Contacts of the helix formed by residues 782 - 789 (chain F) in PDB entry 6C3P


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 782 (chain F).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    781F  ALA*     1.3    79.8    -      -       -      +
    783F  VAL*     1.3    68.6    +      -       -      +
    784F  GLU*     3.3    15.7    -      -       +      +
    785F  GLU*     2.8    23.8    +      -       -      +
    786F  ASN*     2.9    15.1    +      -       -      +
    818F  ASP      3.2    20.2    -      -       -      +
    819F  GLN*     3.5    22.8    -      -       +      +
    820F  THR      3.5     4.5    -      -       -      -
    821F  GLN*     2.2    30.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 783 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    781F  ALA      3.6     0.6    +      -       -      -
    782F  THR*     1.3    68.9    -      -       -      +
    784F  GLU*     1.3    63.5    +      -       -      +
    786F  ASN*     2.6    26.6    -      -       -      +
    787F  ILE*     3.0    30.7    +      -       +      +
    798F  TYR*     4.9     0.7    -      -       -      +
    807F  LEU*     5.0    10.5    -      -       +      -
    811F  ILE*     5.0     9.6    -      -       +      -
    814F  LEU*     3.9    22.0    -      -       +      -
    817F  GLY      3.9     4.0    -      -       -      +
    818F  ASP*     3.1    20.6    -      -       -      +
    820F  THR*     3.0    18.9    +      -       -      +
    822F  ILE*     3.9    19.9    -      -       +      +
    837F  ILE*     5.2    11.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 784 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    782F  THR*     3.2    12.4    -      -       +      +
    783F  VAL*     1.3    79.4    -      -       -      +
    785F  GLU*     1.3    56.8    +      -       -      +
    787F  ILE*     4.4     1.8    -      -       -      -
    788F  ILE*     2.8    47.8    +      -       +      +
    793F  PHE*     5.7     1.6    -      -       +      -
    798F  TYR*     3.6    15.3    -      -       +      +
    818F  ASP*     3.1    26.6    +      -       -      +
    819F  GLN*     5.1     5.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 785 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    781F  ALA*     3.6    13.0    -      -       +      -
    782F  THR*     2.8    35.7    +      -       -      +
    784F  GLU*     1.3    79.6    -      -       -      +
    786F  ASN*     1.3    57.9    +      -       -      +
    788F  ILE*     3.7     5.5    -      -       -      +
    789F  PHE*     3.0    26.0    +      -       -      -
    790F  GLU      4.8     0.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 786 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    778F  LEU*     4.2     0.6    -      -       -      +
    779F  LEU*     4.1    27.4    +      -       +      +
    781F  ALA*     4.6     1.3    +      -       -      +
    782F  THR      2.9    13.5    +      -       -      +
    783F  VAL*     2.6    16.1    -      -       -      +
    785F  GLU*     1.3    75.4    -      -       -      +
    787F  ILE*     1.3    87.2    +      -       -      +
    789F  PHE*     3.8    13.2    +      -       -      +
    822F  ILE*     3.1    33.9    -      -       -      +
    837F  ILE*     3.9     9.0    -      -       -      +
    841F  ARG*     2.8    51.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 787 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    783F  VAL*     3.0    39.6    +      -       +      +
    784F  GLU*     3.9     3.1    -      -       -      +
    786F  ASN*     1.3    88.0    +      -       -      +
    788F  ILE*     1.3    65.8    +      -       -      +
    789F  PHE*     4.3     2.8    -      -       -      +
    798F  TYR*     3.8    29.8    -      -       +      +
    801F  VAL*     5.4     3.6    -      -       +      -
    802F  ILE*     5.2    10.1    -      -       +      -
    807F  LEU*     4.7    15.0    -      -       +      -
    811F  ILE*     5.9     0.2    -      -       +      -
    837F  ILE*     4.1    16.4    -      -       +      -
    840F  ALA*     4.6    22.0    -      -       +      -
    841F  ARG*     4.4    13.4    -      -       -      +
    844F  TYR*     3.5    21.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 788 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    784F  GLU*     2.8    31.1    +      -       +      +
    785F  GLU*     3.7     4.7    -      -       -      +
    787F  ILE*     1.3    79.0    -      -       -      +
    789F  PHE*     1.3    67.7    +      -       -      +
    790F  GLU*     3.5     5.4    -      -       -      +
    791F  SER*     3.2    50.0    -      -       -      +
    793F  PHE*     3.6    38.4    -      -       +      -
    798F  TYR*     4.7     5.6    -      -       +      -
    844F  TYR*     3.6    16.4    -      -       +      -
    845F  GLN*     4.9     2.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 789 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    777F  TRP*     6.4     1.6    -      +       -      -
    779F  LEU*     5.3    14.4    -      -       +      -
    785F  GLU      3.0    13.5    +      -       -      -
    786F  ASN*     3.9    13.9    -      -       -      +
    787F  ILE      3.4     2.9    -      -       -      +
    788F  ILE*     1.3    78.6    -      -       -      +
    790F  GLU*     1.3    70.4    +      -       +      +
    791F  SER*     4.5     1.2    -      -       -      -
    841F  ARG*     5.5     8.3    -      -       +      +
    845F  GLN*     3.2    24.9    +      -       -      +
   1212F  THR*     6.1     0.7    -      -       -      -
   1213F  ILE*     5.2     4.9    -      -       +      -
   1216F  PHE*     3.2    50.9    -      +       +      -
   1218F  TYR*     3.3    32.6    -      +       +      -
   1222F  PHE*     3.7    34.1    -      +       -      -
----------------------------------------------------------
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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