Contacts of the helix formed by residues 1648 - 1670 (chain D) in PDB entry 3SUA


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 LYS1648 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1611D  ASN*     3.4    48.0    +      -       -      +
   1645D  LEU*     3.6    13.0    +      -       +      +
   1647D  GLY*     1.3    70.9    -      -       -      +
   1649D  LEU*     1.4    53.2    +      -       -      +
   1650D  GLU*     3.3    13.5    -      -       -      +
   1651D  TYR*     3.2    33.1    +      -       +      -
   1652D  PHE*     2.6    34.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1649 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1645D  LEU      4.3     3.8    -      -       -      +
   1646D  HIS*     3.6    20.4    -      -       -      +
   1647D  GLY      2.9     9.1    +      -       -      -
   1648D  LYS*     1.4    68.8    -      -       -      +
   1650D  GLU*     1.3    56.3    +      -       -      +
   1652D  PHE*     3.4    26.8    -      -       +      +
   1653D  THR*     2.7    40.6    +      -       -      -
   1690D  TRP*     5.1     2.7    -      -       +      -
   1693D  ILE*     4.0    30.7    -      -       +      -
   2071D  LEU*     3.4    37.4    -      -       +      +
   2074D  LEU*     3.7    25.8    -      -       +      +
   2075D  SER*     3.3    17.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU1650 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1647D  GLY      3.5    10.5    -      -       -      +
   1648D  LYS*     4.5    10.4    -      -       -      +
   1649D  LEU*     1.3    93.0    +      -       -      +
   1651D  TYR*     1.3    57.7    +      -       -      +
   1653D  THR*     3.7     1.1    -      -       -      -
   1654D  ASP*     3.4     2.9    +      -       -      +
   1657D  ARG*     2.8    31.0    +      -       -      -
   2068D  ASN*     3.2    45.2    +      -       +      +
   2071D  LEU*     3.8     9.3    -      -       +      +
   2072D  ALA*     3.8    17.3    -      -       +      +
   2075D  SER*     3.9     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR1651 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1610D  LEU      2.5    28.2    +      -       -      -
   1611D  ASN*     3.2    22.4    -      -       -      -
   1612D  SER      3.3     1.2    +      -       -      -
   1613D  LYS*     3.2    32.4    +      -       +      -
   1616D  LEU*     3.8     0.2    -      -       -      +
   1645D  LEU*     3.6    22.4    -      -       +      -
   1648D  LYS*     3.4    43.7    -      -       +      +
   1650D  GLU*     1.3    76.4    -      -       +      +
   1652D  PHE*     1.3    53.4    +      -       -      +
   1653D  THR      3.1     1.6    -      -       -      -
   1654D  ASP*     2.9    15.9    +      -       -      +
   1655D  ILE*     2.7    63.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE1652 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1641D  LEU*     4.2     3.8    -      -       +      -
   1642D  THR*     3.7    25.8    -      -       +      -
   1645D  LEU*     3.7    35.2    -      -       +      +
   1648D  LYS      2.6    20.4    +      -       -      +
   1649D  LEU*     3.1    21.7    +      -       +      +
   1651D  TYR*     1.3    71.5    -      -       -      +
   1653D  THR*     1.3    60.3    +      -       -      +
   1655D  ILE*     3.4     9.1    +      -       +      +
   1656D  LEU*     2.8    47.3    +      -       +      +
   1686D  LEU*     3.6    38.1    -      -       +      -
   1690D  TRP*     3.9    37.7    -      +       +      -
   1693D  ILE*     4.6     6.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR1653 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1649D  LEU      2.7    15.7    +      -       -      -
   1650D  GLU      3.7     6.7    -      -       -      -
   1652D  PHE*     1.3    76.4    -      -       -      +
   1654D  ASP*     1.4    50.0    +      -       -      +
   1656D  LEU*     2.9    11.9    +      -       +      +
   1657D  ARG*     2.6    57.1    +      -       +      +
   1690D  TRP*     3.4    24.0    +      -       +      +
   1953D  TYR*     4.0    21.1    -      -       +      +
   1957D  LEU*     6.0     1.6    -      -       +      -
   2071D  LEU*     3.3    25.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP1654 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1613D  LYS*     3.3    25.9    +      -       -      +
   1650D  GLU      3.4     2.9    +      -       -      +
   1651D  TYR*     2.9    18.7    +      -       +      +
   1653D  THR*     1.4    74.3    -      -       -      +
   1655D  ILE*     1.3    60.5    +      -       -      +
   1657D  ARG*     3.2    35.7    +      -       -      +
   1658D  THR*     2.7    41.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE1655 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1613D  LYS*     3.7    22.0    -      -       +      +
   1616D  LEU*     3.8    31.6    -      -       +      -
   1617D  THR*     4.9     6.4    -      -       +      +
   1620D  ILE*     5.7     1.8    -      -       +      -
   1645D  LEU*     4.4     8.1    -      -       +      -
   1651D  TYR*     2.7    57.2    +      -       +      +
   1652D  PHE*     3.5    14.1    -      -       +      +
   1654D  ASP*     1.3    73.1    -      -       -      +
   1656D  LEU*     1.4    63.7    +      -       +      +
   1658D  THR*     3.6     3.8    +      -       -      -
   1659D  LEU*     3.0    47.7    +      -       +      +
   1686D  LEU*     5.5     2.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU1656 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1652D  PHE*     2.8    50.6    +      -       +      +
   1653D  THR*     2.9    10.6    +      -       +      +
   1655D  ILE*     1.4    78.8    -      -       +      +
   1657D  ARG*     1.4    55.6    +      -       -      +
   1658D  THR      3.1     2.0    -      -       -      -
   1659D  LEU*     2.8     6.7    +      -       -      -
   1660D  LEU*     2.6    39.8    +      -       +      +
   1683D  VAL*     4.7     9.5    -      -       +      +
   1686D  LEU*     3.9    28.5    -      -       +      +
   1687D  LEU*     4.0    10.1    -      -       +      +
   1690D  TRP*     3.7    39.7    -      -       +      -
   1954D  PHE*     6.2     0.9    -      -       +      -
   1957D  LEU*     5.7     2.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG1657 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1650D  GLU      2.8    29.1    +      -       -      -
   1653D  THR*     2.6    31.3    +      -       +      +
   1654D  ASP*     3.2    40.1    +      -       -      +
   1656D  LEU*     1.4    70.4    -      -       -      +
   1658D  THR*     1.3    59.4    +      -       -      +
   1660D  LEU*     3.5     7.1    -      -       -      +
   1661D  SER*     3.2    23.7    +      -       -      -
   1953D  TYR*     2.7    39.8    +      -       -      +
   1957D  LEU*     3.9    25.4    -      -       +      +
   1961D  GLN*     4.8     1.6    +      -       -      -
   2064D  ASP*     3.6    13.1    +      -       -      -
   2067D  MET*     5.4     1.0    -      -       -      +
   2068D  ASN*     3.7    21.7    +      -       -      +
   2071D  LEU*     5.0     0.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR1658 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1613D  LYS*     3.5    36.6    +      -       -      +
   1617D  THR*     4.4    15.3    -      -       +      -
   1654D  ASP*     2.7    23.6    +      -       -      -
   1655D  ILE*     3.8     3.8    -      -       -      -
   1657D  ARG*     1.3    73.8    -      -       -      +
   1659D  LEU*     1.3    62.0    +      -       -      +
   1660D  LEU      3.4     0.5    +      -       -      -
   1661D  SER*     3.5     8.3    +      -       -      -
   1662D  ASP*     3.1    30.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1659 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1617D  THR*     5.1    11.9    -      -       +      +
   1620D  ILE*     4.6    31.4    -      -       +      -
   1621D  HIS*     4.4    17.3    -      -       +      +
   1624D  GLU*     5.8     3.1    -      -       -      +
   1655D  ILE*     3.0    39.9    +      -       +      +
   1656D  LEU*     2.8     9.9    +      -       -      +
   1658D  THR*     1.3    68.9    -      -       -      +
   1660D  LEU*     1.3    63.8    +      -       -      +
   1662D  ASP*     3.4    17.3    +      -       +      +
   1663D  LEU*     3.2    20.4    +      -       -      +
   1683D  VAL*     3.9    23.8    -      -       +      +
   1686D  LEU*     4.3    21.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU1660 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1656D  LEU*     2.6    21.3    +      -       +      +
   1657D  ARG*     3.5     7.2    -      -       -      +
   1658D  THR      3.3     0.2    -      -       -      -
   1659D  LEU*     1.3    71.2    -      -       -      +
   1661D  SER*     1.3    54.2    +      -       -      +
   1663D  LEU*     2.9    33.1    +      -       +      +
   1664D  VAL*     3.0    21.8    +      -       +      +
   1675D  MET*     6.3     2.5    -      -       +      -
   1676D  LEU*     5.6     4.9    -      -       +      -
   1683D  VAL*     4.5     7.1    -      -       +      +
   1687D  LEU*     4.7    14.6    -      -       +      -
   1954D  PHE*     4.5    24.2    -      -       +      -
   1957D  LEU*     3.8    31.2    -      -       +      +
   1958D  LEU*     4.8    16.8    -      -       +      -
   1961D  GLN*     3.8    26.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER1661 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1657D  ARG      3.2    11.7    +      -       -      -
   1658D  THR*     3.7    10.8    -      -       -      -
   1659D  LEU      3.5     0.2    -      -       -      -
   1660D  LEU*     1.3    76.0    -      -       -      +
   1662D  ASP*     1.4    61.3    +      -       -      +
   1664D  VAL*     3.7     3.5    +      -       -      +
   1665D  ALA*     3.5    20.3    +      -       -      +
   1961D  GLN*     2.7    41.6    +      -       -      +
   1964D  GLN*     4.9     3.3    +      -       -      -
   1965D  HIS*     4.5     5.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASP1662 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1617D  THR*     5.2     2.1    -      -       -      +
   1621D  HIS*     3.6    29.3    -      -       -      +
   1658D  THR*     3.1    24.7    -      -       -      +
   1659D  LEU*     3.4    18.0    -      -       +      +
   1660D  LEU      3.1     0.6    -      -       -      -
   1661D  SER*     1.4    76.1    -      -       -      +
   1663D  LEU*     1.4    61.7    +      -       -      +
   1664D  VAL      3.4     0.5    +      -       -      -
   1665D  ALA*     3.5    13.0    +      -       -      +
   1666D  GLN*     2.8    33.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1663 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1659D  LEU      3.2     9.1    +      -       -      +
   1660D  LEU*     2.9    15.8    +      -       +      +
   1662D  ASP*     1.4    76.5    -      -       -      +
   1664D  VAL*     1.3    63.6    +      -       +      +
   1666D  GLN*     3.2    23.8    +      -       +      +
   1667D  TYR*     3.3    28.6    +      -       +      -
   1675D  MET*     3.9    30.7    -      -       +      -
   1676D  LEU*     4.3    20.6    -      -       +      -
   1681D  THR*     3.3    40.2    -      -       +      +
   1683D  VAL*     3.8    17.9    -      -       +      -
   1684D  GLU*     5.0     3.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL1664 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1660D  LEU*     3.0    25.9    +      -       +      +
   1661D  SER      3.7     8.5    -      -       -      +
   1662D  ASP      3.3     0.2    -      -       -      -
   1663D  LEU*     1.3    74.6    -      -       +      +
   1665D  ALA*     1.3    62.2    +      -       -      +
   1667D  TYR*     3.3    14.2    +      -       -      +
   1668D  VAL*     3.4    14.6    +      -       +      +
   1675D  MET*     4.2    24.2    -      -       +      +
   1958D  LEU*     6.0     1.8    -      -       +      -
   1961D  GLN*     3.9    31.0    -      -       +      +
   1965D  HIS*     3.5    34.5    -      -       +      +
   1967D  ILE*     5.5     0.7    -      -       +      -
   1976D  TRP*     4.9    16.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA1665 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1661D  SER      3.5     9.6    +      -       -      +
   1662D  ASP*     3.5     9.5    +      -       -      +
   1663D  LEU      3.5     0.6    -      -       -      -
   1664D  VAL*     1.3    77.6    -      -       -      +
   1666D  GLN*     1.3    61.3    +      -       +      +
   1668D  VAL*     3.6    23.3    +      -       -      +
   1669D  ALA*     4.5     3.1    +      -       -      +
   1965D  HIS*     4.2    15.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN1666 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1621D  HIS*     4.9     8.9    +      -       -      -
   1624D  GLU*     5.4     3.8    -      -       -      +
   1662D  ASP*     2.8    36.5    +      -       -      +
   1663D  LEU*     3.2    17.5    +      -       +      +
   1665D  ALA*     1.3    77.2    -      -       +      +
   1667D  TYR*     1.3    63.7    +      -       +      +
   1668D  VAL      3.7     0.3    +      -       -      -
   1669D  ALA*     4.1     9.5    +      -       -      +
   1670D  LYS*     3.9    23.9    +      -       -      +
   1681D  THR*     5.1     6.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR1667 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1663D  LEU*     3.3    34.8    +      -       +      -
   1664D  VAL      3.3     6.0    +      -       -      +
   1666D  GLN*     1.3    78.8    -      -       +      +
   1668D  VAL*     1.3    63.3    +      -       -      +
   1669D  ALA      3.4     1.3    +      -       -      -
   1670D  LYS*     4.3     4.5    -      -       +      +
   1671D  ASN      3.3    30.5    +      -       -      +
   1672D  PRO*     3.2    29.8    -      -       +      -
   1674D  LEU*     3.6    19.1    +      -       +      -
   1675D  MET*     3.6    59.7    -      -       +      -
   1676D  LEU      4.5     0.9    -      -       -      -
   1677D  ARG*     5.0     0.9    +      -       -      +
   1678D  ARG      5.3     1.2    +      -       -      -
   1680D  GLU*     6.1     0.7    -      -       -      +
   1681D  THR*     5.8     3.4    -      -       +      +
   1684D  GLU*     4.0    13.7    +      -       -      -
   1976D  TRP*     6.0     0.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL1668 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1664D  VAL*     3.4    19.1    -      -       +      +
   1665D  ALA*     3.6    17.5    -      -       -      +
   1666D  GLN      3.4     0.8    -      -       -      -
   1667D  TYR*     1.3    77.7    -      -       -      +
   1669D  ALA*     1.3    62.2    +      -       -      +
   1670D  LYS      4.6     0.7    -      -       -      +
   1672D  PRO*     4.2    19.5    -      -       +      +
   1965D  HIS*     4.6    25.4    -      -       +      +
   1967D  ILE*     5.6     4.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA1669 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1665D  ALA      4.5     2.5    +      -       -      +
   1666D  GLN      4.1     9.3    +      -       -      +
   1667D  TYR      3.4     0.4    -      -       -      -
   1668D  VAL*     1.3    78.0    -      -       -      +
   1670D  LYS*     1.3    74.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS1670 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1666D  GLN*     3.9    22.3    +      -       -      +
   1667D  TYR*     3.9     7.3    +      -       +      +
   1668D  VAL      4.6     0.7    -      -       -      +
   1669D  ALA*     1.3    88.7    -      -       +      +
   1671D  ASN*     1.4    65.0    +      -       +      +
   1672D  PRO*     4.5     2.4    -      -       -      +
   1674D  LEU*     6.1     2.2    -      -       +      -
----------------------------------------------------------
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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