Contacts of the helix formed by residues 154 - 169 (chain Z) in PDB entry 5WTI


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 SER 154 (chain Z).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    147Z  LEU*     4.7     6.2    -      -       -      +
    152Z  ASP*     2.2    30.1    +      -       -      +
    153Z  PRO*     1.3    76.0    -      -       -      +
    155Z  TRP*     1.3    63.3    +      -       -      +
    156Z  GLU      3.1     3.5    +      -       -      +
    157Z  GLU*     3.4    16.1    +      -       -      +
    158Z  GLU*     3.0    27.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 155 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    144Z  TRP*     3.5    24.9    -      +       -      +
    147Z  LEU*     3.9     9.3    -      -       +      +
    148Z  LYS*     3.4    72.5    -      -       +      +
    151Z  GLY      5.7     0.2    -      -       -      -
    152Z  ASP*     3.2    23.0    +      -       -      +
    153Z  PRO*     3.2     8.6    -      -       +      -
    154Z  SER*     1.3    77.7    +      -       -      +
    156Z  GLU*     1.3    88.5    +      -       +      +
    158Z  GLU*     3.4     5.3    +      -       -      +
    159Z  LYS*     2.8    58.7    +      -       +      +
    160Z  LYS*     5.6     1.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 156 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    153Z  PRO      3.9    14.1    +      -       -      +
    154Z  SER      3.1     0.6    -      -       -      -
    155Z  TRP*     1.3   118.8    +      -       +      +
    157Z  GLU*     1.3    63.9    +      -       -      +
    159Z  LYS*     2.9    11.4    +      -       -      +
    160Z  LYS*     3.0    36.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 157 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    154Z  SER*     3.4    16.0    +      -       -      +
    156Z  GLU*     1.3    78.3    -      -       -      +
    158Z  GLU*     1.3    70.4    +      -       -      +
    160Z  LYS*     3.3    11.7    +      -       +      +
    161Z  LYS*     3.1    56.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 158 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143Z  ARG*     3.6    29.9    +      -       -      +
    144Z  TRP*     3.9    15.2    -      -       +      +
    147Z  LEU*     3.6    21.5    -      -       +      -
    154Z  SER*     3.0    22.6    +      -       -      +
    155Z  TRP      3.7     3.8    -      -       -      +
    157Z  GLU*     1.3    80.3    -      -       -      +
    159Z  LYS*     1.3    64.3    +      -       -      +
    161Z  LYS*     3.2    38.4    +      -       -      +
    162Z  TRP*     2.9    21.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 159 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    144Z  TRP*     3.5    61.4    -      -       +      +
    155Z  TRP*     2.8    37.6    +      -       +      +
    156Z  GLU      2.9     6.5    +      -       -      +
    158Z  GLU*     1.3    72.2    -      -       -      +
    160Z  LYS*     1.3    68.4    +      -       +      +
    162Z  TRP*     3.1     9.9    -      -       +      +
    163Z  GLU*     2.9    52.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 160 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    155Z  TRP*     5.6     1.6    -      -       -      -
    156Z  GLU*     3.0    40.3    +      -       -      +
    157Z  GLU*     3.6    10.1    -      -       +      +
    158Z  GLU      3.1     0.2    -      -       -      -
    159Z  LYS*     1.3    93.6    -      -       -      +
    161Z  LYS*     1.3    60.0    +      -       -      +
    162Z  TRP      3.1     1.1    -      -       -      -
    163Z  GLU*     3.7    20.9    +      -       -      +
    164Z  GLU*     2.9    36.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 161 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    157Z  GLU*     3.1    39.8    +      -       +      +
    158Z  GLU*     3.2    38.0    +      -       -      +
    160Z  LYS*     1.3    75.2    -      -       -      +
    162Z  TRP*     1.3    61.2    +      -       -      +
    164Z  GLU*     3.9     5.4    -      -       -      +
    165Z  ASP*     3.1    24.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 162 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9H    T      5.0     0.9    -      -       -      -
     10H    C      2.8    31.4    +      -       -      -
     11H    C      5.5     3.8    +      -       -      -
    142Z  PRO*     3.4    20.3    -      -       +      +
    143Z  ARG      5.8     0.2    -      -       -      -
    144Z  TRP*     2.9    46.9    -      +       +      -
    158Z  GLU      2.9    12.6    +      -       -      +
    159Z  LYS*     3.1    19.1    -      -       +      +
    161Z  LYS*     1.3    74.3    -      -       -      +
    163Z  GLU*     1.3    80.7    +      -       +      +
    165Z  ASP*     3.1    15.2    +      -       +      +
    166Z  LYS*     3.0    51.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 163 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159Z  LYS*     2.9    44.1    +      -       -      +
    160Z  LYS*     3.5    26.8    +      -       -      +
    162Z  TRP*     1.3    87.6    -      -       +      +
    164Z  GLU*     1.3    62.4    +      -       -      +
    166Z  LYS*     3.5    13.7    +      -       -      +
    167Z  LYS*     3.4    20.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 164 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    160Z  LYS*     2.9    22.1    +      -       +      +
    161Z  LYS*     3.9     6.1    -      -       -      +
    163Z  GLU*     1.3    77.9    -      -       -      +
    165Z  ASP*     1.3    61.6    +      -       -      +
    167Z  LYS*     3.4    27.0    +      -       -      +
    168Z  LYS*     3.5    18.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 165 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     11H    C      2.9    45.6    +      -       -      -
    161Z  LYS      3.1    17.6    +      -       -      +
    162Z  TRP*     3.1     9.0    +      -       +      +
    164Z  GLU*     1.3    77.4    -      -       -      +
    166Z  LYS*     1.3    69.5    +      -       -      +
    168Z  LYS*     3.2    39.0    +      -       -      +
    169Z  ASP*     3.3     6.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 166 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10H    C      5.5     5.8    -      -       -      +
    162Z  TRP*     3.0    74.3    +      -       +      +
    163Z  GLU*     3.5    12.1    +      -       -      +
    164Z  GLU      3.3     0.2    -      -       -      -
    165Z  ASP*     1.3    82.2    -      -       -      +
    167Z  LYS*     1.3    65.5    +      -       -      +
    169Z  ASP*     3.1    25.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 167 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    163Z  GLU      3.4    10.3    +      -       -      +
    164Z  GLU*     3.7    23.1    -      -       -      +
    165Z  ASP      3.3     0.6    -      -       -      -
    166Z  LYS*     1.3    77.2    -      -       -      +
    168Z  LYS*     1.3    61.3    +      -       +      +
    169Z  ASP      3.4     4.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 168 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    109Z  LYS*     6.3     0.4    -      -       -      +
    164Z  GLU*     3.5    14.7    +      -       +      +
    165Z  ASP*     3.2    28.0    +      -       -      +
    166Z  LYS      3.1     0.6    -      -       -      -
    167Z  LYS*     1.3    76.5    -      -       -      +
    169Z  ASP*     1.3    62.8    +      -       -      +
    170Z  PRO*     3.2    11.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 169 (chain Z). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     11H    C      4.0    16.0    +      -       -      +
    101Z  GLU*     4.1     4.5    -      -       -      +
    119Z  LYS*     2.9    34.5    +      -       -      -
    165Z  ASP      3.3     5.8    +      -       -      +
    166Z  LYS*     3.1    23.3    +      -       +      +
    167Z  LYS      4.0     3.6    -      -       -      +
    168Z  LYS*     1.3    77.0    -      -       -      +
    170Z  PRO*     1.3    71.2    -      -       -      +
    171Z  LEU*     3.3    16.6    +      -       -      +
    172Z  ALA*     4.5     6.6    +      -       -      +
    173Z  LYS      5.2     1.0    +      -       -      -
----------------------------------------------------------
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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