Contacts of the helix formed by residues 82 - 101 (chain F) in PDB entry 3EI4


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 SER 82 (chain F).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    117E  GLU*     3.2    25.9    +      -       -      +
     63F  LEU*     5.0     0.4    -      -       -      +
     80F  ARG      4.2     1.4    +      -       -      -
     81F  ALA*     1.3    71.9    -      -       -      +
     83F  TRP*     1.3    64.7    +      -       -      +
     84F  PRO*     3.4    14.8    -      -       -      +
     85F  SER*     2.9    38.4    +      -       -      -
     86F  VAL*     3.1     5.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 83 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    926E  LEU*     5.9     2.7    -      -       +      -
    953E  TRP*     3.3    46.6    -      +       +      -
    970E  ASN*     3.0    36.9    -      -       +      +
   1079E  GLU*     5.3     9.0    -      -       +      -
     76F  HIS*     3.4    32.7    -      +       +      -
     81F  ALA      3.3     3.4    +      -       -      -
     82F  SER*     1.3    69.7    -      -       -      +
     84F  PRO*     1.3    72.7    -      -       +      +
     85F  SER      2.7     1.0    +      -       -      -
     86F  VAL*     2.9    26.4    +      -       +      -
     87F  GLN*     2.7    68.6    +      -       +      +
     90F  LEU*     3.8    13.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 84 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    115E  PRO*     5.3     5.6    -      -       +      +
    116E  SER      4.8     3.8    -      -       -      +
    117E  GLU*     3.8    39.5    -      -       +      +
   1079E  GLU*     5.4     7.4    -      -       -      +
     60F  PRO*     4.9     6.8    -      -       -      +
     82F  SER*     3.4    12.3    -      -       -      +
     83F  TRP*     1.3   100.4    -      -       +      +
     85F  SER*     1.3    59.2    +      -       -      +
     87F  GLN*     3.3    12.4    -      -       +      +
     88F  GLN*     3.3    19.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 85 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    117E  GLU*     5.9     1.2    -      -       -      +
     60F  PRO      5.2     1.3    -      -       -      -
     61F  GLN      4.4    11.2    +      -       -      -
     62F  ILE*     3.5     6.0    -      -       -      +
     63F  LEU*     3.2    36.3    +      -       -      +
     82F  SER*     2.9    27.4    +      -       -      -
     83F  TRP      2.7     4.6    +      -       -      -
     84F  PRO*     1.3    73.0    -      -       -      +
     86F  VAL*     1.3    57.6    +      -       -      -
     88F  GLN*     2.8    27.3    +      -       -      +
     89F  GLY      3.0     9.0    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 86 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63F  LEU*     3.5     8.9    -      -       +      +
     72F  THR*     4.0    15.4    -      -       +      +
     73F  LEU*     4.4    19.1    -      -       +      -
     76F  HIS*     3.4    52.0    -      -       +      +
     81F  ALA      4.0     2.5    -      -       -      +
     82F  SER      3.2    15.9    -      -       -      +
     83F  TRP*     3.4    20.9    -      -       +      +
     85F  SER*     1.3    71.5    -      -       -      +
     87F  GLN*     1.3    64.2    +      -       -      +
     89F  GLY*     3.0     3.5    +      -       -      -
     90F  LEU*     2.9    28.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 87 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    953E  TRP*     3.3    28.8    -      -       -      -
   1080E  ARG*     4.8     2.4    +      -       -      -
     83F  TRP*     2.7    54.0    +      -       -      +
     84F  PRO*     3.3    19.1    -      -       +      +
     86F  VAL*     1.3    71.9    -      -       -      +
     88F  GLN*     1.3    59.7    -      -       -      +
     90F  LEU*     3.1     8.9    +      -       -      +
     91F  GLN*     2.8    30.9    +      -       -      +
    347F  ARG      4.1    10.7    -      -       -      +
    348F  TYR*     4.4    10.0    -      -       +      -
    349F  ASN*     5.6     2.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 88 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60F  PRO*     3.2    51.3    -      -       +      +
     62F  ILE*     3.8    17.0    -      -       +      +
     84F  PRO      3.3     6.0    +      -       -      +
     85F  SER      2.8    14.1    +      -       -      +
     87F  GLN*     1.3    76.5    -      -       -      +
     89F  GLY*     1.3    57.5    +      -       -      +
     91F  GLN*     3.2    38.3    +      -       -      +
     92F  GLN*     2.9    39.7    +      -       -      +
     95F  LEU*     5.9     1.6    -      -       -      +
    349F  ASN*     5.8     1.4    -      -       -      +
    376F  ASP*     5.1     6.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 89 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     62F  ILE*     3.3    29.7    -      -       -      +
     69F  ILE*     4.1    12.8    -      -       -      +
     72F  THR*     4.8     4.5    -      -       -      -
     85F  SER      3.0     6.5    +      -       -      -
     86F  VAL      3.0     7.8    +      -       -      -
     88F  GLN*     1.3    74.2    -      -       -      +
     90F  LEU*     1.3    58.9    +      -       -      +
     92F  GLN*     3.2     7.7    +      -       -      +
     93F  SER*     2.8    27.7    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 90 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    910E  MET*     4.2     8.3    -      -       +      -
    926E  LEU*     3.6    29.8    -      -       +      -
    927E  MET*     3.9    21.6    -      -       +      +
    953E  TRP*     3.8    28.0    -      -       +      +
     69F  ILE*     5.1     2.9    -      -       +      -
     73F  LEU*     4.5     7.0    -      -       +      -
     83F  TRP*     3.8    25.4    -      -       +      -
     86F  VAL*     2.9    19.3    +      -       +      +
     87F  GLN*     3.4     7.2    -      -       -      +
     89F  GLY*     1.3    73.6    -      -       -      +
     91F  GLN*     1.3    52.6    +      -       -      +
     93F  SER*     2.8     7.5    +      -       -      -
     94F  PHE*     2.7    35.7    +      -       -      +
    348F  TYR*     3.7    17.3    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 91 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87F  GLN*     2.8    20.1    +      -       +      +
     88F  GLN*     3.2    38.8    +      -       -      +
     90F  LEU*     1.3    71.9    -      -       -      +
     92F  GLN*     1.3    58.1    +      -       -      +
     94F  PHE*     3.5     2.5    -      -       -      +
     95F  LEU*     2.8    33.1    +      -       +      +
    348F  TYR*     3.4    23.8    -      -       +      +
    349F  ASN*     2.6    51.8    +      -       -      +
    350F  LEU*     3.8    23.0    -      -       +      +
    376F  ASP*     4.3    14.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 92 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    841E  ALA*     4.5    18.8    -      -       +      +
     62F  ILE*     3.4    33.4    -      -       -      +
     67F  ARG*     5.0     3.0    +      -       -      +
     69F  ILE*     5.6     1.9    -      -       +      +
     88F  GLN*     2.9    25.1    +      -       -      +
     89F  GLY      3.4     8.3    +      -       -      +
     91F  GLN*     1.3    73.8    -      -       -      +
     93F  SER*     1.3    68.0    +      -       -      +
     95F  LEU*     3.1    14.2    +      -       +      +
     96F  HIS*     2.9    23.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 93 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    842E  GLU*     3.0    30.5    +      -       -      +
    910E  MET*     3.2    19.3    -      -       -      +
    927E  MET*     3.8     7.9    -      -       -      +
     69F  ILE*     3.8    18.6    -      -       -      +
     89F  GLY      2.8    13.0    +      -       -      -
     90F  LEU*     2.8    12.0    +      -       -      -
     92F  GLN*     1.3    76.3    -      -       -      +
     94F  PHE*     1.3    60.8    +      -       -      +
     96F  HIS*     3.3     5.8    +      -       -      +
     97F  THR*     3.2    25.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 94 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    909E  ILE*     6.1     3.8    -      -       +      -
    927E  MET*     3.6    11.5    -      -       +      +
     90F  LEU      2.7    15.0    +      -       -      +
     91F  GLN      3.5     6.3    -      -       -      +
     93F  SER*     1.3    67.9    -      -       -      +
     95F  LEU*     1.3    70.9    +      -       -      +
     96F  HIS      2.9     1.6    -      -       -      -
     97F  THR*     2.5    30.8    +      -       -      -
     98F  LEU*     2.9    29.1    +      -       +      +
    101F  TYR*     3.9    16.8    -      +       -      -
    345F  HIS*     3.6    21.1    -      +       -      -
    348F  TYR*     3.7    29.6    -      +       +      -
    350F  LEU*     3.7    32.3    -      -       +      -
    374F  VAL*     5.9     0.2    -      -       +      -
    400F  PHE*     4.1    17.0    -      +       -      -
    404F  GLY      3.2    22.2    -      -       -      -
    405F  ASP*     4.9     0.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 95 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     88F  GLN*     5.9     0.9    -      -       -      +
     91F  GLN*     2.8    29.1    +      -       +      +
     92F  GLN*     3.1    14.6    +      -       +      +
     94F  PHE*     1.3    75.2    -      -       -      +
     96F  HIS*     1.3    60.2    +      -       -      +
     98F  LEU*     3.3    35.3    +      -       +      +
     99F  ASP*     3.5    13.4    +      -       -      +
    350F  LEU*     4.1    25.1    -      -       +      -
    374F  VAL*     4.3     2.2    -      -       +      -
    383F  MET*     3.7    58.1    -      -       +      +
    384F  CYS*     4.6     2.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 96 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    842E  GLU*     4.1    26.8    +      -       +      +
    844E  LYS*     3.4    34.7    +      -       -      -
     92F  GLN      2.9    11.1    +      -       -      +
     93F  SER      3.5     9.4    +      -       -      +
     94F  PHE      2.8     1.4    +      -       -      -
     95F  LEU*     1.3    73.1    -      -       -      +
     97F  THR*     1.3    67.4    +      -       -      +
     98F  LEU      3.0     1.8    -      -       -      -
     99F  ASP*     3.1    32.9    +      -       +      +
    100F  SER*     3.9     2.9    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 97 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    842E  GLU*     6.1     1.3    -      -       -      +
    909E  ILE*     4.5    18.2    -      -       +      +
    927E  MET*     5.3     0.2    -      -       -      +
     93F  SER*     3.4    16.2    -      -       -      +
     94F  PHE*     2.5    32.5    +      -       -      -
     96F  HIS*     1.3    78.2    -      -       +      +
     98F  LEU*     1.3    56.7    +      -       -      +
    100F  SER*     3.0    19.7    +      -       -      -
    101F  TYR*     3.0    28.2    +      -       -      -
    420F  GLN*     3.7    32.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 98 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     94F  PHE*     2.9    31.8    +      -       +      +
     95F  LEU*     3.3    26.5    -      -       +      +
     96F  HIS      3.0     0.4    -      -       -      -
     97F  THR*     1.3    76.5    +      -       -      +
     99F  ASP*     1.3    61.8    +      -       -      +
    100F  SER      3.3     0.2    -      -       -      -
    101F  TYR*     3.2    49.3    +      -       +      +
    374F  VAL*     3.9    22.2    -      -       +      -
    384F  CYS*     3.5    25.9    -      -       -      -
    386F  LEU*     3.7    26.4    -      -       +      +
    400F  PHE*     4.3     9.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 99 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     95F  LEU      3.5    15.0    +      -       -      +
     96F  HIS*     3.1    24.2    +      -       +      +
     98F  LEU*     1.3    79.5    -      -       -      +
    100F  SER*     1.3    55.6    +      -       -      +
    102F  ARG*     3.4    28.4    +      -       -      +
    384F  CYS*     3.7    24.1    -      -       -      +
    385F  GLN      5.1     2.4    -      -       -      +
    386F  LEU*     5.4     1.9    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 100 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96F  HIS      3.9     2.1    +      -       -      -
     97F  THR*     3.0    20.0    +      -       -      -
     99F  ASP*     1.3    77.5    -      -       -      +
    101F  TYR*     1.4    54.8    +      -       -      +
    102F  ARG*     2.8    23.7    +      -       -      +
    103F  ILE*     3.8     7.6    +      -       -      +
    420F  GLN*     3.1    24.0    +      -       -      +
    421F  GLU*     3.9    18.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 101 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    909E  ILE*     5.1     4.1    -      -       +      +
     94F  PHE*     3.9    13.9    -      +       -      -
     97F  THR*     3.0    38.5    +      -       -      -
     98F  LEU*     3.2    40.4    -      -       +      +
    100F  SER*     1.4    72.5    -      -       -      +
    102F  ARG*     1.3    51.1    +      -       -      +
    103F  ILE      2.3    35.2    +      -       -      +
    386F  LEU*     4.6     6.3    -      -       +      -
    400F  PHE*     4.5     9.4    -      +       -      -
    405F  ASP*     2.8    50.2    +      -       -      +
    406F  THR*     4.1     2.5    -      -       -      -
    407F  LEU*     4.9     1.3    -      -       +      -
    418F  TRP*     3.7    33.8    -      -       +      -
    419F  SER*     3.2    11.2    +      -       -      +
    420F  GLN*     3.8    25.4    -      -       +      -
----------------------------------------------------------
 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