Contacts of the helix formed by residues 395 - 416 (chain D) in PDB entry 4BGG


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 CYS 395 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    392D  GLN*     3.0    21.0    +      -       +      +
    393D  VAL      3.3     0.4    -      -       -      -
    394D  ASP*     1.3    78.4    -      -       -      +
    396D  PHE*     1.3    67.2    +      -       -      +
    397D  ASP*     3.6    25.8    -      -       -      -
    398D  SER*     3.1    32.6    +      -       -      +
    399D  TYR*     3.7     8.6    -      -       -      -
    401D  ARG*     4.9     6.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 396 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    331D  ALA*     3.6    40.2    -      -       +      -
    332D  ILE      3.9     4.5    -      -       -      -
    333D  ALA*     3.9     9.2    -      -       +      -
    359D  VAL*     3.7    32.3    -      -       +      -
    361D  HIS*     3.4    41.7    -      +       +      +
    368D  LEU*     3.6    24.4    -      -       +      +
    394D  ASP      3.9     3.0    +      -       -      -
    395D  CYS*     1.3    72.4    -      -       -      +
    397D  ASP*     1.3    65.2    +      -       -      +
    399D  TYR*     3.0    20.9    +      +       -      +
    400D  LYS*     3.6    36.0    +      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 397 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    395D  CYS*     3.2    13.2    -      -       -      -
    396D  PHE*     1.3    80.7    -      -       -      +
    398D  SER*     1.3    64.7    +      -       -      +
    400D  LYS*     3.0    37.4    +      -       -      +
    401D  ARG*     3.0    60.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 398 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    385D  GLU*     4.7     1.4    -      -       -      +
    391D  ILE*     3.9    19.5    -      -       -      +
    392D  GLN*     2.9    39.1    +      -       -      +
    395D  CYS*     3.1    17.9    +      -       -      +
    397D  ASP*     1.3    77.5    -      -       -      +
    399D  TYR*     1.3    63.7    +      -       -      +
    401D  ARG*     3.4    13.5    +      -       -      +
    402D  VAL*     3.2    28.2    +      -       -      +
    482D  PRO*     6.0     1.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 399 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    333D  ALA*     3.7    21.7    -      -       +      +
    335D  ARG*     4.1    36.6    -      -       +      +
    359D  VAL*     4.0    15.0    -      -       +      -
    368D  LEU*     4.5     6.7    -      -       +      -
    370D  VAL*     4.1    23.7    -      -       +      +
    391D  ILE*     4.4    19.3    -      -       +      -
    392D  GLN      4.9     0.4    -      -       -      -
    393D  VAL*     2.7    44.9    +      -       +      +
    395D  CYS      3.7    15.0    -      -       -      -
    396D  PHE*     3.0    15.0    +      +       -      +
    398D  SER*     1.3    74.1    -      -       -      +
    400D  LYS*     1.3    64.0    +      -       -      +
    402D  VAL*     3.4     9.9    +      -       +      +
    403D  ASP*     3.3    22.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 400 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    320D  HIS*     3.6    57.6    +      -       +      +
    331D  ALA*     5.6     0.8    -      -       -      +
    333D  ALA*     4.5     2.2    -      -       +      -
    396D  PHE*     3.6    35.7    +      -       +      +
    397D  ASP*     3.0    39.2    +      -       -      +
    399D  TYR*     1.3    79.7    -      -       -      +
    401D  ARG*     1.3    59.6    +      -       +      +
    403D  ASP*     3.0    17.7    +      -       -      +
    404D  ILE*     3.1    18.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 401 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    385D  GLU*     4.6     0.7    -      -       -      +
    392D  GLN*     5.3     8.1    -      -       -      +
    395D  CYS*     4.9     6.1    -      -       -      -
    397D  ASP*     3.0    49.9    +      -       -      +
    398D  SER*     3.8    10.4    +      -       -      +
    399D  TYR      3.3     0.2    -      -       -      -
    400D  LYS*     1.3    74.9    -      -       +      +
    402D  VAL*     1.3    65.6    +      -       -      +
    404D  ILE*     3.3    11.2    +      -       +      +
    405D  TRP      3.2    13.9    +      -       -      -
    482D  PRO*     3.4    36.6    +      -       +      +
    483D  SER*     4.0    28.7    +      -       -      +
    485D  ARG*     3.1    30.4    +      -       +      +
    486D  LEU      5.9     0.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 402 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    335D  ARG*     5.0    15.3    -      -       +      +
    381D  TYR      5.2     2.1    -      -       -      +
    382D  MET*     6.1     1.1    -      -       -      -
    383D  ALA*     4.3    12.1    -      -       +      +
    385D  GLU*     3.8    16.6    -      -       -      +
    386D  VAL*     3.8    19.1    -      -       +      -
    391D  ILE*     3.8    21.3    -      -       +      -
    398D  SER      3.2    15.5    +      -       -      +
    399D  TYR*     3.5    13.7    -      -       +      +
    401D  ARG*     1.3    76.7    -      -       -      +
    403D  ASP*     1.3    65.9    +      -       -      +
    405D  TRP*     3.5     4.9    +      -       -      +
    406D  ALA*     3.3    19.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 403 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    316D  LEU*     3.9    11.1    -      -       +      +
    320D  HIS*     2.9    26.6    +      -       +      +
    333D  ALA*     3.5     2.6    -      -       -      -
    334D  HIS*     2.8    33.2    +      -       -      +
    335D  ARG*     2.8    30.8    +      -       -      -
    336D  ASP      4.5     0.7    +      -       -      -
    337D  LEU*     3.7     8.6    +      -       +      +
    399D  TYR      3.3    10.7    +      -       -      +
    400D  LYS      3.0    10.9    +      -       -      +
    402D  VAL*     1.3    79.0    -      -       -      +
    404D  ILE*     1.3    60.0    +      -       -      +
    406D  ALA*     3.3     6.8    +      -       -      +
    407D  PHE*     2.9    27.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 404 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    316D  LEU*     4.3    11.2    -      -       +      -
    320D  HIS*     4.4     3.8    -      -       +      -
    400D  LYS*     3.1    17.2    +      -       +      +
    401D  ARG*     3.6    11.7    -      -       +      +
    402D  VAL      3.2     0.4    -      -       -      -
    403D  ASP*     1.3    76.0    -      -       -      +
    405D  TRP*     1.3    65.9    +      -       -      +
    407D  PHE*     3.2     5.1    +      -       +      +
    408D  GLY      3.1    17.8    +      -       -      -
    477D  CYS*     3.5    33.4    -      -       +      +
    485D  ARG*     4.2     8.5    -      -       +      -
    486D  LEU      3.4    22.9    -      -       -      +
    487D  THR*     3.9     2.2    -      -       -      -
    488D  ALA*     3.5    39.0    -      -       +      +
    491D  ILE*     4.1     9.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP 405 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    380D  ARG      5.3     0.2    +      -       -      -
    381D  TYR      3.2    23.1    +      -       -      -
    382D  MET      3.3    13.8    +      -       -      -
    383D  ALA*     3.6    19.3    -      -       +      -
    384D  PRO*     3.5    32.1    -      -       +      -
    401D  ARG      3.2     8.7    +      -       -      +
    402D  VAL      3.6     8.5    -      -       -      +
    404D  ILE*     1.3    78.6    -      -       -      +
    406D  ALA*     1.3    63.6    +      -       -      +
    408D  GLY*     3.2    11.6    +      -       -      -
    409D  LEU*     3.4    26.0    +      -       +      +
    431D  PHE*     4.6    17.5    -      +       -      -
    448D  VAL*     4.1    13.2    -      -       +      -
    453D  GLN      5.0     0.4    -      -       -      -
    454D  ARG*     3.6    32.1    -      -       -      -
    455D  PRO*     6.2     0.2    -      -       +      -
    477D  CYS      3.6    11.8    +      -       -      +
    478D  TRP*     3.4    50.1    +      +       +      -
    485D  ARG*     4.0    10.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 406 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    337D  LEU*     3.6    33.2    -      -       +      +
    381D  TYR*     4.1    21.2    -      -       +      +
    402D  VAL      3.3     9.4    +      -       -      +
    403D  ASP*     3.3     9.7    +      -       -      +
    404D  ILE      3.3     0.6    -      -       -      -
    405D  TRP*     1.3    84.2    -      -       -      +
    407D  PHE*     1.3    63.9    +      -       -      +
    409D  LEU*     3.1     6.6    +      -       -      +
    410D  VAL*     3.1    26.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 407 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    309D  VAL*     4.2     7.6    -      -       +      -
    312D  ILE*     3.5    40.6    -      -       +      -
    313D  ALA*     4.0    15.9    -      -       +      -
    316D  LEU*     4.2    13.5    -      -       +      -
    337D  LEU*     4.0    12.7    -      -       +      +
    403D  ASP      2.9    18.0    +      -       -      +
    404D  ILE*     3.2     8.9    +      -       -      +
    406D  ALA*     1.3    75.4    -      -       -      +
    408D  GLY*     1.3    59.3    +      -       -      +
    410D  VAL*     3.1    10.0    +      -       +      +
    411D  LEU*     2.9    55.4    +      -       +      +
    477D  CYS*     4.2     2.9    -      -       -      -
    491D  ILE*     3.5    47.6    -      -       +      -
    495D  LEU*     4.6     3.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 408 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    404D  ILE      3.1    10.3    +      -       -      -
    405D  TRP      3.2     4.4    +      -       -      -
    407D  PHE*     1.3    78.6    -      -       -      +
    409D  LEU*     1.3    60.4    +      -       -      +
    411D  LEU*     3.3    10.2    -      -       -      +
    412D  TRP      3.1    17.0    +      -       -      -
    474D  MET*     3.8     4.0    -      -       -      +
    477D  CYS*     3.9    19.7    -      -       -      -
    478D  TRP*     3.6    24.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 409 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    380D  ARG      3.9     7.6    -      -       -      +
    381D  TYR*     3.8    40.2    -      -       +      -
    405D  TRP*     3.4    35.9    +      -       +      +
    406D  ALA*     3.1     7.7    +      -       -      +
    408D  GLY*     1.3    75.9    -      -       -      +
    410D  VAL*     1.3    58.8    +      -       -      +
    412D  TRP*     3.2     9.2    +      -       -      +
    413D  GLU*     3.0    30.9    +      -       -      +
    430D  PRO*     3.9    16.3    -      -       +      +
    431D  PHE*     4.1    11.0    -      -       +      -
    455D  PRO*     3.7    30.5    -      -       +      -
    478D  TRP*     3.6    12.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 410 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    291D  LEU*     4.1    17.5    -      -       +      -
    309D  VAL*     6.3     0.2    -      -       +      -
    312D  ILE*     4.2    12.3    -      -       +      -
    337D  LEU*     5.0     2.9    -      -       +      -
    338D  LYS*     4.0    14.4    -      -       -      +
    339D  SER*     4.0    19.3    -      -       -      +
    342D  ILE*     4.0    22.4    -      -       +      -
    381D  TYR*     4.0     2.2    -      -       +      -
    406D  ALA      3.1    15.0    +      -       -      +
    407D  PHE*     3.1    11.6    +      -       +      +
    409D  LEU*     1.3    73.0    -      -       -      +
    411D  LEU*     1.3    67.1    +      -       -      +
    413D  GLU*     3.1    21.1    +      -       +      +
    414D  VAL*     3.0    23.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 411 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    309D  VAL*     3.5    33.8    -      -       +      +
    407D  PHE*     2.9    45.6    +      -       +      +
    408D  GLY*     3.3    12.6    -      -       -      +
    410D  VAL*     1.3    78.8    -      -       -      +
    412D  TRP*     1.3    55.5    +      -       -      +
    414D  VAL*     3.3     5.6    +      -       -      +
    415D  ALA*     3.0    31.1    +      -       -      +
    470D  LEU*     4.2    24.9    -      -       +      +
    473D  LEU*     4.2    28.0    -      -       +      -
    474D  MET*     3.9    16.6    -      -       +      +
    477D  CYS*     4.9     1.1    -      -       -      -
    495D  LEU*     5.5     1.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP 412 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    408D  GLY      3.1     6.7    +      -       -      +
    409D  LEU*     3.2     9.6    +      -       -      +
    411D  LEU*     1.3    75.2    -      -       -      +
    413D  GLU*     1.3    86.6    +      -       +      +
    415D  ALA*     4.0     2.0    -      -       -      +
    416D  ARG*     3.3    58.5    +      -       -      +
    428D  LYS      3.6    20.9    -      -       -      -
    429D  PRO      3.8     0.7    -      -       -      -
    430D  PRO*     3.7    24.9    -      -       +      -
    431D  PHE      5.0     1.3    -      -       -      -
    432D  TYR*     3.9    29.4    -      +       -      -
    455D  PRO*     3.5    26.6    -      -       +      +
    456D  ASN*     3.0    29.3    +      -       +      -
    458D  PRO*     5.1     0.4    -      -       -      +
    461D  TRP*     4.0    11.9    -      +       -      -
    474D  MET*     3.3    39.4    -      -       +      -
    478D  TRP*     4.2     4.5    -      +       +      -
----------------------------------------------------------
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Residues in contact with GLU 413 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    295D  LEU*     4.2     8.3    -      -       +      +
    339D  SER*     2.7    24.4    +      -       -      -
    381D  TYR*     2.4    36.2    +      -       -      -
    409D  LEU      3.0    12.8    +      -       -      +
    410D  VAL*     3.3    17.7    -      -       +      +
    412D  TRP*     1.3    86.4    -      -       +      +
    414D  VAL*     1.3    62.7    +      -       +      +
    416D  ARG*     3.7    13.4    -      -       -      +
    417D  ARG*     3.9    10.6    -      -       -      +
    427D  TYR*     2.5    37.1    +      -       +      -
    428D  LYS      3.9    12.3    -      -       -      +
    430D  PRO*     3.7    17.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 414 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    291D  LEU*     3.9    28.9    -      -       +      -
    295D  LEU*     4.0    15.3    -      -       +      -
    300D  LEU*     3.8    24.0    -      -       +      +
    305D  CYS*     4.0    11.2    -      -       -      +
    308D  ILE*     4.1    16.4    -      -       +      -
    309D  VAL*     3.9    23.6    -      -       +      -
    312D  ILE*     5.2     0.4    -      -       +      -
    410D  VAL*     3.0    22.1    +      -       +      +
    411D  LEU      3.8     3.8    -      -       -      +
    413D  GLU*     1.3    75.9    -      -       -      +
    415D  ALA*     1.3    57.8    +      -       -      +
    417D  ARG*     3.0    25.5    +      -       -      +
    418D  MET*     3.7     3.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 415 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    305D  CYS*     4.5     9.0    -      -       -      -
    411D  LEU      3.0    16.9    +      -       -      +
    412D  TRP*     3.4     0.6    +      -       -      +
    414D  VAL*     1.3    74.3    -      -       -      +
    416D  ARG*     1.3    64.7    +      -       -      +
    418D  MET*     3.1    20.1    +      -       -      +
    461D  TRP*     3.8    24.4    +      -       +      -
    467D  LEU*     3.6    27.4    -      -       +      +
    470D  LEU*     4.4    16.6    -      -       +      -
    474D  MET*     5.1     1.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 416 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    412D  TRP*     3.3    56.2    +      -       +      +
    413D  GLU      3.7    11.0    -      -       -      +
    415D  ALA*     1.3    78.1    -      -       -      +
    417D  ARG*     1.3    57.9    +      -       +      +
    418D  MET      3.3     2.2    +      -       -      +
    424D  VAL*     3.4     4.0    -      -       -      +
    425D  GLU*     3.2    50.2    +      -       +      +
    426D  ASP*     2.9    32.2    +      -       -      +
    427D  TYR*     5.9     0.2    -      -       -      -
    428D  LYS*     3.4    33.2    -      -       -      +
    432D  TYR*     4.3    13.9    +      -       -      -
    456D  ASN      5.6     0.8    +      -       -      -
    458D  PRO*     5.5     8.2    -      -       +      +
    460D  ARG*     5.4     1.4    +      -       -      +
    461D  TRP*     3.8    21.0    -      -       +      +
----------------------------------------------------------
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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