Contacts of the helix formed by residues 487 - 502 (chain H) in PDB entry 3GUT


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 487 (chain H).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    483H  ASP*     5.8     1.8    -      -       -      +
    485H  GLN      4.6     4.9    -      -       -      +
    486H  LEU*     1.3    77.7    -      -       -      +
    488H  ASP*     1.3    62.5    +      -       -      +
    489H  ARG*     3.5     6.8    +      -       -      +
    490H  GLU*     2.5    54.0    +      -       -      +
    491H  LYS*     3.1    23.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 488 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    487H  THR*     1.3    73.8    -      -       -      +
    489H  ARG*     1.3    65.7    +      -       -      +
    490H  GLU      3.3     0.7    -      -       -      -
    491H  LYS*     3.4    25.9    +      -       -      +
    492H  GLU*     3.5    23.7    +      -       -      +
    495H  ARG*     5.0     1.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 489 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    475H  TYR*     6.0     1.1    -      -       -      -
    487H  THR*     3.4     6.8    +      -       -      +
    488H  ASP*     1.3    76.4    -      -       -      +
    490H  GLU*     1.3    62.5    +      -       +      +
    492H  GLU*     3.2    25.9    +      -       -      +
    493H  ILE*     3.2    38.5    +      -       -      +
    496H  GLN*     4.2    14.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 490 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    473H  LEU*     4.7     6.5    -      -       +      -
    475H  TYR*     2.9    42.5    +      -       -      +
    476H  LEU*     3.7    16.3    -      -       +      +
    483H  ASP*     4.2     4.9    -      -       -      +
    485H  GLN      4.3     0.9    -      -       -      +
    486H  LEU*     3.0    22.4    -      -       +      +
    487H  THR*     2.5    57.1    +      -       -      +
    489H  ARG*     1.3    76.7    -      -       +      +
    491H  LYS*     1.3    61.9    +      -       -      +
    492H  GLU      3.1     2.0    -      -       -      -
    493H  ILE*     3.3    10.2    +      -       -      +
    494H  ILE*     2.9    33.4    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 491 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    486H  LEU*     3.0    41.2    +      -       +      -
    487H  THR      3.1    16.4    +      -       -      +
    488H  ASP*     3.4    28.7    +      -       -      +
    489H  ARG      3.4     0.6    -      -       -      -
    490H  GLU*     1.3    77.4    -      -       -      +
    492H  GLU*     1.3    57.6    +      -       -      +
    494H  ILE*     3.8     9.3    +      -       -      +
    495H  ARG*     3.1    53.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 492 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    488H  ASP      3.5    12.7    +      -       -      +
    489H  ARG*     3.2    29.1    +      -       -      +
    491H  LYS*     1.3    77.8    -      -       -      +
    493H  ILE*     1.3    63.8    +      -       -      +
    494H  ILE      3.3     0.2    -      -       -      -
    495H  ARG*     2.7    44.0    +      -       -      +
    496H  GLN*     3.1    41.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 493 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    470H  HIS*     3.7    33.2    -      -       +      +
    472H  ASP*     3.4    21.8    -      -       -      +
    473H  LEU*     3.6    31.9    -      -       +      -
    475H  TYR*     5.8     0.9    -      -       -      +
    489H  ARG*     3.2    43.1    -      -       -      +
    490H  GLU*     3.3     9.4    +      -       -      +
    492H  GLU*     1.3    77.6    -      -       -      +
    494H  ILE*     1.3    57.4    +      -       -      +
    496H  GLN*     3.5     7.1    +      -       -      +
    497H  ALA*     3.0    26.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 494 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    452H  GLU*     3.8    33.4    -      -       +      +
    455H  MET*     3.7    20.0    -      -       +      +
    456H  THR*     4.1     7.9    -      -       -      +
    459H  CYS*     3.5    26.0    -      -       -      -
    469H  VAL*     3.9    16.2    -      -       +      -
    473H  LEU*     3.7    11.0    -      -       +      -
    486H  LEU*     4.2    13.5    -      -       +      -
    490H  GLU*     2.9    29.9    +      -       +      +
    491H  LYS*     3.9     7.2    -      -       -      +
    493H  ILE*     1.3    77.8    -      -       -      +
    495H  ARG*     1.3    56.0    +      -       -      +
    497H  ALA*     3.7     6.0    -      -       -      +
    498H  ALA*     2.7    33.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 495 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    448H  PHE*     4.5     5.2    -      -       +      -
    452H  GLU*     3.0    31.5    -      -       -      +
    488H  ASP      5.0     1.0    +      -       -      -
    491H  LYS*     3.1    45.6    +      -       -      +
    492H  GLU*     2.7    42.1    +      -       -      +
    493H  ILE      3.4     0.4    -      -       -      -
    494H  ILE*     1.3    75.8    -      -       -      +
    496H  GLN*     1.3    61.0    +      -       +      +
    498H  ALA*     3.8     1.4    -      -       -      +
    499H  VAL*     3.3    26.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 496 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    489H  ARG*     4.2    19.0    -      -       -      +
    492H  GLU*     3.1    33.8    +      -       +      +
    493H  ILE*     3.8     6.7    -      -       -      +
    495H  ARG*     1.3    76.1    -      -       +      +
    497H  ALA*     1.3    63.4    +      -       -      +
    499H  VAL*     2.9    25.2    -      -       +      +
    500H  GLN*     3.2    14.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 497 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    455H  MET*     3.7    13.5    -      -       +      -
    469H  VAL*     3.3    30.7    -      -       +      +
    470H  HIS*     4.5     9.4    -      -       +      +
    493H  ILE      3.0    18.8    +      -       -      +
    494H  ILE      3.2     3.1    +      -       -      +
    496H  GLN*     1.3    73.6    -      -       -      +
    498H  ALA*     1.3    64.8    +      -       -      +
    500H  GLN*     3.6     3.6    +      -       -      +
    501H  GLN*     3.0    34.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 498 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    448H  PHE*     4.1     7.6    -      -       +      +
    451H  LEU*     3.3    29.2    -      -       +      +
    452H  GLU*     3.8    29.4    -      -       +      +
    455H  MET*     3.8     1.8    -      -       -      -
    494H  ILE      2.7    22.2    +      -       -      +
    495H  ARG      3.8     0.9    -      -       -      +
    497H  ALA*     1.3    74.0    -      -       -      +
    499H  VAL*     1.3    57.7    +      -       -      +
    501H  GLN*     3.8     0.7    -      -       -      -
    502H  THR*     2.8    35.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 499 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    448H  PHE*     3.4    25.3    -      -       +      -
    495H  ARG      3.3    12.7    +      -       -      +
    496H  GLN*     2.9    31.0    -      -       +      +
    498H  ALA*     1.3    79.1    -      -       -      +
    500H  GLN*     1.3    67.4    +      -       +      +
    502H  THR*     3.1    12.2    +      -       -      +
    503H  LYS*     3.7    11.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 500 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    496H  GLN      3.2    17.1    +      -       -      +
    497H  ALA*     4.1     4.5    -      -       -      +
    499H  VAL*     1.3    83.5    +      -       -      +
    501H  GLN*     1.3    63.6    +      -       +      +
    502H  THR      3.3     0.4    -      -       -      -
    503H  LYS*     2.9    63.8    -      -       -      +
    504H  GLU*     4.5     1.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 501 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    405H  HIS*     2.9    56.7    +      -       +      +
    406H  LEU      4.2     6.2    +      -       -      +
    451H  LEU*     5.2     1.4    -      -       +      +
    455H  MET*     3.3    23.8    -      -       +      +
    468H  LEU      3.6     1.8    +      -       -      +
    469H  VAL      3.0    28.1    +      -       -      -
    497H  ALA*     3.0    18.6    +      -       -      +
    498H  ALA*     4.1     2.5    -      -       -      +
    500H  GLN*     1.3    78.3    -      -       +      +
    502H  THR*     1.3    61.0    +      -       -      +
    503H  LYS      3.4     0.2    -      -       -      -
    504H  GLU*     3.6    12.9    +      -       -      +
    505H  MET*     3.6    26.2    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 502 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    447H  VAL*     3.9    30.1    -      -       +      +
    448H  PHE*     3.7    28.3    -      -       -      -
    451H  LEU*     4.1    14.4    -      -       +      -
    498H  ALA      2.8    21.6    +      -       -      +
    499H  VAL*     3.1    15.6    +      -       -      +
    501H  GLN*     1.3    74.8    -      -       -      +
    503H  LYS*     1.3    59.7    +      -       -      +
    504H  GLU*     3.0     6.7    +      -       -      -
    505H  MET*     4.3    11.2    +      -       +      +
----------------------------------------------------------
 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