Contacts of the helix formed by residues 166 - 184 (chain G) in PDB entry 7CR3


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 LYS 166 (chain G).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    154G  TYR*     3.9    23.3    +      -       +      +
    162G  LYS*     3.1    14.7    +      -       +      +
    163G  PHE*     3.2    37.5    -      -       +      +
    164G  ALA      3.2     1.2    -      -       -      -
    165G  ARG*     1.3    74.7    -      -       -      +
    167G  PRO*     1.3    78.0    -      -       +      +
    168G  PHE*     3.3     5.2    -      -       +      +
    169G  CYS*     3.2    14.4    +      -       -      +
    170G  VAL*     3.1    19.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 167 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165G  ARG      3.3     5.5    -      -       -      +
    166G  LYS*     1.3    89.8    -      -       +      +
    168G  PHE*     1.3    64.6    +      -       +      +
    170G  VAL*     3.1    12.0    +      -       +      +
    171G  ILE*     3.0    31.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 168 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    166G  LYS*     3.3     4.6    -      -       +      -
    167G  PRO*     1.3    81.6    -      -       +      +
    169G  CYS*     1.3    63.4    +      -       -      +
    171G  ILE*     3.2    13.1    +      -       +      +
    172G  ASP*     2.8    38.8    +      -       -      +
    209G  ILE      5.6     0.2    -      -       -      -
    210G  ARG*     3.0    59.5    -      -       +      -
    213G  ARG*     3.2    58.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 169 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    141G  TYR*     3.5    31.6    -      -       +      +
    144G  ARG*     4.5    22.0    -      -       -      -
    145G  ILE*     4.9     1.6    -      -       +      -
    163G  PHE*     3.7    34.8    -      -       -      +
    164G  ALA*     4.5     3.4    -      -       -      +
    166G  LYS*     3.2    16.2    +      -       -      +
    168G  PHE*     1.3    83.9    -      -       -      +
    170G  VAL*     1.3    57.9    +      -       -      +
    172G  ASP*     4.1     5.4    -      -       -      -
    173G  ILE*     2.9    27.2    +      -       -      +
    213G  ARG*     6.1     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 170 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164G  ALA      3.3    18.6    -      -       -      +
    165G  ARG*     4.1     6.5    -      -       -      +
    166G  LYS      3.1    20.3    +      -       -      +
    167G  PRO*     3.1    10.2    +      -       +      +
    169G  CYS*     1.3    74.2    -      -       -      +
    171G  ILE*     1.3    66.1    +      -       +      +
    173G  ILE*     3.2    14.4    -      -       +      +
    174G  MET*     2.8    33.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 171 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    167G  PRO*     3.0    20.1    +      -       +      +
    168G  PHE*     3.2    13.2    +      -       +      +
    170G  VAL*     1.3    80.4    -      -       +      +
    172G  ASP*     1.3    65.8    +      -       -      +
    174G  MET*     3.2    31.1    -      -       +      +
    175G  VAL*     3.0    23.7    +      -       +      +
    206G  LEU*     4.5    19.5    -      -       +      -
    210G  ARG*     6.0     3.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 172 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    141G  TYR*     4.1    18.3    -      -       +      -
    144G  ARG*     5.1     1.6    +      -       -      -
    168G  PHE*     2.8    35.6    +      -       -      +
    169G  CYS*     3.5     9.2    -      -       -      +
    170G  VAL      3.2     0.4    -      -       -      -
    171G  ILE*     1.3    78.6    -      -       -      +
    173G  ILE*     1.3    62.9    +      -       -      +
    175G  VAL*     3.1    11.9    -      -       -      +
    176G  LEU*     3.0    29.5    +      -       +      +
    210G  ARG*     2.6    54.0    +      -       -      +
    213G  ARG*     4.9     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 173 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    141G  TYR*     3.5    33.8    -      -       +      +
    169G  CYS      2.9    18.5    +      -       -      +
    170G  VAL*     3.2    21.8    -      -       +      +
    172G  ASP*     1.3    73.3    -      -       -      +
    174G  MET*     1.3    65.5    +      -       -      +
    176G  LEU*     3.6    18.3    -      -       +      +
    177G  ILE*     3.1    46.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 174 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    170G  VAL*     2.8    21.9    +      -       +      +
    171G  ILE*     3.2    40.4    -      -       +      +
    173G  ILE*     1.3    78.8    -      -       -      +
    175G  VAL*     1.3    60.1    +      -       -      +
    177G  ILE*     3.8     4.3    -      -       -      +
    178G  ALA*     2.8    33.7    +      -       +      +
    203G  LEU*     6.0     2.0    -      -       +      -
    206G  LEU*     4.3    19.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 175 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134G  ILE*     5.1     0.9    -      -       +      -
    137G  PHE*     6.0     5.4    -      -       +      -
    171G  ILE      3.0    12.5    +      -       -      +
    172G  ASP*     3.1    22.7    -      -       -      +
    174G  MET*     1.3    77.8    -      -       +      +
    176G  LEU*     1.3    61.6    +      -       +      +
    178G  ALA*     3.9     6.1    -      -       -      -
    179G  SER*     2.7    31.3    +      -       -      +
    203G  LEU*     3.9    24.7    -      -       +      -
    206G  LEU*     4.0    23.8    -      -       +      -
    207G  ARG*     4.2    33.2    -      -       +      +
    210G  ARG*     6.1     3.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 176 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134G  ILE*     3.7    15.7    -      -       +      -
    137G  PHE*     3.5    41.7    -      -       +      +
    138G  GLY*     4.0     7.9    -      -       -      +
    141G  TYR*     4.1    23.1    -      -       +      -
    172G  ASP*     3.0    25.3    +      -       +      +
    173G  ILE*     3.6    29.6    -      -       +      +
    175G  VAL*     1.3    80.8    -      -       +      +
    177G  ILE*     1.3    64.2    +      -       +      +
    179G  SER*     2.7    21.0    +      -       -      -
    180G  ILE*     3.1    20.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 177 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    173G  ILE*     3.1    39.9    +      -       +      +
    174G  MET*     4.1     3.4    -      -       -      +
    176G  LEU*     1.3    74.9    -      -       +      +
    178G  ALA*     1.3    57.3    +      -       -      +
    180G  ILE*     3.4    11.1    +      -       +      +
    181G  ALA*     2.9    29.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 178 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174G  MET*     2.8    22.8    +      -       +      +
    175G  VAL*     3.6     9.4    -      -       -      +
    176G  LEU      3.1     0.2    -      -       -      -
    177G  ILE*     1.3    77.8    -      -       -      +
    179G  SER*     1.3    57.8    +      -       -      +
    181G  ALA*     2.9    10.4    +      -       -      +
    182G  VAL*     2.9    31.7    +      -       +      +
    203G  LEU*     4.1    17.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 179 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130G  GLU*     4.0    17.5    -      -       -      -
    134G  ILE*     3.1    21.0    -      -       -      +
    175G  VAL*     2.7    21.0    +      -       -      +
    176G  LEU      2.7    11.3    +      -       -      -
    178G  ALA*     1.3    72.8    -      -       -      +
    180G  ILE*     1.3    60.2    +      -       -      +
    182G  VAL*     3.0    23.5    +      -       -      +
    183G  LEU*     3.0    16.6    +      -       -      +
    203G  LEU*     4.4     3.7    -      -       -      +
    207G  ARG*     4.5    20.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 180 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134G  ILE*     4.3    20.0    -      -       +      -
    176G  LEU*     3.1    22.0    +      -       +      +
    177G  ILE*     3.7    10.1    -      -       +      +
    179G  SER*     1.3    76.2    -      -       -      +
    181G  ALA*     1.3    57.2    +      -       -      +
    183G  LEU*     3.1    10.6    +      -       +      +
    184G  ALA*     2.8    29.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 181 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    177G  ILE*     2.9    15.3    +      -       +      +
    178G  ALA*     2.9    14.0    +      -       -      +
    180G  ILE*     1.3    74.6    -      -       -      +
    182G  VAL*     1.3    58.2    +      -       +      +
    184G  ALA*     2.9    33.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 182 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    178G  ALA*     2.9    17.4    +      -       +      +
    179G  SER*     3.0    15.0    +      -       -      +
    181G  ALA*     1.3    76.4    -      -       +      +
    183G  LEU*     1.3    65.9    +      -       +      +
    184G  ALA      3.7     4.7    -      -       -      +
    196G  ALA*     4.5    28.5    -      -       +      +
    199G  SER*     4.7     7.9    -      -       -      +
    200G  LEU*     5.4    14.4    -      -       +      -
    203G  LEU*     4.5    13.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 183 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    127G  TYR*     5.3    19.1    -      -       +      -
    130G  GLU*     3.4    36.6    -      -       -      +
    131G  ILE*     4.5    15.0    -      -       +      -
    179G  SER      3.0    12.5    +      -       -      +
    180G  ILE*     3.1    10.7    +      -       +      +
    182G  VAL*     1.3    84.8    -      -       +      +
    184G  ALA*     1.3    59.0    +      -       -      +
    200G  LEU*     6.4     1.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 184 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    180G  ILE*     2.8    20.2    +      -       +      +
    181G  ALA*     2.9    22.8    +      -       -      +
    182G  VAL      3.7     4.7    -      -       -      +
    183G  LEU*     1.3    80.7    -      -       -      +
----------------------------------------------------------
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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