Contacts of the helix formed by residues 475 - 486 (chain K) in PDB entry 6QX2


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 ASN 475 (chain K).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    461K  ILE*     5.1     0.3    -      -       -      +
    462K  LEU*     3.4    32.4    -      -       +      +
    471K  ARG*     2.9    13.0    +      -       +      +
    472K  ILE      3.3    14.2    +      -       -      +
    474K  ASN*     1.3    74.6    -      -       -      +
    476K  ASN*     1.3    57.1    +      -       -      +
    477K  GLU*     2.9    34.2    +      -       -      +
    478K  ILE*     3.1    22.7    +      -       +      +
    479K  ARG*     3.1    31.4    +      -       -      +
     13O    G      5.5     0.6    +      -       -      +
     14O    T      4.0    19.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 476 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    458K  ARG*     3.8    14.5    -      -       -      +
    474K  ASN      3.5     5.3    +      -       -      +
    475K  ASN*     1.3    70.8    +      -       -      +
    477K  GLU*     1.3    75.3    +      -       -      +
    479K  ARG*     3.4    15.6    +      -       -      +
    480K  GLN*     3.0    50.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 477 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    456K  PRO      5.0     1.4    -      -       -      +
    457K  LEU*     4.5    17.2    -      -       +      +
    458K  ARG*     2.9    60.8    +      -       +      +
    459K  GLY      5.8     0.7    -      -       -      +
    460K  LYS      6.1     0.4    -      -       -      +
    461K  ILE*     3.9    21.7    -      -       +      +
    475K  ASN*     2.9    10.2    +      -       -      +
    476K  ASN*     1.3    87.4    +      -       -      +
    478K  ILE*     1.3    65.3    +      -       -      +
    480K  GLN*     3.5    16.8    +      -       -      +
    481K  MET*     3.3    29.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 478 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    461K  ILE*     4.2    12.8    -      -       +      -
    462K  LEU*     4.6     8.3    -      -       +      +
    464K  VAL*     4.1    11.9    -      -       +      -
    472K  ILE*     3.5    33.0    -      -       +      +
    473K  LEU*     5.3     1.1    -      -       -      -
    475K  ASN*     3.1    24.4    +      -       +      +
    477K  GLU*     1.3    73.5    -      -       -      +
    479K  ARG*     1.3    63.3    +      -       +      +
    481K  MET*     3.3    19.0    +      -       +      +
    482K  ILE*     3.1    35.9    +      -       +      +
    523K  PHE*     3.7    42.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 479 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    473K  LEU*     3.1    29.2    -      -       -      +
    474K  ASN*     4.1    15.0    +      -       -      +
    475K  ASN      3.1    18.8    +      -       -      +
    476K  ASN*     3.6    15.6    +      -       -      +
    477K  GLU      3.3     0.2    -      -       -      -
    478K  ILE*     1.3    75.7    -      -       +      +
    480K  GLN*     1.3    56.9    +      -       +      +
    482K  ILE*     3.3    13.0    +      -       +      +
    483K  THR*     2.9    34.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 480 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    416K  GLY*     3.3    30.9    -      -       -      +
    417K  LYS*     3.4     8.8    +      -       -      +
    418K  LEU*     5.7     0.5    -      -       -      +
    455K  LEU*     3.7    25.0    -      -       +      +
    456K  PRO      5.0     2.4    -      -       -      +
    457K  LEU*     6.3     0.9    -      -       +      -
    458K  ARG*     3.0    30.0    +      -       -      +
    476K  ASN*     3.0    38.5    +      -       -      +
    477K  GLU*     3.9    15.2    +      -       -      +
    478K  ILE      3.4     0.4    -      -       -      -
    479K  ARG*     1.3    75.0    -      -       +      +
    481K  MET*     1.3    56.9    +      -       -      +
    483K  THR*     3.5     6.7    +      -       -      -
    484K  ALA*     3.0    29.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 481 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    433K  LEU*     4.5    12.1    -      -       +      -
    455K  LEU*     3.7    23.1    -      -       +      -
    457K  LEU*     4.2     9.0    -      -       +      -
    461K  ILE*     3.3    29.4    -      -       +      -
    477K  GLU      3.3    11.5    +      -       -      +
    478K  ILE*     3.7    13.7    -      -       +      +
    479K  ARG      3.2     0.8    -      -       -      -
    480K  GLN*     1.3    75.3    -      -       -      +
    482K  ILE*     1.3    64.4    +      -       -      +
    484K  ALA*     3.3     2.5    +      -       -      +
    485K  PHE*     3.1    44.2    +      -       +      -
    520K  LEU*     3.6    23.1    -      -       +      -
    523K  PHE*     3.6    33.4    -      -       +      -
    524K  PHE*     4.5     5.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 482 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    473K  LEU*     5.2     6.5    -      -       +      -
    478K  ILE*     3.1    33.4    +      -       +      +
    479K  ARG*     3.6    11.7    -      -       +      +
    481K  MET*     1.3    76.3    -      -       -      +
    483K  THR*     1.3    58.9    +      -       -      +
    485K  PHE*     3.9     1.4    -      -       -      +
    486K  GLY*     2.9    27.9    +      -       -      -
    487K  THR      4.2     1.9    +      -       -      -
    488K  GLY*     4.4    21.8    -      -       -      +
    489K  ILE*     3.7    39.7    -      -       +      -
    523K  PHE*     4.0     5.2    -      -       +      -
    528K  MET*     3.9    15.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR 483 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    418K  LEU*     6.4     0.7    -      -       +      -
    479K  ARG*     2.9    20.4    +      -       -      +
    480K  GLN*     3.7     7.6    -      -       -      -
    481K  MET      3.3     0.2    -      -       -      -
    482K  ILE*     1.3    77.5    -      -       -      +
    484K  ALA*     1.3    63.2    +      -       -      +
    486K  GLY*     3.4    12.5    +      -       -      -
    499K  ARG*     3.9    12.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 484 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    418K  LEU*     3.9    15.7    -      -       +      -
    431K  ILE*     3.9    24.9    -      -       +      -
    455K  LEU*     4.3     9.4    -      -       +      -
    480K  GLN      3.0    18.0    +      -       -      +
    481K  MET      3.3     5.4    +      -       -      +
    483K  THR*     1.3    76.6    -      -       -      +
    485K  PHE*     1.3    59.4    +      -       +      +
    499K  ARG*     3.0    35.1    +      -       -      +
    500K  TYR*     3.1    12.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 485 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    431K  ILE*     3.8    21.8    -      -       +      -
    433K  LEU*     4.4     9.4    -      -       +      -
    455K  LEU*     5.6     0.2    -      -       +      -
    481K  MET*     3.1    33.0    +      -       +      +
    482K  ILE      4.1     2.2    -      -       -      +
    484K  ALA*     1.3    78.5    -      -       +      +
    486K  GLY*     1.3    63.2    +      -       -      +
    487K  THR*     3.3    16.6    +      -       +      +
    497K  LYS      3.6     0.3    -      -       -      +
    498K  ALA*     3.5     5.5    -      -       +      -
    499K  ARG*     3.0    27.6    +      -       -      +
    500K  TYR*     4.5     7.9    -      +       -      +
    503K  ILE*     3.6    45.8    -      -       +      -
    523K  PHE*     4.9     0.2    -      +       -      -
    524K  PHE*     3.4    29.4    -      +       -      -
    528K  MET*     3.6    24.2    -      -       +      -
    531K  LEU*     4.7     6.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 486 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    482K  ILE      2.9    13.2    +      -       -      -
    483K  THR*     3.4     9.6    +      -       -      -
    484K  ALA      3.4     2.0    -      -       -      -
    485K  PHE*     1.3    76.5    -      -       -      +
    487K  THR*     1.3    59.4    +      -       -      +
    488K  GLY      3.6     2.5    -      -       -      -
    497K  LYS*     3.3    25.3    -      -       -      +
    499K  ARG*     5.4     3.1    -      -       -      -
----------------------------------------------------------
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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