Contacts of the helix formed by residues 549 - 563 (chain A) in PDB entry 5N6R


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 LYS 549 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    546A  ILE      4.9     0.6    +      -       -      -
    547A  PHE      3.8     0.2    -      -       -      -
    548A  PHE*     1.3   117.5    +      -       +      +
    550A  VAL*     1.3    66.5    +      -       -      +
    551A  PRO*     3.4     4.7    -      -       -      -
    552A  GLU*     3.0    31.8    +      -       +      +
    553A  LEU*     2.8    48.0    +      -       +      +
    556A  ILE*     6.0     0.7    -      -       +      -
    590A  VAL*     3.3    43.1    -      -       +      +
    594A  PHE*     5.6     6.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 550 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    517A  LEU*     4.1    18.4    -      -       +      +
    520A  LEU*     3.9    29.6    -      -       +      -
    521A  LEU*     4.3     7.2    -      -       +      +
    546A  ILE*     3.9     9.9    -      -       +      +
    547A  PHE*     3.4    43.2    +      -       +      -
    549A  LYS*     1.3    76.2    -      -       -      +
    551A  PRO*     1.3    70.5    -      -       +      +
    553A  LEU*     3.5    10.7    +      -       +      +
    554A  TYR*     3.3    16.6    +      -       -      +
    643A  LEU*     5.1    12.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 551 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    521A  LEU*     3.8    31.6    -      -       +      +
    524A  MET*     3.7    33.2    -      -       +      -
    547A  PHE      3.9     4.7    -      -       -      +
    549A  LYS*     3.7     1.3    -      -       -      -
    550A  VAL*     1.3    94.8    -      -       +      +
    552A  GLU*     1.3    70.5    +      -       +      +
    554A  TYR*     3.3     4.9    +      -       -      +
    555A  GLU*     3.2    31.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 552 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    548A  PHE      5.3     0.4    -      -       -      +
    549A  LYS*     3.0    40.4    +      -       +      +
    551A  PRO*     1.3    81.2    -      -       +      +
    553A  LEU*     1.3    54.2    +      -       -      +
    555A  GLU*     3.2    17.2    +      -       -      +
    556A  ILE*     2.8    52.2    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 553 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    513A  TYR*     5.3     5.5    -      -       -      +
    517A  LEU*     4.2    10.0    -      -       +      +
    549A  LYS*     2.8    41.0    +      -       +      +
    550A  VAL*     3.7     8.7    -      -       +      +
    552A  GLU*     1.3    71.2    -      -       -      +
    554A  TYR*     1.3    60.2    +      -       -      +
    556A  ILE*     4.0    10.5    -      -       +      -
    557A  HIS*     3.1    34.3    +      -       +      +
    590A  VAL*     4.8     3.6    -      -       +      -
    591A  TYR*     3.4    47.8    -      -       +      +
    594A  PHE*     5.5    15.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 554 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    514A  LEU*     3.3    47.5    -      -       +      +
    515A  SER*     5.9     0.2    -      -       -      -
    517A  LEU*     3.5    22.2    -      -       +      +
    518A  GLU*     3.7    25.2    +      -       +      +
    521A  LEU*     3.4    30.3    -      -       +      -
    550A  VAL      3.3     7.4    +      -       -      +
    551A  PRO      3.3     8.0    +      -       -      +
    552A  GLU      3.1     0.2    -      -       -      -
    553A  LEU*     1.3    74.9    -      -       -      +
    555A  GLU*     1.3    74.4    +      -       +      +
    557A  HIS      3.4     1.6    +      -       -      -
    558A  LYS*     2.9    69.2    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 555 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    521A  LEU*     6.1     0.6    -      -       +      +
    551A  PRO*     3.2    16.2    +      -       -      +
    552A  GLU*     3.2    19.5    +      -       -      +
    554A  TYR*     1.3    90.5    -      -       +      +
    556A  ILE*     1.3    57.8    +      -       +      +
    558A  LYS*     3.9     4.4    -      -       +      +
    559A  GLU*     2.8    45.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 556 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    549A  LYS*     6.0     0.2    -      -       +      -
    552A  GLU*     2.8    43.8    +      -       +      +
    553A  LEU*     4.2    14.4    -      -       +      +
    555A  GLU*     1.3    73.5    -      -       +      +
    557A  HIS*     1.3    62.0    +      -       +      +
    559A  GLU*     4.3     5.4    -      -       -      +
    560A  PHE*     3.7    17.2    +      -       -      +
    584A  LEU*     4.0    12.1    -      -       +      +
    587A  GLN*     3.5    46.3    +      -       +      +
    590A  VAL*     5.0    10.3    -      -       +      -
    591A  TYR*     3.8    19.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 557 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    510A  GLU*     2.7    32.8    +      -       -      +
    513A  TYR*     4.5    12.7    +      +       -      -
    514A  LEU*     3.8    17.7    -      -       +      -
    553A  LEU*     3.1    30.7    +      -       +      +
    555A  GLU      3.2     0.6    -      -       -      -
    556A  ILE*     1.3    80.0    -      -       +      +
    558A  LYS*     1.3    60.0    +      -       -      +
    560A  PHE*     3.2    14.8    +      +       +      -
    561A  TYR*     2.9    27.7    +      -       -      +
    584A  LEU*     4.7    11.4    -      -       +      +
    591A  TYR*     3.3    30.0    +      -       -      -
    650A  VAL*     4.5    20.7    -      -       +      +
    653A  SER*     5.9     2.0    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 558 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    514A  LEU*     3.6    35.2    -      -       +      +
    554A  TYR*     2.9    63.1    +      -       +      +
    555A  GLU*     3.9     5.4    -      -       +      +
    557A  HIS*     1.3    71.0    -      -       -      +
    559A  GLU*     1.3    56.2    +      -       +      +
    561A  TYR*     4.0    11.2    -      -       +      -
    562A  ASP*     2.7    63.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 559 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    555A  GLU*     2.8    30.7    +      -       +      +
    556A  ILE*     4.3     6.2    -      -       -      +
    558A  LYS*     1.3    71.9    -      -       -      +
    560A  PHE*     1.3    62.4    +      -       -      +
    562A  ASP*     5.1     1.3    -      -       -      -
    563A  GLY*     3.2    19.4    +      -       -      -
    580A  LEU*     4.9     2.6    -      -       -      +
    583A  LYS*     4.9    11.2    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 560 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    506A  ILE*     3.5    33.7    -      -       +      -
    510A  GLU*     4.4    11.2    -      -       +      -
    556A  ILE      3.7    11.3    +      -       -      +
    557A  HIS*     3.2    17.7    +      +       -      +
    559A  GLU*     1.3    80.3    -      -       -      +
    561A  TYR*     1.3    78.3    +      -       +      +
    563A  GLY*     3.5     1.2    +      -       -      -
    564A  LEU*     3.2    61.3    +      -       +      +
    580A  LEU*     4.0    34.1    -      -       +      +
    581A  PHE*     4.9    14.1    -      +       -      -
    584A  LEU*     4.2    33.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 561 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    507A  LEU*     3.2    54.1    -      -       +      +
    510A  GLU*     4.3     6.5    -      -       +      -
    511A  GLU*     3.1    39.8    -      -       +      +
    514A  LEU*     3.4    25.8    -      -       +      -
    557A  HIS      2.9    16.1    +      -       -      +
    558A  LYS*     4.0    12.8    -      -       +      -
    560A  PHE*     1.3    85.5    -      -       +      +
    562A  ASP*     1.3    81.7    +      -       -      +
    563A  GLY      3.1     1.6    -      -       -      -
    564A  LEU*     2.9    28.7    +      -       -      +
    565A  PHE*     3.3     7.6    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 562 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    558A  LYS*     2.7    54.4    +      -       -      +
    559A  GLU*     4.7     1.8    -      -       -      +
    561A  TYR*     1.3    89.4    +      -       -      +
    563A  GLY*     1.3    54.7    +      -       -      +
    565A  PHE*     3.8    15.1    -      -       -      +
    566A  PRO*     3.2    20.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 563 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    559A  GLU      3.2    18.4    +      -       -      -
    560A  PHE      3.8     2.0    -      -       -      -
    561A  TYR      3.1     0.8    -      -       -      -
    562A  ASP*     1.3    75.4    -      -       -      +
    564A  LEU*     1.3    62.3    +      -       -      +
    566A  PRO*     3.7    13.3    -      -       -      +
    567A  ARG*     3.6    18.2    -      -       -      +
    580A  LEU*     5.2     7.5    -      -       -      +
----------------------------------------------------------
 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