Contacts of the strand formed by residues 183 - 189 (chain D) in PDB entry 1O94


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 SER 183 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    142C  HIS      4.9     2.2    +      -       -      -
    143C  ALA*     6.4     0.2    -      -       -      -
    172C  VAL*     3.7    17.2    -      -       -      +
    173C  GLU      3.2    15.7    -      -       -      -
    174C  ILE*     4.0    13.5    -      -       -      +
    175C  ASN*     5.4     0.7    -      -       -      +
     71D  ASP*     3.4    17.7    +      -       -      +
     72D  PRO*     4.0    17.5    -      -       -      +
     73D  ASP*     4.7     0.7    +      -       -      -
    181D  SER*     3.1    21.0    +      -       -      +
    182D  ARG*     1.3    82.2    -      -       -      +
    184D  GLN*     1.3    72.1    +      -       -      +
    185D  ASN*     5.2     1.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 184 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    172C  VAL*     3.4     2.3    -      -       -      -
    173C  GLU*     2.8    46.8    +      -       +      +
     66D  SER*     6.0     2.2    -      -       -      -
    180D  GLN*     3.1    35.9    +      -       -      +
    181D  SER*     5.1     1.2    -      -       -      -
    183D  SER*     1.3    79.7    +      -       -      +
    185D  ASN*     1.3    70.2    +      -       -      +
    186D  LYS*     3.4    22.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 185 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    170C  GLN*     3.6    25.3    +      -       -      +
    171C  GLU      3.8     4.0    -      -       -      -
    172C  VAL*     3.7    20.5    -      -       -      +
     67D  SER*     4.3    11.3    -      -       -      -
     69D  ASP*     3.9    12.9    +      -       -      +
     70D  PHE      2.8    32.0    +      -       -      +
     71D  ASP*     4.4     9.3    +      -       -      +
     72D  PRO*     5.7     1.2    -      -       -      +
    183D  SER*     5.2     1.4    +      -       -      -
    184D  GLN*     1.3    79.5    +      -       -      +
    186D  LYS*     1.3    69.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 186 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159C  VAL*     5.9     2.0    -      -       +      -
    170C  GLN*     4.8     3.6    -      -       -      +
    171C  GLU*     2.8    39.0    +      -       +      +
    172C  VAL      4.7     0.2    -      -       -      -
    173C  GLU*     4.3    27.2    +      -       +      +
    184D  GLN*     3.8    25.8    +      -       -      +
    185D  ASN*     1.3    89.2    -      -       -      +
    187D  ASP*     1.3    71.2    +      -       +      +
    188D  TYR*     4.1     3.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 187 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    170C  GLN*     3.7     2.6    -      -       -      +
    171C  GLU*     3.0    30.7    +      -       +      +
    186D  LYS*     1.3    86.1    -      -       -      +
    188D  TYR*     1.3    71.0    +      -       -      +
    189D  VAL*     4.1     5.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 188 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162C  ARG*     5.6     1.4    +      -       -      -
    164C  LEU*     3.6    25.8    -      -       +      -
    168C  MET*     4.1    11.7    -      -       +      -
    169C  LEU      3.3    13.5    -      -       -      -
    170C  GLN*     3.4    30.5    +      -       +      -
     10D  ARG*     3.8    15.2    +      -       +      +
     11D  ARG*     3.5    52.5    +      -       +      +
     69D  ASP*     2.7    33.2    +      -       +      +
    186D  LYS      5.4     3.1    -      -       -      -
    187D  ASP*     1.3    82.3    -      -       -      +
    189D  VAL*     1.3    64.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 189 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    161C  ARG*     3.7    41.7    -      -       -      +
    168C  MET*     3.7    19.1    -      -       -      +
    169C  LEU*     2.7    52.2    +      -       +      +
    171C  GLU*     4.8     5.4    -      -       +      -
     11D  ARG*     6.1     0.4    -      -       -      -
    187D  ASP*     4.4    10.1    -      -       +      +
    188D  TYR*     1.3    79.2    -      -       -      +
----------------------------------------------------------
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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