Contacts of the strand formed by residues 468 - 474 (chain A) in PDB entry 2J25


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 468 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  LEU*     4.8     9.6    -      -       +      -
    442A  ASN*     5.7     3.1    -      -       +      -
    443A  ASP*     5.6     8.3    -      -       +      +
    444A  LEU*     3.8    38.8    -      -       +      -
    462A  ASN*     4.0     6.3    -      -       -      +
    464A  SER*     4.9     4.3    -      -       -      +
    466A  LYS*     3.7    14.1    -      -       +      +
    467A  ASP*     1.3    79.2    -      -       -      +
    469A  PRO*     1.3    71.9    -      -       +      +
    470A  LEU*     3.5     2.1    +      -       -      +
    483A  ILE*     4.4     0.9    -      -       -      -
    484A  SER*     2.8    38.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 469 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64A  GLY*     4.4    12.2    -      -       -      -
     65A  LEU*     3.8    18.6    +      -       -      +
    467A  ASP*     3.4    13.0    -      -       +      +
    468A  VAL*     1.3    93.2    -      -       +      +
    470A  LEU*     1.3    58.5    +      -       -      +
    482A  THR      3.8     7.2    -      -       -      +
    483A  ILE*     4.1    14.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 470 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  LEU*     3.6    37.9    -      -       +      -
     67A  LEU*     3.8    19.5    -      -       +      -
    444A  LEU*     4.0     6.7    -      -       +      -
    460A  VAL*     3.7    37.7    -      -       +      -
    468A  VAL      3.7     8.7    -      -       -      +
    469A  PRO*     1.3    75.5    -      -       -      +
    471A  THR*     1.3    74.1    +      -       -      +
    472A  ILE*     4.3     5.6    -      -       +      -
    481A  GLU*     4.0     0.9    -      -       -      +
    482A  THR*     2.8    59.1    +      -       +      +
    484A  SER*     4.5     7.2    -      -       -      +
    492A  TYR*     4.9     1.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 471 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60A  HIS*     3.5    29.3    +      -       +      -
     62A  GLY*     4.5     3.3    -      -       -      -
     64A  GLY      5.8     1.0    +      -       -      -
     65A  LEU      3.0    14.9    +      -       -      -
     66A  LEU*     3.2    22.6    -      -       +      +
     67A  LEU      2.9    28.1    +      -       -      +
    470A  LEU*     1.3    75.3    +      -       -      +
    472A  ILE*     1.3    63.6    +      -       -      +
    479A  PHE*     3.8    20.0    -      -       +      -
    480A  LEU      3.2     8.7    -      -       -      +
    481A  GLU*     2.9    21.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 472 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67A  LEU*     3.1    22.9    -      -       +      +
     69A  LEU*     5.2     1.3    -      -       +      +
    436A  LEU*     4.9     5.4    -      -       +      -
    458A  VAL*     4.6    13.2    -      -       +      -
    460A  VAL*     4.5     6.1    -      -       +      -
    470A  LEU*     4.3    16.6    -      -       +      -
    471A  THR*     1.3    77.7    -      -       -      +
    473A  LYS*     1.3    65.0    +      -       -      +
    478A  GLY      3.9     0.3    -      -       -      +
    479A  PHE*     3.5     1.6    -      -       -      -
    480A  LEU*     2.8    52.2    +      -       +      +
    482A  THR*     4.6     4.3    -      -       +      -
    492A  TYR*     3.8    38.8    -      -       +      -
    494A  TRP*     3.7    27.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 473 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     66A  LEU*     3.9    13.9    -      -       +      -
     67A  LEU      2.7     9.9    +      -       -      -
     68A  THR*     3.5    24.5    -      -       +      +
     69A  LEU*     2.8    34.8    +      -       -      +
    471A  THR      3.7     1.4    +      -       -      -
    472A  ILE*     1.3    75.0    -      -       -      +
    474A  ASP*     1.3    61.6    +      -       -      +
    475A  PRO*     3.4    32.7    -      -       -      +
    478A  GLY      3.4     6.7    -      -       -      +
    479A  PHE*     3.4    44.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 474 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56A  ILE*     6.1     0.4    -      -       +      -
     69A  LEU*     3.6     8.9    -      -       +      +
    472A  ILE      4.0     1.0    +      -       -      +
    473A  LYS*     1.3    73.5    -      -       -      +
    475A  PRO*     1.3    63.0    -      -       -      +
    476A  ALA*     2.8     8.3    +      -       -      +
    477A  VAL*     2.8    19.3    +      -       +      +
    478A  GLY*     2.7    40.4    +      -       -      +
    480A  LEU*     5.8     2.2    -      -       +      +
    494A  TRP*     2.8    39.0    +      -       +      +
    496A  ARG*     2.5    48.6    +      -       -      -
----------------------------------------------------------
 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