Contacts of the helix formed by residues 221 - 250 (chain F) in PDB entry 4NFI


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 GLY 221 (chain F).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    219F  ILE*     3.7     2.6    -      -       -      +
    220F  ASP*     1.3    80.9    +      -       -      +
    222F  GLU*     1.3    67.3    +      -       -      -
    223F  LYS      3.2     2.7    -      -       -      -
    224F  GLU*     3.2    21.2    +      -       -      +
    225F  HIS*     3.0    26.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 222 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    220F  ASP      3.5     3.4    +      -       -      -
    221F  GLY*     1.3    70.9    -      -       -      +
    223F  LYS*     1.3    57.8    +      -       -      +
    225F  HIS*     3.3     5.8    +      -       -      +
    226F  ALA*     2.9    30.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 223 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    221F  GLY      3.2     1.0    -      -       -      -
    222F  GLU*     1.3    80.2    -      -       -      +
    224F  GLU*     1.3    65.3    +      -       -      +
    226F  ALA*     3.2     6.7    +      -       +      +
    227F  ASN*     2.9    45.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 224 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    214F  MET*     3.6     7.4    -      -       +      +
    219F  ILE*     3.9    29.4    -      -       +      -
    221F  GLY*     3.2    26.4    +      -       -      +
    223F  LYS*     1.3    82.2    +      -       -      +
    225F  HIS*     1.3    63.0    +      -       -      +
    227F  ASN*     3.6     7.2    +      -       -      +
    228F  ALA*     3.1    23.6    +      -       -      +
    335F  PRO*     4.5    28.3    -      -       +      +
    336F  LEU*     5.3     4.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 225 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207F  TYR*     2.6    34.1    +      -       +      +
    211F  ALA*     3.8    20.3    -      -       +      +
    214F  MET*     3.7    17.4    -      -       +      +
    215F  TYR*     3.5    37.0    +      +       -      -
    219F  ILE      2.8    28.1    +      -       -      -
    220F  ASP      3.9     8.5    -      -       -      -
    221F  GLY      3.0    29.2    +      -       -      +
    222F  GLU*     3.8     5.2    -      -       -      +
    224F  GLU*     1.3    74.1    -      -       +      +
    226F  ALA*     1.3    63.8    +      -       -      +
    228F  ALA*     3.3     3.1    +      -       -      +
    229F  LYS*     3.0    28.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 226 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222F  GLU*     2.9    21.0    +      -       +      +
    223F  LYS*     3.7     7.0    -      -       +      +
    225F  HIS*     1.3    72.0    -      -       -      +
    227F  ASN*     1.3    67.2    +      -       -      +
    229F  LYS*     3.3    13.5    +      -       -      +
    230F  LYS*     3.1    33.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 227 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    223F  LYS*     2.9    34.7    +      -       -      +
    224F  GLU*     3.9     6.9    -      -       -      +
    226F  ALA*     1.3    79.4    -      -       -      +
    228F  ALA*     1.3    62.2    +      -       -      +
    230F  LYS*     3.1    20.4    +      -       -      +
    231F  ILE*     3.5     4.3    +      -       -      +
    332F  TYR*     3.4    54.7    +      -       +      +
    334F  ALA      4.6    11.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 228 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207F  TYR*     4.9     3.4    -      -       +      -
    210F  ILE*     4.8     0.2    -      -       +      -
    214F  MET*     4.0    22.4    -      -       +      -
    224F  GLU      3.1    18.2    +      -       -      +
    225F  HIS*     3.3     4.5    +      -       -      +
    227F  ASN*     1.3    75.7    -      -       -      +
    229F  LYS*     1.3    59.2    +      -       -      +
    231F  ILE*     3.1     5.6    +      -       -      +
    232F  LEU*     2.9    46.5    +      -       +      +
    332F  TYR      4.9     0.6    +      -       -      -
    336F  LEU*     5.0     2.2    -      -       +      -
    341F  PHE*     4.1    22.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 229 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    166F  GLN*     5.2     4.4    -      -       -      +
    203F  PHE*     4.3    14.6    -      -       +      -
    207F  TYR*     3.6    50.4    +      -       +      -
    225F  HIS*     3.0    19.7    +      -       -      +
    226F  ALA*     3.4    10.8    -      -       -      +
    228F  ALA*     1.3    79.0    -      -       -      +
    230F  LYS*     1.3    57.3    +      -       +      +
    232F  LEU*     4.3     2.7    -      -       -      +
    233F  LEU*     2.8    59.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 230 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    226F  ALA*     3.1    23.4    +      -       -      +
    227F  ASN*     3.1    10.6    +      -       -      +
    229F  LYS*     1.3    76.0    -      -       -      +
    231F  ILE*     1.3    61.5    +      -       -      +
    233F  LEU*     5.5     0.9    -      -       -      -
    234F  GLU*     3.5    23.2    +      -       -      +
    328F  LEU*     3.6     7.9    -      -       +      +
    332F  TYR*     3.7    49.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 231 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    227F  ASN      4.0     3.6    -      -       -      +
    228F  ALA      3.1     5.3    +      -       -      +
    230F  LYS*     1.3    79.2    -      -       -      +
    232F  LEU*     1.3    60.5    +      -       -      +
    234F  GLU*     3.3     5.9    +      -       -      +
    235F  MET*     3.0    38.1    +      -       +      +
    325F  ILE*     4.7     6.9    -      -       +      +
    328F  LEU*     3.7    27.6    -      -       +      +
    329F  ILE*     3.9    22.7    -      -       +      +
    332F  TYR*     3.7    31.4    -      -       +      +
    333F  ALA      3.9     2.5    -      -       -      +
    341F  PHE*     3.6    49.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 232 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202F  ALA      4.6     0.2    -      -       -      +
    206F  PHE*     3.3    44.1    -      -       +      +
    207F  TYR*     3.9    14.8    -      -       +      +
    210F  ILE*     3.6    30.5    -      -       +      -
    228F  ALA*     2.9    28.4    +      -       +      +
    229F  LYS*     4.2     2.7    -      -       -      +
    231F  ILE*     1.3    77.7    -      -       -      +
    233F  LEU*     1.3    58.8    +      -       -      +
    235F  MET*     3.3    14.3    +      -       -      +
    236F  GLY*     2.9    23.7    +      -       -      -
    341F  PHE*     4.0    16.4    -      -       +      -
    344F  LEU*     3.8    25.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 233 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198F  LYS*     4.6    19.8    -      -       +      +
    202F  ALA*     3.7    36.6    -      -       +      +
    203F  PHE*     3.9    38.8    -      -       +      +
    207F  TYR*     4.4     9.0    -      -       +      -
    229F  LYS*     2.8    38.7    +      -       +      +
    230F  LYS*     5.3     1.3    -      -       -      +
    232F  LEU*     1.3    76.0    -      -       -      +
    234F  GLU*     1.3    60.1    +      -       +      +
    236F  GLY*     3.3     1.6    +      -       -      -
    237F  GLU*     3.0    26.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 234 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    194F  LYS*     5.8     1.7    -      -       -      -
    230F  LYS      3.5    14.8    -      -       -      +
    231F  ILE      3.3     6.9    +      -       -      +
    233F  LEU*     1.3    78.6    -      -       +      +
    235F  MET*     1.3    64.0    +      -       -      +
    237F  GLU*     3.3    24.5    +      -       -      +
    238F  PHE*     3.2    18.4    +      -       -      +
    317F  TYR*     5.5     0.2    +      -       -      -
    321F  SER*     5.2     0.2    +      -       -      -
    324F  HIS*     3.5    22.2    +      -       -      -
    325F  ILE*     3.5    22.5    -      -       +      +
    328F  LEU*     3.5    13.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 235 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206F  PHE*     3.9    11.2    -      -       +      -
    231F  ILE*     3.0    23.5    +      -       +      +
    232F  LEU*     3.4    29.4    -      -       -      +
    234F  GLU*     1.3    75.0    -      -       -      +
    236F  GLY*     1.3    58.5    +      -       -      +
    238F  PHE*     3.2     7.2    +      -       -      +
    239F  PHE*     2.9    27.4    +      -       -      +
    325F  ILE*     3.7    32.1    -      -       +      +
    329F  ILE*     4.3     2.0    -      -       +      -
    341F  PHE*     3.4    31.0    -      -       +      +
    344F  LEU*     4.0    16.2    -      -       +      -
    345F  ALA*     3.8    19.5    -      -       +      +
    348F  ILE*     4.0    18.9    -      -       +      +
    349F  TYR*     4.8     0.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 236 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    197F  VAL      5.2     0.4    -      -       -      +
    201F  THR*     4.2     5.0    -      -       -      +
    202F  ALA*     3.8    15.9    -      -       -      -
    206F  PHE*     3.5    25.3    -      -       -      -
    232F  LEU      2.9    13.1    +      -       -      -
    233F  LEU      3.3     4.4    +      -       -      -
    234F  GLU      3.2     0.2    -      -       -      -
    235F  MET*     1.3    78.6    -      -       -      +
    237F  GLU*     1.3    61.4    +      -       -      +
    239F  PHE*     3.3     2.8    +      -       -      +
    240F  GLN*     3.1    22.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 237 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193F  TYR*     5.1     1.1    -      -       +      -
    194F  LYS*     3.3    54.8    +      -       -      +
    197F  VAL*     4.0    24.1    -      -       +      +
    198F  LYS*     5.9     1.3    -      -       -      +
    202F  ALA*     4.2     1.9    -      -       +      +
    233F  LEU      3.0    13.5    +      -       -      +
    234F  GLU*     3.6    25.8    -      -       -      +
    235F  MET      3.3     0.4    -      -       -      -
    236F  GLY*     1.3    73.4    -      -       -      +
    238F  PHE*     1.3    65.5    +      -       -      +
    240F  GLN*     3.1     4.2    +      -       -      +
    241F  ILE*     3.0    39.2    +      -       +      +
    317F  TYR*     4.3    10.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 238 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    234F  GLU      3.2     7.1    +      -       -      +
    235F  MET      3.2     7.0    +      -       -      +
    237F  GLU*     1.3    79.2    -      -       -      +
    239F  PHE*     1.3    61.1    +      -       -      +
    241F  ILE*     3.2     1.8    +      -       -      +
    242F  GLN*     2.8    55.2    +      -       +      +
    314F  PHE*     4.2     7.2    -      +       -      -
    317F  TYR*     3.2    38.3    +      +       -      +
    318F  GLU*     3.6    42.0    -      -       +      -
    321F  SER*     3.5    13.0    -      -       -      +
    348F  ILE*     3.9    16.6    -      -       +      -
    349F  TYR*     3.2    44.0    -      +       -      +
----------------------------------------------------------
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Residues in contact with PHE 239 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60F  ARG*     3.9    27.6    -      -       -      -
    201F  THR*     3.8    21.1    -      -       +      -
    205F  SER*     5.7     0.2    -      -       -      -
    206F  PHE*     3.6    30.3    -      +       +      -
    235F  MET      2.9    13.8    +      -       -      +
    236F  GLY      3.5     7.6    -      -       -      +
    238F  PHE*     1.3    84.9    -      -       -      +
    240F  GLN*     1.3    60.9    +      -       -      +
    242F  GLN*     3.4    21.5    +      -       -      +
    243F  ASP*     2.8    34.5    +      -       +      +
    348F  ILE*     4.2    16.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 240 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193F  TYR*     3.6     3.4    -      -       -      +
    197F  VAL*     3.4    39.0    -      -       +      -
    200F  LYS*     3.7    21.8    -      -       -      +
    201F  THR*     2.7    34.2    +      -       +      +
    236F  GLY      3.1    15.8    +      -       -      +
    237F  GLU      3.9     0.9    -      -       -      +
    239F  PHE*     1.3    76.4    -      -       -      +
    241F  ILE*     1.3    61.3    +      -       -      +
    243F  ASP*     3.0    26.7    +      -       -      +
    244F  ASP*     2.9    50.5    +      -       -      +
    401F  JD5      3.8     9.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 241 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193F  TYR*     3.4    23.1    -      -       +      +
    237F  GLU*     3.0    31.1    +      -       +      +
    238F  PHE      3.5     6.1    -      -       -      +
    240F  GLN*     1.3    73.6    -      -       -      +
    242F  GLN*     1.3    65.5    +      -       -      +
    244F  ASP*     3.1     3.8    +      -       -      +
    245F  TYR*     3.0    22.2    +      -       -      +
    269F  TRP*     3.4    49.9    -      -       +      +
    314F  PHE*     4.0     6.5    -      -       +      -
    317F  TYR*     2.9    48.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 242 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    238F  PHE*     2.8    28.0    +      -       +      +
    239F  PHE*     3.5    29.5    -      -       -      +
    241F  ILE*     1.3    77.1    -      -       -      +
    243F  ASP*     1.3    56.4    +      -       -      +
    245F  TYR*     3.3     1.2    +      -       -      +
    246F  LEU*     2.9    52.9    +      -       +      +
    314F  PHE*     3.8    17.4    -      -       +      -
    318F  GLU*     3.8    12.7    +      -       -      -
    348F  ILE*     3.1    25.7    +      -       -      +
    351F  ARG*     3.1    35.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 243 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    239F  PHE*     2.8    27.8    +      -       +      +
    240F  GLN*     3.0    32.1    +      -       -      +
    242F  GLN*     1.3    73.9    -      -       -      +
    244F  ASP*     1.3    58.1    +      -       -      +
    246F  LEU*     3.3     8.3    +      -       -      +
    247F  ASP*     2.9    27.4    +      -       -      +
    257F  LYS*     3.7    14.0    +      -       -      -
    401F  JD5      3.0    14.9    +      -       -      -
    403F   MG      2.1    28.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 244 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193F  TYR*     2.7    27.6    +      -       -      -
    200F  LYS*     4.9     2.6    +      -       -      -
    240F  GLN*     2.9    37.3    +      -       -      +
    241F  ILE      3.1     8.3    +      -       -      +
    243F  ASP*     1.3    75.6    -      -       -      +
    245F  TYR*     1.3    66.4    +      -       -      +
    247F  ASP*     3.4    15.1    -      -       -      +
    248F  LEU      3.9     0.2    +      -       -      -
    261F  ASP*     4.0    14.3    -      -       -      +
    267F  CYS      4.5     0.2    -      -       -      +
    268F  SER*     3.5    14.4    -      -       -      -
    269F  TRP*     2.9    28.5    +      -       +      +
    270F  LEU*     3.5    16.3    -      -       -      +
    401F  JD5      4.7     1.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 245 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241F  ILE      3.0    15.7    +      -       -      +
    242F  GLN      3.7     2.7    -      -       -      +
    244F  ASP*     1.3    77.1    -      -       -      +
    246F  LEU*     1.3    80.0    +      -       +      +
    248F  LEU      3.3     2.4    +      -       -      -
    249F  PHE*     2.9    68.8    +      +       +      +
    269F  TRP*     5.2     1.1    -      -       +      -
    270F  LEU*     4.0    17.7    -      -       +      +
    311F  PRO*     3.9    31.3    +      -       +      +
    314F  PHE*     3.7    53.2    -      +       +      -
    315F  LEU*     5.0     7.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 246 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    242F  GLN*     2.9    43.4    +      -       +      +
    243F  ASP*     3.9     7.9    -      -       -      +
    245F  TYR*     1.3    91.1    -      -       +      +
    247F  ASP*     1.3    64.8    +      -       -      +
    248F  LEU      3.1     2.9    -      -       -      -
    250F  GLY*     3.0    39.1    +      -       -      +
    255F  THR*     4.2    14.3    +      -       +      +
    257F  LYS*     5.6     2.2    -      -       -      +
    351F  ARG      4.9     0.9    -      -       -      +
    352F  ARG*     3.9    39.5    -      -       +      +
    353F  LYS      4.1    13.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 247 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    243F  ASP*     2.9    14.5    +      -       -      +
    244F  ASP      3.4     9.6    -      -       -      +
    245F  TYR      3.2     0.6    -      -       -      -
    246F  LEU*     1.3    76.5    -      -       -      +
    248F  LEU*     1.3    61.2    +      -       +      +
    250F  GLY      5.6     0.3    -      -       -      +
    257F  LYS*     4.3    14.4    +      -       -      +
    258F  ILE      4.8     0.2    -      -       -      +
    259F  GLY*     3.2    40.8    +      -       -      -
    260F  THR*     3.1     7.0    +      -       -      -
    261F  ASP*     2.9    57.7    +      -       +      +
    403F   MG      4.0     9.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 248 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    244F  ASP      3.9     0.6    +      -       -      +
    245F  TYR      3.3     2.4    +      -       -      -
    247F  ASP*     1.3    83.4    -      -       +      +
    249F  PHE*     1.3    74.0    +      -       +      +
    250F  GLY      3.6     5.2    -      -       -      +
    262F  ILE*     3.6    26.0    -      -       +      -
    270F  LEU*     3.9    14.1    -      -       +      -
    298F  VAL*     5.1     6.5    -      -       +      -
    302F  LYS*     3.5    48.9    +      -       +      +
    305F  TYR*     3.3    39.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 249 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    245F  TYR*     2.9    56.1    +      +       +      +
    246F  LEU*     4.6     0.4    -      -       -      -
    248F  LEU*     1.3    98.6    -      -       +      +
    250F  GLY*     1.3    65.5    +      -       -      +
    251F  ASP      3.9     0.2    +      -       -      -
    270F  LEU*     4.0    17.7    -      -       +      -
    302F  LYS*     4.0    19.3    -      -       +      +
    305F  TYR*     4.1    13.9    -      -       +      -
    306F  GLU*     3.7    37.0    -      -       +      -
    311F  PRO*     4.1    22.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 250 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    246F  LEU*     3.0    43.1    +      -       -      +
    247F  ASP      5.6     0.2    -      -       -      +
    248F  LEU      4.4     4.5    -      -       -      +
    249F  PHE*     1.3    84.5    -      -       -      +
    251F  ASP*     1.3    62.8    +      -       -      -
    252F  PRO*     3.6     8.1    -      -       -      +
    255F  THR*     4.2     5.4    -      -       -      -
    352F  ARG      5.3     0.4    -      -       -      -
----------------------------------------------------------
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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