Contacts of the helix formed by residues 861 - 879 (chain 1) in PDB entry 6AH0


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 ALA 861 (chain 1).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8591  ASP      3.6     3.8    -      -       -      +
    8601  GLU*     1.3    76.5    -      -       -      +
    8621  GLU*     1.3    70.3    +      -       -      +
    8631  GLN      3.7     0.2    -      -       -      -
    8641  TYR*     3.8     4.2    +      -       -      -
    8651  ARG*     3.4     9.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 862 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8601  GLU      3.4     4.1    +      -       -      -
    8611  ALA*     1.3    70.3    -      -       -      +
    8631  GLN*     1.3    56.0    +      -       -      +
    8641  TYR      2.5     1.8    +      -       -      -
    8651  ARG*     2.3    34.2    +      -       -      +
    8661  LYS      2.9     9.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 863 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8241  ALA*     5.7     9.5    -      -       -      -
    8251  LEU*     6.6     0.2    -      -       -      +
    8611  ALA      3.7     0.2    -      -       -      -
    8621  GLU*     1.3    70.9    -      -       -      +
    8641  TYR*     1.3    60.8    +      -       -      +
    8661  LYS*     3.3     4.4    +      -       -      +
    8671  MET*     2.9    19.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 864 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8241  ALA*     6.0     5.1    -      -       -      +
    8561  ASP      5.6     0.7    -      -       -      -
    8611  ALA      3.8     4.7    +      -       -      -
    8621  GLU      2.5     5.4    +      -       -      -
    8631  GLN*     1.3    71.0    -      -       -      +
    8651  ARG*     1.3    53.9    +      -       -      +
    8671  MET*     2.6    25.0    +      -       -      +
    8681  VAL      3.0     8.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 865 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8561  ASP      4.5    16.4    +      -       -      -
    8571  LEU*     5.1    11.1    -      -       -      +
    8591  ASP      5.2     2.6    +      -       -      -
    8611  ALA      3.4     8.4    +      -       -      -
    8621  GLU*     2.3    16.6    +      -       -      +
    8641  TYR*     1.3    67.2    -      -       -      +
    8661  LYS*     1.3    63.3    +      -       -      +
    8671  MET      2.8     1.0    +      -       -      -
    8681  VAL*     3.0     3.9    +      -       -      +
    8691  MET*     2.9    20.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 866 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8621  GLU      2.9    10.4    +      -       -      -
    8631  GLN*     3.6     5.6    -      -       -      +
    8641  TYR      3.2     0.2    -      -       -      -
    8651  ARG*     1.3    74.3    -      -       -      +
    8671  MET*     1.3    62.8    +      -       -      +
    8691  MET*     3.1     1.3    +      -       -      +
    8701  GLU*     3.0    20.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with MET 867 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8631  GLN      2.9     9.7    +      -       -      -
    8641  TYR*     2.6    16.3    +      -       -      +
    8661  LYS*     1.3    68.5    -      -       -      +
    8681  VAL*     1.3    66.9    +      -       -      +
    8691  MET      2.8     0.7    +      -       -      -
    8701  GLU*     3.0    10.7    +      -       -      -
    8711  THR*     3.0    11.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 868 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8531  ILE      5.5     6.5    -      -       -      -
    8561  ASP      6.5     0.9    -      -       -      -
    8641  TYR      3.0     7.5    +      -       -      -
    8651  ARG*     3.0     6.2    +      -       -      +
    8671  MET*     1.3    75.4    -      -       -      +
    8691  MET*     1.3    64.8    +      -       -      +
    8711  THR*     3.4     1.7    +      -       -      +
    8721  ILE*     3.1    18.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with MET 869 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8651  ARG      2.9    12.4    +      -       -      -
    8661  LYS*     3.6     3.8    -      -       -      +
    8671  MET      2.8     0.2    +      -       -      -
    8681  VAL*     1.3    79.3    -      -       -      +
    8701  GLU*     1.3    64.1    +      -       -      +
    8721  ILE*     3.3     1.2    +      -       -      -
    8731  GLU*     3.0    17.8    +      -       -      -
    9091  VAL      6.5     0.4    -      -       -      -
    9101  MET*     6.4     2.7    -      -       -      +
    9131  GLY*     5.1     7.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 870 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8661  LYS      3.0    14.5    +      -       -      -
    8671  MET      3.0     1.3    +      -       -      -
    8691  MET*     1.3    74.2    -      -       -      +
    8711  THR*     1.3    68.0    +      -       -      +
    8731  GLU*     2.9    11.2    +      -       -      +
    8741  LYS*     2.9    10.2    +      -       -      -
    9091  VAL*     6.1     5.0    -      -       -      +
    9131  GLY*     5.7     3.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with THR 871 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8341  VAL*     5.6    12.3    -      -       -      +
    8671  MET      3.0    12.6    +      -       -      -
    8681  VAL*     3.8     3.1    -      -       -      +
    8701  GLU*     1.3    77.2    -      -       -      +
    8721  ILE*     1.3    64.8    +      -       -      +
    8741  LYS*     2.9     8.8    +      -       -      -
    8751  ILE*     3.0     9.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 872 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8501  ILE*     6.4     2.2    -      -       -      +
    8681  VAL      3.1    13.3    +      -       -      -
    8691  MET      3.7     2.9    -      -       -      -
    8711  THR*     1.3    72.0    -      -       -      +
    8731  GLU*     1.3    66.0    +      -       -      +
    8751  ILE*     2.7    15.0    +      -       -      +
    8761  MET*     3.0    12.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 873 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8691  MET      3.0    10.6    +      -       -      -
    8701  GLU*     2.9     8.8    +      -       -      +
    8721  ILE*     1.3    74.3    -      -       -      +
    8741  LYS*     1.3    62.8    +      -       -      +
    8761  MET*     3.7     0.9    +      -       -      -
    8771  GLY*     2.9    17.7    +      -       -      -
    9131  GLY*     4.6    23.3    -      -       -      -
    9161  THR*     5.9     5.0    -      -       -      +
    9171  VAL      5.9     1.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 874 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8701  GLU      2.9    13.2    +      -       -      -
    8711  THR      3.6     2.5    -      -       -      -
    8731  GLU*     1.3    74.1    -      -       -      +
    8751  ILE*     1.3    54.2    +      -       -      +
    8771  GLY*     2.2    34.9    +      -       -      -
    8781  ASN      2.8     4.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 875 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8381  VAL*     6.0     6.0    -      -       -      +
    8711  THR      3.0     9.0    +      -       -      -
    8721  ILE*     2.7    12.8    +      -       -      +
    8741  LYS*     1.3    67.6    -      -       -      +
    8761  MET*     1.3    57.9    +      -       -      +
    8781  ASN*     2.7    21.6    +      -       -      +
    8791  LEU*     2.9    14.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with MET 876 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8721  ILE      3.0    11.3    +      -       -      -
    8731  GLU      3.7     2.0    -      -       -      -
    8751  ILE*     1.3    71.9    -      -       -      +
    8771  GLY*     1.3    63.6    +      -       -      +
    8801  GLY*     3.8    26.6    +      -       -      +
    8811  ALA*     4.4     4.1    +      -       -      +
    9161  THR      5.5     5.4    -      -       -      +
    9201  ALA*     5.5     5.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 877 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8731  GLU      2.9    11.2    +      -       -      -
    8741  LYS*     2.2    25.0    +      -       -      -
    8761  MET*     1.3    72.7    -      -       -      +
    8781  ASN*     1.3    62.8    +      -       -      +
    8801  GLY*     4.2     2.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 878 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8741  LYS      2.8     5.3    +      -       -      -
    8751  ILE*     2.7    10.0    +      -       -      +
    8771  GLY*     1.3    73.8    -      -       -      +
    8791  LEU*     1.3    62.0    +      -       -      +
    8801  GLY*     3.4     0.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 879 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    8421  ASN*     6.6     0.4    -      -       -      +
    8461  ALA*     6.6     0.2    -      -       -      +
    8751  ILE*     2.9    13.1    +      -       -      +
    8761  MET*     5.4     0.2    -      -       -      +
    8781  ASN*     1.3    73.1    -      -       -      +
    8801  GLY*     1.3    65.1    +      -       -      +
----------------------------------------------------------
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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