Contacts of the helix formed by residues 1176 - 1191 (chain A) in PDB entry 6J8J


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 LYS1176 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1175A  GLY*     1.3    78.6    -      -       -      +
   1177A  ILE*     1.3    60.7    +      -       -      +
   1178A  TRP*     2.9    13.6    +      -       +      +
   1179A  TRP*     3.1    41.1    +      -       +      +
   1180A  ASN*     4.0     4.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE1177 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1175A  GLY*     4.4    13.0    -      -       -      +
   1176A  LYS*     1.3    77.0    -      -       -      +
   1178A  TRP*     1.3    62.0    +      -       -      +
   1180A  ASN*     3.2    22.3    +      -       -      +
   1181A  ILE*     3.4    20.2    +      -       +      +
    182B  TYR*     3.3    25.6    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP1178 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1176A  LYS*     2.9     6.7    -      -       +      -
   1177A  ILE*     1.3    80.0    -      -       -      +
   1179A  TRP*     1.3    72.6    +      +       -      +
   1181A  ILE*     3.3    22.5    +      -       +      +
   1182A  ARG*     3.0    58.2    +      -       +      +
   1246A  ILE*     3.9    31.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP1179 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1176A  LYS*     3.1    37.4    +      -       +      +
   1178A  TRP*     1.3    87.8    -      +       -      +
   1180A  ASN*     1.3    66.4    +      -       -      +
   1182A  ARG*     3.2    34.9    +      -       +      +
   1183A  LYS*     2.9    69.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN1180 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1175A  GLY      5.5     0.2    -      -       -      +
   1176A  LYS      4.0     3.8    +      -       -      +
   1177A  ILE*     3.2    24.1    +      -       -      +
   1179A  TRP*     1.3    78.5    -      -       -      +
   1181A  ILE*     1.3    62.2    +      -       -      +
   1183A  LYS*     3.2    15.4    +      -       -      +
   1184A  THR*     3.0    26.7    +      -       -      -
    182B  TYR*     3.4    34.6    +      -       +      +
    185B  ILE*     4.4    11.6    -      -       +      +
    186B  ALA*     5.7     5.3    -      -       -      +
    189B  THR*     4.4    20.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE1181 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1177A  ILE*     3.5    23.1    -      -       +      +
   1178A  TRP*     3.5    25.8    -      -       +      +
   1179A  TRP      3.3     0.2    -      -       -      -
   1180A  ASN*     1.3    75.6    -      -       -      +
   1182A  ARG*     1.3    63.6    +      -       -      +
   1184A  THR*     3.3     6.2    +      -       -      -
   1185A  CYS*     3.1    30.4    +      -       -      +
   1246A  ILE*     4.8    12.3    -      -       +      -
    182B  TYR*     4.3    16.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG1182 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1178A  TRP*     3.0    57.0    +      -       +      +
   1179A  TRP*     3.6    32.9    -      -       +      +
   1180A  ASN      3.2     0.2    -      -       -      -
   1181A  ILE*     1.3    81.8    -      -       -      +
   1183A  LYS*     1.3    62.0    +      -       +      +
   1185A  CYS*     3.7     2.3    +      -       -      +
   1186A  TYR*     3.4    19.6    +      -       -      +
   1245A  TRP      4.5     1.4    +      -       -      -
   1246A  ILE*     3.4    35.1    +      -       +      +
   1247A  ALA*     4.1     8.0    +      -       -      +
   1248A  TYR      3.6    25.1    +      -       -      -
   1249A  GLY*     3.7    18.0    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS1183 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1179A  TRP*     2.9    57.4    +      -       +      +
   1180A  ASN*     3.2    15.2    +      -       -      +
   1182A  ARG*     1.3    78.3    -      -       +      +
   1184A  THR*     1.3    60.6    +      -       -      +
   1186A  TYR*     3.1    11.5    -      -       -      +
   1187A  LYS*     3.1    18.0    +      -       -      +
    185B  ILE*     4.7    19.8    -      -       +      +
    189B  THR*     5.2    11.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR1184 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1180A  ASN      3.0    16.8    +      -       -      -
   1181A  ILE*     3.3     7.4    +      -       -      -
   1183A  LYS*     1.3    72.3    -      -       -      +
   1185A  CYS*     1.3    62.5    +      -       -      +
   1186A  TYR      3.0     1.6    -      -       -      -
   1187A  LYS*     2.7    29.9    +      -       +      +
   1188A  ILE*     3.0    10.8    +      -       +      +
    178B  MET*     4.5    12.1    -      -       +      +
    181B  CYS*     3.3    35.0    -      -       +      -
    182B  TYR*     4.0    13.5    -      -       +      +
    185B  ILE*     3.5    23.9    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS1185 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1181A  ILE*     3.1    24.9    +      -       -      +
   1182A  ARG      4.1     3.6    -      -       -      +
   1184A  THR*     1.3    76.1    -      -       -      +
   1186A  TYR*     1.3    64.3    +      -       -      +
   1188A  ILE*     3.0    19.9    +      -       -      +
   1189A  VAL*     3.0    18.9    +      -       -      +
   1243A  LEU*     3.6    31.9    -      -       +      +
   1246A  ILE*     4.2    27.6    -      -       +      -
   1247A  ALA*     4.0     7.0    -      -       +      +
    178B  MET*     4.7    15.3    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR1186 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1182A  ARG      3.4    11.3    +      -       -      +
   1183A  LYS*     3.1    17.0    +      -       -      +
   1185A  CYS*     1.3    80.0    -      -       -      +
   1187A  LYS*     1.3    60.5    +      -       -      +
   1189A  VAL*     3.1    12.0    -      -       -      +
   1190A  GLU*     2.6    63.5    +      -       +      +
   1247A  ALA*     3.5    25.7    -      -       +      +
   1248A  TYR*     4.1    14.5    -      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS1187 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1183A  LYS      3.1     9.2    +      -       -      +
   1184A  THR*     2.7    19.3    +      -       -      +
   1186A  TYR*     1.3    82.6    -      -       -      +
   1188A  ILE*     1.3    59.7    +      -       -      +
   1190A  GLU*     3.5    11.8    +      -       +      +
   1191A  HIS*     3.2    24.1    +      -       +      +
    181B  CYS*     4.8    15.9    -      -       -      -
    185B  ILE*     4.8    20.1    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE1188 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1184A  THR*     3.0    14.3    +      -       +      +
   1185A  CYS*     3.0    11.3    +      -       -      +
   1187A  LYS*     1.3    77.1    -      -       -      +
   1189A  VAL*     1.3    63.2    -      -       -      +
   1191A  HIS*     3.4    14.3    +      -       +      +
   1194A  PHE*     3.3    39.1    -      -       +      +
   1243A  LEU*     3.9    18.8    -      -       +      -
    174B  LEU*     4.5     9.0    -      -       +      -
    177B  GLU*     3.8    30.7    -      -       +      +
    178B  MET*     5.5    10.1    -      -       -      -
    181B  CYS*     3.8    26.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL1189 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1185A  CYS      3.0    18.2    +      -       -      +
   1186A  TYR*     3.1    21.3    -      -       -      +
   1188A  ILE*     1.3    74.5    -      -       -      +
   1190A  GLU*     1.3    70.5    +      -       -      +
   1191A  HIS      3.5     5.5    +      -       -      +
   1194A  PHE*     3.9    29.5    -      -       +      -
   1195A  GLU*     4.7     7.1    +      -       -      +
   1243A  LEU*     4.3    18.2    -      -       +      -
   1244A  LYS*     3.5    37.4    -      -       +      -
   1247A  ALA*     3.5    13.0    -      -       +      -
   1248A  TYR*     4.5     6.7    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU1190 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1186A  TYR*     2.6    73.0    +      -       +      +
   1187A  LYS*     3.9    13.5    -      -       -      +
   1189A  VAL*     1.3    82.7    -      -       -      +
   1191A  HIS*     1.3    64.7    +      -       -      +
   1192A  SER*     3.5     2.4    +      -       -      -
   1195A  GLU*     5.2     2.9    -      -       -      +
   1248A  TYR*     4.0    15.8    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS1191 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1187A  LYS*     3.2    15.4    +      -       +      +
   1188A  ILE*     3.6    18.2    -      -       +      +
   1189A  VAL      3.3     2.0    -      -       -      +
   1190A  GLU*     1.3    79.1    -      -       -      +
   1192A  SER*     1.3    88.0    +      -       -      +
   1193A  TRP*     3.4    52.4    +      +       +      +
   1194A  PHE*     3.3     7.9    +      -       +      +
   1195A  GLU*     3.1    18.0    +      -       -      +
    177B  GLU*     5.7     3.4    -      -       -      -
----------------------------------------------------------
 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