Contacts of the strand formed by residues 440 - 449 (chain A) in PDB entry 3IJE


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 VAL 440 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1A  PHE*     3.9    14.8    -      -       +      -
      2A  ASN*     3.9    19.3    -      -       -      +
    351A  ASP*     4.3    18.4    -      -       +      +
    419A  TYR*     3.2    20.1    +      -       +      +
    439A  PRO*     1.3    74.3    -      -       -      +
    441A  ILE*     1.3    67.3    +      -       -      +
    442A  THR*     5.3     2.2    -      -       -      +
    483A  GLY*     3.5    16.5    -      -       -      -
    484A  LYS      4.1     0.7    +      -       -      -
    487A  LEU*     4.3     1.0    -      -       -      +
    577A  ILE*     3.3    21.8    -      -       +      +
    579A  ASN*     4.0    36.6    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 441 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    440A  VAL*     1.3    75.1    -      -       -      +
    442A  THR*     1.3    63.5    +      -       -      +
    443A  VAL*     4.0     5.4    +      -       +      -
    482A  ASP*     3.5    19.1    -      -       -      +
    483A  GLY*     4.2     0.2    -      -       -      -
    487A  LEU*     3.4    31.0    -      -       +      -
    491A  LEU*     3.9    30.7    -      -       +      -
    493A  PHE*     4.9     4.3    -      -       +      -
    563A  LEU*     4.2    18.2    -      -       +      -
    576A  PRO*     4.4    12.6    -      -       +      -
    577A  ILE      3.0    17.4    +      -       -      +
    578A  LEU*     3.7    25.6    -      -       +      +
    579A  ASN*     3.1    23.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 442 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    440A  VAL*     5.3     2.3    -      -       -      +
    441A  ILE*     1.3    73.3    -      -       -      +
    443A  VAL*     1.3    64.4    +      -       -      +
    444A  ASN*     3.8    19.1    -      -       -      +
    480A  LYS*     3.9     5.7    +      -       -      +
    481A  ALA*     3.4     1.7    -      -       -      -
    482A  ASP*     2.7    36.1    +      -       -      +
    483A  GLY*     5.8     0.2    -      -       -      -
    579A  ASN*     4.3    17.6    +      -       -      +
    582A  THR*     4.9     9.6    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 443 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    441A  ILE*     4.0     4.2    +      -       +      +
    442A  THR*     1.3    75.4    -      -       -      +
    444A  ASN*     1.3    70.3    +      -       -      +
    445A  ALA      4.1     1.4    +      -       -      +
    479A  LEU*     5.0     6.1    -      -       +      -
    480A  LYS      3.3     6.5    -      -       -      +
    481A  ALA*     3.8     9.4    -      -       +      -
    493A  PHE*     3.7    34.3    -      -       +      -
    527A  ILE*     5.9     0.2    -      -       +      -
    561A  TYR*     3.0    42.7    +      -       +      +
    578A  LEU*     4.6    17.7    -      -       +      -
    582A  THR*     3.8    23.7    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 444 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    442A  THR*     3.8    15.2    -      -       -      +
    443A  VAL*     1.3    80.8    -      -       -      +
    445A  ALA*     1.3    60.8    +      -       -      +
    479A  LEU*     4.7     1.8    -      -       -      -
    480A  LYS*     2.6    70.8    +      -       +      +
    533A  MET*     3.2    14.5    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 445 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    443A  VAL      4.0     2.8    +      -       -      -
    444A  ASN*     1.3    73.1    -      -       -      +
    446A  GLY*     1.3    59.2    -      -       -      +
    478A  CYS      3.4     4.9    -      -       -      -
    479A  LEU*     3.8     8.5    -      -       +      -
    533A  MET*     4.1     1.6    -      -       -      -
    559A  MET*     3.4    30.7    -      -       +      -
    561A  TYR*     3.6    22.8    +      -       +      +
    586A  ILE*     3.9    20.8    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 446 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    445A  ALA*     1.3    72.8    -      -       -      +
    447A  LEU*     1.3    60.8    -      -       -      +
    476A  ARG      4.5     0.9    -      -       -      -
    477A  PHE*     3.4     7.0    -      -       -      +
    478A  CYS*     2.8    37.0    +      -       -      +
    533A  MET*     3.6    13.8    -      -       -      +
    559A  MET*     3.9     4.7    -      -       -      +
    586A  ILE*     4.8     2.5    -      -       -      -
    588A  ARG*     5.4     0.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 447 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    446A  GLY*     1.3    73.7    -      -       -      +
    448A  GLU*     1.3    71.0    +      -       -      +
    449A  VAL*     6.0     0.2    -      -       +      -
    475A  VAL*     4.3    22.2    -      -       +      -
    476A  ARG      3.5    13.0    -      -       -      +
    477A  PHE*     4.3    10.3    -      -       +      -
    497A  LEU*     5.2     2.0    -      -       +      -
    557A  ILE*     3.6    33.2    -      -       +      +
    559A  MET*     4.2    16.6    -      -       +      -
    586A  ILE*     3.7    28.9    -      -       +      +
    587A  SER      4.2     0.4    -      -       -      -
    588A  ARG*     3.2    52.0    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 448 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    447A  LEU*     1.3    82.1    -      -       -      +
    449A  VAL*     1.3    70.3    +      -       -      +
    450A  TYR*     3.1    37.4    +      -       +      -
    474A  ASN      3.9     0.3    -      -       -      +
    475A  VAL*     3.7     2.8    -      -       -      +
    476A  ARG*     3.0    57.0    +      -       -      +
    588A  ARG*     4.7     7.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 449 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    447A  LEU*     6.0     0.7    -      -       +      -
    448A  GLU*     1.3    79.2    -      -       -      +
    450A  TYR*     1.3    67.1    +      -       -      +
    451A  PRO      3.2    18.9    -      -       -      +
    452A  SER*     3.4    16.4    +      -       -      +
    473A  PHE*     4.1     8.5    -      -       +      -
    474A  ASN      3.2    13.5    -      -       -      +
    475A  VAL*     3.8    18.2    -      -       +      -
    557A  ILE*     3.7    29.4    -      -       +      -
    588A  ARG*     4.6    16.5    -      -       +      +
    589A  GLN      4.6    17.0    -      -       -      +
    590A  ALA*     4.7     4.0    -      -       +      -
----------------------------------------------------------
 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