Contacts of the helix formed by residues 587 - 613 (chain B) in PDB entry 5OC9


Residue contacts within the protein are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332). A short description of the analytical approach is given at the end of the page.
For CSU analysis of other PDB entry

Note:
Non-standard 3 letter residue codes indicate a heterogroup. To identify and analyse, use LPC software

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with SER 587 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    584B  PHE*     3.4    32.3    -      -       -      +
    585B  PRO*     4.6     2.4    -      -       -      +
    586B  GLU*     1.4    72.5    -      -       -      +
    588B  LYS*     1.3    62.3    +      -       -      +
    589B  ALA*     3.3     4.7    -      -       -      +
    590B  ASP*     3.7    26.9    -      -       -      -
    591B  LEU      3.6     4.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 588 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    589A  ALA*     4.0    17.9    -      -       +      -
    581B  ASN*     2.8    42.7    +      -       -      +
    584B  PHE      2.8    26.7    +      -       -      +
    585B  PRO*     3.6    14.3    +      -       -      +
    586B  GLU      2.9    16.3    +      -       -      +
    587B  SER*     1.3    70.6    -      -       -      +
    589B  ALA*     1.3    63.3    +      -       -      +
    590B  ASP      3.4     0.2    -      -       -      -
    591B  LEU*     3.5    14.3    -      -       +      +
    592B  ILE*     3.2    29.5    +      -       +      +
    704B   CA      4.0     5.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 589 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    588A  LYS*     4.0    13.7    -      -       +      -
    589A  ALA*     4.0    21.3    -      -       -      +
    592A  ILE*     3.6    26.5    -      -       +      +
    587B  SER*     5.1     1.8    -      -       -      -
    588B  LYS*     1.3    75.5    -      -       -      +
    590B  ASP*     1.4    67.8    +      -       -      +
    592B  ILE*     3.5     3.7    +      -       -      +
    593B  LEU*     3.1    27.5    +      -       +      +
    704B   CA      3.9     5.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 590 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    584B  PHE*     4.3    12.3    -      -       +      -
    587B  SER*     3.7    28.0    +      -       -      +
    588B  LYS      3.4     0.2    -      -       -      -
    589B  ALA*     1.4    77.4    -      -       -      +
    591B  LEU*     1.3    59.3    +      -       -      +
    593B  LEU*     3.1    16.9    +      -       -      +
    594B  ILE*     3.0    37.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 591 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    575B  GLY      3.9    15.0    -      -       -      +
    580B  VAL*     3.6    32.5    -      -       +      +
    581B  ASN*     3.4    25.8    -      -       -      +
    584B  PHE*     3.6    40.3    -      -       +      -
    587B  SER      3.6     2.5    +      -       -      +
    588B  LYS*     3.5    25.4    -      -       +      +
    590B  ASP*     1.3    76.7    -      -       -      +
    592B  ILE*     1.4    63.3    +      -       +      +
    594B  ILE*     3.2     5.9    +      -       -      +
    595B  VAL*     3.0    40.3    +      -       +      +
    708B  79M      5.1     1.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 592 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    589A  ALA*     3.7    35.4    -      -       +      +
    592A  ILE*     3.7    22.4    -      -       +      -
    593A  LEU*     3.9    33.4    -      -       +      -
    596A  VAL*     5.1     0.2    -      -       +      -
    588B  LYS*     3.2    18.8    +      -       +      +
    589B  ALA      3.8     5.8    -      -       -      +
    591B  LEU*     1.4    81.8    -      -       +      +
    593B  LEU*     1.3    53.7    +      -       -      +
    595B  VAL*     3.2     8.0    +      -       +      +
    596B  VAL*     2.8    50.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 593 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    592A  ILE*     3.9    32.1    -      -       +      -
    589B  ALA*     3.1    22.9    +      -       +      +
    590B  ASP*     3.1    16.6    +      -       -      +
    592B  ILE*     1.3    76.0    -      -       -      +
    594B  ILE*     1.4    57.9    +      -       +      +
    596B  VAL*     4.0     7.9    -      -       +      +
    597B  ALA*     3.0    29.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 594 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    584B  PHE*     4.3    16.8    -      -       +      -
    590B  ASP*     3.0    27.3    +      -       +      +
    591B  LEU*     3.2     6.9    +      -       -      +
    593B  LEU*     1.4    75.8    -      -       +      +
    595B  VAL*     1.4    57.9    +      -       -      +
    597B  ALA*     3.2     6.8    +      -       -      +
    598B  VAL*     2.9    40.0    +      -       +      +
    708B  79M      3.6    32.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 595 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    571B  CYS*     3.4    33.8    -      -       +      +
    572B  ALA*     4.6     4.0    -      -       -      +
    575B  GLY*     3.9    17.0    -      -       -      -
    591B  LEU*     3.0    25.3    +      -       +      +
    592B  ILE*     3.5     9.6    -      -       +      +
    594B  ILE*     1.4    73.6    -      -       -      +
    596B  VAL*     1.4    55.1    +      -       +      +
    598B  VAL*     3.2     5.0    +      -       -      +
    599B  GLU*     2.8    34.0    +      -       +      +
    708B  79M      3.7    32.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 596 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    593A  LEU*     6.2     0.2    -      -       +      -
    596A  VAL*     3.8    43.5    -      -       +      -
    592B  ILE*     2.8    35.9    +      -       +      +
    593B  LEU*     4.0     8.1    -      -       +      +
    595B  VAL*     1.4    71.3    -      -       +      +
    597B  ALA*     1.3    58.5    +      -       -      +
    599B  GLU*     3.3    10.2    +      -       -      +
    600B  HIS*     2.8    60.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 597 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    593B  LEU      3.0    19.7    +      -       -      +
    594B  ILE*     3.2     8.0    +      -       +      +
    596B  VAL*     1.3    76.8    -      -       -      +
    598B  VAL*     1.4    58.2    +      -       +      +
    600B  HIS*     3.3     8.0    +      -       -      +
    601B  ALA*     3.0    28.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 598 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    571B  CYS*     4.4     1.1    -      -       -      -
    594B  ILE*     2.9    27.8    +      -       +      +
    595B  VAL*     3.5     9.9    -      -       -      +
    597B  ALA*     1.4    74.2    -      -       +      +
    599B  GLU*     1.3    56.3    +      -       -      +
    601B  ALA*     3.3     8.6    +      -       -      +
    602B  LEU*     2.9    48.6    +      -       +      +
    708B  79M      3.9    33.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 599 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    600A  HIS*     2.8    36.7    +      -       -      -
    567B  VAL*     3.8    20.1    -      -       +      +
    568B  VAL*     3.4    27.3    -      -       -      +
    571B  CYS*     3.8    21.5    -      -       +      -
    595B  VAL*     2.8    17.1    +      -       +      +
    596B  VAL*     3.5     9.2    -      -       -      +
    597B  ALA      3.3     0.2    -      -       -      -
    598B  VAL*     1.3    77.3    -      -       -      +
    600B  HIS*     1.3    75.7    +      -       -      +
    602B  LEU*     3.5     2.1    +      -       -      +
    603B  LEU*     3.0    38.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 600 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    568A  VAL*     4.5     7.9    -      -       +      -
    599A  GLU*     2.8    41.0    +      -       -      -
    600A  HIS*     4.1     4.2    +      +       -      -
    603A  LEU*     4.6     6.2    -      -       +      +
    708A  79M      3.8    44.7    -      -       +      +
    596B  VAL*     2.8    45.5    +      -       +      +
    597B  ALA*     3.3     7.8    +      -       -      +
    599B  GLU*     1.3    88.6    +      -       -      +
    601B  ALA*     1.3    64.0    +      -       -      +
    603B  LEU*     3.5     9.9    +      -       +      +
    604B  ALA*     3.1    23.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 601 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    597B  ALA      3.0    14.1    +      -       -      +
    598B  VAL*     3.3    11.2    +      -       -      +
    600B  HIS*     1.3    76.4    -      -       -      +
    602B  LEU*     1.4    56.3    +      -       +      +
    604B  ALA*     3.4     7.0    +      -       -      +
    605B  LEU*     3.0    40.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 602 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    248B  SER*     5.7     3.1    -      -       -      +
    251B  LEU*     3.8    19.1    -      -       +      -
    567B  VAL*     3.8    10.3    -      -       +      -
    571B  CYS*     3.8    20.0    -      -       -      -
    598B  VAL*     2.9    39.9    +      -       +      +
    599B  GLU      3.8     4.0    -      -       -      +
    601B  ALA*     1.4    74.3    -      -       +      +
    603B  LEU*     1.4    54.8    +      -       -      +
    605B  LEU*     3.2    14.6    +      -       +      +
    606B  LYS*     2.8    36.2    +      -       -      +
    708B  79M      3.8    22.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 603 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    600A  HIS*     4.8     5.6    -      -       -      +
    708A  79M      4.1    18.6    -      -       +      -
    564B  VAL*     4.0    26.2    -      -       +      +
    567B  VAL*     3.9    28.2    -      -       +      +
    568B  VAL*     5.2     2.2    -      -       +      -
    599B  GLU*     3.0    45.6    +      -       +      +
    600B  HIS*     3.8    10.8    -      -       +      +
    601B  ALA      3.4     0.2    -      -       -      -
    602B  LEU*     1.4    74.0    -      -       -      +
    604B  ALA*     1.4    60.0    +      -       -      +
    606B  LYS*     3.6     4.2    +      -       +      +
    607B  PHE*     3.2    17.8    +      -       -      +
    709B  79M      3.4    39.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 604 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    708A  79M      4.5    12.7    -      -       +      +
    709A  79M      3.8    30.3    -      -       +      +
    600B  HIS      3.1    13.8    +      -       -      +
    601B  ALA*     3.6    10.5    -      -       -      +
    602B  LEU      3.3     0.2    -      -       -      -
    603B  LEU*     1.4    74.3    -      -       -      +
    605B  LEU*     1.4    58.3    +      -       +      +
    607B  PHE*     3.3     5.6    +      -       -      +
    608B  ILE*     3.0    37.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 605 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    601B  ALA*     3.0    30.6    +      -       +      +
    602B  LEU*     3.6    16.2    -      -       +      +
    604B  ALA*     1.4    73.0    -      -       +      +
    606B  LYS*     1.3    59.9    +      -       -      +
    608B  ILE*     3.8    17.0    -      -       +      +
    609B  LEU*     3.0    31.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 606 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    251B  LEU*     3.3    26.3    +      -       -      +
    254B  SER*     3.5     7.3    -      -       -      -
    255B  THR*     2.8    36.4    +      -       -      +
    563B  SER*     3.3    44.5    +      -       -      +
    564B  VAL*     4.7     5.2    -      -       +      -
    567B  VAL*     3.7    24.7    -      -       +      -
    602B  LEU      2.8    17.5    +      -       -      +
    603B  LEU*     3.7     8.1    -      -       +      +
    605B  LEU*     1.3    75.3    -      -       -      +
    607B  PHE*     1.4    60.7    +      -       -      +
    609B  LEU*     3.7     4.8    +      -       -      -
    610B  ALA*     3.2    23.0    +      -       -      +
    709B  79M      3.7    20.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 607 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    557A  LEU*     4.8     4.3    -      -       +      -
    708A  79M      5.0     4.5    -      -       +      -
    709A  79M      3.2    68.6    -      -       +      -
    711A  79M      4.5    17.9    -      -       +      -
    603B  LEU      3.2    14.6    +      -       -      +
    604B  ALA*     3.5     9.0    -      -       -      +
    606B  LYS*     1.4    74.8    -      -       -      +
    608B  ILE*     1.4    62.8    +      -       +      +
    610B  ALA*     3.3     3.5    +      -       -      +
    611B  PHE*     2.9    44.5    +      +       +      +
    709B  79M      3.2    37.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 608 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    315A  TYR*     6.2     3.4    -      -       +      -
    709A  79M      3.8    28.0    -      -       +      -
    710A  79M      5.3    15.0    -      -       +      -
    711A  79M      4.4    23.8    -      -       +      -
    604B  ALA*     3.0    26.0    +      -       +      +
    605B  LEU*     3.8    19.1    -      -       +      +
    606B  LYS      3.5     0.2    -      -       -      -
    607B  PHE*     1.4    76.7    -      -       +      +
    609B  LEU*     1.4    52.4    +      -       -      +
    611B  PHE*     3.2     7.3    +      -       -      +
    612B  ALA*     2.8    38.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 609 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    252B  ILE*     4.4    18.6    -      -       +      +
    255B  THR*     3.8    26.0    -      -       +      +
    256B  VAL*     4.0    18.2    -      -       +      -
    605B  LEU      3.0    17.9    +      -       -      +
    606B  LYS*     3.9     6.1    -      -       -      +
    608B  ILE*     1.4    75.7    -      -       -      +
    610B  ALA*     1.3    57.4    +      -       -      +
    612B  ALA*     3.4     8.1    +      -       +      +
    613B  ILE*     3.1    51.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 610 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    255B  THR*     3.9     2.9    -      -       +      +
    259B  GLU*     3.1    23.4    -      -       -      +
    560B  GLU*     5.4     0.4    -      -       -      +
    606B  LYS      3.2    18.2    +      -       -      +
    607B  PHE*     3.3     5.1    +      -       +      +
    609B  LEU*     1.3    74.2    -      -       -      +
    611B  PHE*     1.3    57.8    +      -       -      +
    613B  ILE      3.1     5.5    -      -       -      +
    703B   CA      2.4    31.5    -      -       -      -
    709B  79M      3.7    28.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 611 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    557A  LEU*     5.1    14.8    -      -       +      -
    711A  79M      3.6    37.9    -      -       +      -
    607B  PHE*     2.9    34.3    +      +       +      +
    608B  ILE*     3.5     9.0    -      -       -      +
    610B  ALA*     1.3    76.0    -      -       -      +
    612B  ALA*     1.3    65.9    +      -       -      +
    613B  ILE      4.0     4.0    -      -       -      +
    614B  PRO*     5.3     1.0    -      -       -      +
    703B   CA      4.6     0.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 612 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    315A  TYR*     3.4    34.9    +      -       +      +
    608B  ILE*     2.8    23.9    +      -       +      +
    609B  LEU*     3.7     9.9    -      -       +      +
    611B  PHE*     1.3    77.4    -      -       +      +
    613B  ILE*     1.3    62.3    +      -       +      +
    614B  PRO*     3.4    11.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 613 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    256B  VAL*     4.3    18.8    -      -       +      +
    259B  GLU*     3.1    36.8    -      -       +      +
    260B  LEU*     5.1     4.5    -      -       +      +
    263B  ARG*     3.9    24.9    -      -       -      +
    609B  LEU*     3.1    43.3    +      -       +      +
    610B  ALA      3.1     0.7    -      -       -      +
    611B  PHE      4.0     3.2    -      -       -      +
    612B  ALA*     1.3    75.0    -      -       +      +
    614B  PRO*     1.4    62.2    -      -       +      +
    703B   CA      2.4    30.5    -      -       -      -
----------------------------------------------------------
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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