Contacts of the helix formed by residues 403 - 417 (chain A) in PDB entry 1GC5


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 ASN 403 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    354A  TYR*     4.9    10.9    +      -       -      -
    355A  GLY*     3.5    29.7    -      -       -      +
    401A  PRO      3.6     2.2    +      -       -      -
    402A  THR*     1.3    71.4    -      -       -      +
    404A  GLU*     1.3    61.1    +      -       -      +
    405A  ARG*     3.2    10.2    +      -       -      +
    406A  ALA*     2.6    45.8    +      -       +      +
    407A  ILE*     3.4    12.6    +      -       -      +
    437A  THR      2.7    21.8    +      -       -      +
    438A  LYS*     4.7     0.4    -      -       -      +
    439A  ILE*     3.9    18.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 404 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  LEU*     3.9    35.0    -      -       +      +
      9A  ILE*     4.0    15.1    -      -       +      +
    402A  THR      2.8    10.3    +      -       -      +
    403A  ASN*     1.3    73.4    +      -       -      +
    405A  ARG*     1.3    63.4    +      -       -      +
    407A  ILE*     3.1    20.2    +      -       +      +
    408A  VAL*     3.1    14.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 405 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    356A  TYR*     5.9     1.6    -      -       -      -
    403A  ASN*     3.2     9.2    +      -       -      +
    404A  GLU*     1.3    75.1    -      -       -      +
    406A  ALA*     1.3    61.4    +      -       -      +
    408A  VAL*     3.2    11.6    +      -       +      +
    409A  LEU*     3.0    58.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 406 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    355A  GLY*     3.1    30.1    -      -       -      +
    356A  TYR*     4.3     4.0    -      -       +      -
    403A  ASN*     2.6    22.6    +      -       -      +
    405A  ARG*     1.3    74.2    -      -       -      +
    407A  ILE*     1.3    61.5    +      -       -      +
    409A  LEU*     3.3    12.4    +      -       -      +
    410A  GLU      3.2     8.5    +      -       -      -
    434A  PHE*     3.1    28.4    -      -       +      -
    436A  PRO*     3.6    15.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 407 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  LEU*     3.5    20.4    -      -       +      -
      8A  ARG*     3.7    28.5    +      -       +      +
      9A  ILE*     3.4    35.9    -      -       +      -
     12A  TRP*     4.1    20.4    -      -       +      +
    402A  THR*     4.3    17.3    -      -       +      +
    403A  ASN      3.7    13.0    -      -       -      +
    404A  GLU*     3.1    15.3    +      -       -      +
    406A  ALA*     1.3    76.2    -      -       -      +
    408A  VAL*     1.3    65.0    +      -       -      +
    410A  GLU*     3.1    21.2    +      -       -      +
    411A  GLU*     3.9     5.7    +      -       -      +
    436A  PRO*     4.2    11.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 408 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  LEU*     3.3    33.7    -      -       +      -
    404A  GLU*     3.1     8.8    +      -       +      +
    405A  ARG*     3.2    14.1    +      -       +      +
    407A  ILE*     1.3    78.8    -      -       -      +
    409A  LEU*     1.3    63.3    +      -       +      +
    411A  GLU*     3.2    40.3    +      -       -      +
    412A  GLU*     4.2     9.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 409 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    330A  ILE*     4.5    31.6    -      -       +      +
    356A  TYR*     4.5    16.8    -      -       +      -
    405A  ARG*     3.0    53.9    +      -       +      +
    406A  ALA*     3.4    17.3    -      -       -      +
    408A  VAL*     1.3    78.2    -      -       +      +
    410A  GLU*     1.3    63.4    +      -       -      +
    412A  GLU*     3.2    37.6    +      -       -      +
    413A  LEU*     3.5    12.7    +      -       -      +
    434A  PHE*     4.7     5.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 410 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  ARG*     4.2     7.6    +      -       -      +
     11A  LEU*     5.3     0.3    -      -       -      +
     12A  TRP*     3.1    36.2    +      -       -      -
    406A  ALA      3.2     4.6    +      -       -      -
    407A  ILE*     3.1    13.8    +      -       -      +
    409A  LEU*     1.3    78.2    -      -       -      +
    411A  GLU*     1.3    63.9    +      -       -      +
    413A  LEU*     2.9    13.2    +      -       +      +
    414A  GLU*     2.8    33.6    +      -       -      +
    419A  GLU*     2.5    35.3    -      -       -      +
    422A  ASN*     3.6    10.0    -      -       -      +
    423A  GLY      3.1    15.1    +      -       -      -
    434A  PHE*     3.9    22.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 411 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3A  GLU      4.3     3.0    -      -       -      +
      5A  LEU*     5.3     5.4    +      -       -      +
      8A  ARG*     3.4    43.6    +      -       -      +
    407A  ILE      4.2     1.1    -      -       -      +
    408A  VAL*     3.3    34.8    -      -       -      +
    409A  LEU      3.2     0.2    -      -       -      -
    410A  GLU*     1.3    77.7    -      -       -      +
    412A  GLU*     1.3    60.4    +      -       +      +
    414A  GLU*     3.2    27.9    -      -       -      +
    415A  LYS*     3.2    10.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 412 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    330A  ILE*     5.3     1.9    -      -       -      +
    331A  PHE*     3.5    19.8    -      -       +      -
    408A  VAL*     4.3    12.2    -      -       -      +
    409A  LEU*     3.7    33.4    -      -       -      +
    410A  GLU      3.1     0.8    -      -       -      -
    411A  GLU*     1.3    73.7    -      -       +      +
    413A  LEU*     1.3    65.0    +      -       -      +
    414A  GLU      3.1     1.1    -      -       -      -
    415A  LYS*     2.8    44.6    +      -       -      +
    416A  GLU*     3.1     7.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 413 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    330A  ILE*     4.4    14.4    -      -       +      -
    331A  PHE*     3.9    20.9    -      -       +      -
    334A  ILE*     4.2    22.7    -      -       +      -
    358A  LEU*     5.0     3.4    -      -       +      -
    409A  LEU      3.5    11.6    +      -       -      +
    410A  GLU*     2.9    10.6    +      -       +      +
    412A  GLU*     1.3    77.3    -      -       -      +
    414A  GLU*     1.3    56.3    +      -       -      +
    416A  GLU      3.1     0.3    +      -       -      -
    417A  PHE*     2.7    44.7    +      -       +      +
    419A  GLU*     4.8     3.6    -      -       -      +
    425A  ILE*     4.4    21.7    -      -       +      +
    432A  LEU*     5.6     0.2    -      -       +      -
    434A  PHE*     3.4    49.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 414 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  ARG*     2.9    39.4    +      -       -      -
    410A  GLU*     2.8    25.2    +      -       -      +
    411A  GLU*     3.2    14.7    -      -       -      +
    413A  LEU*     1.3    78.6    -      -       -      +
    415A  LYS*     1.3    58.0    +      -       -      +
    417A  PHE      3.1    18.7    -      -       -      +
    419A  GLU*     3.3    37.9    +      -       +      +
    422A  ASN*     4.6     3.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 415 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    331A  PHE*     3.8     7.5    -      -       -      -
    411A  GLU      3.2     8.0    +      -       -      +
    412A  GLU*     2.8    43.4    +      -       -      +
    413A  LEU      3.3     0.4    -      -       -      -
    414A  GLU*     1.3    79.8    -      -       -      +
    416A  GLU*     1.3    95.6    +      -       -      +
    417A  PHE      4.6     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 416 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    331A  PHE*     3.3    29.9    -      -       +      -
    412A  GLU      3.3     7.9    -      -       -      +
    413A  LEU      3.1     2.5    +      -       -      +
    415A  LYS*     1.3   120.3    -      -       -      +
    417A  PHE*     1.3    74.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 417 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    331A  PHE*     3.4    35.4    -      +       -      -
    334A  ILE*     4.0    29.6    -      -       +      -
    413A  LEU*     2.7    31.1    +      -       +      +
    414A  GLU      3.1    19.1    -      -       -      +
    415A  LYS      4.6     0.3    -      -       -      -
    416A  GLU*     1.3    86.7    -      -       +      +
    418A  THR*     1.3    63.0    +      -       -      +
    419A  GLU      3.4     4.3    +      -       -      -
    425A  ILE*     3.6    29.8    -      -       +      -
    427A  MET*     3.7    28.5    -      -       +      -
    432A  LEU*     4.8     0.9    -      -       +      -
----------------------------------------------------------
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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