Contacts of the helix formed by residues 200 - 214 (chain A) in PDB entry 3K4H


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 ASP 200 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25A  ASN*     3.2    12.6    +      -       -      +
     26A  PRO*     5.8     0.2    -      -       -      +
    174A  PHE*     3.4    27.1    -      -       +      -
    198A  ALA*     3.2     3.9    +      -       -      +
    199A  THR*     1.3    81.7    +      -       -      +
    201A  ASP*     1.3    59.3    +      -       -      +
    202A  LEU*     2.6    39.7    +      -       -      +
    203A  ILE*     2.8    29.3    +      -       +      +
    204A  GLY      3.0     8.0    +      -       -      -
    226A  SER*     3.8     5.2    -      -       -      -
    227A  PHE      3.9     4.9    -      -       -      -
    228A  ASN*     3.6     7.5    -      -       -      +
      1C  GLC      2.7    32.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 201 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26A  PRO*     6.2     0.7    -      -       +      -
    200A  ASP*     1.3    73.5    +      -       -      +
    202A  LEU*     1.3    56.5    +      -       +      +
    204A  GLY*     3.5     1.7    -      -       -      +
    205A  LEU*     2.7    39.6    +      -       +      +
    226A  SER*     2.1    36.5    +      -       -      -
    227A  PHE      2.8    19.1    +      -       -      +
    228A  ASN*     4.2     2.9    -      -       +      +
    229A  ASN      3.0     6.1    +      -       -      -
    230A  ALA*     2.7    43.9    +      -       +      -
    233A  SER*     3.2    20.8    -      -       -      -
    240A  LEU*     4.0     2.9    -      -       +      +
    242A  THR*     2.7    11.7    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 202 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24A  GLN*     4.0    21.5    -      -       +      +
     25A  ASN*     4.1    19.5    -      -       +      +
     26A  PRO*     4.4    16.6    -      -       +      -
    174A  PHE      3.8    16.8    -      -       -      +
    175A  SER*     4.0    20.9    -      -       -      +
    176A  ARG*     3.5    35.1    -      -       +      +
    200A  ASP*     2.6    20.0    +      -       -      +
    201A  ASP*     1.3    74.0    -      -       +      +
    203A  ILE*     1.3    55.9    +      -       -      +
    205A  LEU*     3.4     7.6    +      -       +      +
    206A  GLY      3.2    20.4    +      -       -      -
    232A  LEU*     4.9    14.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 203 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    137A  ILE*     3.6    31.9    -      -       +      +
    138A  GLY      4.1    22.0    -      -       -      +
    173A  ASP      4.2     4.7    -      -       -      +
    174A  PHE*     3.8    43.5    -      -       +      -
    175A  SER      3.9     9.4    -      -       -      +
    178A  SER*     4.7     1.3    -      -       -      -
    179A  GLY*     3.7    17.2    -      -       -      +
    198A  ALA*     4.3     6.1    -      -       +      -
    199A  THR*     4.2     6.7    -      -       -      +
    200A  ASP*     2.8    15.7    +      -       +      +
    202A  LEU*     1.3    73.4    -      -       -      +
    204A  GLY*     1.3    61.6    +      -       -      +
    206A  GLY      3.3     0.3    +      -       -      -
    207A  VAL*     2.8    39.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 204 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198A  ALA*     4.0    14.0    -      -       -      +
    200A  ASP      3.0    11.5    +      -       -      -
    201A  ASP      3.0     4.7    +      -       -      -
    203A  ILE*     1.3    76.5    -      -       -      +
    205A  LEU*     1.3    61.5    +      -       -      +
    207A  VAL*     3.1     6.6    +      -       -      +
    208A  LEU*     3.0    25.3    +      -       -      +
    224A  ILE*     4.6     8.3    -      -       -      +
    226A  SER*     4.4    10.5    -      -       -      -
    240A  LEU*     4.5     9.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 205 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176A  ARG*     5.2    10.5    -      -       -      -
    201A  ASP*     2.7    29.5    +      -       +      +
    202A  LEU*     3.9    10.5    -      -       +      +
    203A  ILE      3.2     0.2    -      -       -      -
    204A  GLY*     1.3    72.7    -      -       -      +
    206A  GLY*     1.3    54.2    +      -       -      +
    208A  LEU*     3.3    11.4    -      -       +      +
    209A  SER*     2.8    31.9    +      -       -      -
    230A  ALA*     5.5     0.7    -      -       +      -
    232A  LEU*     3.5    44.2    -      -       +      +
    233A  SER*     4.4     2.9    -      -       -      +
    236A  ALA*     3.5    31.9    -      -       +      -
    240A  LEU*     4.2    14.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 206 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176A  ARG*     3.7    29.3    -      -       -      +
    179A  GLY      3.9     7.2    -      -       -      -
    180A  GLN*     3.9     6.7    -      -       -      +
    202A  LEU      3.2    11.3    +      -       -      -
    203A  ILE      3.3     2.4    +      -       -      -
    204A  GLY      3.2     0.2    -      -       -      -
    205A  LEU*     1.3    76.8    -      -       -      +
    207A  VAL*     1.3    64.0    +      -       -      +
    209A  SER*     3.3     5.7    +      -       -      -
    210A  ALA*     3.0    25.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 207 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    137A  ILE*     3.5    29.8    -      -       +      -
    179A  GLY*     3.6    20.2    -      -       -      +
    183A  VAL*     3.5    13.7    -      -       +      +
    196A  ILE*     4.3    15.5    -      -       +      -
    198A  ALA*     5.3     1.6    -      -       +      -
    203A  ILE*     2.8    27.5    +      -       +      +
    204A  GLY*     3.5     7.2    -      -       -      +
    206A  GLY*     1.3    75.0    -      -       -      +
    208A  LEU*     1.3    53.8    +      -       -      +
    210A  ALA*     3.0     4.5    +      -       -      +
    211A  LEU*     2.8    43.6    +      -       +      +
    224A  ILE*     3.9    24.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 208 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204A  GLY      3.0    10.7    +      -       -      +
    205A  LEU*     3.3    17.9    -      -       +      +
    207A  VAL*     1.3    76.5    -      -       -      +
    209A  SER*     1.3    63.5    +      -       -      +
    211A  LEU*     3.4     4.3    +      -       -      +
    212A  SER*     3.1    31.3    +      -       -      +
    218A  VAL*     3.7    34.1    -      -       +      -
    224A  ILE*     3.8    15.3    -      -       +      -
    236A  ALA*     4.1    16.8    -      -       +      -
    237A  SER      4.0    24.2    -      -       -      +
    238A  PRO*     4.1    18.8    -      -       +      +
    240A  LEU*     4.6     9.0    -      -       +      -
    283A  THR*     4.9     2.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 209 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    180A  GLN*     5.0     9.2    +      -       -      -
    205A  LEU      2.8    17.2    +      -       -      -
    206A  GLY*     3.3     7.2    +      -       -      -
    208A  LEU*     1.3    77.7    -      -       -      +
    210A  ALA*     1.3    59.6    +      -       -      +
    212A  SER*     3.1     6.6    +      -       -      -
    213A  LYS*     2.8    29.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 210 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    180A  GLN*     3.7    25.8    -      -       +      +
    183A  VAL*     3.6    25.1    -      -       +      -
    206A  GLY      3.0    16.5    +      -       -      +
    207A  VAL      3.0     4.6    +      -       -      +
    209A  SER*     1.3    77.9    -      -       -      +
    211A  LEU*     1.3    62.9    +      -       -      +
    213A  LYS*     3.2     7.5    +      -       -      +
    214A  LYS*     3.2    29.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 211 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    183A  VAL*     3.6    26.7    -      -       +      -
    187A  MSE      3.8    28.3    -      -       +      -
    196A  ILE*     4.6     1.6    -      -       +      -
    207A  VAL*     2.8    32.2    +      -       +      +
    208A  LEU*     3.8     4.9    -      -       -      +
    210A  ALA*     1.3    77.5    -      -       -      +
    212A  SER*     1.3    58.9    +      -       -      +
    214A  LYS      3.4     0.3    +      -       -      -
    215A  GLY      3.4     2.1    +      -       -      -
    216A  PHE*     2.9    53.2    +      -       +      +
    218A  VAL*     4.0    19.1    -      -       +      -
    222A  VAL*     3.9    31.9    -      -       +      -
    224A  ILE*     4.3     1.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 212 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208A  LEU*     3.1    25.9    +      -       -      +
    209A  SER*     3.6     6.3    -      -       -      -
    211A  LEU*     1.3    76.5    -      -       -      +
    213A  LYS*     1.3    65.1    +      -       -      +
    214A  LYS      3.1     1.3    -      -       -      -
    215A  GLY*     3.1    12.5    +      -       -      -
    216A  PHE      3.9    13.4    +      -       -      -
    217A  VAL*     5.5     0.2    -      -       -      -
    218A  VAL*     5.4     4.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 213 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    209A  SER      2.8    16.4    +      -       -      +
    210A  ALA*     3.2     9.4    +      -       -      +
    212A  SER*     1.3    77.8    -      -       -      +
    214A  LYS*     1.3    63.4    +      -       +      +
    215A  GLY*     3.2     1.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 214 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    183A  VAL*     4.2    16.2    +      -       +      -
    184A  GLU*     3.3    53.8    +      -       -      +
    187A  MSE      4.7     9.3    -      -       +      +
    188A  GLY*     5.3     1.0    -      -       -      +
    210A  ALA*     3.2    14.8    +      -       -      +
    211A  LEU      3.4     0.4    +      -       -      -
    212A  SER      3.1     0.8    -      -       -      -
    213A  LYS*     1.3    80.5    -      -       +      +
    215A  GLY*     1.3    60.3    +      -       -      +
    216A  PHE*     3.4    30.8    +      -       +      -
----------------------------------------------------------
 Back to top of page


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