    +      -       +      +
    301E  HIS*     3.6    35.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 269 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    265E  ALA*     3.0    19.0    +      -       +      +
    266E  GLN*     3.5    12.1    -      -       -      +
    267E  LEU      3.4     0.2    -      -       -      -
    268E  LEU*     1.4    80.4    -      -       -      +
    270E  LEU*     1.3    58.1    +      -       -      +
    272E  VAL*     3.8     6.4    +      -       -      +
    273E  LYS*     3.3    34.2    +      -       -      +
    302E  GLN*     3.7    26.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 270 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    218E  VAL*     3.9    24.2    -      -       +      +
    221E  ALA*     3.8    21.8    -      -       +      +
    222E  ASN*     3.6    28.9    -      -       -      +
    225E  ARG*     4.4    11.0    -      -       -      +
    251E  ILE*     3.7    10.3    -      -       +      -
    266E  GLN*     3.2    11.5    +      -       +      +
    267E  LEU*     3.5    17.0    -      -       +      +
    268E  LEU      3.2     0.2    -      -       -      -
    269E  GLN*     1.3    77.6    -      -       -      +
    271E  LYS*     1.3    58.9    +      -       -      +
    273E  LYS*     3.3    10.6    +      -       +      +
    274E  CYS*     2.9    52.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 271 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    248E  ILE*     4.6     9.8    -      -       +      +
    251E  ILE*     3.7    22.6    -      -       +      +
    252E  THR*     3.9    27.1    -      -       +      -
    267E  LEU      3.0    16.9    +      -       -      +
    268E  LEU*     3.3    27.8    +      -       -      +
    270E  LEU*     1.3    77.2    -      -       -      +
    272E  VAL*     1.4    51.7    +      -       -      +
    274E  CYS*     3.3     4.3    +      -       -      +
    275E  LEU*     2.8    58.9    +      -       +      +
    297E  LEU*     5.6     4.9    -      -       -      +
    301E  HIS*     3.7    21.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 272 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    268E  LEU*     3.2    18.9    +      -       +      +
    269E  GLN*     4.0     5.8    -      -       -      +
    271E  LYS*     1.4    71.8    -      -       +      +
    273E  LYS*     1.4    60.5    +      -       +      +
    275E  LEU*     3.4     7.6    +      -       +      -
    276E  ASN*     3.0    32.1    +      -       -      +
    298E  VAL*     3.5    33.3    -      -       +      +
    301E  HIS*     3.7    35.7    -      -       +      +
    302E  GLN*     3.7    32.8    -      -       -      +
    305E  ASN*     4.5     2.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 273 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    709C  ASP*     3.7    41.0    +      -       +      +
    225E  ARG*     4.6    11.4    -      -       -      +
    269E  GLN*     3.3    22.1    +      -       -      +
    270E  LEU*     3.3    12.4    +      -       +      +
    272E  VAL*     1.4    77.5    -      -       +      +
    274E  CYS*     1.4    55.7    +      -       -      +
    276E  ASN*     3.6     5.8    +      -       -      +
    277E  ASN*     3.0    37.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 274 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    225E  ARG*     4.0    17.0    -      -       -      -
    244E  TYR*     3.9    12.0    -      -       +      +
    247E  ALA*     3.8    22.2    -      -       -      -
    248E  ILE*     3.7    20.2    -      -       +      -
    251E  ILE*     4.4     4.0    -      -       -      -
    270E  LEU*     2.9    45.4    +      -       -      +
    271E  LYS*     3.3     4.9    +      -       -      +
    273E  LYS*     1.4    73.5    -      -       -      +
    275E  LEU*     1.4    55.5    +      -       -      +
    277E  ASN*     3.4     8.6    +      -       -      +
    278E  LEU*     2.8    33.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 275 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    248E  ILE*     3.9    24.7    -      -       +      -
    271E  LYS*     2.8    50.5    +      -       +      +
    272E  VAL*     3.8     3.8    -      -       -      +
    274E  CYS*     1.4    69.8    -      -       -      +
    276E  ASN*     1.3    59.9    +      -       -      +
    278E  LEU*     3.4    14.2    +      -       +      +
    279E  ALA*     2.9    27.0    +      -       -      +
    294E  SER*     3.6    17.4    -      -       -      +
    297E  LEU*     4.1    37.5    -      -       +      +
    298E  VAL*     3.6    18.6    -      -       +      +
    301E  HIS*     5.6     1.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 276 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    709C  ASP*     4.3    11.5    +      -       -      +
    272E  VAL*     3.0    17.5    +      -       -      +
    273E  LYS*     3.7     6.8    -      -       -      +
    275E  LEU*     1.3    74.1    -      -       -      +
    277E  ASN*     1.3    60.3    +      -       -      +
    279E  ALA*     3.2     7.5    +      -       -      +
    280E  ALA      2.9    23.7    +      -       -      -
    298E  VAL*     3.5    13.9    -      -       +      +
    305E  ASN*     3.0    39.8    +      -       -      +
    307E  LYS*     4.0     5.5    -      -       -      +
    308E  ALA*     3.6    18.8    +      -       -      +
    311E  ARG*     3.0    35.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 277 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    708C  VAL*     3.5    16.3    -      -       -      +
    709C  ASP*     2.9    49.0    +      -       -      +
    225E  ARG*     4.1     6.7    -      -       -      +
    229E  ASN*     3.1    17.2    +      -       -      -
    244E  TYR*     3.4    24.2    -      -       +      -
    273E  LYS      3.0    23.2    +      -       -      +
    274E  CYS      3.4     6.1    -      -       -      +
    276E  ASN*     1.3    73.5    -      -       -      +
    278E  LEU*     1.3    61.6    +      -       -      +
    280E  ALA*     3.5     4.3    +      -       -      +
    281E  SER*     3.0    27.9    +      -       -      -
    311E  ARG*     4.9     1.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 278 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241E  ALA*     3.4    41.5    -      -       +      +
    244E  TYR*     3.8    11.2    -      -       +      -
    245E  ASP*     4.5    12.8    -      -       +      +
    248E  ILE*     3.8    21.1    -      -       +      -
    274E  CYS      2.8    17.0    +      -       -      +
    275E  LEU*     3.5    11.7    -      -       +      +
    276E  ASN      3.3     0.2    -      -       -      -
    277E  ASN*     1.3    73.9    -      -       -      +
    279E  ALA*     1.4    51.9    +      -       -      +
    281E  SER*     3.2     3.5    +      -       -      -
    282E  GLN*     2.7    60.3    +      -       -      +
    294E  SER*     3.8    13.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 279 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    275E  LEU      2.9    13.9    +      -       -      +
    276E  ASN*     3.2    15.0    -      -       -      +
    278E  LEU*     1.4    72.1    -      -       -      +
    280E  ALA*     1.3    65.5    +      -       -      +
    281E  SER      3.3     0.2    +      -       -      -
    282E  GLN*     3.3     5.6    +      -       -      +
    283E  LEU*     2.9    26.3    +      -       -      +
    291E  ALA*     4.0     6.9    -      -       -      +
    294E  SER*     3.9    15.7    -      -       -      -
    295E  CYS*     3.8    30.5    -      -       -      +
    311E  ARG*     4.6     5.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 280 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    708C  VAL*     4.1     5.2    -      -       +      -
    232E  TYR*     3.8    23.5    +      -       +      +
    276E  ASN      2.9     8.4    +      -       -      +
    277E  ASN      3.5     9.9    -      -       -      +
    279E  ALA*     1.3    75.6    -      -       -      +
    281E  SER*     1.4    61.7    +      -       -      +
    283E  LEU*     3.5     9.5    -      -       -      +
    284E  LYS*     3.4    25.1    +      -       -      +
    311E  ARG*     3.5    39.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 281 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    232E  TYR*     3.5    17.8    -      -       -      -
    237E  PHE*     3.8    23.3    -      -       -      +
    240E  ALA*     3.7     4.4    -      -       -      +
    241E  ALA*     4.1    13.2    -      -       -      -
    244E  TYR*     3.4    16.1    -      -       -      -
    277E  ASN      3.0    13.0    +      -       -      -
    278E  LEU      3.2     8.7    +      -       -      -
    280E  ALA*     1.4    75.1    -      -       -      +
    282E  GLN*     1.3    62.8    +      -       -      +
    284E  LYS*     3.3    14.7    +      -       -      +
    285E  LEU*     3.3    18.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 282 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241E  ALA*     5.0     4.6    -      -       +      +
    278E  LEU*     2.7    47.1    +      -       +      +
    281E  SER*     1.3    69.2    -      -       -      +
    283E  LEU*     1.4    60.1    +      -       -      +
    285E  LEU*     3.4     9.1    +      -       +      +
    286E  ASP      3.4     2.4    +      -       -      -
    287E  HIS*     2.8    49.2    +      -       +      +
    290E  ALA*     3.4    29.7    -      -       -      +
    291E  ALA*     3.4    15.5    +      -       +      -
    294E  SER*     2.7    32.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 283 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    706C  GLU*     5.8     0.2    -      -       -      +
    279E  ALA      2.9    17.2    +      -       -      +
    280E  ALA*     3.5     7.6    -      -       -      +
    281E  SER      3.3     0.2    -      -       -      -
    282E  GLN*     1.4    76.1    -      -       -      +
    284E  LYS*     1.3    73.7    +      -       -      +
    286E  ASP*     3.1    24.3    +      -       -      +
    287E  HIS      5.0     0.2    -      -       -      +
    288E  TYR*     4.2     5.0    -      -       +      -
    291E  ALA*     4.0     6.4    -      -       +      +
    310E  PHE*     5.8     0.7    -      -       +      -
    311E  ARG*     4.2    26.0    -      -       +      +
    314E  LYS*     4.0    34.3    -      -       +      +
    315E  VAL*     3.8    26.7    -      -       +      -
    318E  GLN*     3.8    22.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 284 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    706C  GLU*     3.1    36.4    +      -       -      -
    232E  TYR*     4.5     9.6    +      -       -      +
    237E  PHE*     3.6    49.5    -      -       +      -
    280E  ALA      3.4    11.2    +      -       -      +
    281E  SER      3.3    10.4    +      -       -      +
    283E  LEU*     1.3    94.6    -      -       -      +
    285E  LEU*     1.3    59.6    +      -       -      +
    286E  ASP*     3.3     3.4    +      -       -      +
    314E  LYS*     4.6     5.9    -      -       -      +
    352G  LYS*     3.8    14.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 285 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    237E  PHE*     3.7    38.4    -      -       +      +
    238E  VAL*     3.7    28.5    -      -       +      +
    241E  ALA*     4.8     6.1    -      -       +      -
    281E  SER      3.3    15.9    +      -       -      +
    282E  GLN*     3.4     9.2    +      -       +      +
    283E  LEU      3.2     0.6    -      -       -      -
    284E  LYS*     1.3    76.7    -      -       -      +
    286E  ASP*     1.3    69.3    +      -       -      +
    287E  HIS*     3.1     9.5    +      -       +      +
    322G  TYR*     4.3     1.9    +      -       -      -
    351G  LYS*     4.5    12.6    -      -       -      +
    352G  LYS*     3.6    36.9    -      -       +      +
    355G  ALA*     4.2    18.6    -      -       +      -
----------------------------------------------------------
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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