Contacts of the helix formed by residues 212 - 233 (chain A) in PDB entry 3EFC


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 ARG 212 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176A  GLU*     5.5     4.9    -      -       -      +
    209A  VAL*     3.1    27.3    -      -       +      +
    211A  ASP*     1.3    79.2    -      -       -      +
    213A  LYS*     1.3    59.9    +      -       -      +
    214A  TYR      3.2     2.9    -      -       -      -
    215A  GLN*     3.2    16.5    +      -       +      +
    216A  LYS*     2.9    26.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 213 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208A  VAL      4.3     5.8    -      -       -      +
    209A  VAL      2.8    18.8    +      -       -      +
    211A  ASP*     3.5     3.0    -      -       +      +
    212A  ARG*     1.3    74.8    -      -       -      +
    214A  TYR*     1.3    59.4    +      -       -      +
    216A  LYS*     3.6     7.9    -      -       -      +
    217A  GLN*     2.8    35.7    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 214 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202A  GLU      5.7     0.2    -      -       -      -
    203A  VAL*     3.4    20.0    -      -       +      -
    204A  PRO*     3.5    30.9    -      -       +      +
    205A  TRP*     5.0     9.1    -      +       -      -
    207A  ASN*     3.2    26.7    -      -       -      +
    208A  VAL      4.8     1.3    +      -       -      -
    209A  VAL*     3.4    23.9    -      -       +      +
    213A  LYS*     1.3    74.8    -      -       -      +
    215A  GLN*     1.3    65.8    +      -       -      +
    217A  GLN*     2.9    20.6    +      -       -      +
    218A  LYS*     2.6    79.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 215 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176A  GLU*     3.1    25.8    -      -       -      +
    177A  ILE*     3.8    19.9    -      -       +      +
    199A  LEU*     3.9     6.4    -      -       +      +
    200A  ARG      3.5    12.5    +      -       -      +
    202A  GLU      3.2    18.9    -      -       -      +
    203A  VAL*     3.3    32.7    -      -       -      +
    209A  VAL*     3.8     4.8    -      -       -      +
    212A  ARG*     3.2    21.1    +      -       +      +
    214A  TYR*     1.3    81.4    -      -       -      +
    216A  LYS*     1.3    52.2    +      -       -      +
    218A  LYS*     3.7     5.7    -      -       -      +
    219A  LEU*     2.6    39.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 216 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212A  ARG      2.9    13.7    +      -       -      +
    213A  LYS*     3.6    11.0    -      -       -      +
    214A  TYR      3.2     0.2    -      -       -      -
    215A  GLN*     1.3    70.2    -      -       -      +
    217A  GLN*     1.3    68.9    +      -       -      +
    219A  LEU*     2.8     8.2    +      -       -      +
    220A  ALA*     2.8    25.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 217 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213A  LYS*     2.8    21.4    +      -       +      +
    214A  TYR*     2.9    27.8    +      -       -      +
    216A  LYS*     1.3    73.4    -      -       -      +
    218A  LYS*     1.3    63.7    +      -       +      +
    220A  ALA*     3.2     7.3    +      -       -      +
    221A  GLY*     3.0    23.0    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 218 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198A  GLN*     3.6    38.0    +      -       +      +
    199A  LEU*     4.1    13.0    -      -       +      -
    214A  TYR*     2.6    72.1    +      -       +      +
    215A  GLN*     3.7     6.3    -      -       -      +
    217A  GLN*     1.3    77.2    -      -       -      +
    219A  LEU*     1.3    65.5    +      -       -      +
    221A  GLY*     3.2     2.7    +      -       -      +
    222A  ASP*     2.9    28.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 219 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    177A  ILE*     5.4     2.7    -      -       +      -
    180A  ILE*     4.4    11.7    -      -       +      -
    199A  LEU*     3.5    21.2    -      -       +      +
    215A  GLN      2.6    22.3    +      -       -      +
    216A  LYS*     2.8     6.5    +      -       -      +
    218A  LYS*     1.3    72.7    -      -       -      +
    220A  ALA*     1.3    59.9    +      -       -      +
    222A  ASP*     3.5     5.7    +      -       +      +
    223A  LEU*     3.0    51.7    +      -       +      +
    243A  THR*     4.6     7.4    -      -       +      -
    256A  VAL*     3.8    36.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 220 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216A  LYS      2.8    12.7    +      -       -      +
    217A  GLN*     3.4    11.7    -      -       -      +
    219A  LEU*     1.3    77.4    -      -       -      +
    221A  GLY*     1.3    53.3    +      -       -      +
    223A  LEU*     3.0     8.9    +      -       -      +
    224A  GLU*     2.8    36.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 221 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    217A  GLN      3.0    13.2    +      -       -      -
    218A  LYS*     3.7     3.6    -      -       -      -
    220A  ALA*     1.3    76.5    -      -       -      +
    222A  ASP*     1.3    61.5    +      -       -      +
    224A  GLU*     3.0    10.9    +      -       -      +
    225A  THR*     2.8    27.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 222 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    180A  ILE*     4.7     2.6    -      -       +      +
    197A  PHE*     2.9    53.1    -      -       +      +
    198A  GLN*     2.9    40.5    +      -       -      +
    199A  LEU*     3.3    14.4    -      -       -      +
    218A  LYS*     2.9    11.7    +      -       -      +
    219A  LEU*     3.7     7.4    -      -       +      +
    221A  GLY*     1.3    77.1    -      -       -      +
    223A  LEU*     1.3    58.2    +      -       +      +
    225A  THR*     2.8    26.2    +      -       -      -
    226A  LEU      2.9    10.4    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 223 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    197A  PHE*     5.3     1.8    -      -       +      -
    219A  LEU*     3.0    43.8    +      -       +      +
    220A  ALA*     3.6     6.5    -      -       -      +
    222A  ASP*     1.3    76.8    -      -       +      +
    224A  GLU*     1.3    61.9    +      -       -      +
    226A  LEU*     3.6     9.0    +      -       +      +
    227A  ARG*     3.5    16.4    +      -       -      +
    240A  ILE*     3.5    41.2    -      -       +      +
    243A  THR*     3.5    26.9    -      -       +      +
    258A  VAL*     3.3    34.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 224 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    220A  ALA      2.8    13.1    +      -       -      +
    221A  GLY*     3.2    14.1    -      -       -      +
    222A  ASP      2.9     0.2    -      -       -      -
    223A  LEU*     1.3    77.8    -      -       -      +
    225A  THR*     1.3    59.3    +      -       -      +
    227A  ARG*     3.0    38.3    +      -       -      +
    228A  SER*     2.9    41.1    +      -       -      +
    231A  LEU*     6.1     0.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 225 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193A  LEU      5.6     3.6    -      -       -      +
    196A  HIS*     4.9    18.8    -      -       +      -
    197A  PHE*     4.5     9.8    -      -       +      -
    221A  GLY      2.8    15.7    +      -       -      -
    222A  ASP*     3.2    11.8    +      -       -      -
    224A  GLU*     1.3    75.5    -      -       -      +
    226A  LEU*     1.3    65.6    +      -       -      +
    228A  SER*     3.8     7.1    -      -       -      -
    229A  TYR*     2.9    27.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 226 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    182A  ILE*     3.9    26.7    -      -       +      -
    193A  LEU*     4.5    14.6    -      -       +      -
    197A  PHE*     4.4    13.6    -      -       +      -
    222A  ASP      2.9    10.4    +      -       -      +
    223A  LEU*     3.7    20.2    -      -       +      +
    225A  THR*     1.3    79.5    -      -       -      +
    227A  ARG*     1.3    65.1    +      -       -      +
    229A  TYR*     3.2    14.0    -      -       -      +
    230A  TYR*     3.5    23.0    +      -       +      -
    238A  PHE*     3.5    24.7    -      -       +      -
    240A  ILE*     4.9     1.1    -      -       +      -
    258A  VAL*     3.5    32.1    -      -       +      -
    260A  ILE*     4.0     4.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 227 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    223A  LEU*     3.5     7.6    +      -       -      +
    224A  GLU*     3.0    40.7    +      -       -      +
    226A  LEU*     1.3    78.1    -      -       -      +
    228A  SER*     1.3    55.9    +      -       -      +
    229A  TYR      2.7    12.5    +      -       -      -
    230A  TYR*     2.9    14.4    +      -       -      +
    231A  LEU*     3.1    37.4    +      -       +      +
    238A  PHE*     3.3    38.8    +      -       +      -
    239A  ASN*     5.6     2.4    +      -       -      -
    240A  ILE*     3.8    31.3    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 228 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    224A  GLU*     2.9    31.9    +      -       -      +
    225A  THR*     3.3     8.9    +      -       -      -
    227A  ARG*     1.3    71.3    -      -       -      +
    229A  TYR*     1.3    57.2    +      -       -      +
    231A  LEU*     4.6    10.4    -      -       -      +
    232A  ASP*     2.6    44.2    +      -       -      +
    299A  THR*     5.0     5.5    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 229 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    188A  PHE*     3.6    27.0    -      +       -      -
    192A  GLU*     3.7    41.7    +      -       -      +
    193A  LEU*     3.9    23.8    -      -       +      -
    196A  HIS*     5.9     6.1    -      +       -      -
    225A  THR*     2.9    16.4    +      -       +      +
    226A  LEU*     3.2    13.2    -      -       -      +
    227A  ARG      2.7     3.4    +      -       -      -
    228A  SER*     1.3    70.3    -      -       -      +
    230A  TYR*     1.3    74.0    +      +       +      +
    232A  ASP*     2.8    15.1    +      -       -      +
    233A  ARG*     3.0    71.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 230 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185A  ASN*     3.4    11.8    -      -       -      +
    187A  ALA*     4.5     1.8    -      -       +      -
    188A  PHE*     3.7    24.7    +      +       -      -
    193A  LEU*     3.6    18.2    -      -       +      +
    226A  LEU*     3.7    20.2    -      -       +      -
    227A  ARG      2.9     8.1    +      -       -      +
    229A  TYR*     1.3    83.5    -      +       -      +
    231A  LEU*     1.3    58.5    +      -       -      +
    233A  ARG*     2.9    16.8    +      -       -      -
    235A  TYR*     3.3    41.1    +      +       +      -
    238A  PHE*     3.6    34.3    -      +       +      -
    260A  ILE*     3.2    26.3    -      -       +      +
    262A  GLU*     2.5    45.9    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 231 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    224A  GLU*     6.1     0.4    -      -       -      +
    227A  ARG*     3.1    44.4    +      -       +      +
    228A  SER*     4.4     6.7    -      -       -      +
    229A  TYR      2.9     1.0    +      -       -      -
    230A  TYR*     1.3    68.6    -      -       -      +
    232A  ASP*     1.3    56.3    +      -       -      +
    233A  ARG      2.6    15.9    +      -       -      -
    234A  GLY      3.0    10.7    +      -       -      -
    235A  TYR      3.4    23.1    -      -       -      +
    236A  ALA*     4.6     7.0    -      -       -      -
    237A  ARG      5.2     0.4    -      -       -      +
    238A  PHE*     4.2    14.1    -      -       +      +
    296A  TYR*     3.7    13.2    -      -       +      +
    297A  ASN*     3.5     3.5    -      -       -      -
    298A  GLY*     3.3    28.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 232 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    228A  SER*     2.6    28.1    +      -       -      +
    229A  TYR*     2.8    10.2    +      -       -      +
    231A  LEU*     1.3    73.9    -      -       -      +
    233A  ARG*     1.3    69.3    +      -       -      +
    234A  GLY      3.7     0.2    -      -       -      -
    296A  TYR      4.3     0.2    -      -       -      +
    297A  ASN*     2.8    33.3    +      -       -      +
    298A  GLY*     3.9     1.8    -      -       -      +
    299A  THR*     2.7    48.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 233 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    188A  PHE*     3.4    29.7    -      -       +      -
    229A  TYR*     3.0    75.3    +      -       -      +
    230A  TYR      2.9     9.4    +      -       -      +
    231A  LEU      2.6     7.7    +      -       -      -
    232A  ASP*     1.3    86.5    -      -       -      +
    234A  GLY*     1.3    50.2    +      -       -      +
    235A  TYR*     3.6    11.2    -      -       +      -
    265A  GLN*     2.7    32.3    +      -       -      +
    295A  LEU*     3.7     6.1    -      -       -      +
    296A  TYR      3.9     2.9    -      -       -      -
----------------------------------------------------------
 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