Contacts of the helix formed by residues 205 - 217 (chain E) in PDB entry 2ZHX


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 ARG 205 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100E  GLU*     2.9    28.1    +      -       -      -
    103E  ALA*     3.8    29.9    +      -       -      +
    104E  ASP*     3.1    39.6    -      -       -      +
    203E  GLY*     3.4    23.5    -      -       -      +
    204E  SER*     1.3    76.9    -      -       -      +
    206E  PRO*     1.4    66.1    -      -       -      +
    208E  SER*     4.0     3.8    -      -       -      +
    209E  ARG*     3.0    34.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 206 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100E  GLU*     3.8    17.0    -      -       +      +
    104E  ASP*     3.9     2.2    -      -       -      +
    166E  ILE*     4.6     7.3    -      -       +      +
    168E  TRP*     4.3    28.0    -      -       +      +
    187E  ILE*     3.6    26.1    -      -       +      +
    201E  PHE*     4.5     2.5    -      -       +      -
    204E  SER*     3.3    18.2    -      -       -      +
    205E  ARG*     1.4    90.6    -      -       -      +
    207E  PHE*     1.3    79.2    +      -       +      +
    209E  ARG*     4.3     0.2    -      -       +      -
    210E  ALA*     2.8    30.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 207 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64E  ILE*     5.4     0.4    -      -       +      -
     97E  ILE*     3.7    27.8    -      -       +      -
    100E  GLU*     4.3     2.5    -      -       +      -
    101E  TYR*     3.1    47.1    -      +       +      -
    104E  ASP*     2.9    14.0    +      -       +      +
    105E  LEU*     4.0    11.4    -      -       +      -
    118E  TRP*     3.7    25.6    -      +       -      -
    166E  ILE*     5.4     3.6    -      -       +      -
    168E  TRP*     4.5    12.8    -      +       -      -
    201E  PHE*     5.5     0.7    -      +       -      -
    206E  PRO*     1.3    91.4    -      -       +      +
    208E  SER*     1.3    64.8    +      -       -      +
    210E  ALA*     3.4     2.8    +      -       -      +
    211E  ASN*     3.2    15.6    +      -       -      -
    224E  TRP*     3.1    59.2    +      +       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 208 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    104E  ASP*     2.5    31.8    +      -       -      -
    105E  LEU*     4.1    12.9    -      -       -      +
    205E  ARG*     3.5     8.0    +      -       -      +
    207E  PHE*     1.3    73.8    -      -       -      +
    209E  ARG*     1.3    64.7    +      -       -      +
    211E  ASN*     2.8     9.9    +      -       -      +
    212E  GLU*     2.8    48.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 209 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    187E  ILE*     3.8    41.3    -      -       +      +
    188E  GLU      4.4     9.9    +      -       -      -
    204E  SER*     2.8    34.2    +      -       -      +
    205E  ARG*     3.0    27.5    +      -       +      +
    206E  PRO*     4.0     4.5    -      -       +      +
    208E  SER*     1.3    80.4    +      -       -      +
    210E  ALA*     1.3    61.6    +      -       -      +
    212E  GLU*     3.9    14.4    -      -       -      +
    213E  LEU*     2.9    31.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 210 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     62E  VAL*     4.4    12.8    -      -       +      -
    164E  VAL*     3.7    26.8    -      -       +      +
    166E  ILE*     4.8     3.6    -      -       +      -
    187E  ILE*     4.6     1.3    -      -       -      +
    206E  PRO      2.8    21.8    +      -       -      +
    207E  PHE      3.4     6.7    -      -       -      +
    208E  SER      3.1     0.2    -      -       -      -
    209E  ARG*     1.3    76.1    -      -       -      +
    211E  ASN*     1.3    59.4    +      -       -      +
    213E  LEU*     3.2     3.9    +      -       -      +
    214E  LEU*     2.9    32.6    +      -       -      +
    224E  TRP*     4.3    15.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 211 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    105E  LEU*     5.6     1.8    -      -       -      +
    207E  PHE      3.2     8.2    +      -       -      +
    208E  SER*     2.8    11.7    +      -       -      +
    210E  ALA*     1.3    75.8    -      -       -      +
    212E  GLU*     1.3    58.9    +      -       +      +
    213E  LEU      3.0     1.1    -      -       -      -
    214E  LEU*     2.7    10.3    +      -       -      +
    215E  VAL*     2.7    39.4    +      -       +      +
    221E  PRO*     3.4    17.1    -      -       +      +
    222E  ILE*     2.6    50.9    +      -       -      +
    223E  ASP      5.2     0.2    +      -       -      -
    224E  TRP*     3.4    16.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 212 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208E  SER*     2.8    31.3    +      -       -      +
    209E  ARG*     3.9    18.5    +      -       -      +
    211E  ASN*     1.3    72.5    -      -       +      +
    213E  LEU*     1.3    55.6    +      -       -      +
    215E  VAL*     3.4     7.9    +      -       -      +
    216E  GLY*     2.8    27.7    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 213 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164E  VAL*     3.7    18.8    -      -       +      -
    185E  VAL*     3.9    37.2    -      -       +      -
    187E  ILE*     3.7    29.2    -      -       +      -
    209E  ARG*     2.9    23.5    +      -       +      +
    210E  ALA      3.3     4.9    -      -       -      +
    211E  ASN      3.0     0.2    -      -       -      -
    212E  GLU*     1.3    74.5    -      -       +      +
    214E  LEU*     1.3    65.5    +      -       -      +
    216E  GLY*     3.3     3.3    +      -       -      -
    217E  MET*     3.1    30.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 214 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61E  ARG*     3.5    33.0    -      -       +      +
     62E  VAL*     3.7    24.0    -      -       +      -
    162E  PRO*     4.8     6.3    -      -       +      +
    164E  VAL*     3.8    13.9    -      -       +      +
    210E  ALA      2.9    15.7    +      -       -      +
    211E  ASN*     2.7    26.3    +      -       -      +
    213E  LEU*     1.3    69.5    -      -       -      +
    215E  VAL*     1.3    66.5    +      -       -      +
    217E  MET*     2.7    22.0    +      -       +      +
    218E  GLY      3.1     7.6    +      -       -      -
    219E  ALA*     3.1    23.9    +      -       +      +
    220E  GLU      3.7    23.6    -      -       -      +
    221E  PRO*     4.6     0.4    -      -       +      -
    222E  ILE*     4.1     4.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 215 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211E  ASN*     2.7    24.5    +      -       +      +
    212E  GLU*     3.8     7.2    -      -       -      +
    214E  LEU*     1.3    72.6    -      -       -      +
    216E  GLY*     1.3    55.8    +      -       -      +
    218E  GLY*     2.6    25.8    +      -       -      -
    219E  ALA      3.7     8.1    -      -       -      +
    221E  PRO*     4.1    32.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 216 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212E  GLU      2.8    17.7    +      -       -      -
    213E  LEU*     3.6     4.0    -      -       -      -
    214E  LEU      3.1     0.4    -      -       -      -
    215E  VAL*     1.3    78.6    -      -       -      +
    217E  MET*     1.3    58.5    +      -       -      +
    218E  GLY      3.3     0.8    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 217 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162E  PRO*     3.6    33.2    -      -       +      +
    163E  LEU      4.5     2.5    -      -       -      +
    164E  VAL*     3.9    20.9    -      -       +      -
    183E  ASN*     3.5    27.4    -      -       -      +
    185E  VAL*     4.0    22.7    -      -       +      -
    213E  LEU*     3.1    30.0    +      -       +      +
    214E  LEU*     2.7    10.4    +      -       +      +
    216E  GLY*     1.3    80.1    -      -       -      +
    218E  GLY*     1.3    60.5    +      -       -      +
    219E  ALA      3.3     1.0    +      -       -      -
----------------------------------------------------------
 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