Contacts of the strand formed by residues 233 - 244 (chain A) in PDB entry 2BZG


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 233 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    191A  LYS*     4.4    16.0    +      -       -      +
    223A  PHE*     3.6    21.2    -      -       +      -
    231A  GLY      5.8     0.2    -      -       -      -
    232A  ILE*     1.3    75.2    -      -       -      +
    234A  CYS*     1.3    76.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 234 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    186A  SER      4.2     0.8    -      -       -      +
    187A  TYR*     3.8    12.6    -      -       -      +
    188A  ASP      5.2     0.5    +      -       -      -
    223A  PHE*     3.9     6.1    -      -       -      -
    232A  ILE*     3.5    14.4    -      -       -      +
    233A  ASP*     1.3    95.8    +      -       -      +
    235A  LEU*     1.3    64.0    +      -       -      +
    236A  PHE*     4.6    20.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 235 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185A  LEU*     4.0    24.0    -      -       +      -
    186A  SER      3.5    16.6    -      -       -      +
    187A  TYR*     3.8    26.0    -      -       +      -
    221A  ASP*     3.2     9.4    +      -       -      +
    222A  ALA*     2.8    42.1    +      -       +      +
    223A  PHE*     3.8    15.7    -      -       +      +
    227A  HIS*     3.4    43.3    -      -       +      +
    230A  TRP*     4.3     7.4    -      -       +      -
    232A  ILE*     3.9     9.6    -      -       +      -
    234A  CYS*     1.3    76.6    -      -       -      +
    236A  PHE*     1.3    64.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 236 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    184A  VAL      4.0     0.2    -      -       -      +
    185A  LEU*     3.4     6.2    -      -       -      +
    186A  SER*     2.8    46.8    +      -       -      -
    219A  LYS*     3.9    38.8    -      -       +      -
    220A  VAL*     3.2    20.4    -      -       -      -
    221A  ASP*     4.0    22.7    -      -       +      -
    222A  ALA*     4.2     2.7    -      -       -      -
    234A  CYS*     4.6    22.0    -      -       +      -
    235A  LEU*     1.3    82.4    -      -       -      +
    237A  GLU*     1.3    59.8    +      -       -      +
    238A  LYS*     5.7     0.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 237 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42A  GLN*     5.6     3.1    +      -       -      -
     46A  HIS*     2.6    40.4    +      -       -      -
     48A  LEU*     4.5     7.2    -      -       +      +
    152A  ARG*     4.2     7.0    +      -       -      +
    183A  CYS*     3.4    15.5    -      -       +      +
    184A  VAL      3.4    12.1    -      -       -      +
    185A  LEU*     3.9    14.0    -      -       +      +
    218A  GLU      3.9     0.5    -      -       -      +
    219A  LYS*     3.2     3.5    -      -       -      -
    220A  VAL*     2.8    43.1    +      -       +      +
    222A  ALA*     3.9    18.5    -      -       +      +
    236A  PHE*     1.3    75.6    -      -       -      +
    238A  LYS*     1.3    72.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 238 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48A  LEU*     4.9     0.4    -      -       -      -
    182A  LEU      3.5     1.7    -      -       -      +
    183A  CYS*     3.3     6.3    -      -       -      +
    184A  VAL*     2.9    41.5    +      -       +      +
    186A  SER*     4.8    19.0    +      -       -      -
    201A  HIS*     4.9    11.7    -      -       -      +
    216A  CYS*     4.1     7.6    -      -       -      -
    218A  GLU      3.1    12.8    -      -       -      +
    219A  LYS*     3.8    38.1    -      -       +      +
    236A  PHE      4.3     0.4    -      -       -      -
    237A  GLU*     1.3    81.6    -      -       -      +
    239A  LEU*     1.3    58.8    +      -       -      +
    240A  TYR*     3.8    37.0    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 239 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48A  LEU*     4.0    33.6    -      -       +      +
     49A  LEU      4.9     0.2    -      -       -      +
     52A  HIS*     3.9    26.7    -      -       +      +
     56A  PHE*     4.1    19.3    -      -       +      -
    150A  TRP*     3.9    17.7    -      -       +      -
    181A  LEU*     4.6     4.3    -      -       +      -
    182A  LEU      3.5     6.7    -      -       -      +
    183A  CYS*     3.9    22.9    -      -       -      +
    216A  CYS*     3.6     2.5    -      -       -      -
    217A  LEU*     2.8    40.0    +      -       +      +
    218A  GLU*     3.0    15.2    +      -       +      +
    238A  LYS*     1.3    72.5    -      -       -      +
    240A  TYR*     1.3    69.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 240 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    180A  TYR      3.7     0.2    -      -       -      +
    181A  LEU*     3.5     5.5    -      -       -      +
    182A  LEU*     2.8    48.0    +      -       +      +
    184A  VAL*     3.9     7.8    -      -       +      +
    201A  HIS*     2.7    42.7    +      +       -      +
    204A  ILE*     3.3    31.2    -      -       +      +
    214A  ILE*     3.6    22.4    -      -       +      -
    215A  ARG      3.1    18.8    -      -       -      -
    216A  CYS*     3.6    20.8    -      -       +      +
    217A  LEU*     4.9     0.2    -      -       -      -
    238A  LYS*     3.8    37.2    +      -       +      +
    239A  LEU*     1.3    84.5    -      -       -      +
    241A  LEU*     1.3    59.4    +      -       -      +
    242A  LEU*     3.9    13.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 241 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56A  PHE*     4.3    14.8    -      -       +      -
    179A  GLN*     3.9    31.9    -      -       +      +
    180A  TYR      3.6     1.3    -      -       -      +
    181A  LEU*     3.6    25.6    -      -       +      -
    213A  ASN*     3.7     2.8    -      -       -      +
    215A  ARG*     2.8    68.2    +      -       +      +
    217A  LEU*     3.8    19.2    -      -       +      +
    240A  TYR*     1.3    74.0    -      -       -      +
    242A  LEU*     1.3    64.1    +      -       -      +
    243A  THR*     3.9    18.1    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 242 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    178A  PHE*     3.6     3.8    -      -       -      -
    180A  TYR*     2.8    65.0    +      -       +      +
    182A  LEU*     4.3    13.2    -      -       +      -
    204A  ILE*     4.6     3.1    -      -       +      -
    208A  PHE*     3.6    45.1    -      -       +      -
    212A  CYS*     4.1    11.9    -      -       +      -
    213A  ASN      3.4     3.6    -      -       -      +
    214A  ILE*     4.0    27.1    -      -       +      -
    240A  TYR*     3.9    22.2    -      -       +      -
    241A  LEU*     1.3    80.0    -      -       -      +
    243A  THR*     1.3    63.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 243 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    178A  PHE*     3.5    24.9    -      -       -      +
    179A  GLN*     4.2     7.6    -      -       +      +
    212A  CYS*     3.2     6.1    -      -       -      -
    213A  ASN*     2.8    49.0    +      -       -      +
    215A  ARG*     5.7     2.2    -      -       -      -
    241A  LEU*     3.9    27.5    +      -       +      -
    242A  LEU*     1.3    79.7    -      -       -      +
    244A  GLU*     1.3    69.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 244 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176A  LYS      3.6    21.5    -      -       -      +
    177A  LYS*     3.6    34.4    +      -       +      +
    178A  PHE*     3.1    45.6    +      -       +      +
    211A  ILE*     4.1     3.6    -      -       +      -
    213A  ASN*     4.3     3.1    -      -       -      +
    243A  THR*     1.3    83.4    +      -       -      +
    245A  LYS*     1.3    74.0    +      -       -      +
----------------------------------------------------------
 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