Contacts of the strand formed by residues 181 - 189 (chain H) in PDB entry 1I3R


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 181 (chain H).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27G  ASP      5.4     0.4    -      -       -      -
     29G  ASP*     4.5     1.3    -      -       -      -
    147H  ASP*     3.0    24.8    +      -       -      -
    148H  PHE*     2.8    41.7    +      -       +      -
    149H  TYR*     3.9    20.9    -      +       -      -
    150H  PRO      3.9     0.7    -      -       -      -
    151H  GLY*     3.4    32.1    -      -       -      -
    173H  LEU*     3.3    34.8    -      -       +      -
    174H  VAL      3.2    15.0    -      -       -      -
    175H  ARG*     3.4    55.0    -      -       +      -
    176H  ASN*     3.8     3.0    +      -       -      -
    180H  THR*     1.3    77.4    -      -       -      +
    182H  GLN*     1.3    61.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 182 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     92G  LEU*     4.1    14.2    -      -       -      +
     93G  SER*     2.9    29.4    +      -       -      +
     94G  ARG*     3.4     9.8    +      -       -      +
     95G  SER*     4.7     5.4    -      -       -      -
     96G  PRO*     5.4     1.0    -      -       -      +
    145H  VAL      3.4     6.7    -      -       -      -
    146H  SER*     4.0    18.0    -      -       -      -
    147H  ASP      4.6     0.2    -      -       -      +
    148H  PHE*     3.8     2.9    -      -       -      -
    173H  LEU*     4.2     0.2    -      -       -      -
    174H  VAL*     2.9    47.3    +      -       +      +
    176H  ASN*     2.8    27.3    +      -       -      +
    181H  PHE*     1.3    77.2    -      -       -      +
    183H  THR*     1.3    63.6    +      -       -      +
    184H  LEU*     5.8     5.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 183 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143H  CYS      4.0     0.5    -      -       -      +
    144H  SER*     4.6     0.2    +      -       -      -
    145H  VAL*     2.8    54.6    +      -       +      +
    148H  PHE*     4.4    11.0    -      -       +      -
    153H  ILE*     4.6    12.3    -      -       +      -
    155H  VAL*     4.9     1.3    -      -       +      -
    170H  SER*     3.6    11.3    +      -       -      -
    171H  THR*     4.0     3.1    -      -       -      -
    172H  GLY      2.8    28.1    +      -       -      -
    173H  LEU*     4.5     4.0    -      -       -      -
    182H  GLN*     1.3    79.6    +      -       -      +
    184H  LEU*     1.3    67.5    +      -       -      +
    185H  VAL*     4.5    12.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 184 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96G  PRO*     6.0     0.7    -      -       +      -
    128H  TYR*     4.3     9.2    -      -       -      +
    142H  VAL*     4.1    18.2    -      -       +      -
    143H  CYS      3.7     2.0    -      -       -      -
    144H  SER*     3.6    34.1    -      -       -      +
    170H  SER*     3.3     6.6    +      -       -      -
    171H  THR*     3.2    46.5    +      -       +      +
    182H  GLN*     5.8     4.5    -      -       -      +
    183H  THR*     1.3    77.9    +      -       -      +
    185H  VAL*     1.3    62.1    +      -       -      +
    186H  MET*     4.0    12.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 185 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143H  CYS*     2.9    34.6    +      -       +      +
    145H  VAL*     5.6     0.2    -      -       +      -
    155H  VAL*     3.8    45.8    -      -       +      +
    157H  TRP*     3.2    25.8    +      -       +      +
    168H  ILE*     3.9    22.7    -      -       +      -
    169H  VAL      3.7     3.1    -      -       -      +
    170H  SER*     4.1    12.8    -      -       -      +
    183H  THR*     4.5    11.0    -      -       +      -
    184H  LEU*     1.3    75.9    -      -       -      +
    186H  MET*     1.3    61.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 186 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    309E  NAG      5.7     4.7    -      -       +      -
     20F  VAL*     5.3    10.5    -      -       +      -
    130H  THR*     5.5     0.9    -      -       -      +
    140H  LEU*     3.3    40.6    -      -       +      -
    141H  LEU      3.3     2.7    -      -       -      +
    142H  VAL*     3.3    33.2    -      -       +      -
    157H  TRP*     3.9     2.2    -      -       -      -
    168H  ILE*     3.3    11.3    -      -       -      +
    169H  VAL*     2.7    50.2    +      -       +      +
    170H  SER*     5.1     0.7    -      -       -      -
    171H  THR*     5.1     6.7    -      -       +      -
    184H  LEU*     4.3    25.8    -      -       +      +
    185H  VAL*     1.3    75.4    -      -       -      +
    187H  LEU*     1.3    60.8    +      -       -      +
    188H  GLU      4.2     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 187 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    140H  LEU*     3.6     3.2    -      -       -      +
    141H  LEU*     2.9    39.2    +      -       +      +
    157H  TRP*     3.8    47.1    -      -       +      +
    158H  PHE      5.3     0.4    -      -       -      +
    164H  GLU*     3.9    20.6    -      -       +      +
    166H  THR      3.9    15.5    -      -       -      +
    167H  GLY      3.7     1.1    -      -       -      +
    168H  ILE*     3.5    18.6    -      -       +      -
    186H  MET*     1.3    74.0    -      -       -      +
    188H  GLU*     1.3    62.5    +      -       -      +
    189H  THR*     3.3    33.4    +      -       +      +
    197H  TYR*     4.1    16.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 188 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    309E  NAG      5.3     5.0    -      -       -      +
    138H  HIS*     5.1    13.0    -      -       +      +
    139H  ASN      3.7     3.8    -      -       -      +
    140H  LEU*     3.2    25.3    -      -       +      +
    166H  THR      5.3     0.2    -      -       -      +
    167H  GLY*     2.8    41.3    +      -       -      +
    169H  VAL*     3.5    24.8    -      -       +      +
    187H  LEU*     1.3    70.5    -      -       -      +
    189H  THR*     1.3    64.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 189 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    138H  HIS*     4.2     2.2    -      -       -      +
    139H  ASN*     2.6    37.8    +      -       -      +
    141H  LEU*     4.9     4.9    -      -       -      +
    159H  ARG*     4.2    16.6    -      -       -      +
    164H  GLU*     4.7     8.3    -      -       -      +
    187H  LEU*     3.3    36.2    +      -       +      +
    188H  GLU*     1.3    80.1    -      -       -      +
    190H  VAL*     1.3    67.2    +      -       -      +
    191H  PRO*     3.7     8.7    -      -       -      +
    197H  TYR*     3.7    25.8    +      -       +      -
----------------------------------------------------------
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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