Contacts of the helix formed by residues 202 - 214 (chain E) in PDB entry 2PGW


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 202 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    200E  GLY      4.3     0.2    +      -       -      -
    201E  TRP*     1.3    77.0    -      -       -      +
    203E  VAL*     1.3    65.7    +      -       -      +
    204E  HIS*     3.5    11.9    +      -       -      -
    205E  ASP*     3.4    29.6    +      -       -      +
    206E  ALA*     2.9    20.4    +      -       -      +
    225E  THR*     4.5     0.9    -      -       -      -
    292H  GLY      5.7     1.1    -      -       -      -
    294H  LYS*     4.0    39.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 203 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202E  SER*     1.3    74.8    -      -       -      +
    204E  HIS*     1.3    61.7    +      -       -      +
    206E  ALA*     3.3     2.8    +      -       -      +
    207E  ILE*     3.1    26.6    +      -       +      +
    225E  THR*     4.4     5.0    -      -       +      +
    232E  ALA*     4.4    15.7    -      -       +      +
    235E  HIS*     3.7    20.9    -      -       +      +
    236E  VAL*     4.0    19.8    -      -       +      +
    263H  ARG*     4.5     2.7    -      -       -      +
    266H  ASP*     3.7    36.3    +      -       +      +
    292H  GLY      3.5    24.7    +      -       -      +
    293H  LEU*     3.8    11.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 204 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202E  SER*     3.4    11.4    +      -       -      -
    203E  VAL*     1.3    78.8    -      -       -      +
    205E  ASP*     1.3    86.3    +      -       -      +
    207E  ILE*     3.4     7.4    +      -       -      +
    208E  ASN*     3.0    28.4    +      -       -      -
   2500E  GOL      3.6     9.6    -      -       -      -
    192H  ARG*     5.8     0.2    -      -       -      -
    194H  ARG*     4.7     0.4    -      -       -      -
    219H  GLU*     2.9    46.9    +      -       +      +
    220H  PHE*     4.0    12.0    -      +       +      -
    243H  PRO*     3.8    18.3    -      -       +      +
    245H  VAL*     5.7     0.7    -      -       +      -
    266H  ASP*     3.9    16.6    +      -       +      +
    267H  MSE      4.4    26.4    -      -       +      +
    294H  LYS*     6.1     1.8    -      -       +      +
    321H  ASP*     4.6     7.0    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 205 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201E  TRP*     4.3    12.5    -      -       +      -
    202E  SER*     3.3    28.1    +      -       -      +
    204E  HIS*     1.3    92.1    +      -       -      +
    206E  ALA*     1.3    60.7    +      -       -      +
    208E  ASN*     3.4     0.3    +      -       -      +
    209E  MSE      2.8    38.4    +      -       +      +
   2500E  GOL      2.8    32.2    +      -       -      -
    192H  ARG*     5.9     0.2    +      -       -      -
    219H  GLU*     4.3     1.4    -      -       -      +
    294H  LYS*     5.3     4.2    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 206 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201E  TRP*     3.8    29.1    -      -       +      +
    202E  SER      2.9    18.6    +      -       -      +
    203E  VAL      3.5     5.8    -      -       -      +
    205E  ASP*     1.3    77.5    -      -       -      +
    207E  ILE*     1.3    61.9    +      -       -      +
    209E  MSE      4.0     0.7    -      -       -      +
    210E  CYS*     3.0    32.0    +      -       -      -
    224E  PRO*     4.2     8.7    -      -       +      -
    225E  THR*     4.4     2.7    -      -       +      -
    236E  VAL*     3.9    23.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 207 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    203E  VAL*     3.1    21.6    +      -       +      +
    204E  HIS*     3.6     7.4    -      -       -      +
    205E  ASP      3.2     0.2    -      -       -      -
    206E  ALA*     1.3    77.5    -      -       -      +
    208E  ASN*     1.3    63.1    +      -       -      +
    210E  CYS*     3.8     2.9    -      -       -      +
    211E  ARG*     3.3    20.9    +      -       -      +
    235E  HIS*     4.8     1.8    -      -       +      +
    236E  VAL*     4.5     7.9    -      -       +      -
    239E  LYS*     4.1    36.6    -      -       +      +
    240E  VAL*     3.7    16.9    -      -       +      +
    241H  GLY      4.2    14.6    -      -       -      +
    243H  PRO*     3.7    18.8    -      -       +      -
    266H  ASP*     3.5    33.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 208 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204E  HIS*     3.0    17.3    +      -       -      +
    205E  ASP      3.9     0.2    -      -       -      +
    207E  ILE*     1.3    75.0    -      -       -      +
    209E  MSE      1.3    64.6    +      -       -      +
    211E  ARG*     3.2    29.5    +      -       -      +
    212E  LYS*     3.1    29.6    +      -       -      +
   2500E  GOL      2.7    41.3    +      -       -      +
    218H  ILE      4.1     3.5    -      -       -      +
    219H  GLU*     2.9    29.7    +      -       -      +
    241H  GLY      5.0     0.2    -      -       -      +
    243H  PRO*     3.2    22.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MSE 209 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174E  GLU*     3.6    30.7    -      -       +      +
    177E  ASP*     3.6    36.8    -      -       +      +
    178E  LEU*     4.4     7.0    -      -       +      -
    201E  TRP*     3.7    35.2    -      -       +      +
    205E  ASP*     2.8    26.5    +      -       +      +
    206E  ALA      4.0     1.6    -      -       -      +
    208E  ASN*     1.3    72.0    -      -       -      +
    210E  CYS*     1.3    63.6    +      -       -      +
    212E  LYS*     3.2     5.8    +      -       -      +
    213E  LEU*     2.9    48.7    +      -       +      +
   2500E  GOL      3.3    25.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 210 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201E  TRP*     4.7     5.6    -      -       -      -
    206E  ALA*     3.0    26.5    +      -       -      +
    208E  ASN      3.3     0.2    -      -       -      -
    209E  MSE      1.3    75.8    -      -       -      +
    211E  ARG*     1.3    63.9    +      -       -      +
    213E  LEU      3.2     0.7    +      -       -      +
    214E  GLU*     3.0    28.8    +      -       -      +
    221E  ILE*     3.6    26.7    -      -       -      -
    224E  PRO*     5.6     0.9    -      -       -      -
    236E  VAL*     5.2     1.8    -      -       -      -
    240E  VAL*     3.5    39.0    -      -       +      -
    241E  GLY      5.3     0.4    -      -       -      +
    242E  ILE*     3.3    16.4    -      -       +      +
    244E  ILE*     4.5    10.5    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 211 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207E  ILE*     3.3    10.2    +      -       -      +
    208E  ASN*     3.2    30.1    +      -       -      +
    209E  MSE      3.2     0.6    -      -       -      -
    210E  CYS*     1.3    81.8    -      -       -      +
    212E  LYS*     1.3    82.2    +      -       -      +
    213E  LEU      3.3     0.5    +      -       -      -
    214E  GLU*     3.5    29.9    +      -       -      +
    215E  LYS*     4.7     1.6    +      -       -      +
    240E  VAL*     5.5     0.2    -      -       -      +
   2500E  GOL      5.8     0.2    +      -       -      -
    214H  GLU*     4.8    24.4    +      -       -      +
    217H  ASP*     3.4    27.6    +      -       -      +
    218H  ILE      4.4     8.9    +      -       -      +
    241H  GLY      4.9    12.2    +      -       -      -
    242H  ILE*     6.2     0.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 212 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174E  GLU*     2.8    48.2    +      -       +      +
    178E  LEU*     3.6    26.8    -      -       +      +
    208E  ASN*     3.1    18.1    +      -       -      +
    209E  MSE      3.2     8.3    +      -       -      +
    211E  ARG*     1.3    96.8    -      -       -      +
    213E  LEU*     1.3    57.8    +      -       -      +
    214E  GLU      3.5     0.2    -      -       -      -
    215E  LYS*     3.4    25.9    -      -       -      +
    216E  TYR*     4.1     0.2    -      -       -      -
   2500E  GOL      3.5    15.0    +      -       -      +
    217H  ASP*     3.1    36.7    +      -       -      -
----------------------------------------------------------
 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
----------------------------------------------------------
    170E  VAL*     5.2     2.7    -      -       +      -
    177E  ASP*     4.5     4.0    -      -       +      +
    178E  LEU*     3.8    17.7    -      -       +      -
    181E  THR*     3.5    33.9    -      -       +      +
    195E  LEU*     4.0    22.9    -      -       +      -
    201E  TRP*     3.9    28.0    -      -       +      -
    209E  MSE      2.9    34.5    +      -       +      +
    210E  CYS      3.9     3.1    -      -       -      +
    211E  ARG      3.2     0.2    -      -       -      -
    212E  LYS*     1.3    76.8    -      -       -      +
    214E  GLU*     1.3    63.5    +      -       -      +
    215E  LYS      3.1     3.1    -      -       -      -
    216E  TYR*     3.0    24.0    +      -       +      +
    218E  ILE*     3.7     5.9    -      -       +      +
    221E  ILE*     4.1     5.6    -      -       +      -
    242E  ILE*     4.4    10.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 214 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211A  ARG*     5.1    14.4    +      -       -      -
    210E  CYS      3.0    24.4    +      -       -      +
    211E  ARG*     3.5    25.7    +      -       -      +
    213E  LEU*     1.3    76.9    -      -       -      +
    215E  LYS*     1.3    62.4    +      -       -      +
    216E  TYR      3.0     1.6    +      -       -      -
    217E  ASP*     3.1    14.6    +      -       -      +
    218E  ILE*     4.6     2.1    +      -       -      +
    241E  GLY*     3.9    26.6    +      -       -      -
    242E  ILE*     3.9    20.6    -      -       +      -
----------------------------------------------------------
 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