Contacts of the strand formed by residues 30 - 34 (chain C) in PDB entry 1EV2


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 PHE 30 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24C  TYR*     4.6     0.2    -      -       -      -
     25C  CYS*     2.8    32.7    +      -       +      +
     27C  ASN      3.4    13.9    +      -       -      -
     28C  GLY*     3.8    13.5    -      -       -      -
     29C  GLY*     1.3    78.2    -      -       -      +
     31C  PHE*     1.3    63.6    +      -       -      +
     32C  LEU      3.8     0.2    +      -       -      -
     42C  GLY*     3.9     8.3    -      -       -      -
     43C  VAL*     3.5    23.3    -      -       -      +
     44C  ARG*     2.9    47.8    -      -       +      -
    118C  LEU*     4.2     9.6    -      -       +      -
    119C  LYS      3.5    15.7    -      -       -      -
    120C  ARG      3.3    27.8    -      -       -      -
    121C  THR      3.6     5.8    -      -       -      -
    122C  GLY*     3.5    23.6    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 31 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     22C  ARG*     4.0    29.4    -      -       +      -
     23C  LEU      3.5     2.2    -      -       -      +
     24C  TYR*     3.7    33.4    -      +       +      -
     29C  GLY      5.2     0.9    -      -       -      -
     30C  PHE*     1.3    73.9    -      -       -      +
     32C  LEU*     1.3    64.6    +      -       -      +
     33C  ARG*     3.2     4.3    +      -       -      +
     42C  GLY*     3.3     2.3    -      -       -      -
     43C  VAL      2.7    41.7    +      -       -      +
     44C  ARG*     3.7    21.3    -      -       -      -
     45C  GLU      4.5     0.7    -      -       -      -
     46C  LYS*     3.8    27.1    -      -       +      -
     51C  ILE*     3.9    26.4    -      -       +      +
    118C  LEU*     4.7     0.2    -      -       -      -
    142C  MET*     3.9    16.2    -      -       +      -
    166G  LEU*     3.5    28.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 32 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23C  LEU*     2.9    46.2    +      -       +      +
     30C  PHE      3.8     1.2    +      -       -      -
     31C  PHE*     1.3    71.6    -      -       -      +
     33C  ARG*     1.3    64.0    +      -       -      +
     34C  ILE*     5.1     3.6    -      -       +      -
     40C  VAL*     3.8    25.8    -      -       +      -
     41C  ASP      3.9     6.3    -      -       -      +
     51C  ILE*     3.5    22.3    -      -       -      +
     53C  LEU*     4.1    15.6    -      -       +      +
     65C  ILE*     5.1     1.3    -      -       +      -
     74C  LEU*     4.2    25.6    -      -       +      -
     82C  LEU*     5.4     1.1    -      -       +      -
    116C  VAL*     4.5    15.7    -      -       +      -
    118C  LEU*     4.2    22.5    -      -       +      +
    139C  PHE*     4.4    10.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 33 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31C  PHE      4.1     3.6    -      -       -      +
     32C  LEU*     1.3    74.7    -      -       -      +
     34C  ILE*     1.3    68.7    +      -       -      +
     35C  HIS*     4.5     6.3    -      -       +      +
     39C  ARG      3.9     0.5    -      -       -      +
     40C  VAL*     3.5    10.4    -      -       -      +
     41C  ASP*     2.7    71.3    +      -       -      +
     43C  VAL*     2.9    30.4    -      -       +      +
     48C  ASP*     2.7    43.6    +      -       -      -
     50C  HIS*     3.5    23.1    -      -       +      +
     51C  ILE*     4.0     7.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 34 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32C  LEU*     5.1     5.2    -      -       +      -
     33C  ARG*     1.3    76.3    -      -       -      +
     35C  HIS*     1.3    64.0    +      -       -      +
     39C  ARG      3.9     2.7    -      -       -      +
     40C  VAL*     4.5    10.1    -      -       +      -
     50C  HIS*     2.9    28.3    +      -       -      +
     53C  LEU*     3.6    26.0    -      -       +      -
     65C  ILE*     4.3     7.0    -      -       +      +
     67C  GLY*     3.7    22.7    -      -       -      +
     70C  ALA*     3.4    24.5    +      -       +      +
     72C  ARG*     4.5     2.7    -      -       +      +
     74C  LEU*     4.3    29.8    -      -       +      +
     84C  ALA*     3.3    29.4    -      -       +      -
----------------------------------------------------------
 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