Contacts of the helix formed by residues 309 - 330 (chain F) in PDB entry 1I43


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 309 (chain F).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    266F  HIS*     4.5     4.3    -      -       -      -
    306F  GLY      3.3    11.1    +      -       -      -
    307F  MET      3.0     0.2    -      -       -      -
    308F  LYS*     1.3    84.1    -      -       -      +
    310F  LEU*     1.3    63.4    +      -       -      +
    311F  HIS*     3.5     8.1    -      -       -      -
    312F  LEU*     3.2    13.8    +      -       +      -
    313F  ARG*     2.9    37.4    +      -       -      +
    266G  HIS*     4.2     8.2    +      -       -      +
    309G  THR*     4.1    14.6    +      -       -      +
    313G  ARG*     3.8    25.8    -      -       +      -
    392G  CYS*     3.8    19.7    -      -       -      -
    428G  VAL*     5.1     0.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 310 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61F  ALA*     4.3     4.3    -      -       +      -
    126F  LEU*     4.0    24.2    -      -       +      -
    241F  THR*     4.7     4.9    -      -       +      -
    242F  PRO*     4.7     3.4    -      -       +      -
    243F  LEU*     3.6    20.9    -      -       +      -
    262F  PHE*     3.6    18.6    -      -       +      +
    263F  LEU*     3.9    26.7    -      -       +      +
    307F  MET*     3.2    23.0    +      -       +      +
    308F  LYS      3.6     0.2    -      -       -      -
    309F  THR*     1.3    74.6    -      -       -      +
    311F  HIS*     1.3    67.4    +      -       -      +
    313F  ARG*     2.9    29.1    +      -       -      +
    314F  VAL*     2.8    40.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 311 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57F  ASP*     5.7     0.2    -      -       +      -
     58F  GLY*     3.3    37.7    +      -       -      +
     61F  ALA*     4.9     2.8    -      -       +      +
     62F  ILE*     3.9     8.4    -      -       +      +
    243F  LEU*     3.3    22.1    -      -       +      +
    308F  LYS      3.5    14.5    -      -       -      -
    309F  THR*     4.1     0.7    -      -       -      -
    310F  LEU*     1.3    79.0    +      -       -      +
    312F  LEU*     1.3    83.3    +      -       +      +
    314F  VAL*     4.1     0.4    -      -       -      +
    315F  GLN*     3.1    38.6    +      -       -      +
    316G  GLN*     5.2     1.8    -      -       -      -
    428G  VAL*     3.2    46.2    +      -       +      +
    429G  GLU      5.4     0.7    -      -       -      -
    430G  ASP*     4.7     9.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 312 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    309F  THR*     3.2    14.3    +      -       +      +
    310F  LEU      3.0     0.4    +      -       -      -
    311F  HIS*     1.3   109.5    -      -       +      +
    313F  ARG*     1.3    66.3    +      -       -      +
    315F  GLN*     3.6    12.8    -      -       -      +
    316F  GLN*     3.4    14.7    +      -       -      +
    312G  LEU*     3.8    26.2    -      -       +      +
    313G  ARG*     3.6    30.1    -      -       +      +
    316G  GLN*     4.1    26.9    -      -       +      +
    428G  VAL*     3.5    25.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 313 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    262F  PHE*     2.8    25.6    +      -       -      +
    263F  LEU      3.5     7.5    +      -       -      -
    264F  GLY      4.6     0.4    -      -       -      -
    265F  GLY*     3.2    19.0    -      -       -      -
    266F  HIS*     4.4     3.4    -      -       -      -
    306F  GLY      2.9    22.4    +      -       -      -
    309F  THR*     2.9    24.8    +      -       -      +
    310F  LEU*     2.9    35.1    +      -       -      +
    312F  LEU*     1.3    74.1    -      -       -      +
    314F  VAL*     1.3    66.9    +      -       -      +
    316F  GLN*     3.0     6.6    +      -       -      +
    317F  GLN*     2.9    35.5    +      -       -      +
    390F  GLY      4.2     6.6    +      -       -      -
    391F  GLY      6.1     0.2    -      -       -      -
    392F  CYS*     4.0    15.3    -      -       -      +
    428F  VAL*     4.2     7.2    -      -       +      -
    309G  THR*     3.9    30.1    -      -       +      -
    312G  LEU*     3.8    13.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 314 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241F  THR*     4.2    15.9    -      -       +      +
    243F  LEU*     3.5    28.0    -      -       +      -
    244F  ASN*     4.1    15.3    -      -       -      +
    262F  PHE*     5.3     9.9    -      -       +      -
    310F  LEU*     2.8    39.9    +      -       +      +
    311F  HIS      4.2     0.2    -      -       -      +
    313F  ARG*     1.3    72.4    -      -       +      +
    315F  GLN*     1.3    64.0    +      -       -      +
    317F  GLN*     3.2     8.8    +      -       +      -
    318F  ASN*     2.8    45.7    +      -       -      +
    359F  GLY*     6.1     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 315 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    311F  HIS*     3.1    31.1    +      -       -      +
    312F  LEU*     3.6    13.8    -      -       -      +
    314F  VAL*     1.3    80.2    -      -       -      +
    316F  GLN*     1.3    62.9    +      -       -      +
    318F  ASN*     3.4     8.9    +      -       -      +
    319F  SER*     3.3    23.1    +      -       -      -
    316G  GLN*     5.4     4.0    +      -       -      +
    430G  ASP*     5.4     5.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 316 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312F  LEU      3.4     8.2    +      -       -      +
    313F  ARG      3.0     9.2    +      -       -      +
    315F  GLN*     1.3    79.2    -      -       -      +
    317F  GLN*     1.3    64.2    +      -       -      +
    319F  SER*     3.2     8.6    +      -       -      -
    320F  THR*     3.1    31.3    +      -       -      +
    427F  GLY      5.0     0.2    -      -       -      +
    428F  VAL*     3.3    38.8    +      -       +      +
    429F  GLU      3.4    12.9    +      -       -      -
    430F  ASP*     4.6     7.3    +      -       -      +
    431F  PHE*     4.7     3.4    -      -       -      +
    311G  HIS*     5.1     2.6    +      -       -      -
    312G  LEU*     4.1    21.2    -      -       +      +
    315G  GLN*     5.4     6.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 317 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    262F  PHE*     3.5    26.7    -      -       +      -
    313F  ARG*     2.9    32.9    +      -       -      +
    314F  VAL*     3.7     6.3    +      -       +      +
    316F  GLN*     1.3    74.8    -      -       -      +
    318F  ASN*     1.3    64.0    +      -       -      +
    320F  THR*     4.1     3.5    -      -       -      +
    321F  ALA*     2.9    28.4    +      -       -      +
    360F  GLY*     3.7    16.1    -      -       -      +
    390F  GLY*     3.4    23.7    +      -       -      +
    391F  GLY      4.2     5.1    +      -       -      -
    425F  SER*     5.4     0.2    +      -       -      -
    426F  PHE*     2.6    30.7    +      -       -      +
    427F  GLY      3.3    20.0    +      -       -      +
    428F  VAL*     4.4     6.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 318 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    244F  ASN*     2.8    33.9    +      -       -      +
    314F  VAL*     2.8    30.6    +      -       -      +
    315F  GLN*     3.5     8.7    -      -       -      +
    317F  GLN*     1.3    72.5    -      -       -      +
    319F  SER*     1.3    63.8    +      -       -      +
    322F  LEU*     3.2    19.1    +      -       -      +
    339F  TYR*     3.5     7.8    +      -       -      -
    356F  THR      5.1     0.4    +      -       -      -
    357F  GLY*     3.6     9.4    -      -       -      -
    358F  PHE      4.1     4.9    -      -       -      +
    359F  GLY*     3.0    34.2    +      -       -      -
    360F  GLY      4.2     0.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 319 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    315F  GLN      3.3    11.3    +      -       -      -
    316F  GLN*     3.2    11.0    +      -       -      -
    317F  GLN      3.2     0.8    -      -       -      -
    318F  ASN*     1.3    73.2    -      -       -      +
    320F  THR*     1.3    70.2    +      -       -      +
    321F  ALA      3.0     0.9    -      -       -      -
    322F  LEU*     2.9    17.8    +      -       -      +
    323F  ARG*     3.0    38.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 320 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    316F  GLN*     3.1    28.7    +      -       -      +
    317F  GLN*     4.1     3.8    -      -       -      -
    319F  SER*     1.3    78.1    -      -       -      +
    321F  ALA*     1.3    63.7    +      -       -      +
    323F  ARG*     4.1     3.1    +      -       -      +
    324F  MET*     2.9    32.0    +      -       +      +
    426F  PHE*     3.6    30.7    -      -       +      -
    427F  GLY      5.4     1.7    +      -       -      -
    429F  GLU      4.7     2.8    +      -       -      -
    431F  PHE*     3.9    33.6    -      -       +      +
    434F  LEU*     3.8    18.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 321 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    317F  GLN      2.9    20.2    +      -       -      +
    318F  ASN      3.7     0.2    -      -       -      +
    319F  SER      2.9     0.6    +      -       -      -
    320F  THR*     1.3    78.8    -      -       -      +
    322F  LEU*     1.3    51.6    +      -       -      +
    324F  MET*     3.6     1.9    -      -       -      +
    325F  ALA*     2.7    35.2    +      -       -      +
    339F  TYR*     3.5    11.4    -      -       +      +
    359F  GLY      3.1    22.4    -      -       -      +
    360F  GLY*     3.6    14.8    -      -       -      +
    362F  VAL*     3.8     8.8    -      -       +      +
    426F  PHE*     3.8    12.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 322 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    318F  ASN      3.2    10.1    +      -       -      +
    319F  SER*     2.9    12.7    +      -       -      +
    321F  ALA*     1.3    74.5    -      -       -      +
    323F  ARG*     1.3    68.7    +      -       +      +
    325F  ALA*     2.7    15.4    +      -       -      +
    326F  GLU*     3.1    26.1    +      -       -      +
    339F  TYR*     3.5    31.1    +      -       +      +
    341F  GLY*     4.0    21.3    -      -       -      +
    342F  LEU*     4.5     7.9    -      -       +      -
    358F  PHE*     4.9    11.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 323 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    319F  SER*     3.0    34.7    +      -       -      +
    320F  THR*     4.1     3.0    +      -       -      +
    322F  LEU*     1.3    80.8    -      -       +      +
    324F  MET*     1.3    61.9    +      -       -      +
    326F  GLU*     3.4    14.9    +      -       -      +
    327F  ILE*     3.2    28.5    +      -       +      +
    431F  PHE*     3.0    58.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with MET 324 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    320F  THR*     2.9    24.9    +      -       +      +
    321F  ALA      3.6     1.1    -      -       -      +
    323F  ARG*     1.3    74.6    -      -       -      +
    325F  ALA*     1.3    66.3    +      -       -      +
    327F  ILE*     4.4    13.9    -      -       +      -
    328F  LEU*     2.9    44.4    +      -       +      +
    426F  PHE*     3.5    28.5    -      -       +      -
    431F  PHE*     3.4    25.1    -      -       +      -
    434F  LEU*     5.6     0.2    -      -       +      -
    435F  LYS*     3.7    27.6    -      -       +      +
    438F  ILE*     3.4    31.9    -      -       +      -
    439F  LEU*     5.8     1.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 325 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    321F  ALA      2.7    13.2    +      -       -      +
    322F  LEU      2.7    15.7    +      -       -      +
    324F  MET*     1.3    72.7    -      -       -      +
    326F  GLU*     1.3    56.3    +      -       -      +
    328F  LEU*     3.2     5.2    +      -       -      +
    329F  GLU*     2.8    28.8    +      -       -      +
    337F  VAL*     3.9    10.4    -      -       +      +
    339F  TYR*     3.9    31.9    -      -       +      -
    342F  LEU*     3.9    16.4    -      -       +      -
    362F  VAL*     4.4     8.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 326 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    322F  LEU*     3.1    26.6    +      -       +      +
    323F  ARG*     3.6    12.7    -      -       -      +
    325F  ALA*     1.3    72.4    -      -       -      +
    327F  ILE*     1.3    68.7    +      -       +      +
    329F  GLU*     2.8    17.3    +      -       -      +
    330F  ALA*     3.0    14.5    +      -       -      +
    342F  LEU*     3.8    20.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 327 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    323F  ARG*     3.2    14.0    +      -       +      +
    324F  MET*     3.8    17.0    -      -       +      +
    326F  GLU*     1.3    79.5    -      -       +      +
    328F  LEU*     1.3    64.6    +      -       +      +
    330F  ALA*     3.3     6.6    +      -       -      +
    331F  HIS*     3.1    21.9    +      -       +      +
    431F  PHE*     4.0    14.1    -      -       +      -
    435F  LYS*     3.7    32.8    -      -       +      +
    439F  LEU*     4.3    26.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 328 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    324F  MET*     2.9    37.2    +      -       +      +
    325F  ALA      3.3     4.5    -      -       -      +
    327F  ILE*     1.3    79.3    -      -       +      +
    329F  GLU*     1.3    62.3    +      -       -      +
    331F  HIS*     3.0    13.9    +      -       +      +
    334F  VAL*     3.2    38.6    -      -       +      +
    337F  VAL*     3.8    11.2    -      -       +      -
    362F  VAL*     4.3    13.5    -      -       +      -
    364F  PHE*     3.6    39.9    -      -       +      -
    426F  PHE*     4.9     6.3    -      -       +      -
    438F  ILE*     4.0    24.0    -      -       +      -
    439F  LEU*     6.2     1.6    -      -       +      -
    442F  LEU*     4.3     8.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 329 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    325F  ALA      2.8    12.2    +      -       -      +
    326F  GLU*     2.8    14.8    +      -       -      +
    328F  LEU*     1.3    73.7    -      -       -      +
    330F  ALA*     1.3    60.6    +      -       +      +
    331F  HIS      3.2     6.3    +      -       -      +
    334F  VAL*     4.5     5.5    -      -       -      +
    336F  HIS*     5.6     1.4    +      -       -      -
    337F  VAL*     3.6    23.8    +      -       +      +
    342F  LEU*     3.7    23.3    -      -       +      +
    343F  GLN      5.3     0.7    +      -       -      -
    344F  SER*     2.7    31.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 330 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    326F  GLU      3.0    13.7    +      -       -      +
    327F  ILE*     3.7     6.7    -      -       -      +
    329F  GLU*     1.3    74.9    -      -       +      +
    331F  HIS*     1.3    61.9    +      -       -      +
    332F  PRO*     3.6     5.5    -      -       -      +
----------------------------------------------------------
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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