Contacts of the helix formed by residues 25 - 74 (chain M) in PDB entry 3Q84


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 TYR 25 (chain M).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19M  PHE*     3.9    23.4    +      -       +      +
     23M  GLY*     3.4    29.8    -      -       -      -
     24M  ASN*     1.3    79.8    -      -       -      +
     26M  LYS*     1.3    66.4    +      -       +      +
     27M  ARG      3.3     0.7    -      -       -      -
     28M  THR*     3.0    17.4    +      -       -      +
     29M  VAL*     3.4     8.3    +      -       +      +
    136M  GLU*     3.7    31.0    +      -       -      -
    139M  PHE*     2.9    60.3    -      +       +      -
    140M  ARG*     3.5    30.8    +      -       -      +
    143M  GLN*     3.8    20.2    +      -       -      -
    227M  MSE      5.5     2.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 26 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23M  GLY      3.3    15.3    +      -       -      +
     24M  ASN*     2.8    30.0    +      -       -      +
     25M  TYR*     1.3    81.4    -      -       -      +
     27M  ARG*     1.3    74.3    +      -       +      +
     29M  VAL*     2.8    29.3    +      -       -      +
     30M  LYS*     2.9    14.3    +      -       +      +
    136M  GLU*     5.3     5.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 27 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17M  ASP*     2.3    37.2    +      -       -      +
     18M  SER      4.2     2.8    -      -       -      -
     19M  PHE*     4.6     1.2    -      -       -      +
     24M  ASN*     3.5    20.1    +      -       -      +
     25M  TYR      3.3     0.4    -      -       -      -
     26M  LYS*     1.3    95.3    -      -       +      +
     28M  THR*     1.3    62.2    +      -       -      +
     30M  LYS*     3.2    10.3    +      -       -      +
     31M  ARG*     3.0    23.4    +      -       -      +
    287N  PHE*     4.1     6.3    -      -       +      -
    290N  THR      4.9     1.5    +      -       -      -
    291N  SER*     2.6    61.7    +      -       -      +
    295N  MSE      4.0    13.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 28 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19M  PHE*     4.5     6.1    -      -       -      -
     24M  ASN      5.0     0.2    +      -       -      -
     25M  TYR*     3.0    12.9    +      -       -      -
     27M  ARG*     1.3    78.4    -      -       -      +
     29M  VAL*     1.3    58.7    +      -       -      +
     31M  ARG*     3.6    17.7    +      -       -      +
     32M  ILE*     2.9    19.3    -      -       -      +
    139M  PHE*     3.9    18.6    -      -       +      -
    231M  PHE*     4.0    17.7    -      -       +      -
    234M  CYS*     3.9    33.2    -      -       +      -
    287N  PHE*     3.7    20.3    -      -       -      -
    291N  SER      4.4     9.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 29 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25M  TYR*     3.4     4.4    +      -       +      +
     26M  LYS      2.8    11.4    +      -       -      +
     28M  THR*     1.3    75.5    -      -       -      +
     30M  LYS*     1.3    66.5    +      -       -      +
     31M  ARG      3.1     1.8    -      -       -      -
     32M  ILE*     3.0    23.7    +      -       +      +
     33M  ASP*     3.5     6.2    +      -       -      +
    132M  THR*     3.9    26.0    +      -       +      +
    135M  ALA*     3.8    17.9    -      -       +      +
    136M  GLU*     3.8    48.0    -      -       +      +
    139M  PHE*     4.7    10.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 30 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26M  LYS*     2.9    12.4    +      -       +      +
     27M  ARG*     3.5    13.5    -      -       -      +
     29M  VAL*     1.3    76.8    -      -       -      +
     31M  ARG*     1.3    50.8    +      -       -      +
     33M  ASP*     2.9    24.5    +      -       -      +
     34M  ASP*     2.8    63.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 31 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27M  ARG      3.0    11.7    +      -       -      +
     28M  THR*     3.6    30.8    +      -       -      +
     29M  VAL      3.1     0.2    -      -       -      -
     30M  LYS*     1.3    76.6    -      -       -      +
     32M  ILE*     1.3    63.8    +      -       -      +
     34M  ASP*     4.0     9.9    -      -       -      +
     35M  GLY*     3.2    18.9    +      -       -      -
    234M  CYS*     4.2    11.1    +      -       -      +
    235M  GLN*     2.7    42.2    -      -       -      +
    238M  GLU*     3.4    55.4    -      -       +      +
     77N  TYR*     3.7    13.0    +      -       +      -
    284N  LEU*     4.2     1.2    -      -       -      +
    287N  PHE*     3.5    39.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 32 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28M  THR      2.9    29.6    -      -       -      +
     29M  VAL*     3.0    24.1    +      -       +      +
     31M  ARG*     1.3    79.8    -      -       -      +
     33M  ASP*     1.3    63.4    +      -       -      +
     35M  GLY      3.6     0.9    +      -       -      -
    121M  TYR*     3.4    38.6    +      -       +      -
    129M  PHE*     5.4     0.4    -      -       +      -
    131M  GLU*     4.2     5.4    -      -       +      +
    132M  THR*     3.4    29.8    -      -       -      +
    135M  ALA*     4.3     8.7    -      -       +      -
    234M  CYS*     4.2    26.0    -      -       +      +
    237M  PHE*     4.2    26.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 33 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     29M  VAL*     3.5     6.1    +      -       -      +
     30M  LYS*     2.9    29.3    +      -       -      +
     32M  ILE*     1.3    75.3    -      -       -      +
     34M  ASP*     1.3    66.5    +      -       -      +
     35M  GLY      3.1     1.8    -      -       -      -
     36M  HIS*     2.8    19.9    +      -       -      +
     37M  ARG*     3.3     8.1    +      -       -      +
    129M  PHE*     3.2    30.9    -      -       -      -
    132M  THR*     3.2    23.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 34 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30M  LYS*     2.8    56.2    +      -       -      +
     31M  ARG*     4.0     8.9    +      -       +      +
     32M  ILE      3.5     0.2    -      -       -      -
     33M  ASP*     1.3    72.5    -      -       -      +
     35M  GLY*     1.3    57.4    +      -       -      +
     37M  ARG*     3.1    13.8    +      -       -      +
     38M  LEU*     2.8    36.7    +      -       +      +
     75N  PRO*     3.7    33.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLY 35 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31M  ARG      3.2    14.7    +      -       -      -
     32M  ILE      3.6     0.2    +      -       -      -
     33M  ASP      3.0     1.6    +      -       -      -
     34M  ASP*     1.3    76.8    -      -       -      +
     36M  HIS*     1.3    60.9    +      -       -      +
     38M  LEU*     3.4     3.5    +      -       -      +
     39M  CYS*     3.2    26.3    +      -       -      -
    121M  TYR*     3.5    16.4    -      -       -      -
    241M  ARG*     3.7    29.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with HIS 36 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     33M  ASP      2.8    12.8    +      -       -      +
     35M  GLY*     1.3    73.2    -      -       -      +
     37M  ARG*     1.3    67.9    +      -       -      +
     39M  CYS*     3.1    11.5    +      -       -      +
     40M  ASN*     3.3    21.7    +      -       -      -
    117M  GLN*     3.4    50.5    +      -       +      +
    121M  TYR*     3.4    36.4    +      +       +      +
    129M  PHE*     3.6    34.8    -      +       +      -
----------------------------------------------------------
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Residues in contact with ARG 37 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     33M  ASP      3.3     5.6    +      -       -      +
     34M  ASP*     3.1    19.1    +      -       -      +
     36M  HIS*     1.3    78.6    +      -       -      +
     38M  LEU*     1.3    64.6    +      -       +      +
     40M  ASN*     2.7    34.8    +      -       +      +
     41M  ASP*     2.8    45.7    +      -       -      -
     70N  LEU      5.4     2.0    +      -       -      -
     73N  LYS      4.9     4.4    +      -       -      -
     74N  GLY*     4.3     9.7    -      -       -      -
     75N  PRO*     3.5    30.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 38 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34M  ASP*     2.8    23.6    +      -       +      +
     35M  GLY      3.7     4.9    -      -       -      +
     36M  HIS      3.2     0.2    -      -       -      -
     37M  ARG*     1.3    73.6    -      -       +      +
     39M  CYS*     1.3    64.5    +      -       -      +
     41M  ASP*     3.3    15.1    +      -       -      +
     42M  LEU*     3.0    23.6    +      -       -      +
    241M  ARG*     3.3    32.5    -      -       -      +
     74N  GLY*     5.8     0.4    -      -       -      -
     75N  PRO*     4.0    18.8    -      -       +      -
     76N  GLN*     3.6    48.2    -      -       +      +
     77N  TYR*     5.9     1.3    -      -       +      -
     84N  TRP*     4.0    19.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with CYS 39 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     35M  GLY      3.2    17.4    +      -       -      -
     36M  HIS*     3.1     9.6    +      -       -      +
     38M  LEU*     1.3    75.5    -      -       -      +
     40M  ASN*     1.3    64.3    +      -       -      +
     42M  LEU*     3.2     7.1    +      -       -      +
     43M  MSE      3.0    26.5    +      -       -      +
    113M  VAL*     4.1    17.7    -      -       +      +
    116M  TRP*     4.0    32.3    -      -       -      -
    117M  GLN*     3.5    25.6    -      -       +      +
    121M  TYR*     5.3     0.4    -      -       -      -
    241M  ARG*     5.2     5.2    -      -       -      -
    244M  PHE*     5.6     2.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 40 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36M  HIS*     3.3    22.9    +      -       -      -
     37M  ARG*     2.7    23.2    +      -       +      +
     39M  CYS*     1.3    74.9    -      -       -      +
     41M  ASP*     1.3    62.0    +      -       -      +
     43M  MSE      3.1    15.9    +      -       -      +
     44M  ASN*     2.9    31.4    +      -       -      +
    117M  GLN*     2.8    23.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 41 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37M  ARG*     2.8    52.1    +      -       -      +
     38M  LEU*     3.6    18.0    -      -       -      +
     40M  ASN*     1.3    72.6    -      -       -      +
     42M  LEU*     1.3    57.9    +      -       -      +
     44M  ASN*     3.2     6.8    +      -       -      +
     45M  CYS*     2.9    24.9    +      -       -      +
     67N  TRP*     3.2    23.8    -      -       +      -
     70N  LEU*     5.3     5.0    -      -       -      +
     75N  PRO*     5.1     0.7    -      -       -      +
     84N  TRP*     3.8    17.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 42 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38M  LEU      3.0    16.3    +      -       -      +
     39M  CYS*     3.8     5.2    -      -       -      +
     41M  ASP*     1.3    77.5    -      -       -      +
     43M  MSE      1.3    57.4    +      -       -      +
     45M  CYS*     3.5     3.7    -      -       +      +
     46M  VAL*     3.0    33.3    +      -       +      +
    113M  VAL*     4.4    25.1    -      -       +      -
    244M  PHE*     6.5     0.2    -      -       +      -
    245M  LEU*     3.9    24.9    -      -       +      -
    248M  VAL*     4.4    14.8    -      -       +      -
    249M  LEU*     4.1    16.8    -      -       +      -
    252M  ILE*     4.3    11.9    -      -       +      -
     84N  TRP*     3.5    39.0    -      -       +      +
     87N  ILE*     6.3     0.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with MSE 43 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39M  CYS      3.0    11.3    +      -       -      +
     40M  ASN*     3.1    22.0    +      -       -      +
     42M  LEU*     1.3    76.4    -      -       -      +
     44M  ASN*     1.3    69.1    +      -       -      +
     46M  VAL*     3.4     2.0    +      -       -      +
     47M  GLN*     3.1    23.2    +      -       -      +
    110M  LEU*     3.1    44.1    -      -       +      +
    113M  VAL*     3.5    21.8    -      -       +      -
    114M  LYS*     2.4    64.6    -      -       +      +
    117M  GLN*     4.7     6.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 44 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     40M  ASN*     2.9    22.5    +      -       -      +
     41M  ASP*     3.7    10.3    -      -       -      +
     43M  MSE      1.3    76.0    -      -       -      +
     45M  CYS*     1.3    67.6    -      -       -      +
     47M  GLN*     3.0    17.2    +      -       -      +
     48M  GLU*     3.0    33.0    +      -       +      +
     67N  TRP*     3.9    13.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with CYS 45 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41M  ASP      2.9    17.7    +      -       -      +
     42M  LEU*     3.5    12.6    -      -       -      +
     44M  ASN*     1.3    76.5    -      -       -      +
     46M  VAL*     1.3    63.1    +      -       -      +
     48M  GLU      3.5     0.5    +      -       -      -
     49M  ARG      3.4    15.1    +      -       -      -
     63N  TRP*     3.6    31.5    +      -       -      -
     67N  TRP*     3.3    38.7    -      -       +      +
     84N  TRP*     3.8    21.3    -      -       +      +
     88N  MSE      4.1     7.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 46 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42M  LEU*     3.0    25.6    +      -       +      +
     43M  MSE      3.7     5.8    -      -       -      +
     45M  CYS*     1.3    77.3    -      -       +      +
     47M  GLN*     1.3    64.5    +      -       -      +
     49M  ARG*     3.3     6.7    +      -       -      +
     50M  ALA*     3.1    20.3    +      -       -      +
    105M  LEU*     3.8    38.0    -      -       +      +
    106M  LEU*     5.1     0.4    -      -       +      -
    109M  ASP*     4.9     3.1    -      -       +      -
    110M  LEU*     4.1    18.8    -      -       +      +
    113M  VAL*     6.4     1.3    -      -       +      -
    252M  ILE*     3.6    33.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 47 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43M  MSE      3.1    11.6    +      -       -      +
     44M  ASN*     3.0    22.2    +      -       -      +
     46M  VAL*     1.3    77.0    -      -       -      +
     48M  GLU*     1.3    64.5    +      -       +      +
     50M  ALA*     3.2     4.9    +      -       -      +
     51M  LYS*     3.1    20.3    +      -       -      +
    106M  LEU*     4.1    19.3    -      -       +      -
    110M  LEU*     3.8    20.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 48 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44M  ASN*     3.0    20.6    +      -       -      +
     45M  CYS      3.7     0.7    -      -       -      +
     47M  GLN*     1.3    77.3    -      -       +      +
     49M  ARG*     1.3    65.2    +      -       -      +
     51M  LYS*     3.0    12.0    +      -       -      +
     52M  ILE*     3.0    26.3    +      -       +      +
     63N  TRP*     3.7    18.7    -      -       +      +
     66N  ARG*     2.4    37.5    +      -       -      -
     67N  TRP*     3.4    22.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 49 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45M  CYS      3.4     2.9    +      -       -      +
     46M  VAL*     3.3     9.1    +      -       -      +
     48M  GLU*     1.3    78.6    -      -       -      +
     50M  ALA*     1.3    64.4    +      -       -      +
     52M  ILE*     2.9    11.8    +      -       -      +
     53M  GLU*     2.2    60.2    +      -       -      +
    105M  LEU*     4.3     7.9    -      -       +      -
    256M  LEU*     3.8    27.0    -      -       +      +
     56N  TYR*     4.0     2.6    +      -       -      -
     60N  LEU*     3.7    23.5    -      -       -      +
     63N  TRP*     3.3    52.5    -      -       +      +
     90N  GLU*     2.3    41.6    +      -       -      -
     91N  ALA*     4.5     1.6    -      -       -      +
     94N  VAL*     5.3     3.8    -      -       -      +
    268N  TYR*     4.5     2.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 50 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     46M  VAL      3.1    13.1    +      -       -      +
     47M  GLN      3.3    10.5    -      -       -      +
     48M  GLU      3.1     0.6    -      -       -      -
     49M  ARG*     1.3    79.7    -      -       -      +
     51M  LYS*     1.3    60.6    +      -       -      +
     53M  GLU*     3.2     5.5    +      -       -      +
     54M  LYS*     2.9    24.1    +      -       -      +
    102M  LYS*     3.8    14.9    -      -       +      +
    105M  LEU*     4.0    15.6    -      -       +      +
    106M  LEU*     3.9    29.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 51 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     47M  GLN      3.1    11.5    +      -       -      +
     48M  GLU*     3.0    13.8    +      -       -      +
     50M  ALA*     1.3    76.0    -      -       -      +
     52M  ILE*     1.3    61.4    +      -       +      +
     54M  LYS*     3.2    12.0    +      -       +      +
     55M  ALA*     2.9    28.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 52 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48M  GLU*     3.0    20.3    +      -       +      +
     49M  ARG*     2.9    11.6    +      -       -      +
     51M  LYS*     1.3    77.2    -      -       +      +
     53M  GLU*     1.3    65.0    +      -       -      +
     55M  ALA*     3.4     2.6    +      -       -      +
     56M  TYR*     3.3    20.8    +      -       -      +
     56N  TYR*     4.0    23.4    -      -       +      -
     59N  GLN*     4.0    37.2    -      -       +      +
     60N  LEU*     4.1    13.9    -      -       +      -
     63N  TRP*     3.8    37.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 53 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49M  ARG*     2.2    63.5    +      -       +      +
     50M  ALA*     3.8     5.2    -      -       -      +
     52M  ILE*     1.3    74.0    -      -       -      +
     54M  LYS*     1.3    63.4    +      -       -      +
     56M  TYR*     3.5     1.4    +      -       -      +
     57M  GLY*     3.3    17.0    +      -       -      -
     98M  HIS*     2.8    56.4    +      -       -      +
     99M  GLN*     4.9     0.2    -      -       -      +
    101M  VAL*     4.3    21.0    -      -       +      +
    102M  LYS*     4.2     5.8    -      -       +      -
    105M  LEU*     4.9     1.3    -      -       +      -
    256M  LEU*     5.3     0.9    -      -       -      -
     56N  TYR*     3.0    22.0    +      -       -      -
     60N  LEU*     4.5     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 54 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     50M  ALA      2.9    14.1    +      -       -      +
     51M  LYS*     3.4    14.8    -      -       +      +
     53M  GLU*     1.3    78.9    -      -       -      +
     55M  ALA*     1.3    62.1    +      -       -      +
     57M  GLY      3.4     0.5    +      -       -      -
     58M  GLN*     3.0    30.2    +      -       +      +
     99M  GLN*     3.7    16.1    -      -       -      +
    102M  LYS*     3.7    34.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 55 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51M  LYS*     2.9    17.9    +      -       +      +
     52M  ILE      3.7     5.4    -      -       -      +
     53M  GLU      3.2     0.2    -      -       -      -
     54M  LYS*     1.3    76.0    -      -       -      +
     56M  TYR*     1.3    66.6    +      -       -      +
     58M  GLN*     3.3     5.5    +      -       -      +
     59M  GLN*     3.1    27.9    +      -       -      +
     59N  GLN*     3.8    20.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 56 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     52M  ILE      3.3     7.5    +      -       -      +
     53M  GLU      3.5     2.4    +      -       -      +
     55M  ALA*     1.3    78.1    -      -       -      +
     57M  GLY*     1.3    63.3    +      -       -      +
     59M  GLN*     3.1    10.7    +      -       -      +
     60M  LEU*     3.0    43.0    +      -       +      +
     94M  VAL*     4.2     6.2    -      -       +      +
     98M  HIS*     3.5    44.0    -      +       -      -
     49N  ARG*     4.1     3.3    +      -       -      -
     52N  ILE*     4.0    25.6    -      -       +      -
     53N  GLU*     2.8    32.9    +      -       -      -
     56N  TYR*     3.5    55.2    -      +       +      -
     98N  HIS*     3.6     5.7    -      +       -      -
----------------------------------------------------------
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Residues in contact with GLY 57 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53M  GLU      3.3     9.5    +      -       -      -
     54M  LYS      3.8     3.4    -      -       -      -
     55M  ALA      3.2     0.4    -      -       -      -
     56M  TYR*     1.3    80.8    -      -       -      +
     58M  GLN*     1.3    59.8    +      -       -      +
     60M  LEU*     3.3     3.3    +      -       -      -
     61M  THR*     3.0    14.6    +      -       -      -
     95M  SER*     2.7    42.4    +      -       -      -
     98M  HIS*     4.6     3.1    -      -       -      -
     99M  GLN*     3.8    10.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 58 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54M  LYS*     3.0    24.9    +      -       +      +
     55M  ALA*     3.8     7.0    -      -       -      +
     57M  GLY*     1.3    74.0    -      -       -      +
     59M  GLN*     1.3    65.3    +      -       +      +
     61M  THR*     3.1    17.6    +      -       -      +
     62M  ASP*     3.0    54.5    +      -       -      +
     99M  GLN*     3.9     7.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 59 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     55M  ALA*     3.1    15.2    +      -       -      +
     56M  TYR*     3.1    12.9    +      -       -      +
     58M  GLN*     1.3    76.1    -      -       +      +
     60M  LEU*     1.3    62.7    +      -       -      +
     62M  ASP*     3.1    12.9    +      -       +      +
     63M  TRP*     3.0    22.9    +      -       -      +
     52N  ILE*     3.8    37.7    +      -       +      +
     55N  ALA*     3.8    27.1    -      -       -      +
     56N  TYR      5.3     0.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 60 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56M  TYR*     3.0    39.5    +      -       +      +
     57M  GLY*     3.7     5.8    -      -       -      +
     59M  GLN*     1.3    75.5    -      -       -      +
     61M  THR*     1.3    56.6    +      -       -      +
     63M  TRP*     3.3     5.7    +      -       +      +
     64M  ALA*     3.0    29.5    +      -       -      +
     91M  ALA*     3.4    23.7    -      -       +      +
     94M  VAL*     3.3    33.4    -      -       +      -
     95M  SER*     3.9    13.2    -      -       -      +
     49N  ARG*     3.5    40.6    -      -       -      +
     52N  ILE*     4.0    15.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 61 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57M  GLY      3.0     4.9    +      -       -      -
     58M  GLN*     3.1    22.7    +      -       -      +
     60M  LEU*     1.3    77.3    -      -       -      +
     62M  ASP*     1.3    64.9    +      -       -      +
     64M  ALA*     3.5     2.4    +      -       -      +
     65M  LYS*     3.2    24.0    +      -       +      +
     92M  ASP*     4.2    17.2    +      -       -      +
     95M  SER*     2.7    30.2    +      -       -      -
     99M  GLN*     5.5     0.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 62 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     58M  GLN*     3.0    42.6    +      -       -      +
     59M  GLN*     3.1    12.4    +      -       +      +
     61M  THR*     1.3    76.3    -      -       -      +
     63M  TRP*     1.3    56.7    +      -       -      +
     65M  LYS*     3.3     7.7    +      -       -      +
     66M  ARG*     3.0    30.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 63 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     59M  GLN      3.0    12.2    +      -       -      +
     60M  LEU*     3.6     7.2    -      -       +      +
     62M  ASP*     1.3    73.6    -      -       -      +
     64M  ALA*     1.3    74.8    +      -       -      +
     65M  LYS      3.2     0.3    +      -       -      -
     66M  ARG*     3.2     7.6    +      -       -      +
     67M  TRP*     3.0    53.5    +      +       -      +
     87M  ILE*     3.7    33.2    -      -       +      -
     88M  MSE      4.5     8.3    -      -       +      -
     91M  ALA*     3.7    27.6    -      -       +      -
     45N  CYS*     3.6    37.1    +      -       -      -
     48N  GLU*     3.8    11.6    -      -       +      +
     49N  ARG*     3.5    47.0    -      -       +      +
     52N  ILE*     3.8    24.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 64 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60M  LEU      3.0    17.2    +      -       -      +
     61M  THR      3.6     2.5    -      -       -      +
     63M  TRP*     1.3    81.3    -      -       -      +
     65M  LYS*     1.3    61.4    +      -       -      +
     68M  ARG*     3.1    30.4    +      -       -      +
     88M  MSE      3.5    36.8    -      -       +      +
     91M  ALA*     4.4     4.0    -      -       +      -
     92M  ASP*     3.6    22.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 65 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61M  THR*     3.2    15.6    +      -       +      +
     62M  ASP*     3.8     7.0    -      -       -      +
     63M  TRP      3.1     0.8    -      -       -      -
     64M  ALA*     1.3    80.9    -      -       -      +
     66M  ARG*     1.3    64.3    +      -       -      +
     68M  ARG*     3.5     7.8    +      -       -      +
     69M  GLN*     3.4    45.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 66 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     62M  ASP      3.0    17.8    +      -       -      +
     63M  TRP*     3.7     4.9    -      -       -      +
     65M  LYS*     1.3    78.0    -      -       -      +
     67M  TRP*     1.3    72.2    +      -       +      +
     69M  GLN*     3.3    15.2    +      -       -      +
     70M  LEU*     3.0    56.4    +      -       +      +
     48N  GLU*     2.9    42.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with TRP 67 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63M  TRP*     3.0    44.0    +      +       -      +
     66M  ARG*     1.3    78.4    -      -       +      +
     68M  ARG*     1.3    60.1    +      -       -      +
     70M  LEU*     3.6    36.3    -      -       +      +
     71M  ILE*     2.9    36.9    +      -       +      +
     84M  TRP*     4.3    14.1    -      +       -      -
     88M  MSE      3.5    25.6    -      -       -      -
     41N  ASP*     3.6    28.3    -      -       +      -
     44N  ASN*     3.8     9.9    -      -       +      -
     45N  CYS*     3.4    43.7    -      -       +      -
     48N  GLU*     3.0    37.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 68 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64M  ALA      3.1    22.3    +      -       -      +
     65M  LYS*     3.7     7.2    -      -       -      +
     66M  ARG      3.4     0.2    -      -       -      -
     67M  TRP*     1.3    74.9    -      -       -      +
     69M  GLN*     1.3    58.8    +      -       +      +
     71M  ILE*     4.1     5.0    -      -       -      +
     72M  GLU*     3.1    29.1    +      -       -      +
     85M  GLY*     3.7    21.5    +      -       -      -
     88M  MSE      3.7    14.2    -      -       +      +
     89M  THR*     2.9    39.0    +      -       -      +
     92M  ASP*     3.5    20.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 69 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65M  LYS*     3.4    41.8    +      -       +      +
     66M  ARG*     3.3    13.8    +      -       -      +
     67M  TRP      3.2     0.2    -      -       -      -
     68M  ARG*     1.3    77.8    -      -       +      +
     70M  LEU*     1.3    62.1    +      -       +      +
     72M  GLU*     3.3     6.5    +      -       -      +
     73M  LYS*     2.8    44.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 70 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     66M  ARG*     3.0    53.1    +      -       +      +
     67M  TRP*     3.3    45.7    +      -       +      +
     69M  GLN*     1.3    78.8    -      -       +      +
     71M  ILE*     1.3    58.6    +      -       -      +
     73M  LYS*     3.6    11.4    +      -       +      +
     74M  GLY*     3.1    25.3    +      -       -      -
     37N  ARG*     5.7     1.0    +      -       -      -
     41N  ASP*     5.2     6.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 71 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67M  TRP*     2.9    25.8    +      -       +      +
     68M  ARG*     4.2     4.3    -      -       -      +
     70M  LEU*     1.3    76.7    -      -       -      +
     72M  GLU*     1.3    62.3    +      -       -      +
     74M  GLY*     3.6     9.7    +      -       -      +
     76M  GLN*     4.2    13.3    -      -       +      +
     81M  GLU*     3.6    37.1    -      -       +      +
     84M  TRP*     3.5    65.3    -      -       +      +
     85M  GLY*     4.3     9.2    -      -       -      +
     88M  MSE      4.0    17.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 72 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     68M  ARG      3.1    21.1    +      -       -      +
     69M  GLN*     3.6     7.4    -      -       -      +
     70M  LEU      3.2     0.4    -      -       -      -
     71M  ILE*     1.3    76.4    -      -       -      +
     73M  LYS*     1.3    68.8    +      -       +      +
     74M  GLY      3.1     6.8    +      -       -      +
     81M  GLU*     4.3    12.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 73 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69M  GLN*     2.8    32.2    +      -       +      +
     70M  LEU*     3.6    12.1    +      -       +      +
     72M  GLU*     1.3    77.0    -      -       +      +
     74M  GLY*     1.3    60.0    +      -       -      +
     37N  ARG*     4.9     3.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 74 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     70M  LEU      3.1    15.5    +      -       -      -
     71M  ILE*     3.6     6.0    +      -       -      +
     72M  GLU      3.1     8.1    -      -       -      +
     73M  LYS*     1.3    81.8    -      -       -      +
     75M  PRO*     1.3    72.6    -      -       -      +
     76M  GLN      3.5     7.6    +      -       -      +
     37N  ARG*     4.3     9.0    -      -       -      -
     38N  LEU*     5.4     1.1    -      -       -      -
     41N  ASP*     5.7     0.9    -      -       -      -
----------------------------------------------------------
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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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