Contacts of the helix formed by residues 13 - 26 (chain A) in PDB entry 2WJP


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 LEU 13 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12A  GLY*     1.3    73.8    -      -       -      +
     14A  GLY*     1.3    71.1    +      -       -      +
     16A  THR*     5.0     0.3    -      -       -      -
     17A  GLY*     3.0    24.3    +      -       -      +
     18A  LEU*     3.9    31.6    -      -       +      +
     21A  VAL*     4.6     2.0    -      -       +      -
     33A  VAL*     4.1    22.4    -      -       +      -
     35A  ASP*     2.9    17.6    +      -       +      +
     37A  ARG*     4.0     6.0    +      -       -      +
     40A  PRO*     4.2    10.3    -      -       +      -
     41A  PRO      3.6     5.8    -      -       -      +
     42A  GLY      3.6     4.3    -      -       -      +
     43A  LEU*     3.6    46.7    -      -       +      +
     46A  LEU*     4.2    17.0    -      -       +      -
     71A  SER*     5.5     1.4    +      -       -      -
   1441A  D17      5.7     3.6    -      -       -      -
   1451A  SO4      3.9     3.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 14 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13A  LEU*     1.3    79.3    -      -       -      +
     15A  LEU*     1.3    61.3    +      -       -      -
     16A  THR      3.2     0.2    -      -       -      -
     18A  LEU*     2.9    36.9    +      -       -      +
     37A  ARG*     4.6     1.5    -      -       -      +
     41A  PRO*     2.9    35.7    +      -       -      +
     42A  GLY*     5.3     0.2    -      -       -      -
   1451A  SO4      3.7     8.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 15 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14A  GLY*     1.3    72.1    -      -       -      -
     16A  THR*     1.3    58.3    +      -       -      +
     18A  LEU*     3.3    14.0    +      -       +      +
     19A  SER*     2.9    27.0    +      -       -      -
     45A  LYS*     6.5     1.1    -      -       +      -
    140A  GLY      5.1     4.3    -      -       -      +
    141A  LEU*     5.3     5.4    -      -       +      -
    142A  PRO*     3.6    27.8    -      -       +      +
    145A  MET*     4.4    16.6    -      -       +      +
   1451A  SO4      2.9    21.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 16 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13A  LEU      5.0     0.2    -      -       -      -
     15A  LEU*     1.3    69.7    -      -       -      +
     17A  GLY*     1.3    64.4    +      -       -      +
     19A  SER*     2.7    24.2    +      -       -      +
     20A  CYS*     3.0    11.3    +      -       -      -
     71A  SER*     6.2     1.6    -      -       -      -
     72A  PRO*     5.2    13.0    -      -       +      -
     94A  ASP*     3.3    37.0    -      -       +      +
    137A  GLY      5.3     1.9    +      -       -      -
    142A  PRO*     3.7    15.0    -      -       +      +
    162A  GLN*     6.0     1.6    -      -       -      +
   1451A  SO4      2.6    35.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 17 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  ILE*     4.2     7.3    -      -       -      +
     12A  GLY      3.3    17.3    -      -       -      -
     13A  LEU*     3.0    29.7    +      -       -      -
     16A  THR*     1.3    77.4    -      -       -      +
     18A  LEU*     1.3    61.2    +      -       -      +
     20A  CYS*     3.1     9.1    +      -       -      +
     21A  VAL*     3.0    24.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 18 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13A  LEU*     3.9    19.3    -      -       +      +
     14A  GLY      2.9    24.2    +      -       -      +
     15A  LEU*     3.6    15.5    -      -       +      +
     17A  GLY*     1.3    75.8    -      -       -      +
     19A  SER*     1.3    61.6    +      -       -      +
     21A  VAL*     3.3     5.7    +      -       +      +
     22A  ASP*     3.0    34.9    +      -       -      +
     42A  GLY*     3.9    33.9    -      -       -      +
     45A  LYS*     4.1    22.0    -      -       +      +
     46A  LEU*     4.0    25.6    -      -       +      +
     47A  PRO*     5.1     2.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 19 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     15A  LEU      2.9    13.9    +      -       -      -
     16A  THR*     2.7    24.2    +      -       -      +
     18A  LEU*     1.3    76.7    -      -       -      +
     20A  CYS*     1.3    57.1    +      -       -      +
     22A  ASP*     3.5     7.1    +      -       -      +
     23A  PHE*     3.0    28.1    +      -       -      +
     94A  ASP*     4.9     0.7    +      -       -      -
    142A  PRO*     3.8    11.0    -      -       -      +
    144A  LEU*     4.0    22.1    -      -       -      +
    145A  MET*     3.8    29.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with CYS 20 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  ILE*     3.7    23.3    -      -       +      -
     16A  THR*     3.0    20.3    +      -       -      -
     17A  GLY*     3.1     9.4    +      -       -      +
     19A  SER*     1.3    75.5    +      -       -      +
     21A  VAL*     1.3    65.6    +      -       -      +
     23A  PHE*     3.2     2.2    +      -       -      +
     24A  PHE*     3.1    33.0    +      -       +      -
     69A  VAL*     3.9    20.9    -      -       +      -
     94A  ASP*     3.7    28.3    -      -       -      -
     97A  LEU*     4.4     1.6    -      -       -      -
    144A  LEU*     4.0    13.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 21 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  ILE*     3.5    13.6    -      -       +      +
     13A  LEU*     4.6     1.3    -      -       +      -
     17A  GLY      3.0    20.1    +      -       -      +
     18A  LEU*     3.5    10.3    -      -       +      +
     20A  CYS*     1.3    75.1    -      -       -      +
     22A  ASP*     1.3    63.1    +      -       -      +
     24A  PHE*     3.3     2.3    +      -       -      +
     25A  LEU*     3.0    49.3    +      -       +      +
     31A  PRO*     4.2     6.4    -      -       +      +
     33A  VAL*     3.6    30.1    -      -       +      -
     46A  LEU*     3.7    16.6    -      -       +      -
     47A  PRO*     4.5     4.0    -      -       +      -
     50A  VAL*     4.0    17.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 22 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     18A  LEU*     3.0    27.4    +      -       -      +
     19A  SER*     3.9     7.2    -      -       -      +
     21A  VAL*     1.3    83.8    -      -       -      +
     23A  PHE*     1.3    63.9    +      -       -      +
     25A  LEU*     3.9    11.7    -      -       -      +
     26A  ALA*     3.0    27.5    +      -       -      +
     47A  PRO*     4.9     8.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 23 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3A  TYR*     3.9    24.2    -      +       -      -
     19A  SER      3.0    17.9    +      -       -      +
     20A  CYS      3.2     5.1    +      -       -      +
     22A  ASP*     1.3    78.6    -      -       -      +
     24A  PHE*     1.3    85.3    +      +       -      +
     26A  ALA*     3.6     4.2    +      -       -      +
     27A  ARG*     3.4    56.2    +      -       -      +
     97A  LEU*     4.3    18.6    -      -       +      -
    101A  GLU*     3.9    25.1    -      -       +      -
    144A  LEU*     3.9    31.4    -      -       +      -
    147A  LEU*     4.5     8.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 24 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3A  TYR*     3.7    34.5    -      +       +      -
      8A  VAL*     3.8    32.3    -      -       +      -
     10A  ILE*     4.2     9.2    -      -       +      -
     20A  CYS*     3.1    24.8    +      -       +      -
     21A  VAL      3.9     4.3    -      -       -      +
     23A  PHE*     1.3    83.0    -      +       -      +
     25A  LEU*     1.3    66.4    +      -       -      +
     27A  ARG*     3.0    12.6    +      -       -      +
     28A  GLY      3.3     0.2    +      -       -      -
     29A  VAL*     3.0    51.6    +      -       +      +
     31A  PRO*     4.2     8.5    -      -       +      -
     67A  LEU*     4.0     7.4    -      -       +      -
     69A  VAL*     3.9     7.9    -      -       +      -
     97A  LEU*     3.8    38.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 25 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21A  VAL*     3.0    40.7    +      -       +      +
     22A  ASP*     3.4    10.5    +      -       -      +
     24A  PHE*     1.3    75.4    -      -       -      +
     26A  ALA*     1.3    58.6    +      -       -      +
     27A  ARG      3.0     0.2    -      -       -      -
     28A  GLY*     2.9    19.8    +      -       -      -
     29A  VAL      3.4    13.2    -      -       -      +
     30A  THR*     4.0    25.8    -      -       +      +
     31A  PRO*     4.1     4.7    -      -       +      -
     47A  PRO*     4.1    16.8    -      -       +      -
     49A  ALA*     6.4     2.0    -      -       +      -
     50A  VAL*     4.1    12.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 26 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     22A  ASP      3.0    18.8    +      -       -      +
     23A  PHE*     4.0     6.1    -      -       -      +
     24A  PHE      3.2     0.2    -      -       -      -
     25A  LEU*     1.3    76.8    -      -       -      +
     27A  ARG*     1.3    61.4    +      -       +      +
     28A  GLY      3.4     1.1    +      -       -      -
----------------------------------------------------------
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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