Contacts of the strand formed by residues 86 - 92 (chain M) in PDB entry 1BRN


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 86 (chain M).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7M  PHE*     4.0    16.8    -      -       +      -
     76M  ILE*     3.1    33.2    +      -       +      +
     77M  ASN*     2.8    30.2    +      -       -      +
     84M  ASN*     3.0     9.8    +      -       -      +
     85M  SER*     1.3    78.6    -      -       -      +
     87M  ARG*     1.3    78.8    +      -       -      +
     99M  THR      3.5     3.4    -      -       -      -
    100M  THR*     3.5    26.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 87 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3B    A      2.9    47.3    +      -       -      -
      7M  PHE*     3.4    10.5    -      -       -      -
     73M  GLU*     3.7     5.6    -      -       +      -
     74M  ALA      3.2    12.6    -      -       -      +
     75M  ASP*     3.2    29.9    +      -       -      -
     76M  ILE*     4.1     1.3    -      -       -      -
     83M  ARG*     3.6    11.5    -      -       -      +
     84M  ASN*     3.0    38.6    +      -       -      +
     85M  SER      3.8     3.8    +      -       -      +
     86M  ASP*     1.3    91.5    +      -       -      +
     88M  ILE*     1.3    63.1    +      -       -      +
     89M  LEU*     4.1     3.6    -      -       +      -
     98M  LYS*     3.5     0.5    -      -       -      -
     99M  THR*     3.0    47.2    +      -       +      +
    102M  HIS*     3.9     5.7    -      -       +      -
    103M  TYR*     3.2    30.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 88 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7M  PHE*     3.8    16.4    -      -       +      +
     10M  VAL*     4.0    15.0    -      -       +      -
     11M  ALA*     3.8    24.9    -      -       -      +
     14M  LEU*     4.2    10.8    -      -       +      -
     73M  GLU*     3.2     6.8    -      -       -      +
     74M  ALA*     2.9    54.5    +      -       +      +
     76M  ILE*     3.8    18.5    -      -       +      +
     87M  ARG*     1.3    75.8    -      -       -      +
     89M  LEU*     1.3    64.2    +      -       -      +
     90M  TYR*     4.3     2.5    +      -       +      -
     96M  ILE*     3.7    25.1    -      -       +      -
     97M  TYR      3.5     9.6    -      -       -      +
    109M  ILE*     3.9     9.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 89 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56M  PHE*     3.6    40.8    -      -       +      -
     63M  LEU*     3.9     4.9    -      -       +      -
     71M  TRP*     4.1    11.6    -      -       +      -
     72M  ARG      3.4     5.6    -      -       -      +
     73M  GLU*     3.7    14.8    -      -       +      -
     87M  ARG*     3.9     8.5    -      -       +      +
     88M  ILE*     1.3    80.7    -      -       -      +
     90M  TYR*     1.3    61.9    +      -       -      +
     95M  LEU      3.8     0.3    -      -       -      +
     96M  ILE*     3.4     5.4    -      -       -      +
     97M  TYR*     2.7    49.7    +      -       +      +
     99M  THR*     3.7    30.5    -      -       +      +
    103M  TYR*     4.2     2.5    -      -       +      -
    106M  PHE*     3.7    20.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 90 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14M  LEU*     3.9    32.1    -      -       +      -
     19M  LYS*     6.0     1.1    -      -       -      -
     20M  LEU*     3.5    40.1    -      -       +      +
     53M  GLY*     3.5    13.3    -      -       -      -
     70M  THR      4.1     0.2    -      -       -      +
     71M  TRP*     3.5     4.8    -      -       -      -
     72M  ARG*     2.8    72.8    +      -       +      +
     73M  GLU      4.2    10.3    -      -       -      -
     74M  ALA*     4.6     0.7    -      -       +      -
     88M  ILE*     4.5     6.7    -      -       +      -
     89M  LEU*     1.3    77.3    -      -       -      +
     91M  SER*     1.3    63.2    +      -       -      +
     94M  TRP*     3.7    28.9    -      +       +      -
     95M  LEU      3.3     8.7    -      -       -      +
     96M  ILE*     4.4     6.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 91 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69M  ARG*     3.7    16.4    -      -       -      -
     70M  THR      3.1    11.4    -      -       -      -
     71M  TRP*     3.6    14.8    -      -       -      -
     90M  TYR*     1.3    77.7    -      -       -      +
     92M  SER*     1.3    65.2    +      -       -      +
     93M  ASP*     2.5    26.3    +      -       -      -
     94M  TRP*     3.0    25.3    +      -       -      -
     95M  LEU*     2.9    33.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 92 (chain M). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     68M  GLY      3.8     4.3    +      -       -      -
     69M  ARG*     3.4    10.7    -      -       -      +
     70M  THR*     2.8    43.4    +      -       -      -
     91M  SER*     1.3    72.4    -      -       -      +
     93M  ASP*     1.3    57.8    +      -       -      +
     94M  TRP*     3.3    21.0    +      -       -      -
----------------------------------------------------------
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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