Contacts of the helix formed by residues 426 - 444 (chain L) in PDB entry 6PSU


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 LYS 426 (chain L).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    110L  LEU*     5.1     1.4    -      -       -      +
    111L  LEU      4.8     3.6    +      -       -      -
    113L  ARG*     3.5    45.5    -      -       +      +
    116L  GLU*     3.9    22.7    +      -       -      +
    419L  PHE*     4.0     5.9    -      -       -      -
    425L  TYR*     1.3    73.2    -      -       -      +
    427L  PHE*     1.3    65.8    +      -       -      +
    428L  SER*     3.5    18.2    -      -       -      +
    429L  THR*     3.1    18.9    -      -       +      +
    430L  TYR*     3.6     2.8    +      -       -      +
     51O    T      4.2     0.2    +      -       -      -
     52O    A      2.3    49.1    +      -       -      +
     53O    T      3.8     7.9    -      -       -      -
     54O    T      3.2    32.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 427 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    116L  GLU*     4.2    16.5    +      -       +      +
    379L  MET*     4.8    17.9    -      -       +      -
    383L  ASN*     3.3    42.4    -      -       +      -
    412L  LEU*     3.3    27.8    -      -       +      -
    415L  ALA*     4.0    18.6    -      -       +      -
    416L  VAL*     4.6     8.3    -      -       +      -
    419L  PHE*     3.3    60.2    -      +       +      -
    426L  LYS*     1.3    72.7    -      -       -      +
    428L  SER*     1.3    55.3    +      -       -      +
    429L  THR      3.3     0.2    -      -       -      -
    430L  TYR*     3.0     3.3    +      +       -      -
    431L  ALA*     2.7    48.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 428 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    116L  GLU*     5.1     1.0    +      -       -      -
    386L  LEU*     3.4    20.3    -      -       -      +
    426L  LYS*     3.1     9.2    -      -       -      +
    427L  PHE*     1.3    82.2    -      -       -      +
    429L  THR*     1.3    63.8    +      -       -      +
    431L  ALA      3.5     1.0    +      -       -      -
    432L  THR*     3.3    19.2    +      -       -      -
     52O    A      3.8     2.3    -      -       -      +
     53O    T      2.8    46.1    +      -       -      +
     54O    T      3.0    24.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 429 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    426L  LYS      3.1    18.8    +      -       -      +
    428L  SER*     1.3    80.5    +      -       -      +
    430L  TYR*     1.3    62.4    +      -       -      +
    431L  ALA      3.5     0.2    +      -       -      -
    432L  THR*     3.9     3.3    +      -       -      -
    433L  TRP*     3.8    17.0    +      -       -      -
     50O    A      3.8    28.7    +      -       +      +
     51O    T      3.6    25.9    +      -       -      +
     52O    A      3.7    34.9    +      -       -      +
     53O    T      3.2    20.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 430 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    415L  ALA*     4.0     4.9    -      -       +      -
    418L  LYS*     3.4    17.9    +      -       -      +
    419L  PHE*     3.3    58.6    -      +       +      -
    426L  LYS      4.1     3.8    -      -       -      +
    427L  PHE*     3.0    13.5    +      +       -      +
    429L  THR*     1.3    82.5    -      -       -      +
    431L  ALA*     1.3    64.8    -      -       -      +
    432L  THR      3.4     0.2    +      -       -      -
    433L  TRP*     3.4    19.6    +      +       +      +
    434L  TRP*     2.8    39.8    +      +       -      -
     49O    C      4.9    19.8    +      +       -      -
     50O    A      3.4    46.7    -      +       -      +
----------------------------------------------------------
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Residues in contact with ALA 431 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    386L  LEU*     3.4    24.5    -      -       +      -
    412L  LEU*     4.7     0.2    -      -       +      -
    415L  ALA*     5.0     4.7    -      -       +      -
    427L  PHE*     2.7    47.1    +      -       +      +
    429L  THR      3.4     0.6    -      -       -      -
    430L  TYR*     1.3    75.4    -      -       -      +
    432L  THR*     1.3    57.5    +      -       -      +
    434L  TRP*     2.9     9.5    +      -       -      +
    435L  ILE*     2.8    39.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with THR 432 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    386L  LEU*     3.3    23.6    -      -       -      +
    390L  ILE*     3.3    37.8    -      -       +      +
    428L  SER      3.3     7.4    +      -       -      -
    429L  THR      3.9     0.6    +      -       -      -
    430L  TYR      3.4     1.2    -      -       -      -
    431L  ALA*     1.3    74.5    -      -       -      +
    433L  TRP*     1.3    54.7    +      -       -      +
    436L  ARG*     2.7    48.5    +      -       +      +
     53O    T      3.7    28.0    -      -       +      +
     35P    A      5.0     5.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 433 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    429L  THR*     3.8    18.9    +      -       -      -
    430L  TYR*     3.4    13.3    +      +       +      +
    431L  ALA      3.0     0.6    +      -       -      -
    432L  THR*     1.3    77.9    -      -       -      +
    434L  TRP*     1.3    64.8    +      -       +      +
    436L  ARG*     3.8    23.2    -      -       -      +
    437L  GLN*     3.2    18.0    +      -       -      +
     49O    C      3.1    60.5    +      +       +      +
     50O    A      2.9    48.3    +      -       -      -
     37P    G      3.8    23.6    -      +       -      +
----------------------------------------------------------
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Residues in contact with TRP 434 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    411L  GLY*     3.9    21.2    -      -       -      +
    414L  LYS*     4.4    23.1    -      -       +      -
    415L  ALA*     3.3    28.6    -      -       +      +
    418L  LYS*     3.3    35.6    -      -       +      +
    430L  TYR*     2.8    38.9    +      +       -      -
    431L  ALA      2.9     9.2    +      -       -      +
    433L  TRP*     1.3    78.9    -      -       +      +
    435L  ILE*     1.3    58.1    +      -       -      +
    437L  GLN*     3.1    33.9    +      -       +      +
    438L  ALA*     2.8    28.3    +      -       -      +
     48O    G      4.1    38.8    -      +       -      -
     49O    C      4.4    14.4    +      +       -      +
----------------------------------------------------------
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Residues in contact with ILE 435 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    383L  ASN*     4.4     1.3    -      -       -      +
    386L  LEU*     4.4     4.3    -      -       +      -
    387L  VAL*     3.6    27.8    -      -       +      -
    390L  ILE*     3.3    39.7    -      -       +      -
    391L  ALA*     6.6     0.2    -      -       +      -
    408L  GLY*     3.7    18.6    -      -       -      +
    411L  GLY      4.2     0.7    -      -       -      -
    412L  LEU*     3.8    32.1    -      -       +      +
    431L  ALA*     2.8    37.2    +      -       +      +
    434L  TRP*     1.3    75.0    -      -       -      +
    436L  ARG*     1.3    64.3    +      -       -      +
    438L  ALA*     3.4     5.9    +      -       -      +
    439L  ILE*     3.1    24.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 436 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    390L  ILE*     4.5     7.1    -      -       +      +
    394L  TYR*     3.2    21.8    +      -       +      +
    432L  THR*     2.7    37.3    +      -       +      +
    433L  TRP*     3.8    23.6    -      -       +      +
    435L  ILE*     1.3    73.4    -      -       -      +
    437L  GLN*     1.3    60.9    +      -       -      +
    438L  ALA      3.2     0.2    +      -       -      -
    439L  ILE*     3.3     3.3    +      -       -      +
    440L  THR*     3.0    28.1    +      -       -      -
     35P    A      3.2    35.7    +      -       -      +
     37P    G      2.9    58.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 437 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    411L  GLY*     5.9     1.6    -      -       -      -
    414L  LYS*     5.2     9.3    -      -       -      +
    433L  TRP      3.2     6.7    +      -       -      +
    434L  TRP*     3.1    41.9    +      -       +      +
    436L  ARG*     1.3    79.7    -      -       -      +
    438L  ALA*     1.3    65.0    +      -       -      +
    440L  THR*     4.8     0.9    -      -       -      -
    441L  ARG*     2.8    69.2    +      -       +      +
     48O    G      4.2    13.3    -      -       -      +
     49O    C      4.1     4.5    -      -       -      +
     37P    G      2.9    35.3    +      -       +      +
     38P    C      5.6     0.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 438 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    407L  GLU*     3.1    32.1    -      -       +      +
    408L  GLY*     4.4     0.7    -      -       -      -
    410L  ILE*     5.5     0.9    -      -       +      -
    411L  GLY*     4.1    11.7    -      -       -      +
    434L  TRP      2.8    18.1    +      -       -      +
    435L  ILE*     3.4    11.7    -      -       -      +
    436L  ARG      3.1     0.4    -      -       -      -
    437L  GLN*     1.3    84.6    -      -       -      +
    439L  ILE*     1.3    64.9    +      -       -      +
    441L  ARG*     4.4     0.6    -      -       -      +
    442L  SER*     3.1    26.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 439 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    387L  VAL*     5.4     0.2    -      -       +      -
    390L  ILE*     4.9     3.8    -      -       +      -
    391L  ALA*     4.8     9.0    -      -       +      -
    394L  TYR*     3.3    27.8    -      -       +      -
    404L  LEU*     3.0    45.5    -      -       +      +
    407L  GLU*     3.8     1.6    -      -       +      -
    408L  GLY*     3.1    26.2    -      -       -      +
    435L  ILE*     3.1    19.6    +      -       +      +
    438L  ALA*     1.3    74.4    -      -       -      +
    440L  THR*     1.3    53.4    +      -       -      +
    442L  SER*     2.9     7.3    +      -       -      +
    443L  ILE*     2.6    63.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with THR 440 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    394L  TYR*     3.9    21.1    +      -       -      -
    436L  ARG      3.0    17.2    +      -       -      -
    437L  GLN*     4.6     2.7    -      -       -      -
    439L  ILE*     1.3    74.8    -      -       -      +
    441L  ARG*     1.3    65.3    +      -       -      +
    442L  SER      3.1     1.3    -      -       -      -
    443L  ILE*     3.9    10.3    -      -       +      +
    444L  ALA*     3.2    25.9    +      -       +      +
    454L  VAL*     5.8     0.5    -      -       -      +
     37P    G      2.9    37.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 441 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    437L  GLN*     2.8    50.1    +      -       +      +
    438L  ALA*     4.4     1.1    -      -       -      +
    440L  THR*     1.3    75.3    -      -       -      +
    442L  SER*     1.3    59.4    +      -       -      +
    444L  ALA      4.1     1.0    +      -       -      -
    445L  ASP*     3.4    22.1    +      -       -      +
    454L  VAL*     4.6    25.4    -      -       -      +
     46O    G      4.4    28.9    +      -       -      +
     47O    G      3.4    34.8    +      -       -      -
     48O    G      4.5     9.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 442 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    399L  LEU*     4.6     6.6    -      -       -      +
    407L  GLU*     3.5    32.9    -      -       -      +
    438L  ALA      3.1    15.8    +      -       -      -
    439L  ILE*     2.9    11.1    +      -       -      +
    440L  THR      3.1     0.4    -      -       -      -
    441L  ARG*     1.3    76.2    -      -       -      +
    443L  ILE*     1.3    62.4    +      -       -      +
    444L  ALA      3.1     2.5    -      -       -      -
    445L  ASP*     2.6    26.3    +      -       -      -
    446L  GLN*     2.9    29.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 443 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    394L  TYR*     3.7    17.5    -      -       +      +
    397L  ARG*     3.8    33.2    -      -       +      +
    399L  LEU*     3.8    24.0    -      -       +      -
    404L  LEU*     3.5    12.3    -      -       +      -
    439L  ILE*     2.6    51.9    +      -       +      +
    440L  THR*     3.3     9.8    +      -       +      +
    442L  SER*     1.3    72.9    +      -       -      +
    444L  ALA*     1.3    60.0    +      -       +      +
    447L  ALA*     2.9    35.4    -      -       +      +
    448L  ARG*     5.7     0.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 444 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    440L  THR*     3.2    17.3    +      -       +      +
    441L  ARG      4.7     0.2    -      -       -      +
    442L  SER      3.1     0.6    -      -       -      -
    443L  ILE*     1.3    78.2    -      -       +      +
    445L  ASP*     1.3    61.4    +      -       -      +
    447L  ALA      5.0     0.7    -      -       -      -
    448L  ARG*     5.9     3.1    -      -       -      +
    451L  ARG*     4.7     1.2    +      -       -      +
    452L  ILE*     3.6     9.4    +      -       -      +
    454L  VAL*     3.9    21.1    -      -       +      +
    457L  ILE*     3.1    52.6    -      -       +      +
----------------------------------------------------------
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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