Contacts of the helix formed by residues 482 - 496 (chain D) in PDB entry 6X34


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 GLY 482 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    237D  ASP*     5.9     9.2    -      -       -      -
    479D  GLN*     3.5    10.7    +      -       -      -
    480D  GLU      3.8     0.8    -      -       -      -
    481D  GLU*     1.3    78.2    -      -       -      +
    483D  MET*     1.3    61.0    +      -       -      +
    484D  LEU*     3.3     6.6    +      -       -      -
    485D  SER*     4.0     8.7    +      -       -      -
    486D  LEU*     3.9    11.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 483 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    404D  ILE*     4.8     9.0    -      -       -      +
    407D  THR*     3.7    20.2    -      -       +      +
    408D  ALA*     5.2     6.3    -      -       +      +
    411D  TYR*     3.7    30.7    -      -       +      -
    478D  PHE*     3.5    63.3    -      -       +      +
    481D  GLU*     3.2    13.8    -      -       +      +
    482D  GLY*     1.3    76.6    -      -       -      +
    484D  LEU*     1.3    64.3    +      -       +      +
    486D  LEU*     3.1    24.3    -      -       +      +
    487D  VAL*     2.9    33.4    +      -       +      +
    525D  ILE*     6.5     0.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 484 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    478D  PHE*     4.3    10.5    -      -       +      +
    479D  GLN*     3.6    45.1    -      -       +      +
    482D  GLY*     3.3     2.2    -      -       -      -
    483D  MET*     1.3    79.6    -      -       +      +
    485D  SER*     1.3    61.4    +      -       -      +
    487D  VAL*     3.1    12.8    -      -       +      +
    488D  LEU*     2.9    36.5    +      -       +      +
    529D  LEU*     6.3     2.7    -      -       +      -
    530D  ILE*     4.7     9.9    -      -       +      -
    536D  ASN*     4.1    32.3    -      -       +      +
    539D  LEU*     4.6    21.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 485 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    482D  GLY*     4.0     9.2    +      -       -      -
    483D  MET      3.4     0.2    -      -       -      -
    484D  LEU*     1.3    77.6    -      -       -      +
    486D  LEU*     1.3    57.2    +      -       -      +
    488D  LEU*     3.3    17.6    +      -       -      +
    489D  ASN*     2.9    29.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 486 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    408D  ALA*     4.4    14.1    -      -       +      +
    411D  TYR*     3.5    44.4    -      -       +      -
    412D  ASN*     3.9    17.9    -      -       -      +
    415D  ILE*     3.5    28.3    -      -       +      -
    482D  GLY      3.9     4.4    +      -       -      +
    483D  MET*     3.1    31.5    +      -       +      +
    484D  LEU      3.1     0.2    -      -       -      -
    485D  SER*     1.3    78.1    -      -       -      +
    487D  VAL*     1.3    57.1    +      -       -      +
    489D  ASN*     3.1     8.5    +      -       -      +
    490D  CYS*     3.0    30.1    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 487 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    411D  TYR*     3.7    36.1    -      -       +      +
    478D  PHE*     6.2     0.7    -      -       +      -
    483D  MET*     2.9    20.3    +      -       +      +
    484D  LEU*     3.1    21.5    -      -       +      +
    486D  LEU*     1.3    72.1    -      -       -      +
    488D  LEU*     1.3    69.0    +      -       +      +
    490D  CYS*     3.5     9.9    -      -       -      +
    491D  ILE*     2.9    32.9    +      -       +      +
    522D  LEU*     4.8    11.7    -      -       +      -
    525D  ILE*     6.3     4.9    -      -       +      -
    526D  LEU*     4.8    16.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 488 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    484D  LEU*     2.9    30.2    +      -       +      +
    485D  SER*     3.6    19.3    -      -       -      +
    486D  LEU      3.2     0.2    -      -       -      -
    487D  VAL*     1.3    80.5    -      -       +      +
    489D  ASN*     1.3    55.8    +      -       -      +
    491D  ILE*     3.1    12.1    -      -       +      +
    492D  ASP*     2.9    30.4    +      -       -      +
    526D  LEU*     4.1    24.5    -      -       +      -
    539D  LEU*     6.1     4.0    -      -       +      -
    540D  PHE*     4.2    27.1    -      -       +      -
    546D  TRP*     5.1     7.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 489 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    415D  ILE*     3.5    33.8    -      -       +      +
    485D  SER      2.9    14.2    +      -       -      +
    486D  LEU*     3.4     9.9    -      -       -      +
    488D  LEU*     1.3    75.6    -      -       -      +
    490D  CYS*     1.3    57.9    +      -       -      +
    492D  ASP*     3.8     5.4    -      -       -      +
    493D  ARG*     2.9    57.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 490 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    411D  TYR*     4.6    18.8    -      -       -      -
    414D  PHE*     4.6    22.4    -      -       +      -
    415D  ILE*     3.8    24.0    -      -       -      -
    486D  LEU*     3.0    38.2    +      -       -      -
    487D  VAL*     3.5    11.2    -      -       -      +
    488D  LEU      3.3     0.2    -      -       -      -
    489D  ASN*     1.3    79.2    -      -       -      +
    491D  ILE*     1.3    57.4    +      -       -      +
    493D  ARG*     3.3     4.5    +      -       -      +
    494D  LEU*     2.9    29.6    +      -       -      +
    522D  LEU*     4.7    12.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 491 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    487D  VAL*     2.9    16.1    +      -       +      +
    488D  LEU*     3.1    25.4    -      -       +      +
    490D  CYS*     1.3    76.4    -      -       -      +
    492D  ASP*     1.3    56.9    +      -       -      +
    494D  LEU*     3.7     6.4    -      -       +      +
    495D  ASN*     2.9    32.6    +      -       -      +
    522D  LEU*     3.7    39.5    -      -       +      +
    523D  TYR*     4.4    22.2    +      -       +      -
    526D  LEU*     3.7    27.1    -      -       +      -
    546D  TRP*     3.5    32.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 492 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    488D  LEU      2.9    19.4    +      -       -      +
    489D  ASN*     3.8     6.5    -      -       -      +
    491D  ILE*     1.3    78.7    -      -       -      +
    493D  ARG*     1.3    61.3    +      -       +      +
    495D  ASN*     3.2     4.8    +      -       -      +
    496D  VAL*     2.9    30.3    +      -       -      +
    546D  TRP*     4.7    18.2    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 493 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    415D  ILE*     5.2     6.9    +      -       +      +
    418D  LEU*     4.7    20.5    -      -       +      +
    419D  ASP*     4.1    28.7    -      -       -      +
    422D  SER*     4.9    11.6    +      -       -      -
    489D  ASN*     2.9    45.7    +      -       -      +
    490D  CYS*     3.9     5.2    -      -       -      +
    492D  ASP*     1.3    77.7    -      -       +      +
    494D  LEU*     1.3    59.8    +      -       -      +
    496D  VAL*     3.2    27.4    -      -       -      +
    497D  TYR*     4.3     7.1    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 494 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    414D  PHE*     4.4    22.7    -      -       +      -
    418D  LEU*     6.3     2.9    -      -       +      -
    490D  CYS      2.9    16.4    +      -       -      +
    491D  ILE*     3.8     6.7    -      -       -      +
    493D  ARG*     1.3    81.2    -      -       -      +
    495D  ASN*     1.3    58.4    +      -       -      +
    496D  VAL      3.4     0.2    -      -       -      -
    497D  TYR*     4.0    11.8    +      -       +      +
    503D  PHE*     4.6    17.3    -      -       +      -
    515D  TRP*     3.4    48.2    +      -       +      +
    518D  ILE*     3.6    31.6    -      -       +      -
    519D  VAL*     3.7    20.0    -      -       +      -
    522D  LEU*     5.2     7.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 495 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    491D  ILE      2.9    17.6    +      -       -      +
    492D  ASP*     3.2     5.1    +      -       -      +
    494D  LEU*     1.3    73.6    -      -       -      +
    496D  VAL*     1.3    60.6    +      -       -      +
    497D  TYR      2.9    18.7    -      -       -      +
    515D  TRP*     5.1     7.5    -      -       -      -
    519D  VAL*     6.3     0.6    -      -       -      +
    523D  TYR*     3.3    25.4    +      -       -      +
    546D  TRP*     5.8     6.5    +      -       +      +
    550D  LYS*     4.7    17.7    +      -       -      +
    553D  ARG*     2.9    54.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 496 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    422D  SER*     5.7     5.2    -      -       -      -
    492D  ASP      2.9    13.7    +      -       -      +
    493D  ARG*     3.2    26.9    -      -       -      +
    495D  ASN*     1.3    77.2    -      -       -      +
    497D  TYR*     1.3    78.8    +      -       +      +
    498D  THR      4.2     0.2    +      -       -      -
    553D  ARG*     5.3     0.3    +      -       -      -
----------------------------------------------------------
 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