Contacts of the helix formed by residues 791 - 812 (chain A) in PDB entry 1SR7


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 GLU 791 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    711A  SER*     3.4    25.8    +      -       -      +
    790A  LYS*     1.3    81.0    -      -       +      +
    792A  SER*     1.3    73.6    +      -       -      +
    793A  SER*     2.7    31.7    +      -       -      -
    794A  PHE*     3.0    18.2    +      -       +      +
    795A  TYR*     3.1    20.7    +      -       -      +
    890A  TYR*     5.0     1.8    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 792 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    790A  LYS      4.0     1.4    +      -       -      -
    791A  GLU*     1.3    78.8    +      -       -      +
    793A  SER*     1.3    60.3    +      -       -      +
    795A  TYR*     3.4     8.4    +      -       -      +
    796A  SER*     2.9    28.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 793 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    791A  GLU*     2.7    26.9    +      -       -      -
    792A  SER*     1.3    79.1    +      -       -      +
    794A  PHE*     1.3    65.5    +      -       -      +
    796A  SER*     3.2     8.0    +      -       -      -
    797A  LEU*     3.0    29.8    +      -       -      +
    890A  TYR*     3.6    29.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 794 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    301A  MOF      3.6    29.8    -      +       -      -
    711A  SER*     4.1    23.3    -      -       -      +
    714A  LEU*     3.8    28.3    -      -       +      -
    715A  LEU*     3.7    24.2    -      -       +      -
    718A  LEU*     4.3     4.0    -      -       +      -
    784A  LEU*     3.8    25.4    -      -       +      -
    788A  ARG      4.0    11.4    -      -       -      -
    789A  MET*     3.9    16.2    -      -       +      -
    790A  LYS      4.7     0.2    -      -       -      -
    791A  GLU*     3.0    19.3    +      -       -      +
    793A  SER*     1.3    82.0    +      -       -      +
    795A  TYR*     1.4    63.0    +      -       -      +
    797A  LEU*     3.2     2.7    +      -       -      -
    798A  CYS*     3.0    39.2    +      -       -      -
    890A  TYR*     5.8     0.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 795 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    786A  GLU*     4.2    24.0    +      -       +      +
    789A  MET*     3.6    51.8    -      -       +      +
    790A  LYS      5.5     0.2    -      -       -      -
    791A  GLU      3.1    11.7    +      -       -      +
    792A  SER*     3.8     7.0    -      -       -      +
    794A  PHE*     1.4    75.1    -      -       -      +
    796A  SER*     1.4    64.7    +      -       -      +
    798A  CYS*     3.2     4.1    +      -       -      +
    799A  LEU*     2.9    65.3    +      -       +      +
    802A  TRP*     4.6     1.3    -      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 796 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    792A  SER      2.9    18.5    +      -       -      -
    793A  SER*     3.5     9.2    -      -       -      -
    795A  TYR*     1.4    79.0    -      -       -      +
    797A  LEU*     1.3    63.2    +      -       -      +
    799A  LEU*     3.2    14.0    +      -       -      +
    800A  THR*     3.1    24.0    +      -       -      -
    886A  GLN*     6.0     0.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 797 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    301A  MOF      3.6    41.1    -      -       +      +
    793A  SER*     3.0    22.6    +      -       -      +
    794A  PHE*     3.7     4.0    -      -       -      +
    795A  TYR      3.2     0.2    -      -       -      -
    796A  SER*     1.3    78.2    -      -       -      +
    798A  CYS*     1.3    63.9    +      -       -      +
    800A  THR*     3.2    10.2    +      -       -      +
    801A  MET*     3.0    27.7    +      -       -      +
    886A  GLN*     4.6     7.9    -      -       +      +
    887A  LEU*     3.9    15.0    -      -       +      +
    890A  TYR*     3.4    57.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 798 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    301A  MOF      3.8    13.7    -      -       -      -
    776A  LEU*     3.7    18.7    -      -       +      +
    778A  PHE*     5.0     0.4    -      -       -      -
    784A  LEU*     4.8     3.8    -      -       -      -
    789A  MET*     3.7    35.2    -      -       -      -
    794A  PHE*     3.0    38.7    +      -       -      -
    795A  TYR      3.2     7.8    +      -       -      +
    797A  LEU*     1.3    78.1    -      -       -      +
    799A  LEU*     1.4    56.0    +      -       -      +
    801A  MET*     3.1     6.5    +      -       -      +
    802A  TRP*     2.8    33.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 799 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    795A  TYR*     2.9    62.9    +      -       +      +
    796A  SER*     3.2    11.8    +      -       -      +
    798A  CYS*     1.4    74.6    -      -       -      +
    800A  THR*     1.4    63.9    +      -       -      +
    802A  TRP*     3.2    34.3    +      -       +      +
    803A  GLN*     3.5    10.7    +      -       -      +
    806A  GLN*     5.2     4.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 800 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    796A  SER*     3.1    16.0    +      -       -      -
    797A  LEU*     3.2    14.5    +      -       -      +
    799A  LEU*     1.4    78.1    -      -       -      +
    801A  MET*     1.3    63.0    +      -       -      +
    803A  GLN*     3.1    29.5    +      -       -      +
    883A  LEU*     3.5    39.7    -      -       +      +
    886A  GLN*     3.5    35.4    +      -       +      +
    887A  LEU*     4.0    12.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 801 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    301A  MOF      3.7    56.3    -      -       +      -
    760A  VAL*     3.8    21.9    -      -       +      +
    763A  LEU*     3.8    20.8    -      -       +      +
    776A  LEU*     4.5     5.6    -      -       +      -
    778A  PHE*     3.8    21.5    -      -       +      -
    797A  LEU*     3.0    15.0    +      -       +      +
    798A  CYS*     3.1     9.1    +      -       -      +
    800A  THR*     1.3    74.4    -      -       -      +
    802A  TRP*     1.3    65.2    -      -       -      +
    803A  GLN      3.1     1.7    +      -       -      -
    804A  ILE*     3.1    18.4    +      -       -      +
    805A  PRO*     3.3    10.0    -      -       -      +
    883A  LEU*     4.9     1.8    -      -       -      -
    887A  LEU*     4.1    16.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 802 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    773A  GLY      2.8    29.2    +      -       -      -
    774A  GLN*     3.4    25.4    +      -       -      +
    775A  MET*     3.9     9.5    -      -       -      +
    776A  LEU*     4.0    16.1    -      -       +      +
    784A  LEU      4.9     0.4    -      -       -      -
    786A  GLU*     3.8    31.2    -      -       +      -
    789A  MET*     3.4    38.1    -      -       +      -
    795A  TYR*     4.6     1.6    -      +       -      -
    798A  CYS*     2.8    24.7    +      -       +      +
    799A  LEU*     3.4    26.2    -      -       +      +
    800A  THR      3.1     0.4    -      -       -      -
    801A  MET*     1.3    78.5    -      -       -      +
    803A  GLN*     1.3    61.7    +      -       -      +
    805A  PRO*     3.2    16.2    -      -       +      +
    806A  GLN*     3.1    50.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 803 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    799A  LEU      3.5     8.5    +      -       -      +
    800A  THR*     3.1    30.9    -      -       -      +
    801A  MET      3.0     1.0    -      -       -      -
    802A  TRP*     1.3    79.0    -      -       -      +
    804A  ILE*     1.4    57.0    +      -       -      +
    806A  GLN*     3.6    15.9    +      -       -      +
    807A  GLU*     3.0    29.5    +      -       -      +
    883A  LEU*     3.7    21.2    -      -       +      +
    886A  GLN*     5.0     3.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 804 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    760A  VAL*     3.8    42.2    -      -       +      +
    761A  PHE*     4.3    12.3    -      -       +      +
    764A  GLY*     4.1     7.2    -      -       -      -
    801A  MET      3.1     3.3    +      -       -      +
    803A  GLN*     1.4    73.6    -      -       -      +
    805A  PRO*     1.3    71.7    -      -       +      +
    807A  GLU*     3.0     8.6    +      -       -      +
    808A  PHE*     2.9    56.9    +      -       +      -
    876A  LEU*     5.4     4.3    -      -       +      -
    880A  LEU*     3.6    26.7    -      -       +      -
    883A  LEU*     3.7    22.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 805 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    763A  LEU*     6.2     0.7    -      -       +      -
    764A  GLY*     3.5    33.9    -      -       -      +
    767A  SER*     4.0    18.8    -      -       -      -
    768A  TYR*     4.1     2.2    -      -       +      +
    773A  GLY*     4.1    12.3    -      -       -      -
    776A  LEU*     4.4     4.9    -      -       +      -
    801A  MET      3.3    11.0    -      -       -      +
    802A  TRP*     3.2    33.0    -      -       +      +
    804A  ILE*     1.3    89.1    -      -       +      +
    806A  GLN*     1.3    59.7    +      -       -      +
    808A  PHE*     3.5     6.6    -      -       +      +
    809A  VAL*     2.9    34.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 806 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    773A  GLY*     5.0     4.9    +      -       -      +
    774A  GLN*     5.6     5.4    -      -       -      +
    799A  LEU*     5.2     4.9    -      -       -      +
    802A  TRP*     3.1    46.4    +      -       +      +
    803A  GLN*     3.6    18.8    +      -       -      +
    805A  PRO*     1.3    78.3    -      -       -      +
    807A  GLU*     1.4    59.4    +      -       -      +
    809A  VAL*     3.3     7.6    +      -       -      +
    810A  LYS*     2.9    30.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 807 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    803A  GLN      3.0    14.7    +      -       -      +
    804A  ILE*     3.0    10.1    +      -       -      +
    806A  GLN*     1.4    76.1    -      -       -      +
    808A  PHE*     1.3    61.0    +      -       -      +
    810A  LYS*     3.4    37.8    +      -       -      +
    811A  LEU*     2.8    53.2    +      -       +      +
    876A  LEU*     3.8    29.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 808 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    761A  PHE*     3.5    44.0    -      +       -      -
    764A  GLY      3.7    19.5    -      -       -      -
    765A  TRP*     3.5    30.5    -      +       -      -
    768A  TYR*     3.6    26.1    -      +       +      -
    804A  ILE*     2.9    28.6    +      -       +      -
    805A  PRO*     3.5     8.7    -      -       +      +
    807A  GLU*     1.3    75.5    -      -       -      +
    809A  VAL*     1.3    59.0    -      -       -      +
    812A  GLN*     2.9    24.1    +      -       -      -
    813A  VAL*     3.1    35.3    +      -       +      -
    818A  PHE*     4.0    11.7    -      +       -      -
    821A  MET*     5.1     1.1    -      -       +      -
    876A  LEU*     4.3    14.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 809 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    768A  TYR*     3.6    26.7    -      -       +      -
    772A  SER*     3.6    28.0    -      -       -      +
    773A  GLY*     4.3     2.2    -      -       -      -
    774A  GLN*     5.1     5.4    -      -       -      +
    805A  PRO      2.9    21.8    +      -       -      +
    806A  GLN*     3.7     7.4    -      -       -      +
    807A  GLU      3.2     0.2    -      -       -      -
    808A  PHE*     1.3    73.9    -      -       -      +
    810A  LYS*     1.3    68.2    +      -       -      +
    812A  GLN*     3.3    18.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 810 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    806A  GLN*     2.9    17.9    +      -       -      +
    807A  GLU*     3.4    34.4    +      -       -      +
    809A  VAL*     1.3    80.9    -      -       -      +
    811A  LEU*     1.4    66.4    +      -       +      +
    812A  GLN*     3.2     4.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 811 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    807A  GLU*     2.8    41.9    +      -       -      +
    810A  LYS*     1.4    80.8    -      -       +      +
    812A  GLN*     1.3    62.1    +      -       -      +
    813A  VAL*     4.0    11.7    -      -       +      -
    869A  ARG*     2.8    40.0    +      -       -      +
    872A  GLN*     3.8    46.2    -      -       +      +
    873A  LEU*     4.2    15.7    -      -       +      -
    876A  LEU*     4.1    22.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 812 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    768A  TYR*     3.4     9.6    +      -       +      +
    808A  PHE      2.9    11.9    +      -       -      -
    809A  VAL      3.3    13.2    +      -       -      +
    810A  LYS      3.2     4.4    -      -       -      +
    811A  LEU*     1.3    80.1    -      -       -      +
    813A  VAL*     1.3    66.5    +      -       -      +
    814A  SER*     3.5     2.9    +      -       -      -
    859A  ARG*     6.2     0.2    -      -       -      -
    869A  ARG*     3.2     8.8    +      -       -      -
----------------------------------------------------------
 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