Contacts of the helix formed by residues 12 - 39 (chain E) in PDB entry 2FMM


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 SER 12 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10E  ASP      4.2     0.8    +      -       -      -
     11E  LEU*     1.3    76.6    -      -       -      +
     13E  ARG*     1.3    86.6    +      -       -      +
     14E  ASP*     3.6     9.3    +      -       -      +
     15E  GLU*     2.9    32.8    +      -       -      +
     16E  CYS*     2.9    21.6    +      -       -      -
     18E  ARG*     4.6     0.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 13 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     11E  LEU      3.9     2.0    +      -       -      -
     12E  SER*     1.3    98.7    -      -       -      +
     14E  ASP*     1.3    65.7    +      -       -      +
     16E  CYS*     3.2    10.3    +      -       -      +
     17E  LYS*     3.0    29.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 14 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12E  SER*     3.1     7.4    +      -       -      +
     13E  ARG*     1.3    78.1    -      -       -      +
     15E  GLU*     1.3    63.4    +      -       -      +
     17E  LYS*     3.1    31.3    +      -       -      +
     18E  ARG*     3.0    49.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 15 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     11E  LEU*     4.5    16.8    -      -       +      +
     12E  SER*     2.9    32.4    +      -       -      +
     14E  ASP*     1.3    75.1    -      -       -      +
     16E  CYS*     1.3    58.2    +      -       -      +
     18E  ARG*     2.8    38.1    +      -       -      +
     19E  ILE*     2.9    46.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 16 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     11E  LEU*     3.7    31.0    -      -       -      -
     12E  SER      2.9    17.0    +      -       -      -
     13E  ARG*     3.4    11.9    -      -       -      +
     15E  GLU*     1.3    77.0    -      -       -      +
     17E  LYS*     1.3    58.8    +      -       +      +
     19E  ILE*     3.3     7.6    +      -       -      +
     20E  LEU*     2.9    31.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 17 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13E  ARG*     3.0    18.1    +      -       +      +
     14E  ASP*     3.1    33.4    +      -       -      +
     16E  CYS*     1.3    77.8    -      -       +      +
     18E  ARG*     1.3    59.3    +      -       +      +
     20E  LEU*     3.7     8.3    -      -       +      +
     21E  ARG*     3.0    30.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 18 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12E  SER*     4.6     0.2    +      -       -      -
     14E  ASP*     3.0    56.3    +      -       -      +
     15E  GLU*     2.8    44.1    +      -       -      +
     17E  LYS*     1.3    75.5    -      -       +      +
     19E  ILE*     1.3    66.1    +      -       +      +
     21E  ARG*     3.3     6.9    +      -       -      +
     22E  LYS*     3.0    23.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 19 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     11E  LEU*     5.4    15.5    -      -       +      -
     15E  GLU*     2.9    35.3    +      -       +      +
     16E  CYS*     3.7     6.7    -      -       -      +
     18E  ARG*     1.3    79.3    -      -       +      +
     20E  LEU*     1.3    58.6    +      -       -      +
     22E  LYS*     3.1    15.5    +      -       +      +
     23E  LEU*     2.8    45.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 20 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16E  CYS      2.9    17.7    +      -       -      +
     17E  LYS*     3.7     7.9    -      -       +      +
     19E  ILE*     1.3    77.0    -      -       -      +
     21E  ARG*     1.3    63.1    +      -       -      +
     23E  LEU*     3.0    18.3    +      -       +      +
     24E  GLU*     2.9    55.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 21 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143D  GLU*     2.6    51.3    +      -       +      +
     17E  LYS      3.0    18.1    +      -       -      +
     18E  ARG*     3.7     7.2    -      -       -      +
     20E  LEU*     1.3    75.7    -      -       -      +
     22E  LYS*     1.3    62.0    +      -       -      +
     24E  GLU*     3.0    34.5    +      -       -      +
     25E  LEU*     3.0    37.8    +      -       -      +
     56E  LEU      3.3     7.7    +      -       -      -
     57E  SER*     2.6    35.7    +      -       -      -
     58E  ILE*     4.2     7.5    -      -       -      +
     59E  SER*     4.9     2.2    -      -       -      +
     62E  ARG*     4.9     7.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 22 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    142D  ASP*     4.6    26.6    +      -       +      +
     18E  ARG      3.0    13.6    +      -       -      +
     19E  ILE*     3.4    18.4    -      -       +      +
     21E  ARG*     1.3    77.4    -      -       -      +
     23E  LEU*     1.3    58.8    +      -       +      +
     25E  LEU*     3.4     9.2    +      -       -      +
     26E  GLU*     3.0    63.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 23 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19E  ILE*     2.8    32.0    +      -       +      +
     20E  LEU*     3.0    21.7    +      -       +      +
     22E  LYS*     1.3    77.1    -      -       +      +
     24E  GLU*     1.3    58.7    +      -       -      +
     26E  GLU*     3.9    15.0    -      -       +      +
     27E  ALA*     2.9    31.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 24 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20E  LEU*     2.9    45.0    +      -       +      +
     21E  ARG*     3.0    35.5    +      -       -      +
     22E  LYS      3.2     0.2    -      -       -      -
     23E  LEU*     1.3    77.0    -      -       +      +
     25E  LEU*     1.3    61.5    +      -       -      +
     27E  ALA*     3.4     6.6    +      -       -      +
     28E  TYR*     3.0    24.1    +      -       -      +
     55E  VAL      4.6     3.6    -      -       -      +
     56E  LEU*     3.6    47.2    -      -       +      +
     57E  SER*     4.7     4.4    -      -       -      -
     58E  ILE*     4.1     3.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 25 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    142D  ASP*     3.5    32.1    -      -       +      +
    143D  GLU*     3.9     6.5    -      -       -      +
     21E  ARG*     3.0    32.8    +      -       -      +
     22E  LYS*     3.9     5.8    -      -       -      +
     23E  LEU      3.4     0.2    -      -       -      -
     24E  GLU*     1.3    77.5    -      -       -      +
     26E  GLU*     1.3    58.6    +      -       +      +
     28E  TYR*     3.3     2.6    +      -       -      +
     29E  ALA*     2.9    30.6    +      -       -      +
     58E  ILE*     3.6    24.9    -      -       +      -
     62E  ARG*     3.8    38.8    -      -       +      +
     66E  GLU*     5.5     1.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 26 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     22E  LYS*     3.0    54.2    +      -       +      +
     23E  LEU*     4.0    16.7    -      -       -      +
     25E  LEU*     1.3    76.3    -      -       +      +
     27E  ALA*     1.3    57.3    +      -       -      +
     29E  ALA*     3.8     6.0    -      -       -      +
     30E  GLY*     2.9    26.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 27 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23E  LEU      2.9    19.5    +      -       -      +
     24E  GLU*     3.6     6.3    -      -       -      +
     25E  LEU      3.2     0.2    -      -       -      -
     26E  GLU*     1.3    76.6    -      -       -      +
     28E  TYR*     1.3    62.1    +      -       -      +
     30E  GLY*     3.3     3.0    +      -       -      -
     31E  VAL*     3.2    27.9    +      -       +      +
     56E  LEU*     3.9    17.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 28 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24E  GLU      3.0    16.5    +      -       -      +
     25E  LEU      3.8     3.8    -      -       -      +
     27E  ALA*     1.3    77.4    -      -       -      +
     29E  ALA*     1.3    62.5    +      -       -      +
     31E  VAL*     3.2     3.8    +      -       -      +
     32E  ILE*     3.0    46.2    +      -       +      +
     49E  LEU*     3.6    34.3    +      -       +      +
     52E  LEU*     3.7    26.7    -      -       +      -
     53E  SER*     3.7    18.2    -      -       -      -
     56E  LEU*     3.9     5.5    -      -       +      +
     58E  ILE*     3.8    31.4    -      -       +      -
     63E  HIS*     2.6    50.4    +      +       -      +
     66E  GLU*     4.4    11.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 29 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25E  LEU      2.9    19.0    +      -       -      +
     26E  GLU*     3.8     7.4    -      -       -      +
     28E  TYR*     1.3    76.6    -      -       -      +
     30E  GLY*     1.3    58.4    +      -       -      +
     32E  ILE*     3.3     6.8    +      -       -      +
     33E  SER*     2.9    33.1    +      -       -      -
     66E  GLU*     3.5    29.3    -      -       -      +
     69E  ARG*     4.3     4.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 30 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26E  GLU      2.9    17.9    +      -       -      -
     27E  ALA*     3.3     2.2    +      -       -      -
     28E  TYR      3.2     0.4    -      -       -      -
     29E  ALA*     1.3    77.8    -      -       -      +
     31E  VAL*     1.3    61.4    +      -       -      +
     33E  SER*     3.4     7.3    +      -       -      -
     34E  ALA*     3.1    23.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 31 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27E  ALA*     3.2    14.0    +      -       +      +
     28E  TYR      3.2     7.5    +      -       -      +
     30E  GLY*     1.3    72.0    -      -       -      +
     32E  ILE*     1.3    68.9    +      -       -      +
     34E  ALA*     3.2     6.1    +      -       +      +
     35E  LEU*     2.9    46.9    +      -       +      +
     48E  LEU*     5.2     8.1    -      -       +      -
     49E  LEU*     4.0     5.6    -      -       +      -
     52E  LEU*     3.6    30.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 32 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28E  TYR*     3.0    43.2    +      -       +      +
     29E  ALA*     3.5     8.7    -      -       -      +
     31E  VAL*     1.3    77.4    -      -       -      +
     33E  SER*     1.3    57.0    +      -       -      +
     35E  LEU*     3.4     4.8    +      -       -      +
     36E  ARG*     2.9    28.6    +      -       -      +
     49E  LEU*     3.6    36.6    -      -       +      -
     66E  GLU*     3.8    23.6    -      -       +      +
     67E  VAL*     4.2    18.6    -      -       +      -
     69E  ARG*     4.5     2.0    -      -       -      +
     70E  ALA*     3.7    22.9    -      -       +      -
     92E  TRP*     4.5     8.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 33 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     29E  ALA      2.9    15.5    +      -       -      -
     30E  GLY*     3.7     7.9    -      -       -      -
     32E  ILE*     1.3    77.5    -      -       -      +
     34E  ALA*     1.3    62.9    +      -       -      +
     36E  ARG*     3.3     2.5    +      -       -      +
     37E  ALA*     3.0    24.1    +      -       -      +
     69E  ARG*     2.7    27.8    +      -       -      +
     76E  LEU*     4.0    26.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 34 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30E  GLY      3.1    17.2    +      -       -      +
     31E  VAL*     3.7     6.7    -      -       +      +
     33E  SER*     1.3    75.2    -      -       -      +
     35E  LEU*     1.3    66.4    +      -       +      +
     37E  ALA*     3.3     9.1    +      -       -      +
     38E  GLN*     3.2    29.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 35 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31E  VAL*     2.9    29.0    +      -       +      +
     32E  ILE      3.9     1.6    -      -       -      +
     34E  ALA*     1.3    74.6    -      -       +      +
     36E  ARG*     1.3    66.0    +      -       -      +
     38E  GLN*     3.1    37.0    +      -       -      +
     39E  GLY      3.3    12.6    +      -       -      +
     45E  LYS*     4.1    33.4    +      -       +      +
     48E  LEU*     4.8    13.0    -      -       +      -
     49E  LEU*     3.8    40.6    -      -       +      -
     92E  TRP*     3.7    15.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 36 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32E  ILE      2.9    18.5    +      -       -      +
     33E  SER*     3.7     3.8    -      -       -      +
     35E  LEU*     1.3    76.4    -      -       -      +
     37E  ALA*     1.3    61.5    +      -       -      +
     39E  GLY      3.2    11.3    +      -       -      +
     70E  ALA*     3.5    38.8    +      -       +      +
     71E  VAL*     4.1    10.0    +      -       +      +
     76E  LEU*     3.6    17.7    -      -       +      -
     77E  THR*     3.5    41.3    +      -       -      +
     80E  ALA*     3.5    10.3    -      -       -      +
     81E  HIS*     5.6     0.6    +      -       -      -
     88E  SER*     2.8    25.4    +      -       -      -
     89E  SER*     3.4    27.0    -      -       -      -
     92E  TRP*     3.6    27.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 37 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     33E  SER      3.0    16.5    +      -       -      +
     34E  ALA*     3.5     8.3    -      -       -      +
     35E  LEU      3.2     0.2    -      -       -      -
     36E  ARG*     1.3    79.5    -      -       -      +
     38E  GLN*     1.3    60.8    +      -       +      +
     76E  LEU*     3.9    26.4    -      -       +      +
     79E  ILE*     3.7    23.9    -      -       +      +
     80E  ALA*     3.1    20.3    +      -       -      -
     83E  MET*     3.9     4.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 38 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34E  ALA*     3.2    18.9    +      -       -      +
     35E  LEU*     3.1    21.3    +      -       -      +
     37E  ALA*     1.3    77.7    -      -       -      +
     39E  GLY*     1.3    57.6    +      -       -      +
     45E  LYS*     2.8    43.2    +      -       -      +
     80E  ALA*     4.7     0.2    -      -       -      -
     83E  MET*     4.0    11.8    -      -       -      +
     84E  SER*     2.9    18.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 39 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     35E  LEU      3.3     4.9    -      -       -      +
     36E  ARG      3.2    12.0    +      -       -      +
     37E  ALA      3.3     0.2    -      -       -      -
     38E  GLN*     1.3    81.7    -      -       -      +
     40E  ASP*     1.3    65.7    +      -       -      +
     45E  LYS*     5.5     1.6    -      -       -      -
     80E  ALA*     4.1     3.8    -      -       -      -
     84E  SER*     3.2    14.4    -      -       -      -
     88E  SER*     3.7    13.0    -      -       -      -
     92E  TRP*     2.8    19.1    +      -       -      -
----------------------------------------------------------
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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