Contacts of the strand formed by residues 731 - 736 (chain B) in PDB entry 3LJ1


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 TYR 731 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    716B  ILE*     3.4    33.4    -      -       +      +
    719B  LEU*     4.0    27.4    -      -       +      -
    720B  THR*     4.0    17.7    -      -       -      -
    723B  ASP*     3.6    20.3    +      -       -      +
    729B  ILE      4.0     1.8    +      -       -      -
    730B  ARG*     1.3    81.8    +      -       -      +
    732B  TYR*     1.3    71.2    +      -       -      +
    733B  CYS*     3.5    27.4    -      -       -      -
    734B  SER*     3.2    34.6    +      -       -      -
    743B  ILE*     4.0    16.2    -      -       +      -
    744B  ALA      3.7     7.6    -      -       -      -
    745B  LEU*     4.1     6.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 732 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    694B  PHE*     4.4    19.5    -      +       +      -
    697B  ARG*     3.4    46.8    +      -       +      -
    698B  PRO      5.1     2.1    +      -       -      -
    699B  VAL*     3.4    27.8    -      -       +      -
    730B  ARG*     3.5    29.5    +      -       +      -
    731B  TYR*     1.3    84.0    -      -       -      +
    733B  CYS*     1.3    65.4    +      -       -      +
    744B  ALA*     3.2    18.6    +      -       +      +
    745B  LEU      3.6    13.2    -      -       -      -
    746B  GLU*     2.7    46.5    +      -       +      -
    747B  LEU      5.1     0.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 733 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    672B  ASN*     4.9     4.5    -      -       -      -
    673B  LEU*     4.1    19.2    -      -       -      +
    694B  PHE*     3.6    46.2    -      -       +      -
    731B  TYR*     3.4    19.8    -      -       -      -
    732B  TYR*     1.3    83.2    -      -       -      +
    734B  SER*     1.3    64.0    +      -       -      +
    744B  ALA*     2.8    29.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 734 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    672B  ASN*     5.7     1.6    -      -       -      +
    673B  LEU*     4.8     1.6    -      -       -      -
    716B  ILE*     3.1    29.4    -      -       -      +
    731B  TYR*     3.2    11.1    +      -       -      -
    733B  CYS*     1.3    80.6    -      -       -      +
    735B  GLU*     1.3    64.3    +      -       -      +
    736B  THR*     5.8     0.4    -      -       -      -
    741B  LEU*     4.6     9.1    -      -       -      +
    742B  TYR      3.3    13.9    +      -       -      -
    743B  ILE*     3.6     9.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 735 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    669B  SER      4.6     1.2    -      -       -      +
    670B  LEU*     3.3    24.3    -      -       +      +
    671B  LYS*     2.6    32.4    +      -       -      +
    672B  ASN*     2.8    30.4    +      -       +      +
    673B  LEU*     3.1    26.8    +      -       +      +
    734B  SER*     1.3    77.6    -      -       -      +
    736B  THR*     1.3    70.0    +      -       -      +
    737B  THR*     5.4     0.5    -      -       -      +
    741B  LEU*     3.8     1.5    -      -       -      +
    742B  TYR*     2.9    37.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 736 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    706B  ILE*     5.7     3.6    -      -       +      -
    734B  SER*     5.8     0.3    -      -       -      -
    735B  GLU*     1.3    80.5    -      -       -      +
    737B  THR*     1.3    78.9    +      -       -      +
    740B  PHE      3.7     8.3    -      -       -      +
    741B  LEU*     3.4    22.9    -      -       +      +
----------------------------------------------------------
 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