Contacts of the helix formed by residues 284 - 315 (chain D) in PDB entry 5J0Z


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 GLN 284 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    279D  LEU*     3.2    23.8    +      -       +      +
    282D  GLU*     3.3    31.2    -      -       -      +
    283D  SER*     1.3    78.2    -      -       -      +
    285D  PRO*     1.4    52.6    -      -       -      +
    286D  ALA*     2.6    21.7    +      -       +      -
    287D  ARG*     2.6    59.7    +      -       +      +
    288D  ALA*     3.1     8.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with PRO 285 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    279D  LEU      4.6     2.2    -      -       -      +
    280D  LYS*     4.7    22.0    -      -       +      +
    283D  SER*     3.3    14.8    -      -       -      -
    284D  GLN*     1.4    87.2    -      -       -      +
    286D  ALA*     1.3    60.4    +      -       -      +
    288D  ALA*     3.9    10.2    -      -       +      +
    289D  ALA*     3.1    27.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 286 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    284D  GLN*     2.6     6.8    +      -       +      +
    285D  PRO*     1.3    75.3    -      -       -      +
    287D  ARG*     1.3    51.2    +      -       -      +
    289D  ALA*     3.4     1.6    -      -       -      +
    290D  SER*     2.8    39.6    +      -       -      +
    293D  ARG*     4.8     4.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 287 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    279D  LEU*     3.9    15.2    -      -       +      +
    284D  GLN*     2.6    48.5    +      -       +      +
    286D  ALA*     1.3    72.0    -      -       -      +
    288D  ALA*     1.3    66.2    +      -       -      +
    290D  SER*     3.3    16.2    +      -       -      -
    291D  ILE*     3.3    22.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 288 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    276D  GLN*     3.7    26.8    -      -       +      +
    279D  LEU*     3.5    33.3    -      -       +      +
    280D  LYS*     4.4     6.5    -      -       +      +
    284D  GLN      3.1     6.9    +      -       -      +
    285D  PRO*     3.9    14.4    -      -       +      +
    287D  ARG*     1.3    80.5    -      -       -      +
    289D  ALA*     1.3    58.0    +      -       +      +
    290D  SER      3.2     0.2    +      -       -      -
    291D  ILE*     3.2     7.6    +      -       -      +
    292D  THR*     3.1    23.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 289 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    219D  THR*     5.3     9.4    -      -       +      -
    276D  GLN*     5.4     1.8    -      -       +      +
    285D  PRO      3.1    16.4    +      -       -      +
    286D  ALA      3.4     3.1    -      -       -      +
    288D  ALA*     1.3    75.8    -      -       +      +
    290D  SER*     1.3    61.1    +      -       -      +
    292D  THR*     3.7    21.5    -      -       +      -
    293D  ARG*     3.0    36.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 290 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    286D  ALA*     2.8    24.4    +      -       -      +
    287D  ARG*     3.4    11.6    -      -       -      -
    288D  ALA      3.1     0.6    -      -       -      -
    289D  ALA*     1.3    75.8    -      -       -      +
    291D  ILE*     1.3    56.2    +      -       -      +
    293D  ARG*     3.1    18.0    +      -       -      +
    294D  ALA*     2.8    34.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 291 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    272D  GLU*     4.0    25.6    -      -       +      +
    275D  VAL*     3.9    29.4    -      -       +      -
    276D  GLN*     5.7     1.6    -      -       +      +
    279D  LEU*     3.9    13.9    -      -       +      -
    287D  ARG*     3.4    22.0    -      -       +      +
    288D  ALA      3.3     6.3    -      -       -      +
    290D  SER*     1.3    77.8    -      -       -      +
    292D  THR*     1.3    64.5    +      -       -      +
    294D  ALA*     2.8    20.1    +      -       -      +
    295D  SER*     2.8    18.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 292 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216D  PHE*     3.5    28.3    +      -       -      +
    218D  SER      5.1     0.2    -      -       -      +
    219D  THR*     5.2     3.6    -      -       +      -
    272D  GLU*     2.6    26.3    +      -       -      -
    276D  GLN*     2.7    30.4    +      -       -      +
    288D  ALA      3.1     9.5    +      -       -      -
    289D  ALA*     3.7    22.4    -      -       +      +
    290D  SER      3.3     0.4    -      -       -      -
    291D  ILE*     1.3    80.3    -      -       -      +
    293D  ARG*     1.3    63.9    +      -       +      +
    295D  SER*     3.5     5.3    -      -       -      -
    296D  ARG*     3.4    33.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 293 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    286D  ALA*     4.8     4.2    +      -       -      +
    289D  ALA*     3.0    33.9    +      -       +      +
    290D  SER*     3.1    14.6    +      -       -      +
    292D  THR*     1.3    77.6    -      -       +      +
    294D  ALA*     1.3    67.9    +      -       -      +
    296D  ARG*     3.2    53.5    -      -       -      +
    297D  ILE*     4.1     6.9    +      -       -      +
    278E  TYR*     5.7     1.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 294 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    290D  SER      2.8    13.9    +      -       -      +
    291D  ILE*     2.8    13.4    +      -       -      +
    293D  ARG*     1.3    73.6    -      -       -      +
    295D  SER*     1.3    54.6    +      -       -      +
    297D  ILE*     2.7    31.4    +      -       -      +
    298D  ALA*     3.0    15.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 295 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216D  PHE*     3.7    28.3    -      -       -      -
    272D  GLU*     3.5    18.4    -      -       -      +
    291D  ILE*     2.8    19.2    +      -       -      +
    292D  THR      3.5     9.9    -      -       -      -
    294D  ALA*     1.3    70.3    -      -       -      +
    296D  ARG*     1.3    54.5    +      -       -      +
    297D  ILE      2.7    12.8    +      -       -      -
    298D  ALA*     3.0    20.9    +      -       -      +
    299D  PHE*     3.1    27.8    +      -       -      +
    300D  PRO*     3.8     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 296 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216D  PHE*     3.1    32.6    +      -       +      -
    217D  TRP*     3.4    71.2    -      -       +      +
    219D  THR*     6.0     2.4    -      -       -      +
    292D  THR*     3.4    20.1    +      -       -      +
    293D  ARG*     3.2    45.6    -      -       -      +
    294D  ALA      3.0     0.2    +      -       -      -
    295D  SER*     1.3    76.2    -      -       -      +
    297D  ILE*     1.3    67.4    +      -       +      +
    300D  PRO*     3.6    17.7    -      -       -      +
    278E  TYR*     3.8    28.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 297 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    293D  ARG      4.4     6.1    -      -       -      +
    294D  ALA*     2.7    10.7    +      -       -      +
    295D  SER      2.7     2.4    +      -       -      -
    296D  ARG*     1.3    87.3    -      -       +      +
    298D  ALA*     1.3    66.2    +      -       -      +
    299D  PHE      3.1     2.7    +      -       -      -
    300D  PRO*     3.3     5.1    -      -       -      +
    301D  VAL*     3.0    41.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 298 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    294D  ALA*     3.0    10.2    +      -       +      +
    295D  SER*     3.0    18.4    +      -       -      +
    297D  ILE*     1.3    76.0    -      -       -      +
    299D  PHE*     1.3    65.4    +      -       +      +
    301D  VAL*     3.7     4.4    -      -       -      +
    302D  VAL*     2.8    43.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 299 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213D  TRP*     3.5    28.0    -      +       +      -
    216D  PHE*     3.4    37.9    -      +       +      -
    265D  PHE*     3.9    16.7    -      +       -      -
    268D  VAL*     3.4    29.4    -      -       +      -
    269D  ALA*     3.7    26.5    -      -       +      -
    272D  GLU*     4.5     5.4    -      -       +      -
    295D  SER*     3.1    31.6    +      -       -      +
    298D  ALA*     1.3    83.4    -      -       +      +
    300D  PRO*     1.3    73.1    -      -       +      +
    301D  VAL      3.1     0.3    +      -       -      -
    302D  VAL*     3.8     2.6    -      -       -      -
    303D  PHE*     2.9    25.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 300 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213D  TRP*     3.9    31.6    -      -       +      -
    216D  PHE*     5.5     1.1    -      -       +      -
    295D  SER      3.8     1.8    -      -       -      +
    296D  ARG*     3.6    22.9    -      -       -      +
    297D  ILE*     3.3     8.5    -      -       -      +
    299D  PHE*     1.3    95.0    -      -       +      +
    301D  VAL*     1.3    56.7    +      -       +      +
    303D  PHE*     3.7     0.9    -      -       -      +
    304D  LEU*     3.1    36.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 301 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    297D  ILE*     3.0    38.7    +      -       +      +
    298D  ALA*     3.7     5.6    -      -       -      +
    300D  PRO*     1.3    72.1    -      -       +      +
    302D  VAL*     1.3    74.3    +      -       +      +
    303D  PHE      3.0     1.1    -      -       -      -
    304D  LEU*     2.8    18.7    +      -       -      +
    305D  LEU*     2.9    32.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 302 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    265D  PHE*     3.9    19.1    -      -       +      -
    298D  ALA*     2.8    32.0    +      -       +      +
    299D  PHE*     4.0     2.5    -      -       -      +
    301D  VAL*     1.3    78.8    -      -       +      +
    303D  PHE*     1.3    56.5    +      -       -      +
    305D  LEU*     3.7    12.8    -      -       +      +
    306D  ALA*     2.9    33.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 303 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206D  LEU*     3.6    27.8    -      -       +      -
    209D  LEU*     3.6    24.7    -      -       +      -
    210D  PHE*     4.8     5.6    -      +       -      -
    213D  TRP*     4.0    16.4    -      +       +      -
    258D  ILE*     5.8     1.1    -      -       +      -
    261D  MET*     3.3    27.8    -      -       +      -
    262D  ILE*     4.2    15.0    -      -       +      -
    265D  PHE*     3.3    27.7    -      +       +      -
    299D  PHE      2.9    17.7    +      -       -      +
    300D  PRO      3.7     4.5    -      -       -      +
    301D  VAL      2.9     0.8    +      -       -      -
    302D  VAL*     1.3    75.0    -      -       -      +
    304D  LEU*     1.3    69.7    +      -       +      +
    306D  ALA*     4.1     0.6    -      -       -      +
    307D  ASN*     2.8    52.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 304 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    300D  PRO*     3.1    20.7    +      -       +      +
    301D  VAL*     2.8     9.2    +      -       -      +
    303D  PHE*     1.3    80.8    -      -       +      +
    305D  LEU*     1.3    67.3    +      -       +      +
    307D  ASN*     4.6     4.1    -      -       +      +
    308D  ILE*     3.3    36.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 305 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    301D  VAL*     2.9    33.5    +      -       +      +
    302D  VAL*     3.7    14.6    -      -       +      +
    304D  LEU*     1.3    77.2    -      -       +      +
    306D  ALA*     1.3    54.0    +      -       +      +
    308D  ILE*     2.8    12.0    +      -       -      +
    309D  ILE*     2.7    46.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 306 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    261D  MET*     4.0    19.8    -      -       -      +
    265D  PHE*     5.0     2.2    -      -       +      -
    302D  VAL*     2.9    24.0    +      -       +      +
    303D  PHE*     4.1     1.6    -      -       -      +
    305D  LEU*     1.3    78.2    -      -       -      +
    307D  ASN*     1.3    59.1    +      -       -      +
    309D  ILE*     3.6    20.7    -      -       +      +
    310D  LEU*     3.1    30.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 307 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206D  LEU*     6.1     0.6    -      -       -      +
    254D  TYR*     5.2     5.1    +      -       -      -
    258D  ILE*     4.0    31.4    -      -       -      +
    261D  MET*     3.3    28.1    -      -       -      +
    303D  PHE*     2.8    40.8    +      -       +      +
    304D  LEU*     4.6     4.0    -      -       +      +
    306D  ALA*     1.3    72.8    -      -       -      +
    308D  ILE*     1.3    56.3    +      -       +      +
    310D  LEU*     3.5     5.0    +      -       -      +
    311D  ALA*     2.7    34.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 308 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    304D  LEU*     3.3    25.0    +      -       +      +
    305D  LEU*     2.8    11.9    +      -       -      +
    307D  ASN*     1.3    78.1    -      -       +      +
    309D  ILE*     1.3    64.9    +      -       +      +
    311D  ALA*     3.8     8.4    -      -       +      +
    312D  PHE*     3.2    24.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 309 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    305D  LEU*     2.7    26.5    +      -       +      +
    306D  ALA*     3.6    29.4    -      -       +      +
    308D  ILE*     1.3    76.3    -      -       +      +
    310D  LEU*     1.3    58.5    +      -       +      +
    312D  PHE*     3.6     8.7    +      -       +      +
    313D  LEU*     3.0    45.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 310 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    254D  TYR*     4.7     6.7    -      -       +      +
    257D  ALA*     3.8    27.4    -      -       +      -
    258D  ILE*     4.0    23.6    -      -       +      +
    261D  MET*     4.4    14.6    -      -       +      -
    306D  ALA      3.1    17.4    +      -       -      +
    307D  ASN*     3.7     5.6    -      -       -      +
    309D  ILE*     1.3    77.1    -      -       +      +
    311D  ALA*     1.3    68.1    +      -       -      +
    313D  LEU*     2.9    33.9    +      -       +      +
    314D  PHE*     2.9    37.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 311 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    254D  TYR*     4.3    20.5    -      -       -      +
    307D  ASN      2.7    22.1    +      -       -      +
    308D  ILE*     3.8    13.0    -      -       +      +
    310D  LEU*     1.3    72.8    -      -       -      +
    312D  PHE*     1.3    64.0    +      -       -      +
    314D  PHE      3.3     0.7    +      -       -      -
    315D  PHE*     3.2    30.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 312 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    308D  ILE*     3.2    15.6    +      -       +      +
    309D  ILE*     3.7     8.3    -      -       +      +
    310D  LEU      3.1     0.6    -      -       -      -
    311D  ALA*     1.3    77.8    -      -       -      +
    313D  LEU*     1.3    65.7    +      -       +      +
    314D  PHE      2.8    12.1    +      -       -      -
    315D  PHE*     2.9    27.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 313 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    309D  ILE*     3.0    34.3    +      -       +      +
    310D  LEU*     2.9    33.5    +      -       +      +
    312D  PHE*     1.3    80.6    -      -       +      +
    314D  PHE*     1.3    63.4    +      -       +      -
    404D  HXA      5.1    16.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 314 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    117D  ARG*     3.6    32.5    -      -       +      -
    118D  ARG*     3.7    22.6    +      -       +      +
    252D  MET*     3.4    34.5    -      -       +      -
    253D  THR      3.7    11.7    -      -       -      -
    254D  TYR*     3.7    20.0    -      +       +      -
    257D  ALA*     4.1    20.0    -      -       +      -
    310D  LEU*     2.9    29.1    +      -       +      +
    312D  PHE      2.8     1.8    +      -       -      -
    313D  LEU*     1.3    79.7    -      -       +      +
    315D  PHE*     1.3    82.9    +      -       +      +
    404D  HXA      4.8     8.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 315 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    118D  ARG*     3.8    47.1    -      -       +      +
    121D  PHE*     4.2    37.0    -      +       +      -
    254D  TYR*     4.1    24.2    -      +       -      -
    311D  ALA*     3.3    20.4    -      -       -      +
    312D  PHE*     2.9    23.6    +      -       -      +
    313D  LEU      3.7     0.2    -      -       -      -
    314D  PHE*     1.3   109.6    -      -       +      +
----------------------------------------------------------
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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