Contacts of the helix formed by residues 56 - 71 (chain A) in PDB entry 2OR0


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 HIS 56 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54A  GLU      3.8     0.4    +      -       -      -
     55A  VAL*     1.3    76.4    -      -       -      +
     57A  PRO*     1.3    75.9    -      -       +      +
     58A  ARG*     3.0    30.8    +      -       +      +
     59A  GLU*     2.9    22.6    +      -       +      +
     60A  PHE      3.3     7.4    +      -       -      -
    295A  ALA      4.6     0.2    -      -       -      -
    296A  ASP*     3.4    37.1    +      -       -      -
    299A  TYR*     3.4    50.6    -      +       +      +
    300A  ASP*     5.5     0.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with PRO 57 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45A  LEU*     5.1     0.2    -      -       +      -
     55A  VAL      3.6     4.2    -      -       -      +
     56A  HIS*     1.3    93.9    -      -       +      +
     58A  ARG*     1.3    55.7    -      -       -      +
     60A  PHE*     3.3    10.6    +      -       +      +
     61A  ALA*     2.9    30.7    +      -       -      +
    224A  LEU*     4.1    11.0    -      -       +      -
    227A  MSE      3.9    22.0    -      -       +      -
    232A  MSE      4.0    15.3    -      -       +      -
    235A  LEU*     3.8    13.7    -      -       +      +
    295A  ALA*     3.7    24.9    -      -       +      +
    299A  TYR*     3.6    19.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 58 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56A  HIS*     3.0    19.7    +      -       +      +
     57A  PRO*     1.3    76.3    -      -       -      +
     59A  GLU*     1.3    58.7    +      -       -      +
     61A  ALA*     3.3     3.4    +      -       -      +
     62A  GLU*     2.8    70.9    +      -       -      +
    289A  VAL*     5.4     2.6    +      -       -      +
    292A  ILE*     3.2    39.1    -      -       +      +
    293A  GLU*     4.8     1.8    -      -       -      +
    295A  ALA*     5.0     1.7    -      -       -      +
    296A  ASP*     2.9    37.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 59 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2A  GLY*     3.3    34.3    -      -       -      +
      3A  ARG      4.1     1.9    +      -       -      -
      4A  VAL*     4.7     4.3    +      -       -      +
      5A  LEU*     5.4     1.7    +      -       +      +
     44A  LEU*     4.6     6.1    -      -       +      +
     55A  VAL*     3.5    31.6    -      -       +      +
     56A  HIS*     2.9    17.1    +      -       +      +
     58A  ARG*     1.3    79.0    -      -       -      +
     60A  PHE*     1.3    62.6    +      -       -      +
     62A  GLU*     4.1     8.1    -      -       -      +
     63A  THR*     2.6    43.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 60 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41A  ALA      5.2     0.2    -      -       -      -
     44A  LEU*     3.8    24.0    -      -       +      -
     45A  LEU*     3.7    42.8    -      -       +      -
     55A  VAL*     3.7     7.9    -      -       +      +
     56A  HIS      3.3     3.2    +      -       -      -
     57A  PRO*     3.3     8.9    +      -       +      +
     59A  GLU*     1.3    77.4    -      -       -      +
     61A  ALA*     1.3    65.7    +      -       -      +
     63A  THR*     3.2     3.6    +      -       -      -
     64A  VAL*     3.0    45.6    +      -       +      +
     78A  THR*     4.1     8.5    -      -       +      -
     79A  GLY*     4.1     6.3    -      -       -      -
     82A  GLY*     4.1    10.3    -      -       -      -
     83A  VAL*     3.7    26.0    -      -       +      -
    232A  MSE      4.8     2.0    -      -       +      -
    235A  LEU*     4.0    17.3    -      -       +      -
    236A  GLY*     3.6    29.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 61 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57A  PRO      2.9    17.2    +      -       -      +
     58A  ARG*     3.3     5.1    +      -       -      +
     60A  PHE*     1.3    80.9    -      -       -      +
     62A  GLU*     1.3    57.5    +      -       -      +
     64A  VAL*     3.4     3.0    +      -       -      +
     65A  MSE      3.0    34.5    +      -       +      +
    235A  LEU*     4.1    24.2    -      -       +      -
    239A  ALA*     3.7    14.2    -      -       +      +
    292A  ILE*     4.1    20.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 62 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  LEU*     4.0    16.0    -      -       +      +
     58A  ARG*     2.8    60.3    +      -       -      +
     59A  GLU*     4.1     6.8    -      -       -      +
     61A  ALA*     1.3    75.7    -      -       -      +
     63A  THR*     1.3    58.1    +      -       -      +
     65A  MSE      3.5     8.4    +      -       -      +
     66A  GLY*     2.9    24.3    +      -       -      -
    288A  ARG*     4.0    18.1    +      -       -      +
    292A  ILE*     3.7    16.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR 63 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4A  VAL*     3.8    28.3    -      -       +      -
      5A  LEU*     4.2    32.4    +      -       +      +
      8A  ILE*     4.8     1.1    -      -       +      -
     41A  ALA*     5.1     1.8    -      -       +      -
     44A  LEU*     3.8    18.5    -      -       +      +
     59A  GLU*     2.6    33.3    +      -       -      +
     60A  PHE      3.7     2.9    -      -       -      -
     62A  GLU*     1.3    75.5    -      -       -      +
     64A  VAL*     1.3    60.1    +      -       -      +
     66A  GLY*     3.1     1.9    +      -       -      -
     67A  VAL*     2.9    43.8    +      -       +      +
     78A  THR*     5.6     0.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 64 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60A  PHE*     3.0    47.2    +      -       +      +
     61A  ALA      3.6     6.5    -      -       -      +
     63A  THR*     1.3    76.5    -      -       -      +
     65A  MSE      1.3    52.4    +      -       -      +
     67A  VAL*     3.1     8.3    +      -       -      +
     68A  ALA*     2.7    36.2    +      -       -      +
     75A  GLY*     3.6    18.1    -      -       -      +
     78A  THR*     4.1     9.2    -      -       +      -
     79A  GLY*     3.9    11.4    -      -       -      +
    236A  GLY*     3.5    11.4    -      -       -      +
    239A  ALA*     3.9     4.0    -      -       +      -
    240A  ALA*     3.5    28.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with MSE 65 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61A  ALA*     3.0    18.9    +      -       +      +
     62A  GLU*     3.7     6.5    -      -       -      +
     64A  VAL*     1.3    74.9    -      -       -      +
     66A  GLY*     1.3    60.8    +      -       -      +
     68A  ALA*     4.3     0.2    -      -       -      -
     69A  ALA*     3.1    22.9    +      -       -      +
    239A  ALA*     3.3    25.6    -      -       +      +
    242A  ILE*     4.2     8.7    -      -       +      -
    243A  GLY*     3.5    22.8    -      -       -      +
    246A  GLU*     4.6     0.7    -      -       -      +
    288A  ARG*     3.5    62.6    -      -       -      +
    291A  LEU*     3.9    23.6    -      -       +      -
    292A  ILE*     3.8    29.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 66 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  LEU*     4.2    16.6    -      -       -      -
      8A  ILE*     4.9     2.0    -      -       -      +
     62A  GLU      2.9    15.8    +      -       -      -
     63A  THR      3.1     4.2    +      -       -      -
     65A  MSE      1.3    77.7    -      -       -      +
     67A  VAL*     1.3    60.7    +      -       -      +
     69A  ALA*     3.5    10.8    +      -       -      +
     70A  LEU*     3.6    17.5    +      -       -      +
    288A  ARG*     5.1     2.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 67 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  ILE*     4.0    36.3    -      -       +      +
     15A  ILE*     5.3     6.3    -      -       +      -
     36A  LEU*     3.8    13.5    -      -       +      -
     41A  ALA*     5.2     1.6    -      -       +      -
     63A  THR*     2.9    25.6    +      -       +      +
     64A  VAL*     3.7     6.3    -      -       -      +
     66A  GLY*     1.3    74.6    -      -       -      +
     68A  ALA*     1.3    59.0    +      -       -      +
     70A  LEU*     2.9    22.6    +      -       -      +
     71A  ASP*     3.1    11.4    +      -       -      +
     74A  SER*     3.7    17.5    -      -       -      +
     75A  GLY*     3.6    22.9    -      -       -      +
     78A  THR*     4.0    12.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 68 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64A  VAL      2.7    20.4    +      -       -      +
     65A  MSE      3.8     3.4    -      -       -      +
     67A  VAL*     1.3    73.1    -      -       -      +
     69A  ALA*     1.3    60.5    +      -       -      +
     70A  LEU      3.4     0.3    +      -       -      -
     71A  ASP      3.8     2.5    -      -       -      -
     72A  GLY*     3.5    11.9    +      -       -      -
     75A  GLY*     3.5    19.0    -      -       -      -
    240A  ALA*     3.4    31.9    -      -       -      +
    243A  GLY*     3.8     4.0    -      -       -      -
    244A  ILE*     3.7    13.2    -      -       +      +
    352A  PHE*     3.4    16.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 69 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  MSE      3.1    15.2    +      -       -      +
     66A  GLY*     3.9     7.4    -      -       -      +
     67A  VAL      3.2     0.2    -      -       -      -
     68A  ALA*     1.3    76.7    -      -       -      +
     70A  LEU*     1.3    63.5    +      -       +      +
    243A  GLY      3.3    17.7    +      -       -      +
    246A  GLU*     4.5     7.4    -      -       +      +
    247A  GLY*     3.7    18.4    -      -       -      +
    250A  ALA*     6.4     0.4    -      -       +      -
    352A  PHE*     3.4    15.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 70 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  ILE*     3.7    30.5    -      -       +      -
      9A  GLU*     5.6     0.7    -      -       -      -
     12A  ALA*     3.8    27.1    -      -       +      +
     15A  ILE*     3.9    20.4    -      -       +      -
     16A  ARG*     3.5    54.7    -      -       +      +
     19A  ALA*     5.1     1.9    -      -       -      +
     66A  GLY      3.6    10.8    -      -       -      +
     67A  VAL*     2.9     9.1    +      -       -      +
     69A  ALA*     1.3    81.9    -      -       +      +
     71A  ASP*     1.3    60.6    +      -       -      +
    352A  PHE*     3.6    11.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 71 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     15A  ILE*     3.9    16.1    -      -       +      +
     19A  ALA*     3.3    36.7    -      -       +      +
     22A  SER*     5.2     2.6    +      -       -      -
     28A  LEU*     4.2     4.3    -      -       -      +
     32A  ALA*     5.5     1.6    -      -       -      +
     67A  VAL      3.1     8.4    +      -       -      +
     68A  ALA      3.5     2.2    +      -       -      +
     70A  LEU*     1.3    79.6    -      -       -      +
     72A  GLY*     1.3    67.9    +      -       -      +
     73A  ALA*     3.8    12.7    +      -       -      +
     74A  SER*     2.6    35.1    +      -       -      +
     75A  GLY      3.0    18.0    +      -       -      -
    351A  ARG*     4.7     8.3    -      -       -      -
    352A  PHE*     4.3     4.0    -      -       -      -
----------------------------------------------------------
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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