Contacts of the helix formed by residues 817 - 839 (chain A) in PDB entry 1S0V


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 ILE 817 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    446A  LEU*     3.3    11.2    -      -       +      -
    448A  LYS*     3.9    14.1    -      -       +      +
    449A  GLY*     4.9     0.2    -      -       -      -
    450A  LYS*     3.7    33.0    -      -       +      +
    530A  CYS      3.8     0.7    -      -       -      +
    531A  SER*     3.2    39.7    -      -       -      +
    532A  LEU      3.9     2.0    -      -       -      -
    806A  SER*     4.7     8.1    -      -       -      -
    816A  THR*     1.3    81.7    -      -       +      +
    818A  PRO*     1.3    75.8    -      -       +      +
    819A  ALA*     2.7     8.5    +      -       +      -
    820A  ASP*     2.9    38.6    +      -       -      +
    821A  ALA*     2.8    19.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 818 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    450A  LYS*     5.9     0.7    -      -       +      +
    452A  ILE*     4.6    13.2    -      -       +      -
    456A  GLY*     3.5    33.9    -      -       -      +
    459A  TRP*     4.4     1.4    -      -       -      -
    460A  LEU*     4.9     2.9    -      -       +      -
    530A  CYS*     2.8    50.7    -      -       +      +
    532A  LEU      3.8    11.3    -      -       -      +
    534A  LEU*     3.8    21.5    -      -       +      -
    816A  THR      3.8     1.6    -      -       -      -
    817A  ILE*     1.3    89.2    -      -       +      -
    819A  ALA*     1.3    60.5    +      -       +      +
    821A  ALA*     2.7    20.9    -      -       +      +
    822A  ALA*     4.1     1.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 819 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    450A  LYS*     3.6    42.0    -      -       +      +
    451A  PRO      4.2    13.2    -      -       -      +
    452A  ILE*     4.5    10.1    -      -       -      +
    456A  GLY*     4.6     1.7    -      -       -      -
    817A  ILE*     2.7     6.7    +      -       +      -
    818A  PRO*     1.3    76.9    -      -       +      +
    820A  ASP*     1.3    60.1    +      -       -      +
    821A  ALA      2.9     8.1    +      -       -      -
    822A  ALA*     3.8    12.0    +      -       -      +
    823A  ASN*     5.2     1.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 820 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    450A  LYS*     3.3    26.4    +      -       -      +
    803A  GLY      4.3     2.9    -      -       -      +
    804A  ILE*     3.2    46.3    -      -       +      +
    805A  GLU*     3.9     6.9    +      -       -      +
    806A  SER*     4.8     1.4    +      -       -      -
    816A  THR*     3.6    13.6    -      -       +      +
    817A  ILE*     2.9    31.8    +      -       -      +
    819A  ALA*     1.3    71.0    -      -       -      +
    821A  ALA*     1.3    64.6    +      -       -      +
    822A  ALA      3.3     0.4    -      -       -      -
    823A  ASN*     3.0    16.2    -      -       -      +
    824A  LEU      2.9    19.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 821 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    459A  TRP*     4.0    17.7    -      -       +      -
    534A  LEU*     4.7     5.6    -      -       +      +
    536A  PHE*     3.8    18.2    -      -       +      -
    816A  THR*     4.5     5.8    -      -       -      +
    817A  ILE      2.8    11.3    +      -       -      +
    818A  PRO*     2.7    27.4    -      -       +      +
    819A  ALA      2.9     1.6    -      -       -      -
    820A  ASP*     1.3    76.9    -      -       -      +
    822A  ALA*     1.3    63.5    +      -       -      +
    823A  ASN      2.8     1.2    +      -       -      -
    824A  LEU*     2.9    15.7    +      -       -      +
    825A  PHE*     3.2    14.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 822 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    455A  GLU*     4.4    19.1    -      -       +      +
    456A  GLY*     6.4     0.2    -      -       -      -
    459A  TRP*     3.2    26.1    +      -       +      +
    818A  PRO      4.1     0.4    +      -       -      +
    819A  ALA      3.8    10.4    +      -       -      +
    821A  ALA*     1.3    79.6    -      -       -      +
    823A  ASN*     1.3    65.7    -      -       -      +
    825A  PHE*     3.4    15.2    -      -       -      +
    826A  LYS*     3.8     7.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 823 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    802A  TYR*     3.1    46.4    -      -       +      +
    804A  ILE*     3.6    13.1    -      -       +      +
    819A  ALA      5.2     0.7    -      -       -      +
    820A  ASP*     3.0    18.0    -      -       -      +
    822A  ALA*     1.3    80.3    -      -       -      +
    824A  LEU*     1.3    75.0    +      -       -      +
    825A  PHE      3.1     1.3    -      -       -      -
    826A  LYS*     2.6    18.6    +      -       -      +
    827A  ALA*     2.7    11.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 824 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    536A  PHE*     4.5    10.8    -      -       +      -
    794A  THR*     3.6    29.6    -      -       +      -
    798A  ALA*     4.4     9.9    -      -       +      -
    804A  ILE*     3.6     5.7    -      -       +      +
    807A  PHE*     4.6    11.9    -      -       +      -
    814A  PHE*     3.7    20.0    -      -       +      +
    815A  GLY*     3.6    27.4    -      -       -      +
    816A  THR*     2.7    30.7    -      -       -      +
    820A  ASP      2.9     8.6    +      -       -      +
    821A  ALA*     2.9     9.1    +      -       -      +
    823A  ASN*     1.3    77.2    -      -       -      +
    825A  PHE*     1.3    54.7    +      -       -      +
    826A  LYS      2.6     3.1    +      -       -      -
    827A  ALA*     2.4    31.4    +      -       -      -
    828A  VAL*     3.0    14.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 825 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    459A  TRP*     3.0    42.4    -      +       +      -
    475A  PHE*     3.8    13.5    -      +       -      -
    536A  PHE*     4.0    32.0    -      +       +      -
    821A  ALA      3.2     7.1    +      -       -      +
    822A  ALA      3.4    14.6    -      -       -      +
    824A  LEU*     1.3    78.2    -      -       -      +
    826A  LYS*     1.3    58.1    +      -       +      +
    828A  VAL*     2.7    21.1    -      -       -      +
    829A  ARG*     2.4    80.0    +      -       -      +
    879A  ASP*     3.3    13.0    -      -       -      -
    882A  PHE*     5.2     5.2    -      +       +      -
    883A  ALA      5.8     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 826 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    802A  TYR*     3.5    15.0    -      -       +      +
    822A  ALA      4.2     7.0    -      -       -      +
    823A  ASN*     2.6    13.0    +      -       -      +
    824A  LEU      2.6     3.2    +      -       -      -
    825A  PHE*     1.3    76.6    -      -       +      +
    827A  ALA*     1.3    68.5    +      -       -      +
    828A  VAL      2.9     2.1    +      -       -      -
    829A  ARG*     3.2     7.8    +      -       +      +
    830A  GLU*     2.8    52.9    +      -       +      +
    876A  LEU*     6.1     3.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 827 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    794A  THR*     4.1     5.4    -      -       +      -
    797A  TRP*     3.5    21.1    -      -       +      +
    798A  ALA*     3.2    35.0    -      -       +      -
    802A  TYR*     4.5     6.6    +      -       +      -
    823A  ASN      2.7    10.3    +      -       -      +
    824A  LEU*     2.4    23.3    +      -       -      +
    826A  LYS*     1.3    68.5    -      -       -      +
    828A  VAL*     1.3    48.9    +      -       -      +
    830A  GLU*     2.8     6.6    -      -       -      +
    831A  THR*     2.5    36.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 828 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    536A  PHE*     6.0     2.0    -      -       +      -
    790A  HIS*     4.2     3.1    -      -       +      -
    794A  THR*     3.5    23.3    -      -       +      +
    814A  PHE*     3.7    19.5    -      -       +      -
    824A  LEU*     3.0     9.9    +      -       +      +
    825A  PHE*     2.7    38.6    -      -       -      +
    827A  ALA*     1.3    69.3    -      -       -      +
    829A  ARG*     1.3    56.9    +      -       -      +
    830A  GLU      2.6     7.2    +      -       -      -
    831A  THR*     2.8     8.3    +      -       -      +
    832A  MET*     2.6    36.9    +      -       -      +
    883A  ALA*     3.4    43.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 829 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    825A  PHE*     2.4    66.5    +      -       -      +
    826A  LYS*     3.2     8.2    +      -       +      +
    828A  VAL*     1.3    82.7    -      -       +      +
    830A  GLU*     1.3    55.8    +      -       -      +
    832A  MET*     4.1     3.4    -      -       -      -
    833A  VAL*     2.9    30.3    -      -       -      +
    875A  ILE*     2.7    38.4    -      -       +      +
    876A  LEU*     2.9    23.3    -      -       +      +
    877A  GLU      4.8     0.4    -      -       -      -
    878A  SER*     2.4    35.4    +      -       -      +
    879A  ASP*     2.6    14.8    +      -       -      +
    881A  ALA*     4.6     2.3    -      -       -      -
    882A  PHE*     4.1    16.5    -      -       -      +
    883A  ALA*     4.2    10.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 830 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    797A  TRP*     2.6    42.8    +      -       +      +
    802A  TYR*     2.2    27.5    +      -       -      -
    826A  LYS*     2.8    40.3    +      -       +      +
    827A  ALA      2.8    13.5    -      -       -      +
    828A  VAL      2.6     0.6    +      -       -      -
    829A  ARG*     1.3    77.0    -      -       -      +
    831A  THR*     1.3    64.7    +      -       -      +
    832A  MET      2.5     4.7    +      -       -      -
    833A  VAL*     3.0    13.9    +      -       -      +
    834A  ASP*     3.2    11.8    +      -       -      +
    876A  LEU*     4.0    14.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 831 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    790A  HIS*     3.2    21.6    -      -       +      +
    793A  LYS*     3.1    18.2    -      -       +      +
    794A  THR*     2.5    48.1    +      -       -      +
    797A  TRP*     4.4    11.0    -      -       -      +
    827A  ALA      2.5    14.2    +      -       -      -
    828A  VAL*     2.8    11.9    +      -       -      +
    830A  GLU*     1.3    72.0    -      -       -      +
    832A  MET*     1.3    70.4    +      -       -      +
    834A  ASP*     3.6     7.9    -      -       -      +
    835A  THR*     3.2    20.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with MET 832 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    544A  GLN*     4.9     3.4    -      -       +      +
    545A  HIS*     4.7    20.9    -      -       +      +
    548A  ALA*     4.0    25.6    -      -       +      -
    561A  LEU*     4.3    14.1    -      -       +      -
    790A  HIS*     3.2    38.1    -      -       +      +
    828A  VAL      2.6    16.1    +      -       -      +
    829A  ARG*     4.2     8.5    -      -       -      +
    830A  GLU      2.5     4.0    +      -       -      -
    831A  THR*     1.3    75.6    -      -       -      +
    833A  VAL*     1.3    56.9    -      -       -      +
    834A  ASP      2.5    16.2    +      -       -      -
    835A  THR*     2.7    12.8    +      -       -      -
    836A  TYR*     3.4    22.2    +      -       +      -
    875A  ILE*     3.9    24.0    -      -       +      -
    883A  ALA*     4.2    14.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 833 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    829A  ARG      2.9    21.3    -      -       -      +
    830A  GLU*     3.0     5.2    +      -       -      +
    832A  MET*     1.3    78.3    -      -       -      +
    834A  ASP*     1.3    55.3    +      -       -      +
    836A  TYR*     4.0     1.1    -      -       -      +
    837A  GLU*     3.0    50.7    +      -       +      +
    872A  LEU*     3.3    42.0    -      -       +      +
    873A  ARG*     3.7    11.0    -      -       +      +
    875A  ILE*     3.5    30.1    -      -       +      -
    876A  LEU*     3.9    13.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 834 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    793A  LYS*     4.6    13.7    +      -       -      +
    797A  TRP*     6.2     0.2    -      -       -      -
    830A  GLU      3.2    10.1    +      -       -      +
    831A  THR*     3.6    14.3    -      -       -      +
    832A  MET      2.5     5.7    +      -       -      -
    833A  VAL*     1.3    73.7    -      -       -      +
    835A  THR*     1.3    58.4    +      -       -      +
    837A  GLU*     3.8     5.1    -      -       -      +
    838A  SER*     3.0    43.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with THR 835 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    730A  PRO*     3.5    35.0    -      -       +      -
    786A  GLN*     6.1     1.1    -      -       +      -
    789A  SER*     4.5     5.2    -      -       -      +
    790A  HIS*     5.3     8.2    -      -       +      +
    793A  LYS*     3.3    30.4    +      -       +      +
    831A  THR      3.2    11.8    +      -       -      -
    832A  MET*     2.7    13.1    +      -       -      -
    834A  ASP*     1.3    73.6    -      -       -      +
    836A  TYR*     1.3    79.6    +      -       +      +
    838A  SER*     4.9     2.0    -      -       -      -
    839A  CYS*     3.3    27.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 836 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    545A  HIS*     3.3    25.8    +      +       +      -
    548A  ALA*     3.9     6.5    -      -       +      -
    549A  MET*     3.4    52.8    -      -       +      +
    551A  ARG*     2.9    21.0    +      -       -      +
    730A  PRO*     6.5     0.2    -      -       +      -
    786A  GLN*     3.1    31.0    -      -       +      +
    790A  HIS*     5.2     4.0    -      +       +      -
    832A  MET*     3.4    32.2    +      -       +      +
    833A  VAL      4.5     0.4    -      -       -      +
    835A  THR*     1.3    94.1    -      -       +      +
    837A  GLU*     1.3    58.7    +      -       -      +
    839A  CYS      2.9    20.7    -      -       -      +
    841A  VAL*     4.7     9.4    -      -       +      -
    872A  LEU*     3.3    26.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 837 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    551A  ARG*     4.5     2.6    +      -       -      +
    833A  VAL*     3.0    36.5    +      -       +      +
    834A  ASP*     3.8     5.1    -      -       -      +
    836A  TYR*     1.3    77.9    -      -       -      +
    838A  SER*     1.3    64.8    +      -       -      +
    839A  CYS*     3.4     2.3    +      -       -      +
    871A  ASN*     5.4     1.6    -      -       -      +
    872A  LEU*     3.8    20.2    -      -       +      +
    873A  ARG*     3.9    36.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 838 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    793A  LYS*     6.2     0.9    -      -       -      -
    834A  ASP*     3.0    28.4    +      -       -      -
    835A  THR*     4.4     2.7    -      -       -      -
    837A  GLU*     1.3    81.4    -      -       -      +
    839A  CYS*     1.3    67.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 839 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    551A  ARG*     4.8     2.1    +      -       -      -
    730A  PRO*     4.2    29.4    -      -       +      -
    793A  LYS*     6.3     0.7    -      -       -      -
    835A  THR*     3.3    19.0    +      -       -      +
    836A  TYR*     2.9    23.7    -      -       -      +
    837A  GLU      3.3     1.8    -      -       -      +
    838A  SER*     1.3    86.6    -      -       -      +
    840A  ASP*     1.3    62.5    +      -       -      +
    841A  VAL*     3.8     4.4    +      -       -      +
    844A  ASP*     3.4    16.6    -      -       -      +
----------------------------------------------------------
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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