Contacts of the helix formed by residues 2172 - 2188 (chain F) in PDB entry 6X34


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 GLY2172 (chain F).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2170F  GLN      3.6     0.6    +      -       -      -
   2171F  MET*     1.3    75.1    -      -       -      +
   2173F  PRO*     1.3    66.8    -      -       -      +
   2174F  GLN      3.5     1.6    -      -       -      -
   2175F  GLU*     3.3    14.0    -      -       -      +
   2176F  GLU*     2.5    38.2    +      -       -      +
   2226F  PHE*     4.5     9.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with PRO2173 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2172F  GLY*     1.3    83.2    -      -       -      +
   2174F  GLN*     1.3    60.2    +      -       -      +
   2176F  GLU*     3.2     5.9    +      -       +      +
   2177F  ASN*     2.9    27.9    +      -       -      +
   2226F  PHE*     5.2     6.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN2174 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1680F  ARG*     5.4    12.9    +      -       -      +
   1794F  GLU*     4.1    24.0    +      -       -      +
   1795F  ALA      3.7    18.6    +      -       -      +
   1796F  PRO*     4.2    11.1    -      -       -      +
   1797F  ALA*     4.3    10.3    -      -       -      +
   2166F  LEU*     5.2     2.4    -      -       -      +
   2172F  GLY      3.5     0.2    -      -       -      -
   2173F  PRO*     1.3    80.6    -      -       -      +
   2175F  GLU*     1.3    61.8    +      -       -      +
   2177F  ASN*     3.3     9.3    +      -       +      +
   2178F  LEU*     2.9    45.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU2175 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2166F  LEU*     4.0    29.7    -      -       +      +
   2169F  VAL*     5.9     1.1    -      -       +      -
   2170F  GLN      4.4     5.6    -      -       -      +
   2171F  MET*     4.2     7.6    -      -       -      -
   2172F  GLY*     3.3    24.9    +      -       -      +
   2173F  PRO      3.2     0.6    -      -       -      -
   2174F  GLN*     1.3    83.8    +      -       -      +
   2176F  GLU*     1.3    56.7    +      -       -      +
   2178F  LEU*     3.4     2.4    +      -       -      +
   2179F  MET*     2.9    29.6    +      -       -      +
   2229F  MET*     6.2     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU2176 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2171F  MET*     5.6     0.4    -      -       -      +
   2172F  GLY      2.5    23.3    +      -       -      +
   2173F  PRO*     3.6     6.3    -      -       +      +
   2175F  GLU*     1.3    73.5    -      -       -      +
   2177F  ASN*     1.3    56.9    +      -       -      +
   2179F  MET*     3.3     7.2    +      -       -      +
   2180F  ILE*     2.9    39.0    +      -       +      +
   2226F  PHE*     5.0    14.4    -      -       +      -
   2229F  MET*     4.5    25.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASN2177 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1794F  GLU*     4.3    26.3    +      -       -      +
   2173F  PRO      2.9    16.9    +      -       -      +
   2174F  GLN*     3.6     9.6    -      -       -      +
   2176F  GLU*     1.3    78.1    -      -       -      +
   2178F  LEU*     1.3    56.5    +      -       -      +
   2180F  ILE*     3.2     9.5    +      -       -      +
   2181F  GLN*     2.9    49.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU2178 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1796F  PRO*     6.2     6.3    -      -       +      -
   1797F  ALA      6.3     0.2    -      -       -      +
   2162F  GLN*     3.4    39.0    -      -       +      +
   2166F  LEU*     3.7    33.0    -      -       +      -
   2174F  GLN*     2.9    34.5    +      -       -      +
   2175F  GLU*     3.8     4.7    -      -       -      +
   2177F  ASN*     1.3    75.8    -      -       -      +
   2179F  MET*     1.3    57.7    +      -       -      +
   2181F  GLN*     3.3     9.9    +      -       +      +
   2182F  SER*     2.9    30.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET2179 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2163F  ILE*     3.7    40.2    -      -       +      +
   2166F  LEU*     5.6     9.4    -      -       +      +
   2167F  LEU*     6.1     1.1    -      -       -      -
   2175F  GLU      2.9    17.8    +      -       -      +
   2176F  GLU      3.6     5.6    -      -       -      +
   2178F  LEU*     1.3    77.2    -      -       -      +
   2180F  ILE*     1.3    58.4    +      -       +      +
   2182F  SER*     3.3     3.8    +      -       -      -
   2183F  ILE*     2.9    56.5    +      -       +      +
   2208F  VAL*     5.7     7.4    -      -       +      -
   2211F  VAL*     3.8    32.3    -      -       +      -
   2229F  MET*     3.6    28.0    -      -       +      -
   2232F  SER*     5.8     1.6    -      -       -      +
   2233F  CYS*     5.9     3.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE2180 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2176F  GLU*     2.9    25.9    +      -       +      +
   2177F  ASN*     3.2     9.8    +      -       -      +
   2179F  MET*     1.3    77.4    -      -       +      +
   2181F  GLN*     1.3    72.1    +      -       -      +
   2183F  ILE*     3.3     7.5    +      -       -      +
   2184F  GLY*     2.9    25.5    +      -       -      -
   2228F  LYS*     3.6    33.7    -      -       +      +
   2229F  MET*     4.4     5.6    -      -       -      +
   2232F  SER*     4.0    23.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN2181 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2177F  ASN*     2.9    41.6    +      -       -      +
   2178F  LEU*     3.7    12.6    -      -       +      +
   2179F  MET      3.3     0.2    -      -       -      -
   2180F  ILE*     1.3    88.0    -      -       -      +
   2182F  SER*     1.3    57.9    +      -       -      +
   2184F  GLY*     3.3     2.2    +      -       -      -
   2185F  ASN*     2.9    29.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER2182 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2159F  CYS*     4.9     6.5    -      -       -      -
   2162F  GLN*     5.7     5.4    -      -       -      -
   2163F  ILE*     3.6    31.4    -      -       -      -
   2178F  LEU*     2.9    22.1    +      -       -      +
   2179F  MET*     3.6     6.7    -      -       -      -
   2180F  ILE      3.2     0.2    -      -       -      -
   2181F  GLN*     1.3    77.3    -      -       -      +
   2183F  ILE*     1.3    58.1    +      -       -      +
   2185F  ASN*     3.1     6.7    +      -       -      +
   2186F  ILE*     2.9    36.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE2183 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2163F  ILE*     5.0     5.8    -      -       +      -
   2179F  MET*     2.9    50.2    +      -       +      +
   2180F  ILE*     3.8     6.5    -      -       -      +
   2182F  SER*     1.3    76.2    -      -       -      +
   2184F  GLY*     1.3    62.3    +      -       -      +
   2186F  ILE*     3.2    32.8    -      -       +      +
   2187F  MET*     3.3    18.0    -      -       -      +
   2208F  VAL*     5.3     8.1    -      -       +      -
   2232F  SER*     3.8    35.4    -      -       -      +
   2233F  CYS*     5.5     3.8    -      -       +      +
   2235F  ARG*     5.8     1.8    -      -       -      +
   2236F  PHE*     3.8    25.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY2184 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2180F  ILE      2.9    14.9    +      -       -      -
   2181F  GLN*     3.7     3.8    -      -       -      -
   2183F  ILE*     1.3    78.8    -      -       -      +
   2185F  ASN*     1.3    58.5    +      -       -      +
   2187F  MET*     3.7    12.3    +      -       -      +
   2188F  ASN*     2.9    25.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN2185 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2155F  SER*     5.3     5.2    +      -       -      +
   2156F  LEU*     5.9     0.3    -      -       -      +
   2159F  CYS*     4.3    20.7    -      -       +      +
   2181F  GLN      2.9    17.3    +      -       -      +
   2182F  SER*     3.1     7.2    +      -       -      +
   2184F  GLY*     1.3    75.0    -      -       -      +
   2186F  ILE*     1.3    65.4    +      -       +      +
   2187F  MET      3.1     2.9    +      -       -      -
   2188F  ASN*     3.4    15.7    +      -       -      +
   2189F  ASN*     4.0     6.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE2186 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2156F  LEU*     4.3    17.6    -      -       +      +
   2159F  CYS*     3.5    30.3    -      -       -      -
   2160F  LEU*     5.8     0.7    -      -       +      -
   2163F  ILE*     4.0    16.4    -      -       +      -
   2182F  SER      2.9    14.8    +      -       -      +
   2183F  ILE*     3.2    43.3    -      -       +      +
   2185F  ASN*     1.3    76.5    -      -       -      +
   2187F  MET*     1.3    60.1    +      -       -      +
   2188F  ASN      3.4     0.4    +      -       -      -
   2189F  ASN*     3.8    14.5    -      -       -      +
   2192F  PHE*     4.4    13.9    -      -       +      +
   2204F  MET*     6.6     0.2    -      -       +      -
   2208F  VAL*     6.0     0.4    -      -       +      -
   2236F  PHE*     3.5    34.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET2187 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2183F  ILE*     3.3    28.7    +      -       -      +
   2184F  GLY*     4.0     8.7    -      -       -      +
   2185F  ASN      3.1     1.0    -      -       -      -
   2186F  ILE*     1.3    76.4    -      -       -      +
   2188F  ASN*     1.3    61.1    +      -       -      +
   2189F  ASN      3.2    14.2    +      -       -      +
   2192F  PHE*     5.1     5.9    -      -       +      -
   2193F  TYR*     4.0    22.1    +      -       -      +
   2235F  ARG*     4.1    24.7    -      -       -      +
   2236F  PHE*     4.0    29.2    -      -       +      -
   2239F  TYR*     3.7    49.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN2188 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   2184F  GLY      2.9    19.9    -      -       -      +
   2185F  ASN*     3.4    11.7    +      -       -      +
   2187F  MET*     1.3    79.5    +      -       -      +
   2189F  ASN*     1.3    60.9    +      -       -      +
   2190F  LYS*     3.7     1.6    +      -       -      +
----------------------------------------------------------
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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