Contacts of the helix formed by residues 356 - 376 (chain H) in PDB entry 4E2I


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 THR 356 (chain H).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    354H  GLN      3.5     5.1    +      -       -      +
    355H  LEU*     1.3    77.1    -      -       -      +
    357H  ARG*     1.3    63.9    +      -       -      +
    358H  GLU*     3.0    10.8    +      -       -      +
    359H  GLN*     3.0    45.5    +      -       -      +
    360H  MET*     3.1     9.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 357 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    355H  LEU      3.8     0.2    +      -       -      -
    356H  THR*     1.3    73.1    -      -       -      +
    358H  GLU*     1.3    58.8    +      -       -      +
    360H  MET*     3.5    23.8    +      -       +      +
    361H  LEU*     3.6    15.1    +      -       -      +
    412H  MET      2.8    23.2    +      -       -      -
    413H  VAL*     3.7    19.5    -      -       +      +
    415H  ASN*     3.7    32.9    +      -       -      +
    467H  GLN      4.8     4.0    +      -       -      -
    468H  PHE*     3.0    75.7    +      -       +      +
    522H  PRO*     5.5     2.2    -      -       -      +
    523H  PRO*     3.5    19.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 358 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    356H  THR*     3.0     9.2    +      -       -      +
    357H  ARG*     1.3    78.4    -      -       -      +
    359H  GLN*     1.3    55.1    +      -       +      +
    360H  MET      3.3     0.4    -      -       -      -
    361H  LEU*     3.3     6.5    +      -       +      +
    362H  THR*     2.7    36.4    +      -       -      +
    410H  LYS*     3.3    26.2    +      -       -      +
    413H  VAL*     3.5    28.9    -      -       +      +
    587H  GLU      5.1     1.4    -      -       -      +
    588H  PHE      5.4     0.5    -      -       -      -
    589H  ALA*     4.9    15.7    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 359 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    354H  GLN      4.6     1.2    -      -       -      +
    355H  LEU*     3.4    30.0    -      -       +      +
    356H  THR*     3.0    39.9    +      -       -      +
    358H  GLU*     1.3    77.6    -      -       +      +
    360H  MET*     1.3    63.7    +      -       -      +
    362H  THR*     3.0    20.4    +      -       -      +
    363H  ASN*     2.8    22.0    +      -       -      +
    309I  GLU*     5.6     3.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 360 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    351H  ASP*     4.0    16.8    -      -       +      +
    352H  SER*     4.2    19.5    -      -       -      +
    355H  LEU*     3.8    26.2    -      -       +      +
    356H  THR      3.1    11.7    +      -       -      +
    357H  ARG*     3.5    52.0    -      -       +      +
    359H  GLN*     1.3    78.3    -      -       -      +
    361H  LEU*     1.3    60.5    +      -       -      +
    363H  ASN*     3.5    12.3    +      -       -      +
    364H  ARG*     3.3    18.0    +      -       -      +
    443H  CYS      5.4     0.4    -      -       -      +
    466H  ASP      5.9     2.0    -      -       -      +
    467H  GLN      5.6     4.9    -      -       -      +
    468H  PHE*     4.5    14.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 361 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    357H  ARG      3.6     2.4    +      -       -      +
    358H  GLU*     3.3     9.7    +      -       +      +
    359H  GLN      3.1     0.4    -      -       -      -
    360H  MET*     1.3    76.4    -      -       -      +
    362H  THR*     1.3    58.5    +      -       -      +
    364H  ARG*     2.9     4.1    +      -       -      +
    365H  PHE*     2.8    55.1    +      -       +      -
    409H  LEU*     4.2    19.1    -      -       +      +
    413H  VAL*     3.5    31.9    -      -       +      -
    443H  CYS*     3.7    32.1    -      -       +      +
    468H  PHE*     3.5    38.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 362 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    358H  GLU*     2.7    22.8    +      -       -      +
    359H  GLN*     3.1    16.2    -      -       -      +
    361H  LEU*     1.3    77.2    -      -       -      +
    363H  ASN*     1.3    59.7    +      -       -      +
    365H  PHE*     3.5     7.2    +      -       -      +
    366H  ASN*     2.7    42.0    +      -       -      +
    589H  ALA*     3.6    24.8    -      -       +      +
    591H  SER*     3.6    24.0    -      -       -      +
    592H  ILE*     4.1     9.1    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 363 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    281H  LYS*     5.7     3.4    -      -       -      +
    355H  LEU*     3.6    28.2    -      -       -      +
    359H  GLN*     2.8    22.5    +      -       -      +
    360H  MET*     3.7     8.3    -      -       -      +
    361H  LEU      3.1     0.2    -      -       -      -
    362H  THR*     1.3    76.4    -      -       -      +
    364H  ARG*     1.3    62.8    +      -       -      +
    366H  ASN*     3.3     9.7    +      -       -      +
    367H  ASP*     2.7    36.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 364 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    360H  MET      3.3    10.3    +      -       -      +
    361H  LEU*     2.9    11.1    +      -       -      +
    363H  ASN*     1.3    79.1    -      -       -      +
    365H  PHE*     1.3    64.3    +      -       +      +
    367H  ASP*     3.0    17.6    +      -       -      +
    368H  LEU*     2.9    39.0    +      -       +      +
    371H  ARG*     4.0    18.5    -      -       -      +
    441H  GLU*     2.8    49.7    +      -       -      +
    442H  LEU      3.5    15.0    -      -       -      +
    443H  CYS      3.2    26.5    +      -       -      +
    444H  GLY*     4.2    10.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 365 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    361H  LEU*     2.8    54.6    +      -       +      +
    362H  THR*     3.8     3.1    -      -       -      +
    364H  ARG*     1.3    73.0    -      -       +      +
    366H  ASN*     1.3    60.8    +      -       -      +
    368H  LEU*     3.5    10.9    +      -       +      +
    369H  LEU*     3.3    27.9    +      -       +      +
    409H  LEU*     3.9    27.4    -      -       +      -
    442H  LEU*     3.9    22.0    -      -       +      -
    576H  LEU*     3.5    22.0    -      -       +      +
    579H  LEU*     3.5    28.0    -      -       +      -
    588H  PHE*     4.2    25.4    -      +       -      -
    592H  ILE*     3.7    19.3    -      -       +      -
    596H  ILE*     5.6     0.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 366 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    362H  THR*     2.7    32.1    +      -       -      +
    363H  ASN*     3.3    12.6    +      -       -      +
    364H  ARG      3.1     0.8    -      -       -      -
    365H  PHE*     1.3    77.3    -      -       -      +
    367H  ASP*     1.3    55.5    +      -       -      +
    369H  LEU*     3.1     2.6    +      -       -      -
    370H  ASP*     2.7    36.9    +      -       -      +
    591H  SER      5.3     2.5    +      -       -      +
    592H  ILE*     3.4    28.4    -      -       -      +
    595H  ARG*     3.2    32.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 367 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    281H  LYS*     3.5    26.6    +      -       -      -
    363H  ASN*     2.7    28.2    +      -       -      +
    364H  ARG*     3.0    20.0    +      -       -      +
    366H  ASN*     1.3    76.4    -      -       -      +
    368H  LEU*     1.3    61.7    +      -       -      +
    370H  ASP*     3.1    26.1    +      -       -      +
    371H  ARG*     3.5    20.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 368 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    364H  ARG*     2.9    36.2    +      -       +      +
    365H  PHE*     3.7    11.0    -      -       +      +
    366H  ASN      3.2     0.2    -      -       -      -
    367H  ASP*     1.3    77.9    -      -       -      +
    369H  LEU*     1.3    59.5    +      -       -      +
    371H  ARG*     3.7    13.1    +      -       -      +
    372H  MET*     3.1    23.7    +      -       -      +
    441H  GLU*     3.7    22.0    -      -       +      +
    442H  LEU*     3.5    42.2    -      -       +      +
    572H  GLY      4.6     2.9    -      -       -      +
    573H  ILE*     3.3    29.5    -      -       +      +
    576H  LEU*     3.5    20.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 369 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    365H  PHE      3.3    17.9    +      -       -      +
    366H  ASN*     3.1     2.8    +      -       -      +
    368H  LEU*     1.3    77.7    -      -       -      +
    370H  ASP*     1.3    53.5    +      -       -      +
    371H  ARG      3.2     0.4    -      -       -      -
    372H  MET*     3.1    27.2    +      -       -      +
    373H  ASP*     2.7    36.2    +      -       -      +
    576H  LEU*     3.5    12.6    -      -       +      -
    580H  ILE*     3.9    16.8    -      -       +      -
    592H  ILE*     4.5    10.1    -      -       +      -
    595H  ARG*     3.2    51.6    -      -       +      +
    596H  ILE*     4.8    10.1    -      -       +      -
    599H  TRP*     3.8    19.7    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 370 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    366H  ASN*     2.7    25.8    +      -       -      +
    367H  ASP*     3.1    25.6    +      -       -      +
    369H  LEU*     1.3    77.4    -      -       -      +
    371H  ARG*     1.3    62.4    +      -       +      +
    373H  ASP*     3.3    11.4    +      -       -      +
    374H  ILE*     3.2    24.9    +      -       +      +
    595H  ARG*     3.2    18.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 371 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    364H  ARG*     4.0    24.4    -      -       -      +
    367H  ASP*     3.5    20.4    +      -       -      +
    368H  LEU*     3.8    15.0    -      -       -      +
    369H  LEU      3.2     0.2    -      -       -      -
    370H  ASP*     1.3    75.5    -      -       +      +
    372H  MET*     1.3    59.0    +      -       -      +
    374H  ILE*     3.1    12.5    +      -       -      +
    375H  MET*     2.9    41.3    +      -       -      +
    441H  GLU*     3.4    30.5    +      -       -      +
    573H  ILE*     4.1    16.5    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 372 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    368H  LEU      3.1    11.7    -      -       -      +
    369H  LEU*     3.1    33.1    +      -       +      +
    371H  ARG*     1.3    73.1    -      -       -      +
    373H  ASP*     1.3    55.7    +      -       -      +
    374H  ILE      3.0     5.2    -      -       -      -
    375H  MET*     3.4     9.6    -      -       -      -
    376H  PHE*     2.8    60.1    +      -       +      +
    573H  ILE*     3.5    20.2    -      -       +      -
    576H  LEU*     3.5    18.8    -      -       +      -
    577H  LEU*     3.4    39.9    -      -       +      -
    580H  ILE*     5.5     0.7    -      -       +      -
    599H  TRP*     3.6    20.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 373 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    369H  LEU      2.7    22.1    +      -       -      +
    370H  ASP*     3.3     9.5    +      -       -      +
    372H  MET*     1.3    73.8    -      -       -      +
    374H  ILE*     1.3    59.8    +      -       +      +
    376H  PHE      4.8     0.9    -      -       -      -
    377H  GLY*     4.0    14.5    -      -       -      -
    595H  ARG*     2.8    24.6    +      -       -      -
    599H  TRP*     3.2    25.0    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 374 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    311H  PRO*     3.7    32.3    -      -       +      -
    314H  TYR*     4.3    11.7    -      -       -      +
    315H  LYS*     5.4     7.2    -      -       +      +
    370H  ASP*     3.2    22.0    -      -       +      +
    371H  ARG*     3.5     8.3    -      -       -      +
    372H  MET      3.0     0.6    -      -       -      -
    373H  ASP*     1.3    82.2    -      -       +      +
    375H  MET*     1.3    63.7    +      -       -      +
    376H  PHE      3.3     0.9    -      -       -      -
    377H  GLY*     3.2     7.7    +      -       -      -
    379H  THR*     3.5    27.3    +      -       -      +
    380H  GLY*     3.1    23.0    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 375 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    371H  ARG*     2.9    31.4    +      -       -      +
    372H  MET*     3.4    18.2    -      -       -      +
    374H  ILE*     1.3    78.4    -      -       -      +
    376H  PHE*     1.3    86.6    +      -       +      +
    377H  GLY      3.2     2.1    +      -       -      +
    380H  GLY*     3.3    17.8    -      -       -      +
    381H  SER      4.5     0.7    -      -       -      +
    382H  ALA*     3.3    43.1    +      -       +      +
    387H  TRP*     3.5    39.3    -      -       +      -
    573H  ILE*     4.4     7.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 376 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    372H  MET*     2.8    60.4    +      -       +      +
    373H  ASP      4.6     1.3    -      -       -      -
    375H  MET*     1.3   101.4    -      -       +      +
    377H  GLY*     1.3    58.9    +      -       -      +
    382H  ALA*     3.8    13.9    -      -       +      -
    383H  ASP      4.0     1.3    -      -       -      -
    384H  ILE*     3.4    51.4    -      -       +      -
    387H  TRP*     3.8    26.2    -      +       +      -
    573H  ILE*     4.7     0.7    -      -       +      -
    577H  LEU*     4.5     1.1    -      -       +      -
    599H  TRP*     3.9    17.3    -      +       +      -
    602H  ARG*     3.5    31.1    +      -       -      +
----------------------------------------------------------
 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