Contacts of the helix formed by residues 67 - 82 (chain A) in PDB entry 5H1C


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

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

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with SER 67 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  GLY      4.3     0.4    -      -       -      -
     66A  ILE*     1.3    80.5    -      -       -      +
     68A  GLU*     1.3    65.3    +      -       -      +
     69A  ALA*     3.9     8.1    +      -       -      +
     70A  LYS*     3.0    51.7    +      -       -      +
     71A  ALA      3.4     0.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 68 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57A  LYS*     3.0    23.3    +      -       -      +
     61A  ILE*     3.5    44.8    -      -       +      +
     66A  ILE*     3.9     0.6    +      -       -      +
     67A  SER*     1.3    74.1    -      -       -      +
     69A  ALA*     1.3    58.3    +      -       -      +
     71A  ALA*     2.9    16.6    +      -       -      -
     72A  ASP*     2.9    14.4    +      -       -      -
----------------------------------------------------------
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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
----------------------------------------------------------
     67A  SER*     3.2     8.6    +      -       -      +
     68A  GLU*     1.3    75.1    -      -       -      +
     70A  LYS*     1.3    66.9    +      -       +      +
     72A  ASP*     2.9    26.9    +      -       +      +
     73A  LYS*     3.0    22.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 70 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37A  ASP*     4.5    22.9    +      -       +      +
     40A  LYS*     5.1     3.2    -      -       -      +
     65A  GLY      3.5    20.3    +      -       -      +
     66A  ILE*     4.2    13.2    -      -       +      -
     67A  SER*     3.0    37.6    +      -       -      +
     69A  ALA*     1.3    77.4    -      -       -      +
     71A  ALA*     1.3    57.4    -      -       -      +
     73A  LYS*     3.0    20.5    +      -       +      +
     74A  ILE*     2.9    38.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 71 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57A  LYS*     3.1    34.3    -      -       +      +
     60A  LEU*     3.5    24.9    -      -       +      -
     61A  ILE*     5.1     1.6    -      -       +      -
     66A  ILE*     4.7     1.3    -      -       +      +
     67A  SER      3.4     3.0    +      -       -      +
     68A  GLU*     2.9     6.1    +      -       -      +
     70A  LYS*     1.3    78.3    -      -       -      +
     72A  ASP*     1.3    59.4    +      -       -      +
     74A  ILE*     4.0    10.9    -      -       -      +
     75A  LEU*     2.9    39.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 72 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57A  LYS*     4.1     8.7    +      -       -      -
     68A  GLU*     2.9    15.1    +      -       -      +
     69A  ALA*     2.9    19.8    +      -       +      +
     71A  ALA*     1.3    77.8    -      -       -      +
     73A  LYS*     1.3    63.3    +      -       +      +
     75A  LEU*     4.2     4.4    -      -       -      +
     76A  ALA*     2.9    26.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 73 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31A  CYS*     5.4    10.3    -      -       -      +
     32A  GLY      5.4     7.4    +      -       -      +
     33A  ILE*     5.1    13.0    -      -       +      -
     69A  ALA*     3.0    20.8    +      -       -      +
     70A  LYS*     3.0    19.4    +      -       +      +
     72A  ASP*     1.3    76.8    -      -       +      +
     74A  ILE*     1.3    64.6    +      -       +      +
     76A  ALA*     3.1     8.8    +      -       -      +
     77A  GLU*     2.9    28.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 74 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28A  LEU*     5.1     6.6    -      -       +      +
     33A  ILE*     4.6    21.5    -      -       +      -
     41A  LEU*     4.2    31.4    -      -       +      -
     52A  VAL*     3.5    27.9    -      -       +      +
     60A  LEU*     4.1    23.3    -      -       +      -
     66A  ILE*     5.2     3.6    -      -       +      -
     70A  LYS*     2.9    32.1    +      -       +      +
     71A  ALA*     3.8     9.2    -      -       -      +
     72A  ASP      3.3     0.2    -      -       -      -
     73A  LYS*     1.3    77.8    -      -       +      +
     75A  LEU*     1.3    57.4    +      -       -      +
     77A  GLU*     3.0    10.0    +      -       -      +
     78A  ALA*     2.9    24.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 75 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     52A  VAL*     4.0    23.1    -      -       +      +
     53A  ALA*     5.5     2.5    -      -       -      +
     55A  ALA      4.4     9.6    -      -       -      +
     57A  LYS*     4.2    33.0    -      -       +      +
     60A  LEU*     4.4    16.4    -      -       +      -
     71A  ALA*     2.9    24.9    +      -       +      +
     72A  ASP*     4.3     4.9    -      -       -      +
     74A  ILE*     1.3    73.9    -      -       -      +
     76A  ALA*     1.3    60.6    +      -       -      +
     78A  ALA*     3.1     7.5    +      -       +      +
     79A  ALA*     2.9    29.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 76 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     72A  ASP      2.9    20.5    +      -       -      +
     73A  LYS*     3.3     7.9    -      -       -      +
     75A  LEU*     1.3    77.7    -      -       -      +
     77A  GLU*     1.3    64.9    +      -       -      +
     79A  ALA*     3.5     7.8    +      -       -      +
     80A  LYS*     2.9    24.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 77 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28A  LEU*     3.6    22.2    -      -       +      +
     30A  GLN*     5.0     5.3    -      -       -      +
     31A  CYS*     3.1    39.5    -      -       +      +
     33A  ILE*     4.4    15.5    -      -       +      -
     73A  LYS*     2.9    20.4    +      -       +      +
     74A  ILE*     3.0     8.9    +      -       -      +
     76A  ALA*     1.3    80.5    -      -       -      +
     78A  ALA*     1.3    59.7    +      -       -      +
     79A  ALA      3.2     0.2    -      -       -      -
     80A  LYS*     2.9    36.9    +      -       -      +
     81A  LEU*     2.9    21.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 78 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28A  LEU*     4.6     1.3    -      -       +      +
     49A  VAL*     4.5    12.8    -      -       +      +
     52A  VAL*     4.3     9.6    -      -       +      +
     53A  ALA*     3.7    35.5    -      -       +      +
     74A  ILE      2.9    12.5    +      -       -      +
     75A  LEU*     3.1    13.9    +      -       +      +
     77A  GLU*     1.3    76.2    -      -       -      +
     79A  ALA*     1.3    57.5    +      -       -      +
     82A  VAL*     2.9    35.9    +      -       -      +
     84A  MET*     6.0     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 79 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     75A  LEU      2.9    15.7    +      -       -      +
     76A  ALA*     3.7     7.9    -      -       -      +
     78A  ALA*     1.3    75.0    -      -       -      +
     80A  LYS*     1.3    63.8    +      -       -      +
     81A  LEU      4.2     0.2    -      -       -      -
     82A  VAL      3.3    19.8    -      -       -      +
     83A  PRO*     4.4     2.9    -      -       -      +
     84A  MET*     5.4     6.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 80 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76A  ALA      2.9    16.2    +      -       -      +
     77A  GLU*     2.9    35.6    +      -       -      +
     79A  ALA*     1.3    78.8    -      -       -      +
     81A  LEU*     1.3    66.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 81 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23A  GLN*     4.0    20.7    +      -       -      +
     27A  ARG*     4.1    25.1    -      -       +      +
     28A  LEU*     3.8    16.4    -      -       +      -
     49A  VAL*     3.6    37.7    -      -       +      -
     77A  GLU*     2.9    12.3    +      -       -      +
     80A  LYS*     1.3    91.4    -      -       +      +
     82A  VAL*     1.3    63.6    +      -       -      +
     83A  PRO*     3.6     9.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 82 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23A  GLN*     3.9    11.7    -      -       -      +
     49A  VAL*     4.7     2.7    -      -       +      -
     50A  GLU*     3.6    37.9    -      -       +      +
     53A  ALA*     4.4     6.5    -      -       +      -
     54A  TYR*     4.1    15.3    -      -       +      +
     78A  ALA      2.9    21.7    +      -       -      +
     79A  ALA*     3.3    15.5    -      -       -      +
     81A  LEU*     1.3    79.1    -      -       +      +
     83A  PRO*     1.3    82.1    -      -       +      +
     84A  MET*     3.6    20.5    +      -       -      +
----------------------------------------------------------
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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