Contacts of the helix formed by residues 5 - 20 (chain F) in PDB entry 3HR4


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

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

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with THR 5 (chain F).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3F  GLN      4.2     6.3    -      -       -      +
      4F  LEU*     1.3    92.7    -      -       -      +
      6F  GLU*     1.3    61.0    +      -       -      +
      7F  GLU*     3.3    10.2    +      -       -      +
      8F  GLN*     2.8    50.8    +      -       +      +
      9F  ILE*     3.1     9.2    +      -       -      +
    147F  ALA      4.9     7.0    +      -       -      +
     13H  LYS*     4.3     1.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 6 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5F  THR*     1.3    75.4    -      -       -      +
      7F  GLU*     1.3    59.3    +      -       -      +
      9F  ILE*     3.3     6.7    -      -       +      +
     10F  ALA*     3.2    23.4    +      -       -      +
     10H  ALA*     4.1    19.3    -      -       +      +
     13H  LYS*     3.7    34.1    -      -       +      +
     14H  GLU*     3.0    41.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 7 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    516E  LYS*     4.3     5.7    -      -       -      +
      5F  THR*     3.3     8.7    +      -       -      +
      6F  GLU*     1.3    77.2    -      -       -      +
      8F  GLN*     1.3    65.4    +      -       -      +
      9F  ILE      3.0     1.6    -      -       -      -
     10F  ALA*     3.1    11.2    +      -       -      +
     11F  GLU*     2.7    62.3    +      -       -      +
    147F  ALA      5.3     5.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 8 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    520E  LYS*     3.9    18.1    +      -       -      +
      3F  GLN      3.4    11.4    +      -       -      +
      4F  LEU*     3.7    15.9    -      -       +      -
      5F  THR*     2.8    47.2    +      -       -      +
      7F  GLU*     1.3    72.5    -      -       -      +
      9F  ILE*     1.3    57.4    +      -       -      +
     11F  GLU*     3.2    11.4    +      -       -      +
     12F  PHE*     2.8    43.8    +      -       +      -
     76F  MET*     5.5     6.1    -      -       -      +
    145F  MET      5.0     1.0    +      -       -      -
    146F  THR*     4.4    13.1    +      -       -      +
    147F  ALA      4.1    27.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 9 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4F  LEU*     3.2    19.7    -      -       +      -
      5F  THR      3.1    19.1    -      -       -      +
      6F  GLU*     3.3    11.2    -      -       +      +
      7F  GLU      3.0     0.4    -      -       -      -
      8F  GLN*     1.3    73.5    -      -       -      +
     10F  ALA*     1.3    68.4    +      -       -      +
     12F  PHE*     2.7    21.4    +      -       -      +
     13F  LYS*     2.7    11.5    +      -       +      +
     65F  PHE*     4.2    10.7    -      -       +      -
     69F  LEU*     4.8     3.8    -      -       +      -
      9H  ILE*     3.7    31.2    -      -       +      +
     10H  ALA*     6.4     0.2    -      -       -      -
     13H  LYS*     3.5    24.0    -      -       +      -
     65H  PHE*     3.4    33.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 10 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6F  GLU      3.2    10.0    +      -       -      +
      7F  GLU*     3.1    18.5    +      -       -      +
      9F  ILE*     1.3    79.1    -      -       -      +
     11F  GLU*     1.3    63.1    +      -       -      +
     13F  LYS*     3.0     8.8    +      -       -      +
     14F  GLU*     2.9    30.2    +      -       -      +
      6H  GLU*     3.3    26.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 11 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    516E  LYS*     3.3    33.3    -      -       +      +
    517E  VAL*     3.8    22.2    -      -       +      +
    520E  LYS*     2.8    43.2    +      -       +      +
      7F  GLU*     2.7    59.3    +      -       -      +
      8F  GLN*     3.4     8.4    -      -       -      +
      9F  ILE      3.1     0.2    +      -       -      -
     10F  ALA*     1.3    75.7    -      -       -      +
     12F  PHE*     1.3    57.7    +      -       -      +
     14F  GLU*     3.5     5.4    +      -       -      +
     15F  ALA*     3.0    25.5    +      -       -      +
    144F  MET      4.8     0.9    -      -       -      +
    147F  ALA*     4.6    11.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 12 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    520E  LYS*     3.8    30.1    -      -       +      -
      4F  LEU*     4.8     9.2    -      -       +      -
      8F  GLN*     2.8    39.7    +      -       +      -
      9F  ILE*     2.7    15.3    +      -       -      +
     11F  GLU*     1.3    68.8    -      -       -      +
     13F  LYS*     1.3    59.5    +      -       -      +
     15F  ALA*     3.2     5.0    -      -       +      +
     16F  PHE*     2.9    24.3    +      -       -      +
     65F  PHE*     3.8     2.9    -      -       +      -
     68F  PHE*     3.3    25.4    -      +       +      -
     69F  LEU*     3.8    31.6    -      -       +      -
     72F  MET*     3.9    31.4    -      -       +      -
     73F  ALA*     5.6     4.3    -      -       -      -
     76F  MET*     3.6    28.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 13 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9F  ILE*     2.7    11.8    +      -       +      +
     10F  ALA*     3.0    10.3    +      -       -      +
     12F  PHE*     1.3    75.8    -      -       -      +
     14F  GLU*     1.3    64.5    +      -       -      +
     16F  PHE*     2.9    23.4    +      -       +      +
     17F  SER*     2.9    32.1    +      -       -      -
     20F  ASP*     5.9     0.4    +      -       -      -
     65F  PHE*     3.4    24.2    -      -       +      -
      3H  GLN*     3.6    16.4    +      -       -      -
      4H  LEU*     3.6    27.1    -      -       -      -
      5H  THR*     4.4     0.8    -      -       -      +
      6H  GLU*     3.7    35.8    +      -       +      +
      9H  ILE*     3.5    22.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 14 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    512E  GLU      5.3     0.7    -      -       -      +
    513E  ILE*     6.0     2.2    -      -       +      +
    514E  PRO*     3.9    14.7    -      -       -      +
    517E  VAL*     3.5    29.6    -      -       +      +
     10F  ALA*     2.9    17.3    +      -       -      +
     11F  GLU*     3.7     5.9    -      -       -      +
     13F  LYS*     1.3    76.7    -      -       -      +
     15F  ALA*     1.3    63.8    +      -       -      +
     17F  SER*     2.8    24.6    +      -       -      +
     18F  LEU*     3.3     8.5    +      -       -      +
      6H  GLU*     3.3    27.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 15 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    517E  VAL*     3.6    13.9    -      -       -      +
    520E  LYS*     4.3     4.9    -      -       +      -
    521E  ALA*     4.1    25.5    -      -       -      +
     11F  GLU      3.0    15.4    +      -       -      +
     12F  PHE*     3.2    15.3    -      -       +      +
     14F  GLU*     1.3    76.7    -      -       -      +
     16F  PHE*     1.3    57.3    +      -       -      +
     18F  LEU*     2.8    29.1    +      -       -      +
     19F  PHE*     3.5     8.4    -      -       -      -
     68F  PHE*     4.0    13.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 16 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12F  PHE      2.9    13.2    +      -       -      +
     13F  LYS*     2.9    20.8    +      -       -      +
     15F  ALA*     1.3    70.9    -      -       -      +
     17F  SER*     1.3    58.8    +      -       -      +
     18F  LEU      2.6    15.4    +      -       -      -
     19F  PHE*     2.7    21.5    +      -       -      +
     20F  ASP*     3.1    17.6    +      -       +      +
     25F  GLY*     3.3    31.4    -      -       -      -
     27F  ILE*     3.6    22.8    -      -       +      +
     63F  ILE      3.5     9.4    -      -       -      -
     64F  ASP      3.4     9.9    -      -       -      -
     65F  PHE*     3.1    50.0    -      +       +      -
     68F  PHE*     3.3    38.3    -      +       +      -
      3H  GLN*     5.4     1.1    -      -       -      -
      4H  LEU*     6.0     0.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 17 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13F  LYS*     2.9    26.6    +      -       -      -
     14F  GLU*     2.8    22.1    +      -       -      +
     16F  PHE*     1.3    76.9    -      -       -      +
     18F  LEU*     1.3    60.9    +      -       -      +
     19F  PHE      3.3     0.2    -      -       -      -
     20F  ASP*     3.1    34.9    -      -       -      +
     21F  LYS*     3.7     4.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 18 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    513E  ILE*     4.7    17.5    -      -       +      -
    517E  VAL*     4.8     2.0    -      -       +      -
    518E  LEU*     4.2    27.1    -      -       +      -
    521E  ALA*     3.6    24.0    -      -       +      -
     14F  GLU      3.3     4.0    +      -       -      +
     15F  ALA*     2.8    19.2    +      -       -      +
     16F  PHE      2.6     5.7    +      -       -      -
     17F  SER*     1.3    77.7    +      -       -      +
     19F  PHE*     1.3    60.5    +      -       +      +
     21F  LYS*     2.9    44.3    +      -       -      +
     35F  VAL*     4.0     5.3    -      -       +      +
    112F  LEU*     4.5    16.2    -      -       +      -
    114F  GLU*     4.0    21.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 19 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    521E  ALA*     3.5    33.7    -      -       +      -
    524E  PHE*     3.2    31.2    -      +       -      -
    525E  ALA*     4.3     8.3    -      -       +      -
     15F  ALA      3.5    17.7    -      -       -      -
     16F  PHE*     2.7    11.5    +      -       -      -
     18F  LEU*     1.3    74.1    -      -       +      +
     20F  ASP*     1.3    58.2    +      -       -      +
     21F  LYS*     3.0    12.5    +      -       -      +
     27F  ILE*     3.5    34.1    -      -       +      -
     31F  GLU*     3.1    27.6    -      -       -      +
     32F  LEU*     3.8    24.2    -      -       +      -
     35F  VAL*     3.4    42.6    -      -       +      -
     36F  MET*     5.1     0.4    -      -       +      -
     68F  PHE*     4.2     4.3    -      +       -      -
----------------------------------------------------------
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Residues in contact with ASP 20 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13F  LYS*     5.9     0.3    +      -       -      -
     16F  PHE*     3.1    25.0    +      -       +      +
     17F  SER*     3.1    22.2    -      -       -      +
     19F  PHE*     1.3    74.1    -      -       -      +
     21F  LYS*     1.3    62.8    +      -       -      +
     22F  ASP*     3.1     3.7    -      -       -      +
     23F  GLY*     3.1    23.6    +      -       -      +
     24F  ASP*     3.0     9.0    -      -       -      +
     25F  GLY*     3.6    10.8    +      -       -      -
     26F  THR      2.6    16.3    +      -       -      +
     27F  ILE*     4.3     3.3    -      -       +      +
     31F  GLU*     3.8     7.0    -      -       -      -
    201F   CA      2.5    25.6    -      -       -      -
      3H  GLN*     4.8     3.1    -      -       -      +
----------------------------------------------------------
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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