Contacts of the strand formed by residues 209 - 213 (chain C) in PDB entry 2OX4


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 ASP 209 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185A  LEU      5.0     1.9    -      -       -      +
    186A  PRO*     4.8     9.0    -      -       -      +
    187A  SER      5.0     7.3    +      -       -      -
    125C  ARG*     2.7    35.0    +      -       -      +
    161C  ASP      2.9     8.8    +      -       -      +
    162C  ALA*     3.2     7.2    -      -       +      -
    163C  VAL*     2.9    30.7    +      -       -      +
    201C  ARG*     4.7     2.7    +      -       -      +
    206C  PRO      4.9     5.4    -      -       -      +
    207C  ASP      5.3     2.7    -      -       -      +
    208C  VAL*     1.3    77.7    -      -       -      +
    210C  ILE*     1.3    59.2    +      -       -      +
    211C  ILE*     4.2     0.9    -      -       +      -
    234C  ASN*     4.4    13.9    -      -       -      +
    236C  PHE*     3.4    36.7    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 210 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    163C  VAL*     3.5    10.8    -      -       +      +
    165C  VAL*     4.5    13.5    -      -       +      -
    197C  VAL*     4.3    12.1    -      -       +      +
    200C  ILE*     3.8    22.7    -      -       +      -
    201C  ARG*     3.4    64.8    -      -       +      +
    204C  VAL*     4.5     2.7    -      -       +      -
    208C  VAL      4.1     1.6    -      -       -      +
    209C  ASP*     1.3    78.9    -      -       -      +
    211C  ILE*     1.3    69.4    +      -       -      +
    212C  VAL*     4.4    12.6    -      -       +      -
    233C  PHE      4.9     1.3    -      -       -      +
    234C  ASN      4.8     0.2    +      -       -      -
    235C  ILE*     3.6    13.2    -      -       +      +
    236C  PHE*     2.8    29.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 211 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    127C  TYR*     3.6    42.8    -      -       +      -
    162C  ALA*     5.1     2.7    -      -       +      -
    163C  VAL      2.9    14.1    +      -       -      +
    164C  LYS*     3.3    22.5    -      -       +      +
    165C  VAL*     3.0    30.5    +      -       -      +
    209C  ASP      5.5     0.4    -      -       -      -
    210C  ILE*     1.3    75.9    -      -       -      +
    212C  VAL*     1.3    67.0    -      -       -      +
    236C  PHE*     4.0    21.8    -      -       +      -
    237C  PHE*     3.4    52.5    -      -       +      +
    239C  GLU*     4.6     1.6    -      -       +      +
    338C  ILE*     4.9     2.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 212 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165C  VAL*     3.5     9.2    -      -       +      +
    167C  VAL*     4.3     7.0    -      -       +      -
    197C  VAL*     4.1    15.5    -      -       +      -
    210C  ILE*     4.4     5.8    -      -       +      -
    211C  ILE*     1.3    77.7    -      -       -      +
    213C  GLU*     1.3    60.4    +      -       -      +
    214C  ASN*     3.7    19.5    -      -       -      +
    226C  PHE*     4.1    15.7    -      -       +      -
    230C  ILE*     3.9     8.7    -      -       +      -
    235C  ILE*     3.9    30.3    -      -       +      +
    237C  PHE      3.1     8.1    +      -       -      +
    238C  TYR*     3.4    22.6    -      -       +      -
    239C  GLU*     2.9    26.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 213 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130C  GLN*     3.1    22.0    +      -       -      +
    164C  LYS*     3.6    19.5    +      -       +      -
    165C  VAL      2.9    17.2    +      -       -      +
    166C  ASP*     3.1    28.6    -      -       +      +
    167C  VAL      4.3     0.9    +      -       -      -
    212C  VAL*     1.3    72.4    -      -       -      +
    214C  ASN*     1.3    64.0    +      -       -      +
    215C  HIS*     2.9    52.4    +      -       +      +
    239C  GLU*     3.0    22.6    -      -       -      +
    240C  GLU*     4.0     1.4    -      -       -      +
    402C   MG      2.2    31.8    -      -       -      -
----------------------------------------------------------
 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