Contacts of the helix formed by residues 296 - 303 (chain A) in PDB entry 1HJV


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 296 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    260A  THR      3.1    21.0    +      -       -      +
    295A  ALA*     1.3    72.2    -      -       -      +
    297A  TYR*     1.3    56.8    +      -       -      +
    299A  ILE*     3.1    14.5    +      -       +      +
    300A  CYS*     3.0    37.5    +      -       -      -
    303A  LEU*     5.9     3.1    -      -       +      +
    328A  TYR*     4.3    19.5    -      +       +      -
    329A  ASP      3.5    21.5    -      -       -      -
    330A  ASP*     4.1     7.5    -      -       +      +
    331A  GLN*     3.7    21.8    +      -       -      -
    356A  LEU      2.8    14.8    +      -       -      +
    357A  ASP*     4.0     4.3    -      -       -      -
    358A  ASP      4.3     1.8    -      -       -      -
    364A  CYS*     3.9    16.0    -      -       +      +
    371A  PRO*     3.5    29.4    -      -       +      -
    372A  LEU*     3.2    33.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 297 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     35A  ARG*     4.2    14.2    +      -       -      -
     38A  ASP      5.6     0.2    -      -       -      -
     39A  GLY*     3.9    15.0    +      -       -      -
    287A  PHE*     3.5    39.9    -      +       +      +
    288A  THR*     4.3     4.2    -      -       -      +
    295A  ALA*     3.3    21.9    -      -       +      +
    296A  TYR*     1.3    78.8    -      -       -      +
    298A  GLU*     1.3    70.7    +      -       +      +
    300A  CYS*     3.5     9.6    +      -       -      +
    301A  ASP*     3.4     3.8    -      -       -      +
    355A  ASP      3.7    17.9    -      -       -      -
    356A  LEU      3.9     0.2    +      -       -      -
    357A  ASP      3.4    18.6    -      -       -      -
    358A  ASP*     3.8    20.8    -      -       -      +
    359A  PHE*     4.3    11.9    -      +       -      -
    363A  PHE*     3.2    64.0    -      +       +      +
----------------------------------------------------------
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Residues in contact with GLU 298 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    285A  GLY*     3.0    22.1    -      -       -      -
    286A  ARG*     4.7     2.7    -      -       +      +
    287A  PHE*     3.1    15.6    +      -       +      -
    288A  THR*     2.6    45.2    +      -       -      -
    294A  LEU*     3.5    13.6    -      -       +      -
    295A  ALA*     2.7    31.4    +      -       -      +
    297A  TYR*     1.3    92.8    -      -       +      +
    299A  ILE*     1.3    68.0    +      -       -      +
    300A  CYS      3.0     1.8    -      -       -      -
    301A  ASP*     2.9    13.3    +      -       -      +
    302A  PHE*     2.9    22.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 299 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    261A  PHE      4.4     0.9    -      -       -      -
    262A  GLY*     3.7    22.0    -      -       -      +
    294A  LEU*     3.7    22.7    -      -       +      +
    295A  ALA      2.9    14.7    +      -       -      +
    296A  TYR*     3.1    22.2    +      -       +      +
    298A  GLU*     1.3    77.1    -      -       -      +
    300A  CYS*     1.3    50.3    +      -       -      +
    302A  PHE*     3.1     9.2    +      -       +      +
    303A  LEU*     2.8    41.2    +      -       +      +
    326A  VAL*     4.4     8.1    -      -       +      -
    328A  TYR*     3.3    63.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with CYS 300 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    296A  TYR*     3.0    28.5    +      -       -      -
    297A  TYR      3.5     8.5    -      -       -      +
    298A  GLU      3.0     0.4    -      -       -      -
    299A  ILE*     1.3    75.3    -      -       -      +
    301A  ASP*     1.3    65.2    +      -       -      +
    303A  LEU*     3.3    24.1    +      -       -      +
    304A  ARG*     3.8    10.7    +      -       -      +
    363A  PHE      3.5    16.5    -      -       -      +
    364A  CYS*     2.0    50.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 301 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    287A  PHE*     4.6     6.2    -      -       -      -
    297A  TYR      3.4     7.8    +      -       -      +
    298A  GLU*     2.9    12.2    +      -       -      +
    300A  CYS*     1.3    76.8    -      -       -      +
    302A  PHE*     1.3    65.0    +      -       -      +
    304A  ARG*     3.0    46.2    +      -       -      +
    321A  LYS*     4.1     5.0    +      -       -      -
    363A  PHE*     3.4    39.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 302 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    294A  LEU*     4.8    13.2    -      -       +      -
    298A  GLU      2.9    11.9    +      -       -      +
    299A  ILE*     3.2    14.4    -      -       +      +
    301A  ASP*     1.3    79.3    -      -       -      +
    303A  LEU*     1.3    61.2    +      -       +      +
    304A  ARG      3.1     0.4    -      -       -      +
    306A  ALA*     3.3    11.3    -      -       +      +
    319A  ALA*     3.7    21.5    -      -       +      -
    320A  THR*     4.3     2.9    -      -       -      -
    321A  LYS*     3.1    52.7    +      -       +      +
    324A  GLN*     3.6    47.6    -      -       +      -
    326A  VAL*     3.5    32.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 303 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    296A  TYR*     5.9     3.4    -      -       +      +
    299A  ILE*     2.8    27.8    +      -       +      +
    300A  CYS*     3.6    18.6    -      -       -      +
    301A  ASP      3.2     0.6    -      -       -      -
    302A  PHE*     1.3    75.6    -      -       +      +
    304A  ARG*     1.3    59.7    +      -       -      +
    305A  GLY      3.1     1.2    +      -       -      -
    306A  ALA*     3.0    27.8    +      -       +      +
    308A  VAL*     3.2    32.8    -      -       +      -
    319A  ALA*     3.6    18.4    -      -       +      -
    328A  TYR*     3.8    14.8    -      -       +      +
----------------------------------------------------------
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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