Contacts of the helix formed by residues 186 - 207 (chain D) in PDB entry 1CCW


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

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

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with THR 186 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    178D  ASN*     3.3     4.2    +      -       -      -
    184D  ASN      4.0     2.4    +      -       -      +
    185D  VAL*     1.3    77.7    -      -       -      +
    187D  ILE*     1.3    65.3    +      -       -      +
    188D  GLU*     3.7     8.4    +      -       -      +
    189D  LYS*     2.9    27.8    +      -       -      +
    190D  SER      3.1    16.6    +      -       -      -
    413D  TYR*     3.5    32.8    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 187 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174D  GLY      5.1     3.1    -      -       -      +
    175D  ILE*     5.2     2.0    -      -       +      -
    178D  ASN*     3.9    13.5    -      -       +      +
    179D  VAL*     3.7    29.6    -      -       +      -
    185D  VAL      3.7     0.2    +      -       -      -
    186D  THR*     1.3    70.7    -      -       -      +
    188D  GLU*     1.3    66.4    +      -       -      +
    190D  SER*     3.2     6.1    +      -       -      +
    191D  LEU*     2.9    50.9    +      -       +      +
    395D  THR*     4.1    16.2    -      -       +      -
    396D  VAL*     4.2    16.6    -      -       +      +
    399D  PHE*     3.9    30.7    -      -       +      -
    411D  SER*     4.9     0.4    -      -       -      +
    413D  TYR*     4.0    20.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 188 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1D  MET      4.6     3.5    -      -       -      +
      2D  GLU*     5.1     1.0    -      -       -      -
      3D  LEU*     3.8    38.3    +      -       +      +
    186D  THR*     3.2     7.9    +      -       -      +
    187D  ILE*     1.3    80.1    -      -       -      +
    189D  LYS*     1.3    56.1    +      -       -      +
    191D  LEU*     3.4     1.9    +      -       -      +
    192D  LEU*     3.0    38.8    +      -       +      +
    396D  VAL*     3.9    26.8    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 189 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    154D  ASP*     5.0     2.9    -      -       -      -
    156D  ARG*     3.9    16.6    -      -       -      +
    185D  VAL*     4.3    13.9    -      -       +      -
    186D  THR*     2.9    23.7    +      -       +      +
    188D  GLU*     1.3    77.3    -      -       -      +
    190D  SER*     1.3    57.9    +      -       -      +
    192D  LEU*     3.3    12.0    +      -       +      +
    193D  ASP*     2.9    59.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 190 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    153D  PRO*     4.1    19.7    -      -       -      -
    174D  GLY*     2.7    29.3    +      -       -      -
    178D  ASN*     3.0    32.1    +      -       -      -
    185D  VAL*     4.2     7.4    -      -       -      +
    186D  THR      3.1     5.2    +      -       -      -
    187D  ILE*     3.2     8.8    +      -       -      -
    189D  LYS*     1.3    78.1    -      -       -      +
    191D  LEU*     1.3    58.7    +      -       -      +
    193D  ASP*     3.3     0.6    +      -       -      -
    194D  TRP*     2.8    36.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 191 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3D  LEU*     4.0    13.7    -      -       +      -
    174D  GLY*     4.0    24.0    -      -       -      +
    175D  ILE*     4.3    12.1    -      -       +      -
    187D  ILE*     2.9    38.6    +      -       +      +
    188D  GLU      3.7     4.0    -      -       -      +
    190D  SER*     1.3    77.5    +      -       -      +
    192D  LEU*     1.3    57.2    +      -       -      +
    194D  TRP*     3.3     1.8    +      -       -      +
    195D  GLN*     2.9    35.4    +      -       +      +
    236D  GLU*     6.2     0.2    -      -       +      -
    239D  LEU*     3.8    25.8    -      -       +      -
    392D  ALA*     3.7    27.6    -      -       +      +
    395D  THR*     4.0     9.0    -      -       +      -
    396D  VAL*     3.9     8.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 192 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1D  MET*     3.6    40.8    -      -       +      +
      2D  GLU      3.9    20.6    -      -       -      +
      3D  LEU*     3.9    12.1    -      -       +      +
      8D  TRP*     3.5    11.6    -      -       +      -
    188D  GLU*     3.0    38.1    +      -       +      +
    189D  LYS*     3.5    12.6    -      -       +      +
    191D  LEU*     1.3    77.3    -      -       -      +
    193D  ASP*     1.3    67.9    +      -       -      +
    195D  GLN*     3.3    31.1    +      -       -      +
    196D  TYR      3.3     8.7    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 193 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    153D  PRO      4.0    15.9    -      -       -      +
    154D  ASP*     3.4    21.0    -      -       -      +
    155D  SER      5.1     0.7    -      -       -      +
    156D  ARG*     3.5    37.5    +      -       +      +
    189D  LYS*     2.9    60.0    +      -       -      +
    190D  SER      4.0     0.2    -      -       -      +
    192D  LEU*     1.3    80.2    -      -       -      +
    194D  TRP*     1.3    64.3    +      -       +      +
    196D  TYR*     3.3    18.0    +      -       -      +
    197D  CYS*     3.4     8.2    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 194 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    150D  HIS*     4.0     0.9    -      +       -      -
    152D  THR      3.1    28.2    +      -       -      -
    153D  PRO*     3.3    15.3    +      -       +      +
    155D  SER*     3.5    19.9    -      -       -      -
    170D  ASN*     3.8    20.0    -      -       -      -
    171D  GLU      3.3    21.1    -      -       -      -
    172D  GLY*     3.6    13.2    -      -       -      -
    173D  GLY*     3.6    14.9    +      -       -      -
    174D  GLY*     3.5    27.4    -      -       -      +
    177D  TYR*     3.6    16.0    -      +       -      +
    190D  SER*     2.8    28.3    +      -       -      +
    191D  LEU*     4.1     2.5    -      -       +      +
    193D  ASP*     1.3    75.5    -      -       -      +
    195D  GLN*     1.3    64.9    +      -       -      +
    196D  TYR      3.2     0.7    -      -       -      -
    197D  CYS*     3.2    19.6    +      -       +      +
    198D  ASP*     2.9    32.3    +      -       -      +
    213D  ARG*     3.6    29.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 195 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2D  GLU      5.3     0.7    -      -       -      +
      3D  LEU*     3.8    15.7    -      -       +      +
      4D  LYS      2.9    28.7    +      -       -      +
      5D  ASN*     4.2     8.7    -      -       -      +
      8D  TRP*     3.0    29.6    +      -       -      +
    191D  LEU*     2.9    17.1    +      -       +      +
    192D  LEU*     3.3    25.9    +      -       -      +
    194D  TRP*     1.3    75.0    -      -       -      +
    196D  TYR*     1.3    57.3    +      -       -      +
    198D  ASP*     3.4     3.3    +      -       -      +
    199D  ARG*     2.7    33.6    +      -       -      +
    239D  LEU*     5.5    11.1    +      -       +      +
    243D  GLN*     3.6    29.0    -      -       +      +
    392D  ALA*     4.8     3.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 196 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8D  TRP*     3.7    23.6    -      +       +      -
     13D  PHE*     3.9    11.0    -      +       -      -
     16D  GLN*     3.9    15.5    -      -       +      -
     17D  ARG*     3.3    33.9    +      -       +      -
     20D  VAL*     3.7    24.3    -      -       +      +
     21D  LEU*     5.2     0.2    -      -       -      +
    156D  ARG*     3.6    46.7    -      -       +      -
    159D  ALA*     5.6     0.2    -      -       +      -
    160D  GLU*     2.5    36.4    +      -       +      +
    192D  LEU      3.3     3.2    +      -       -      +
    193D  ASP      3.3    12.4    +      -       -      +
    194D  TRP      3.2     0.4    -      -       -      -
    195D  GLN*     1.3    78.6    -      -       -      +
    197D  CYS*     1.3    61.3    +      -       -      +
    199D  ARG*     3.1     3.6    +      -       -      +
    200D  LEU*     2.9    31.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 197 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    155D  SER*     3.7    44.0    -      -       -      -
    156D  ARG*     4.0     4.7    -      -       -      -
    159D  ALA*     4.0    11.5    -      -       +      +
    163D  HIS*     5.2     1.4    +      -       -      -
    170D  ASN*     4.5     6.9    +      -       -      +
    193D  ASP      3.4    12.8    +      -       -      -
    194D  TRP*     3.2    33.0    +      -       +      +
    196D  TYR*     1.3    82.4    -      -       -      +
    198D  ASP*     1.3    62.3    +      -       -      +
    200D  LEU*     3.6     6.7    +      -       -      +
    201D  VAL*     3.4    24.4    +      -       -      +
    213D  ARG*     4.7     2.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 198 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    194D  TRP*     2.9    23.4    +      -       -      +
    195D  GLN*     3.8     2.4    -      -       -      +
    197D  CYS*     1.3    75.0    -      -       -      +
    199D  ARG*     1.3    59.4    +      -       -      +
    201D  VAL*     3.2     2.6    +      -       -      -
    202D  GLY*     2.8    23.7    +      -       -      -
    213D  ARG*     2.8    37.1    +      -       -      +
    236D  GLU      4.8     1.2    -      -       -      +
    239D  LEU*     4.1     4.9    -      -       -      +
    240D  ALA*     3.3    32.9    +      -       -      +
    243D  GLN*     3.7    20.3    -      -       +      +
    245D  VAL*     3.4    18.5    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 199 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7D  LYS*     3.8    17.3    -      -       -      +
      8D  TRP*     2.8    36.5    +      -       +      +
      9D  THR*     3.8     0.4    -      -       -      +
     10D  ASP*     2.7    37.6    +      -       -      +
     13D  PHE*     3.7    33.9    -      -       +      -
    195D  GLN      2.7    23.0    +      -       -      +
    196D  TYR*     3.1     4.7    +      -       -      +
    198D  ASP*     1.3    70.2    -      -       -      +
    200D  LEU*     1.3    59.3    +      -       -      +
    202D  GLY      3.2     0.5    +      -       -      -
    203D  PHE*     2.8    47.5    +      -       -      +
    206D  GLU*     4.1     7.7    +      -       -      -
    243D  GLN*     3.4    36.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 200 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13D  PHE*     3.5    21.5    -      -       +      -
     17D  ARG*     4.6     0.4    -      -       -      +
     32D  LEU*     4.3    11.9    -      -       +      -
    159D  ALA*     3.9    14.4    -      -       +      +
    160D  GLU*     3.7    58.3    -      -       +      +
    163D  HIS*     3.9    11.2    -      -       +      -
    196D  TYR*     2.9    18.8    +      -       +      +
    197D  CYS      3.6     5.4    -      -       -      +
    198D  ASP      3.2     0.2    -      -       -      -
    199D  ARG*     1.3    71.9    -      -       -      +
    201D  VAL*     1.3    68.0    +      -       -      +
    203D  PHE*     3.2     6.0    +      -       +      +
    204D  TYR*     3.0    49.9    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 201 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    163D  HIS*     3.8    17.7    -      -       +      +
    197D  CYS      3.4    12.1    +      -       -      +
    198D  ASP      3.2     8.4    +      -       -      +
    200D  LEU*     1.3    79.1    -      -       -      +
    202D  GLY*     1.3    53.6    +      -       -      +
    204D  TYR*     3.2     8.0    +      -       -      +
    205D  GLU*     2.9    33.9    +      -       +      +
    211D  ILE*     3.6    46.7    -      -       +      +
    213D  ARG*     4.0    15.5    -      -       +      -
    245D  VAL*     3.8    27.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 202 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198D  ASP      2.8    11.9    +      -       -      -
    199D  ARG*     3.2     8.3    +      -       -      -
    200D  LEU      3.2     0.4    -      -       -      -
    201D  VAL*     1.3    75.7    -      -       -      +
    203D  PHE*     1.3    61.6    +      -       -      +
    205D  GLU*     3.4     2.5    +      -       -      +
    206D  GLU*     3.0    31.8    +      -       -      +
    243D  GLN      3.6    18.8    -      -       -      -
    244D  GLY*     3.6    19.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 203 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10D  ASP*     5.6     4.9    -      -       -      -
     13D  PHE*     4.1    16.4    -      +       +      -
     32D  LEU*     3.3    46.0    -      -       +      -
     36D  VAL*     4.2    11.7    -      -       +      -
    199D  ARG*     2.8    27.3    +      -       -      +
    200D  LEU*     3.2    10.3    +      -       +      +
    202D  GLY*     1.3    76.1    -      -       -      +
    204D  TYR*     1.3    71.1    +      +       -      +
    206D  GLU*     3.1    11.7    +      -       -      +
    207D  GLN*     3.0    59.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 204 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30D  VAL*     5.5     0.3    -      -       -      +
     32D  LEU*     3.4    23.4    -      -       +      +
     35D  ALA*     3.6    15.4    -      -       -      +
     36D  VAL*     3.9    29.4    -      -       +      -
     39D  LEU*     3.4    26.0    -      -       +      -
    160D  GLU*     5.0     2.6    +      -       -      -
    163D  HIS*     3.9    17.7    -      -       +      -
    164D  ALA*     4.0    12.6    +      -       -      +
    200D  LEU*     3.0    43.8    +      -       +      +
    201D  VAL*     3.2     6.7    +      -       -      +
    203D  PHE*     1.3    78.9    -      +       -      +
    205D  GLU*     1.3    58.1    +      -       -      +
    207D  GLN*     2.9    15.8    +      -       -      +
    208D  GLY      3.3     0.2    +      -       -      -
    209D  VAL*     2.9    35.3    +      -       +      +
    211D  ILE*     3.6    26.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 205 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201D  VAL*     2.9    26.6    +      -       +      +
    202D  GLY      3.8     4.0    -      -       -      +
    204D  TYR*     1.3    75.8    -      -       +      +
    206D  GLU*     1.3    58.7    +      -       -      +
    208D  GLY*     2.9    19.8    +      -       -      -
    209D  VAL      3.2    15.3    -      -       -      +
    210D  HIS*     2.7    32.7    +      -       -      +
    211D  ILE      3.2    27.8    +      -       -      +
    244D  GLY      4.1    11.4    -      -       -      +
    246D  LYS*     4.1    35.5    +      -       +      +
    247D  ASN*     4.6     4.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 206 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7D  LYS*     2.7    35.9    +      -       -      +
     10D  ASP*     4.7     9.7    -      -       -      +
    199D  ARG*     4.1    10.7    +      -       -      -
    202D  GLY      3.0    19.8    +      -       -      +
    203D  PHE*     3.1    14.0    +      -       -      +
    205D  GLU*     1.3    75.4    -      -       +      +
    207D  GLN*     1.3    71.3    +      -       -      +
    208D  GLY      3.3     1.0    +      -       -      -
    244D  GLY*     6.6     0.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 207 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36D  VAL*     4.1    27.1    -      -       +      -
     40D  LYS*     2.8    27.4    +      -       -      -
    203D  PHE*     3.0    61.2    +      -       +      +
    204D  TYR*     2.9     8.0    +      -       -      +
    206D  GLU*     1.3    93.5    +      -       -      +
    208D  GLY*     1.3    57.8    +      -       -      +
    209D  VAL*     3.3     0.7    -      -       +      +
----------------------------------------------------------
 Back to top of page


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