Contacts of the helix formed by residues 435 - 455 (chain A) in PDB entry 3E7G


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 435 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    374A  MET*     4.4     0.2    -      -       -      -
    375A  GLY*     4.7     1.6    -      -       -      +
    423A  LEU*     3.7    34.2    -      -       +      +
    434A  MET*     1.3    79.5    -      -       -      +
    436A  HIS*     1.3    64.7    +      -       -      +
    437A  HIS*     2.8    35.0    +      -       -      +
    438A  SER*     2.6    29.8    +      -       -      -
    439A  ALA*     3.1    18.0    +      -       -      +
    406B  LEU*     4.2     1.6    -      -       -      +
    407B  ALA*     3.8    29.9    +      -       +      +
    409B  LEU*     4.4     5.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 436 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201A  ILE*     5.3     0.2    -      -       -      +
    374A  MET*     3.9    17.5    -      -       -      +
    375A  GLY      5.3     0.4    -      -       -      +
    376A  THR*     3.5    28.6    +      -       +      +
    419A  ASN*     5.9     0.4    -      -       +      -
    423A  LEU*     5.8     1.0    -      -       +      +
    434A  MET      3.9     0.4    +      -       -      -
    435A  ASP*     1.3    70.8    -      -       -      +
    437A  HIS*     1.3    83.2    +      +       -      +
    439A  ALA*     3.8     1.5    -      -       -      +
    440A  ALA*     3.0    28.1    +      -       -      +
    466A  PRO*     3.8    26.6    -      -       +      +
    468A  MET*     4.0    26.3    -      -       +      +
    469A  SER*     4.1     2.4    -      -       -      -
    473A  THR*     4.3     6.9    -      -       +      +
    409B  LEU*     3.7    22.7    -      -       +      +
    412B  ASP*     2.9    28.8    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 437 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    435A  ASP*     2.8    15.4    +      -       -      +
    436A  HIS*     1.3    95.6    +      +       -      +
    438A  SER*     1.3    61.5    +      -       -      +
    440A  ALA*     3.2     6.5    +      -       -      +
    441A  GLU*     2.9    34.8    +      -       +      +
    469A  SER*     4.6     1.3    -      -       -      -
    472A  ILE*     3.9    27.4    +      -       +      +
    473A  THR*     4.1    12.8    -      -       +      +
    474A  PRO*     5.3     0.8    -      -       -      +
    406B  LEU*     3.9    33.2    -      -       +      -
    409B  LEU*     4.1     9.0    -      -       +      -
    411B  LYS*     4.1    18.9    +      -       +      +
    412B  ASP*     2.8    31.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 438 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    434A  MET*     4.5    14.3    -      -       -      +
    435A  ASP*     2.6    32.2    +      -       -      -
    437A  HIS*     1.3    72.0    -      -       -      +
    439A  ALA*     1.3    67.8    +      -       -      +
    441A  GLU*     3.2     6.7    +      -       -      +
    442A  SER*     2.9    25.3    +      -       -      -
    406B  LEU*     4.0    19.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 439 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201A  ILE*     4.1    17.3    -      -       +      +
    202A  GLY*     6.4     0.2    -      -       -      -
    374A  MET*     3.6    27.4    -      -       -      -
    434A  MET*     3.9    20.8    -      -       +      +
    435A  ASP      3.1    15.7    +      -       -      +
    436A  HIS      3.8     1.3    -      -       -      +
    438A  SER*     1.3    78.4    -      -       -      +
    440A  ALA*     1.3    62.6    +      -       -      +
    442A  SER*     3.0    10.5    +      -       -      -
    443A  PHE*     3.0    22.9    +      -       -      +
    901A  HEM      6.2     0.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 440 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201A  ILE*     4.1    11.6    -      -       +      +
    436A  HIS      3.0    19.0    +      -       -      +
    437A  HIS      3.2     5.1    +      -       -      +
    439A  ALA*     1.3    76.7    -      -       -      +
    441A  GLU*     1.3    61.7    +      -       -      +
    443A  PHE*     3.2     4.3    +      -       -      +
    444A  MET*     3.1    24.8    +      -       -      +
    466A  PRO*     5.2     1.1    -      -       +      -
    473A  THR*     3.6    28.7    -      -       +      -
    474A  PRO*     4.0     9.0    -      -       +      -
    475A  VAL*     4.0    14.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 441 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    437A  HIS*     2.9    18.8    +      -       -      +
    438A  SER*     3.7     5.9    -      -       -      +
    440A  ALA*     1.3    75.0    -      -       -      +
    442A  SER*     1.3    64.1    +      -       -      +
    444A  MET*     3.1    14.3    +      -       -      +
    445A  LYS*     3.3    16.2    +      -       -      +
    474A  PRO*     4.4    17.3    -      -       +      -
    406B  LEU*     3.7    30.2    -      -       -      +
    411B  LYS*     5.0     6.1    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 442 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201A  ILE      4.7     4.3    +      -       -      -
    202A  GLY*     5.6     1.0    -      -       -      -
    204A  ILE*     3.5    36.5    -      -       -      +
    434A  MET*     4.4    11.3    -      -       -      +
    438A  SER      2.9    14.5    +      -       -      -
    439A  ALA*     3.0    13.5    +      -       -      -
    441A  GLU*     1.3    76.5    -      -       -      +
    443A  PHE*     1.3    66.8    +      -       -      +
    445A  LYS*     3.1    11.8    +      -       -      +
    446A  TYR*     3.0    19.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 443 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    200A  CYS      3.9     7.9    -      -       -      -
    201A  ILE*     3.5    35.4    -      -       +      +
    203A  ARG*     3.5    32.1    -      -       +      -
    204A  ILE*     5.6     0.9    -      -       -      -
    439A  ALA      3.0    14.0    +      -       -      +
    440A  ALA      3.5     8.5    -      -       -      +
    441A  GLU      3.2     0.4    -      -       -      -
    442A  SER*     1.3    79.5    +      -       -      +
    444A  MET*     1.3    58.0    +      -       -      +
    446A  TYR*     3.3    27.9    +      +       -      +
    447A  MET*     2.8    46.5    +      -       +      +
    457A  CYS*     4.4     8.5    -      -       -      -
    459A  ALA*     4.4     2.0    -      -       +      -
    464A  LEU*     3.6    22.0    -      -       +      -
    475A  VAL*     3.7    19.3    -      -       +      -
    480A  MET*     4.4     6.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 444 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     89A  ASN*     3.5    25.1    -      -       -      +
     96A  PHE*     5.5     5.1    -      -       +      -
    440A  ALA      3.1    13.1    +      -       -      +
    441A  GLU*     3.1     9.9    +      -       -      +
    443A  PHE*     1.3    80.8    -      -       -      +
    445A  LYS*     1.3    61.1    +      -       +      +
    447A  MET*     3.5     8.7    +      -       -      +
    448A  GLN*     3.1    24.4    +      -       -      +
    474A  PRO*     3.7    24.5    -      -       +      +
    475A  VAL*     3.9    29.2    -      -       -      -
    478A  GLN*     3.6    22.2    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 445 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204A  ILE*     4.1    17.3    -      -       +      +
    441A  GLU      3.3    11.6    +      -       -      +
    442A  SER*     3.1    12.4    +      -       -      +
    444A  MET*     1.3    77.9    -      -       +      +
    446A  TYR*     1.3    64.3    +      -       -      +
    448A  GLN*     3.2    12.3    +      -       -      +
    449A  ASN*     3.0    34.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 446 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    195A  ARG*     3.0    28.1    +      -       -      +
    203A  ARG*     3.6    43.5    +      -       +      +
    204A  ILE*     3.8    25.1    -      -       +      +
    206A  TRP*     3.6    15.7    -      +       -      -
    442A  SER      3.0    12.6    +      -       -      +
    443A  PHE*     3.5    29.8    -      +       -      +
    445A  LYS*     1.3    77.3    -      -       -      +
    447A  MET*     1.3    59.0    +      -       -      +
    449A  ASN*     3.2    11.2    +      -       +      +
    450A  GLU*     2.9    60.7    +      -       +      +
    454A  ARG*     4.7     0.2    +      -       -      -
    457A  CYS*     3.6    19.8    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 447 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87A  ILE*     5.4     0.4    -      -       +      -
     96A  PHE*     4.1     8.5    -      -       +      -
    443A  PHE*     2.8    36.1    +      -       +      +
    444A  MET*     3.8    10.1    -      -       +      +
    446A  TYR*     1.3    80.7    -      -       -      +
    448A  GLN*     1.3    62.2    +      -       -      +
    450A  GLU*     3.3     1.4    +      -       -      +
    451A  TYR*     3.1    58.8    +      -       +      +
    457A  CYS*     4.1    17.3    -      -       -      +
    459A  ALA*     4.2    14.4    -      -       +      -
    478A  GLN*     3.7    30.5    -      -       +      +
    479A  GLU      4.5     3.8    -      -       -      +
    480A  MET*     4.0    27.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 448 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     94A  MET*     4.1    23.8    -      -       -      +
     96A  PHE*     4.0    22.8    -      -       +      -
    444A  MET      3.1    14.7    +      -       -      +
    445A  LYS*     3.3    14.5    -      -       -      +
    447A  MET*     1.3    77.6    -      -       -      +
    449A  ASN*     1.3    64.2    +      -       -      +
    451A  TYR*     3.2     4.3    +      -       -      +
    452A  ARG*     3.1    60.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 449 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204A  ILE*     5.3     5.9    -      -       -      +
    445A  LYS*     3.0    29.9    +      -       -      +
    446A  TYR*     3.6    10.7    -      -       +      +
    448A  GLN*     1.3    80.8    +      -       -      +
    450A  GLU*     1.3    61.1    +      -       -      +
    452A  ARG*     3.1    15.6    +      -       -      +
    453A  SER*     2.7    37.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 450 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    195A  ARG*     2.9    41.1    +      -       -      -
    206A  TRP*     4.3     5.0    +      -       -      -
    446A  TYR*     2.9    64.3    +      -       +      +
    447A  MET      3.6     5.8    -      -       -      +
    448A  GLN      3.2     0.2    -      -       -      -
    449A  ASN*     1.3    79.7    -      -       -      +
    451A  TYR*     1.3    57.7    +      -       -      +
    453A  SER*     4.4     2.9    +      -       -      +
    454A  ARG*     2.8    47.0    +      -       -      +
    455A  GLY      3.4     0.7    +      -       -      -
    456A  GLY      3.4    21.4    -      -       -      +
    457A  CYS*     3.8     8.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 451 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87A  ILE*     4.5    10.0    -      -       +      +
     96A  PHE*     3.8    48.5    -      +       +      -
     97A  GLN      3.7    13.9    -      -       -      -
     98A  ASP*     2.8    44.7    +      -       +      +
    447A  MET*     3.1    43.2    +      -       +      +
    448A  GLN      3.8     4.5    -      -       -      +
    449A  ASN      3.2     0.2    -      -       -      -
    450A  GLU*     1.3    77.2    -      -       -      +
    452A  ARG*     1.3    59.8    +      -       +      +
    455A  GLY*     3.0    22.9    +      -       -      -
    456A  GLY*     3.6    14.1    -      -       -      +
    457A  CYS*     3.6    32.2    +      -       +      -
    480A  MET*     5.9     0.2    -      -       -      -
    481A  LEU*     5.1     5.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 452 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     94A  MET*     6.0     1.8    -      -       -      +
    448A  GLN*     3.1    55.1    +      -       -      +
    449A  ASN*     3.6    17.0    +      -       -      +
    451A  TYR*     1.3    77.4    -      -       -      +
    453A  SER*     1.3    61.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 453 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    195A  ARG*     4.0    21.0    +      -       -      -
    449A  ASN*     2.7    26.7    +      -       -      +
    450A  GLU*     3.9     3.6    +      -       -      -
    452A  ARG*     1.3    81.5    -      -       -      +
    454A  ARG*     1.3    60.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 454 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     99A  THR*     4.6     1.9    +      -       -      -
    100A  LEU*     3.7    37.7    +      -       +      +
    149A  GLN*     5.9     1.2    -      -       -      +
    192A  GLN*     4.1    11.9    +      -       -      -
    195A  ARG*     3.7    42.0    +      -       -      +
    196A  ASN*     2.9    30.7    +      -       -      +
    450A  GLU*     2.8    41.8    +      -       -      +
    453A  SER*     1.3    75.8    -      -       -      +
    455A  GLY*     1.3    67.3    +      -       -      +
    456A  GLY      3.2     7.9    +      -       -      +
    458A  PRO*     4.0    15.2    -      -       -      +
    485A  LEU*     3.8    12.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 455 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     97A  GLN      4.2     5.6    -      -       -      -
     98A  ASP*     3.6     1.7    -      -       -      -
     99A  THR*     3.0    20.2    +      -       -      -
    100A  LEU      3.0    22.2    +      -       -      -
    451A  TYR*     3.0    31.6    +      -       -      -
    453A  SER      3.8     0.4    -      -       -      -
    454A  ARG*     1.3    76.1    -      -       -      +
    456A  GLY*     1.3    57.4    +      -       -      +
----------------------------------------------------------
 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