Contacts of the helix formed by residues 294 - 311 (chain C) in PDB entry 2I6A


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 ASP 294 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    132C  ARG*     3.2    50.5    +      -       -      +
    134C  LEU*     6.0     0.4    -      -       -      +
    292C  ILE      4.1     2.2    +      -       -      -
    293C  ILE*     1.3    67.1    -      -       -      +
    295C  THR*     1.3    56.9    +      -       -      +
    296C  ASN*     3.2    17.8    +      -       -      +
    297C  GLY*     3.2    23.2    +      -       -      +
    298C  ALA*     2.9    30.6    +      -       -      +
    331C  ILE*     5.7     1.6    -      -       -      +
    332C  ARG*     4.6    30.9    +      -       +      +
    500C  5I5      4.5     7.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 295 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36C  ASN*     5.5     7.0    +      -       -      -
    132C  ARG*     4.9     2.6    -      -       -      +
    223C  ASN*     5.7     5.8    -      -       +      +
    224C  GLU*     5.9     2.9    -      -       -      +
    267C  GLY*     4.8    19.3    -      -       -      -
    293C  ILE*     2.8    15.8    +      -       -      +
    294C  ASP*     1.3    72.6    +      -       -      +
    296C  ASN*     1.3    67.4    +      -       -      +
    298C  ALA*     3.5     7.5    +      -       +      +
    299C  GLY*     3.2    17.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 296 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36C  ASN*     5.6     3.5    +      -       -      -
     37C  ASP      5.1     0.9    -      -       -      +
     38C  GLN*     3.4    39.5    -      -       -      +
    132C  ARG*     5.0     9.4    -      -       -      +
    134C  LEU*     4.1    12.6    -      -       +      +
    223C  ASN*     5.0     8.9    +      -       -      -
    226C  GLU*     5.3     0.4    +      -       -      -
    294C  ASP*     3.1     9.6    +      -       -      +
    295C  THR*     1.3    81.4    -      -       -      +
    297C  GLY*     1.3    59.4    +      -       -      +
    299C  GLY*     2.9    19.1    +      -       -      -
    300C  ASP*     3.1    14.9    +      -       -      +
    500C  5I5      3.5    20.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 297 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     68C  ASN*     5.6     3.6    -      -       -      -
    294C  ASP*     3.2    25.1    +      -       -      -
    296C  ASN*     1.3    78.1    -      -       -      +
    298C  ALA*     1.3    56.9    +      -       -      +
    300C  ASP*     3.3    11.9    +      -       -      +
    301C  ALA*     2.9    29.3    +      -       -      +
    330C  ILE      4.9     4.4    -      -       -      +
    332C  ARG*     6.4     1.3    -      -       -      -
    500C  5I5      4.1     3.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 298 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    293C  ILE*     6.0     5.6    -      -       +      -
    294C  ASP      2.9    17.4    +      -       -      +
    295C  THR*     3.7     9.2    -      -       -      +
    297C  GLY*     1.3    75.7    -      -       -      +
    299C  GLY*     1.3    55.1    +      -       -      +
    301C  ALA*     3.4     6.7    +      -       -      +
    302C  PHE*     2.8    35.2    +      -       -      +
    327C  ALA*     3.9    25.4    -      -       +      +
    330C  ILE      5.2     1.6    -      -       -      -
    331C  ILE*     6.4     1.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 299 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    196C  ASN*     5.9     1.6    -      -       -      -
    265C  THR*     5.0    13.6    -      -       -      +
    295C  THR      3.2    10.5    +      -       -      -
    296C  ASN*     2.9     8.6    +      -       -      -
    298C  ALA*     1.3    75.9    -      -       -      +
    300C  ASP*     1.3    61.5    +      -       -      +
    302C  PHE*     3.4     7.9    +      -       -      +
    303C  VAL*     3.2    27.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 300 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65C  SER*     2.8    30.6    +      -       -      -
     68C  ASN*     3.7    23.1    +      -       +      +
     69C  SER*     2.6    32.1    +      -       -      +
     72C  VAL*     5.0     0.7    -      -       -      -
    166C  TYR*     5.5     0.3    +      -       -      -
    196C  ASN*     5.4     4.7    +      -       -      -
    296C  ASN      3.1     9.4    +      -       -      +
    297C  GLY*     3.6     8.1    -      -       -      +
    298C  ALA      3.2     0.2    -      -       -      -
    299C  GLY*     1.3    78.0    -      -       -      +
    301C  ALA*     1.3    61.7    +      -       -      +
    303C  VAL*     3.4     2.8    +      -       -      -
    304C  GLY      3.2    10.2    +      -       -      -
    500C  5I5      3.3    32.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 301 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     72C  VAL*     3.4    22.9    -      -       +      +
    297C  GLY      2.9    16.7    +      -       -      +
    298C  ALA*     3.6     5.2    -      -       -      +
    300C  ASP*     1.3    74.0    -      -       -      +
    302C  PHE*     1.3    64.9    +      -       -      +
    304C  GLY      3.3     0.5    +      -       -      -
    305C  GLY      3.0    18.5    +      -       -      -
    326C  ALA*     3.2    33.2    -      -       -      +
    327C  ALA*     4.0     4.5    -      -       -      -
    330C  ILE*     4.2    14.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 302 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    221C  PHE*     4.7     6.5    -      +       -      -
    263C  ILE*     4.1    26.0    -      -       +      -
    265C  THR*     4.3    18.8    -      -       +      -
    271C  THR*     4.1    10.3    -      -       +      -
    298C  ALA      2.8    20.6    +      -       -      +
    299C  GLY*     3.6     8.5    -      -       -      +
    300C  ASP      3.4     0.2    -      -       -      -
    301C  ALA*     1.3    72.0    -      -       -      +
    303C  VAL*     1.3    73.9    +      -       +      +
    305C  GLY      3.1     1.4    +      -       -      -
    306C  PHE*     2.9    48.3    +      +       +      -
    320C  ILE*     3.9    14.1    -      -       +      -
    323C  GLY*     3.2    36.2    +      -       -      +
    324C  HIS*     3.7    35.9    -      +       -      -
    327C  ALA*     4.3     5.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 303 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69C  SER*     3.6    17.7    -      -       -      +
    166C  TYR*     3.7    18.8    -      -       +      +
    196C  ASN*     3.7    25.6    -      -       -      +
    221C  PHE*     4.2    22.2    -      -       +      -
    299C  GLY      3.2    13.9    +      -       -      +
    300C  ASP*     3.6     1.8    -      -       -      +
    301C  ALA      3.3     0.2    -      -       -      -
    302C  PHE*     1.3    86.8    -      -       +      +
    304C  GLY*     1.3    58.3    +      -       -      +
    306C  PHE*     3.1     5.6    +      -       -      +
    307C  LEU*     2.8    53.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLY 304 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69C  SER      3.3    27.1    -      -       -      -
     72C  VAL*     3.9     9.0    -      -       -      -
     73C  ALA*     3.4    13.6    -      -       -      +
    300C  ASP      3.2     8.4    +      -       -      -
    301C  ALA      3.3     3.1    +      -       -      -
    303C  VAL*     1.3    78.0    -      -       -      +
    305C  GLY*     1.3    62.9    +      -       -      +
    307C  LEU*     4.1     3.1    -      -       -      -
    308C  SER*     3.0    23.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 305 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     72C  VAL*     3.8     1.6    -      -       -      +
     76C  MET*     4.2     6.3    -      -       -      -
    301C  ALA      3.0    11.5    +      -       -      -
    302C  PHE      3.6     2.9    -      -       -      -
    304C  GLY*     1.3    73.1    -      -       -      +
    306C  PHE*     1.3    65.4    +      -       -      +
    308C  SER*     2.5    26.1    +      -       -      -
    309C  GLN      3.6     1.6    +      -       -      -
    322C  ALA*     3.7    26.1    -      -       -      +
    323C  GLY      3.7     6.5    -      -       -      -
    326C  ALA*     3.9     9.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 306 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    219C  ILE*     4.3    15.5    -      -       +      -
    221C  PHE*     4.1    18.4    -      +       +      -
    261C  ILE*     5.5     0.7    -      -       +      -
    263C  ILE*     3.4    31.0    -      -       +      -
    273C  MET*     4.4     1.1    -      -       +      -
    302C  PHE*     2.9    34.7    +      +       +      +
    303C  VAL*     3.4     9.4    -      -       -      +
    305C  GLY*     1.3    73.8    -      -       -      +
    307C  LEU*     1.3    65.9    +      -       +      +
    309C  GLN*     3.0     7.3    +      -       -      +
    310C  LEU*     3.0    36.7    +      -       +      -
    316C  LEU*     3.9    17.9    -      -       +      -
    319C  CYS*     3.2    49.6    -      -       +      +
    320C  ILE*     4.0     7.2    -      -       +      -
    323C  GLY*     3.6     2.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 307 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9C  LEU*     4.2    23.1    -      -       +      -
     69C  SER*     4.6     4.7    -      -       -      +
     70C  ILE*     5.2     1.3    -      -       +      -
     73C  ALA*     4.8     2.0    -      -       +      -
    164C  VAL*     4.0    25.6    -      -       +      +
    166C  TYR*     4.0    22.2    -      -       +      -
    194C  THR*     4.0    19.5    -      -       +      +
    221C  PHE*     4.5    11.9    -      -       +      -
    303C  VAL*     2.8    44.7    +      -       +      +
    304C  GLY*     3.8     9.0    -      -       -      +
    306C  PHE*     1.3    74.1    -      -       +      +
    308C  SER*     1.3    57.9    +      -       -      +
    309C  GLN      3.0     5.4    +      -       -      -
    310C  LEU*     3.8     8.8    -      -       +      +
    311C  VAL*     3.0    29.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 308 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     73C  ALA*     3.8     7.8    -      -       -      +
     76C  MET*     3.1    36.4    -      -       -      +
     77C  ILE*     4.0    21.1    -      -       -      +
    304C  GLY      3.0    12.4    +      -       -      -
    305C  GLY      2.5    19.9    +      -       -      -
    307C  LEU*     1.3    75.7    -      -       -      +
    309C  GLN*     1.3    76.6    +      -       -      +
    311C  VAL*     3.9    11.5    -      -       -      +
    312C  SER*     4.1     4.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 309 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    344B  PHE*     4.2    15.1    -      -       -      -
     76C  MET*     5.1     8.5    +      -       -      +
    305C  GLY      3.9     2.0    -      -       -      +
    306C  PHE      3.0     5.3    +      -       -      +
    307C  LEU      3.0     0.2    -      -       -      -
    308C  SER*     1.3   103.2    +      -       -      +
    310C  LEU*     1.3    53.9    +      -       -      +
    311C  VAL      2.9     4.7    -      -       -      -
    312C  SER*     2.7    32.1    +      -       -      -
    313C  ASP      3.4     6.2    +      -       -      -
    314C  LYS*     3.3    38.6    +      -       +      +
    318C  GLU*     3.7    15.0    -      -       -      +
    319C  CYS*     3.9    10.8    -      -       -      -
    322C  ALA*     3.6    30.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 310 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164C  VAL*     3.1    49.8    -      -       +      +
    192C  ILE*     3.9    26.2    -      -       +      +
    194C  THR*     5.0     1.8    -      -       +      -
    219C  ILE*     4.1    18.2    -      -       +      -
    306C  PHE*     3.0    34.4    +      -       +      +
    307C  LEU*     3.8     7.6    -      -       +      +
    309C  GLN*     1.3    76.3    -      -       -      +
    311C  VAL*     1.3    56.3    +      -       -      +
    313C  ASP*     3.0    23.8    +      -       -      +
    314C  LYS      4.8     3.8    -      -       -      +
    316C  LEU*     4.9     7.6    -      -       +      -
    319C  CYS*     3.5    15.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 311 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4C  VAL*     4.2     7.6    -      -       +      +
      8C  ILE*     2.9    75.6    -      -       +      +
      9C  LEU*     4.3    13.5    -      -       +      -
     77C  ILE*     4.5    13.0    -      -       +      -
    163C  ARG*     4.7     4.9    -      -       -      +
    164C  VAL*     4.0    16.2    -      -       +      -
    307C  LEU      3.0    14.6    +      -       -      +
    308C  SER*     3.9    17.7    -      -       -      +
    309C  GLN      2.8     0.2    +      -       -      -
    310C  LEU*     1.3    78.9    -      -       -      +
    312C  SER*     1.3    63.7    +      -       -      +
    313C  ASP*     3.5     4.4    +      -       -      +
----------------------------------------------------------
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A short description of the analytical approach
The contact analysis used in this page is based upon the approach developed in: Sobolev V., Wade R.C., Vriend G. and Edelman M. PROTEINS (1996) 25, 120-129. Contact legitimacy depends on the hydrophobic-hydrophilic properties of the contacting atoms. In order to define it, for each inter-atomic contact, eight atom classes have been introduced:


   I  Hydrophilic      - N and O that can donate and accept hydrogen bonds
                         (e.g., oxygen of hydroxyl group of Ser. or Thr)
  II  Acceptor         - N or O that can only accept a hydrogen bond
 III  Donor            - N that can only donate a hydrogen bond
  IV  Hydrophobic      - Cl, Br, I and all C atoms that are not in
                         aromatic rings and do not have a covalent bond to
                         a N or O atom
   V  Aromatic         - C in aromatic rings irrespective of any other 
                         bonds formed by the atom
  VI  Neutral          - C atoms that have a covalent bond to at least one
                         atom of class I or two or more atoms from class II
                         or III; atoms; S, F, P, and metal atoms in all cases
 VII  Neutral-donor    - C atoms that have a covalent bond with only one
                         atom of class III
VIII  Neutral-acceptor - C atoms that have a covalent bond with only 
                         one atom of class II
For each pair of contacts the state of legitimacy is shown below:

Legend:
+, legitimate
-, illegitimate
------------------------------------------------------------
  Atomic class           I  II  III   IV   V   VI  VII  VIII
------------------------------------------------------------
   I  (Hydrophilic)      +   +    +    -   +   +    +    +
  II  (Acceptor)         +   -    +    -   +   +    +    -
 III  (Donor)            +   +    -    -   +   +    -    +
  IV  (Hydrophobic)      -   -    -    +   +   +    +    +
   V  (Aromatic)         +   +    +    +   +   +    +    +
  VI  (Neutral)          +   +    +    +   +   +    +    +
 VII  (Neutral-donor)    +   +    -    +   +   +    -    +
VIII  (Neutral-acceptor) +   -    +    +   +   +    +    -
------------------------------------------------------------
Warning!
Atom classes for heterogroups are automatically assigned based on the atomic coordinates. However, in three cases (see below) the automatic assignment is currently ambiguous. In these cases, the user is advised to manually analyse the full list of contacts using LPC software.
1. Carbon atoms belonging to a 4-, 5- or 6-member ring are 
   considered "aromatic" (Class V) if the ring is approximately
   planar, and "hydrophobic" (Class IV) or "neutral" (Classes
   VI, VII, VIII) if the ring is non-planar.
2. The oxygen atom of a carbonyl or hydroxy group is considered
   "hydroxy" (Class I) if the CO bond is longer than 1.29 Å, and
   "carbonyl" (Class II) if shorter.
3. All nitrogen atoms are considered "hydrophilic" (Class I).

Please E-mail any questions and/or suggestions concerning this page to Vladimir.Sobolev@weizmann.ac.il