Contacts of the strand formed by residues 372 - 376 (chain A) in PDB entry 3E6G


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 LEU 372 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    161A  PRO*     4.8     3.6    -      -       +      +
    162A  MET*     3.4    39.0    -      -       +      -
    289A  ILE*     4.2    12.6    -      -       +      -
    314A  SER*     3.5    16.8    -      -       -      +
    315A  ILE      2.9    12.6    -      -       -      +
    316A  VAL*     3.8    11.0    -      -       +      -
    349A  HIS*     4.2     5.9    -      -       -      -
    350A  PRO*     3.1    27.3    -      -       +      +
    367A  GLY      4.4     7.4    -      -       -      +
    368A  ILE*     4.4    13.9    -      -       +      -
    369A  SER*     3.4    16.0    +      -       -      +
    370A  ASP      3.4     0.6    -      -       -      -
    371A  ALA*     1.3    78.4    -      -       -      +
    373A  VAL*     1.3    87.1    +      -       -      +
    374A  ARG      4.1     0.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 373 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    314A  SER*     3.2     2.9    -      -       -      -
    315A  ILE*     2.8    63.5    +      -       +      +
    317A  LEU*     4.2     5.6    -      -       +      -
    324A  ALA*     4.1    14.1    -      -       +      -
    327A  PHE*     3.7    19.7    -      -       +      -
    328A  CYS*     3.7    25.1    -      -       -      -
    347A  VAL*     4.6     2.0    -      -       +      -
    348A  ASN      3.6     9.6    -      -       -      +
    349A  HIS*     4.0    16.2    -      -       +      +
    350A  PRO*     4.1     0.2    -      -       -      -
    371A  ALA      3.8     1.0    +      -       -      -
    372A  LEU*     1.3    83.9    -      -       -      +
    374A  ARG*     1.3    60.1    +      -       -      +
    375A  LEU*     3.9     6.7    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 374 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    160A  ASN*     2.8    36.9    +      -       -      +
    161A  PRO*     3.6    19.5    -      -       +      +
    312A  ILE*     3.8    25.8    -      -       +      -
    314A  SER*     3.5    10.8    -      -       -      +
    338A  GLU      3.1    24.5    +      -       -      -
    339A  SER      4.6     1.6    +      -       -      -
    340A  LEU*     3.4    29.1    -      -       +      +
    346A  LEU*     5.8     0.6    -      -       -      +
    347A  VAL*     3.6     6.9    -      -       -      +
    348A  ASN*     2.9    66.7    +      -       -      +
    350A  PRO*     4.4     1.8    -      -       +      +
    354A  THR*     4.4     7.1    +      -       -      +
    373A  VAL*     1.3    70.9    -      -       -      +
    375A  LEU*     1.3    65.4    +      -       -      +
    376A  SER*     3.7     7.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 375 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    275A  LEU*     5.8     2.0    -      -       +      -
    279A  LEU*     3.9    27.6    -      -       +      -
    312A  ILE*     3.4     8.3    -      -       -      +
    313A  VAL*     2.6    53.5    +      -       +      +
    315A  ILE*     4.3    12.1    -      -       +      -
    327A  PHE*     3.9    20.4    -      -       +      -
    334A  PHE*     4.0    24.0    -      -       +      -
    346A  LEU      3.8     2.2    -      -       -      -
    347A  VAL*     3.7    24.7    -      -       +      -
    373A  VAL*     3.9     3.3    +      -       +      -
    374A  ARG*     1.3    74.6    -      -       -      +
    376A  SER*     1.3    59.8    +      -       -      +
    377A  VAL*     3.6     7.0    +      -       +      -
    389A  LEU*     4.1    20.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 376 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211A  TYR*     4.6     5.0    +      -       -      -
    311A  GLY      3.9     3.1    -      -       -      -
    312A  ILE*     4.7     5.4    -      -       -      -
    334A  PHE*     4.6     0.7    -      -       -      -
    340A  LEU*     3.6    15.9    -      -       -      +
    341A  GLY*     3.3    25.8    +      -       -      -
    342A  GLY      4.7     2.8    +      -       -      -
    344A  GLU      4.4     1.0    +      -       -      +
    345A  SER*     3.4     1.2    -      -       -      -
    346A  LEU*     2.7    57.9    +      -       -      +
    374A  ARG*     3.7     8.4    +      -       -      +
    375A  LEU*     1.3    71.6    -      -       -      +
    377A  VAL*     1.3    64.1    +      -       -      +
    378A  GLY      3.4     0.9    +      -       -      -
----------------------------------------------------------
 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