Contacts of the helix formed by residues 190 - 211 (chain G) in PDB entry 2I2X


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 190 (chain G).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185G  LEU*     3.5    10.0    +      -       -      -
    186G  TYR*     3.0    15.8    +      -       +      +
    188G  ILE      3.3     0.2    -      -       -      -
    189G  GLY*     1.3    78.5    -      -       -      +
    191G  LEU*     1.3    71.9    +      -       -      +
    192G  GLY      3.3     0.7    -      -       -      -
    193G  SER*     3.2     3.9    +      -       -      -
    194G  ILE*     2.9    27.5    +      -       -      +
    389G  ILE*     4.2     6.2    -      -       +      +
    390G  TYR*     4.0    37.0    -      -       -      -
    439G  PHE*     4.2     8.3    -      -       -      -
    440G  MET*     3.7    33.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 191 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    168G  GLY*     3.8     9.2    -      -       -      -
    170G  GLU*     4.3     1.1    -      -       -      +
    171G  VAL*     3.8    22.2    -      -       +      -
    186G  TYR*     2.8    59.0    +      -       +      +
    187G  SER*     3.5    21.8    -      -       -      +
    190G  CYS*     1.3    71.0    -      -       +      +
    192G  GLY*     1.3    65.5    +      -       -      +
    194G  ILE*     2.8    18.4    +      -       +      +
    195G  ASP*     3.0    11.3    +      -       -      +
    440G  MET*     5.4     0.2    -      -       +      -
    454G  PHE*     4.0     7.6    -      -       +      -
    459G  TYR*     3.7    45.1    -      -       +      -
    461G  PHE*     4.2    10.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 192 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    167G  GLY*     3.6    23.0    +      -       -      -
    187G  SER      2.9    11.7    +      -       -      -
    188G  ILE*     3.2    12.2    +      -       -      -
    191G  LEU*     1.3    75.2    -      -       -      +
    193G  SER*     1.3    51.9    +      -       -      +
    195G  ASP*     3.2     1.7    +      -       -      +
    196G  MET*     2.7    38.7    +      -       -      +
    222G  GLN*     5.0     0.4    -      -       -      -
    253G  ARG*     4.0    13.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with SER 193 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5G  ARG*     5.2     0.9    +      -       -      -
    188G  ILE      3.5     5.9    +      -       -      -
    189G  GLY      2.6    26.3    +      -       -      -
    190G  CYS      3.2     4.8    +      -       -      -
    192G  GLY*     1.3    73.1    -      -       -      +
    194G  ILE*     1.3    64.1    +      -       -      +
    196G  MET*     3.3     7.9    +      -       -      +
    197G  GLU*     3.0    23.6    +      -       -      +
    252G  PRO*     4.2     3.1    +      -       -      +
    253G  ARG*     3.9    17.8    +      -       -      +
    256G  VAL*     3.9    15.5    -      -       -      +
    389G  ILE*     4.0    27.4    +      -       -      +
    392G  ARG*     4.8     0.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 194 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    139G  ARG*     3.6    22.2    +      -       -      +
    190G  CYS      2.9    19.4    +      -       -      +
    191G  LEU*     2.8    17.5    +      -       -      +
    193G  SER*     1.3    70.5    -      -       -      +
    195G  ASP*     1.3    61.7    +      -       -      +
    197G  GLU*     3.2    20.4    +      -       -      +
    198G  LEU*     3.2    11.8    +      -       -      +
    389G  ILE*     4.3    14.8    -      -       +      -
    436G  MET*     6.0     0.7    -      -       +      -
    440G  MET*     3.9    26.7    -      -       +      -
    459G  TYR*     4.0    17.3    -      -       +      +
    461G  PHE*     3.9    18.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 195 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130G  ARG*     2.8    45.2    +      -       -      -
    138G  LEU*     3.8    11.0    -      -       +      +
    139G  ARG*     5.0     3.3    +      -       -      +
    165G  SER*     4.3     9.0    +      -       -      -
    167G  GLY*     3.3    32.0    +      -       -      -
    191G  LEU      3.0     7.7    +      -       -      +
    192G  GLY      3.7     6.0    -      -       -      +
    194G  ILE*     1.3    78.1    -      -       -      +
    196G  MET*     1.3    64.5    +      -       -      +
    198G  LEU*     3.2    10.7    +      -       -      +
    199G  ILE*     3.0    30.3    +      -       -      +
    458G  ASN      5.1     1.9    -      -       -      +
    459G  TYR*     4.5     8.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 196 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165G  SER*     3.4    13.2    -      -       -      +
    192G  GLY*     2.7    23.9    +      -       -      +
    193G  SER      3.5     5.8    -      -       -      +
    194G  ILE      3.2     0.2    -      -       -      -
    195G  ASP*     1.3    73.6    -      -       -      +
    197G  GLU*     1.3    57.8    +      -       -      +
    199G  ILE*     4.5     1.8    -      -       -      -
    200G  TRP*     3.0    52.7    +      -       +      +
    217G  ASP*     3.3    43.1    -      -       +      +
    253G  ARG*     3.5    40.6    -      -       -      +
    254G  SER      4.0     2.7    -      -       -      +
    256G  VAL*     3.8    14.1    -      -       +      -
    257G  ALA*     3.7    20.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 197 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3G  ALA*     3.7    36.0    +      -       -      +
      5G  ARG*     4.3    18.1    +      -       -      +
    193G  SER      3.0    12.6    +      -       -      +
    194G  ILE*     3.2    13.8    +      -       -      +
    196G  MET*     1.3    73.5    -      -       -      +
    198G  LEU*     1.3    61.6    +      -       -      +
    201G  THR*     2.5    39.0    +      -       -      +
    256G  VAL*     3.6    12.1    -      -       +      +
    260G  ALA*     4.2     3.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 198 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130G  ARG*     4.7     1.8    -      -       -      +
    138G  LEU      4.6     2.2    -      -       -      +
    139G  ARG*     3.4    45.3    -      -       +      +
    143G  TYR*     3.8    34.8    -      -       +      +
    194G  ILE      3.2     8.8    +      -       -      +
    195G  ASP*     3.2    13.2    +      -       -      +
    197G  GLU*     1.3    82.8    -      -       -      +
    199G  ILE*     1.3    66.1    +      -       +      +
    201G  THR*     3.4    10.1    +      -       -      -
    202G  ASP*     3.5    17.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 199 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130G  ARG*     3.3    36.3    -      -       -      +
    143G  TYR*     3.9    13.7    -      -       +      +
    146G  PHE*     4.2    13.0    -      -       +      -
    147G  LEU*     5.2     0.8    -      -       -      +
    163G  VAL*     4.1    10.8    -      -       +      -
    165G  SER*     3.4    35.2    -      -       -      +
    195G  ASP*     3.0    17.0    +      -       -      +
    196G  MET*     3.8     4.3    -      -       -      +
    198G  LEU*     1.3    77.9    -      -       +      +
    200G  TRP*     1.3    85.8    +      -       +      +
    202G  ASP*     3.2     4.3    +      -       -      +
    203G  ILE*     2.9    38.7    +      -       +      +
    217G  ASP*     3.9     0.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 200 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    161G  LEU      3.6    13.5    -      -       -      -
    162G  SER*     4.1     4.0    -      -       -      -
    163G  VAL*     3.6    17.9    -      -       +      -
    196G  MET*     3.0    44.1    +      -       +      +
    199G  ILE*     1.3    86.2    -      -       +      +
    201G  THR*     1.3    63.4    +      -       -      +
    202G  ASP      3.2     0.2    -      -       -      -
    203G  ILE*     3.6    29.4    -      -       +      -
    204G  SER*     3.0    30.8    +      -       -      -
    214G  SER*     3.4    26.9    -      -       -      -
    216G  GLY      3.4    46.0    -      -       -      -
    217G  ASP*     2.7    27.4    +      -       +      +
    257G  ALA*     3.8    15.3    -      -       +      +
    260G  ALA*     3.3    16.9    -      -       +      +
    262G  ALA*     4.2     7.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 201 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3G  ALA*     4.9     9.9    -      -       +      +
    197G  GLU*     2.5    33.5    +      -       -      +
    198G  LEU*     3.6     5.1    -      -       -      -
    199G  ILE      3.4     0.2    -      -       -      -
    200G  TRP*     1.3    75.6    -      -       -      +
    202G  ASP*     1.3    65.1    +      -       -      +
    204G  SER*     4.0     2.3    -      -       -      -
    205G  LYS*     3.4    37.0    +      -       -      +
    260G  ALA*     3.7    18.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 202 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143G  TYR*     2.6    30.8    +      -       -      +
    147G  LEU*     3.9    25.1    -      -       +      -
    198G  LEU*     3.5    12.3    +      -       -      +
    199G  ILE      3.2     8.0    +      -       -      +
    201G  THR*     1.3    81.1    -      -       -      +
    203G  ILE*     1.3    65.0    -      -       -      +
    205G  LYS*     3.2    20.8    +      -       -      +
    206G  ILE*     3.0    28.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 203 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    146G  PHE*     4.5     1.8    -      -       +      -
    147G  LEU*     4.8     7.2    -      -       +      -
    150G  PHE*     3.6    56.8    -      -       +      -
    161G  LEU*     4.5     9.8    -      -       +      +
    163G  VAL*     4.0     4.3    -      -       +      -
    199G  ILE*     2.9    44.2    +      -       +      +
    200G  TRP*     3.6    40.6    -      -       +      -
    202G  ASP*     1.3    68.4    -      -       -      +
    204G  SER*     1.3    65.9    +      -       -      +
    206G  ILE*     3.1    11.1    +      -       -      +
    207G  ALA*     2.9    20.6    +      -       -      +
    214G  SER*     4.5     2.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 204 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    200G  TRP*     3.0    20.9    +      -       -      -
    201G  THR      4.0     3.1    -      -       -      -
    203G  ILE*     1.3    78.0    -      -       -      +
    205G  LYS*     1.3    57.5    +      -       -      +
    207G  ALA*     3.1     4.3    +      -       -      +
    208G  LYS*     2.9    30.7    +      -       -      +
    214G  SER*     3.1    17.6    +      -       -      -
    260G  ALA      3.2    10.3    +      -       -      -
    261G  GLY*     3.0    33.6    -      -       -      -
    262G  ALA      3.4     1.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 205 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201G  THR*     3.4    29.1    +      -       -      +
    202G  ASP*     3.2    23.7    +      -       -      +
    204G  SER*     1.3    77.8    -      -       -      +
    206G  ILE*     1.3    57.3    +      -       +      +
    208G  LYS*     3.4     9.8    +      -       +      +
    209G  LYS*     2.9    30.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 206 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    147G  LEU*     3.6    46.7    -      -       +      +
    150G  PHE*     4.0    16.6    -      -       +      +
    151G  GLU*     3.7    44.9    -      -       +      +
    154G  ALA*     4.6     0.2    -      -       +      -
    161G  LEU*     4.5     5.4    -      -       +      -
    202G  ASP*     3.0    19.0    +      -       +      +
    203G  ILE*     3.1     8.9    +      -       -      +
    205G  LYS*     1.3    74.8    -      -       +      +
    207G  ALA*     1.3    55.0    +      -       -      +
    209G  LYS*     3.1     9.2    +      -       +      +
    210G  THR*     2.7    43.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 207 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    161G  LEU*     4.4     5.4    -      -       +      +
    203G  ILE      2.9    12.4    +      -       -      +
    204G  SER      3.4     7.4    -      -       -      +
    206G  ILE*     1.3    74.4    -      -       -      +
    208G  LYS*     1.3    57.2    +      -       -      +
    210G  THR*     3.2     6.4    +      -       -      -
    211G  GLY*     2.9    26.3    +      -       -      -
    212G  THR*     2.9    26.9    +      -       -      +
    213G  ILE      4.0     0.7    -      -       -      -
    214G  SER*     3.4    36.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 208 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204G  SER      2.9    19.0    +      -       -      +
    205G  LYS*     3.6     9.4    -      -       +      +
    207G  ALA*     1.3    74.5    -      -       -      +
    209G  LYS*     1.3    63.1    +      -       -      +
    211G  GLY*     3.5     8.2    +      -       -      -
    212G  THR      5.1     0.4    -      -       -      -
    211M  GLY*     5.2    16.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 209 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    151G  GLU*     3.9    21.0    +      -       -      +
    155G  GLU*     5.6     3.6    +      -       -      +
    205G  LYS*     2.9    19.1    +      -       +      +
    206G  ILE*     3.1     8.9    +      -       +      +
    208G  LYS*     1.3    76.4    -      -       -      +
    210G  THR*     1.3    66.2    +      -       +      +
    211G  GLY      3.7     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with THR 210 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    151G  GLU*     4.4     3.4    -      -       +      +
    154G  ALA*     3.4    29.0    -      -       +      +
    155G  GLU*     4.2    28.3    -      -       +      +
    206G  ILE*     2.7    27.8    +      -       +      +
    207G  ALA*     3.2     0.9    +      -       -      -
    209G  LYS*     1.3    83.7    -      -       +      +
    211G  GLY*     1.3    60.7    +      -       -      +
    212G  THR*     2.9    29.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 211 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207G  ALA      2.9     5.4    +      -       -      -
    208G  LYS*     3.5     6.9    +      -       -      -
    209G  LYS      3.4     3.8    +      -       -      -
    210G  THR*     1.3    78.7    -      -       -      +
    212G  THR*     1.3    61.9    +      -       -      +
    213G  ILE*     5.9     0.5    -      -       -      +
    208M  LYS*     4.8    22.6    +      -       -      -
----------------------------------------------------------
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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).

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