Contacts of the helix formed by residues 497 - 516 (chain D) in PDB entry 6W4E


Residue contacts within the protein are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332). A short description of the analytical approach is given at the end of the page.
For CSU analysis of other PDB entry

Note:
Non-standard 3 letter residue codes indicate a heterogroup. To identify and analyse, use LPC software

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with SER 497 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    493D  GLN*     2.7    22.4    +      -       -      +
    494D  GLU*     5.2     0.7    -      -       -      -
    495D  LYS      3.1     1.0    -      -       -      -
    496D  LEU*     1.3    77.9    -      -       -      +
    498D  PRO*     1.4    69.0    -      -       -      +
    501D  GLU*     2.9    35.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 498 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    275A  LYS*     5.2    11.7    -      -       +      -
    494D  GLU*     3.1    29.4    -      -       -      +
    495D  LYS*     3.4     5.4    -      -       -      +
    497D  SER*     1.4    96.1    -      -       -      +
    499D  LEU*     1.3    64.7    +      -       +      +
    501D  GLU*     3.4     4.4    +      -       +      +
    502D  GLU*     2.8    31.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 499 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    272A  TYR*     4.0    23.3    +      -       +      +
    275A  LYS*     3.8    29.8    -      -       +      -
    279A  LEU*     3.9    27.4    -      -       +      -
    495D  LYS*     2.9    28.5    +      -       +      +
    496D  LEU*     5.0     1.1    -      -       +      -
    498D  PRO*     1.3    79.1    -      -       +      +
    500D  GLY*     1.3    56.7    +      -       -      +
    502D  GLU*     3.4    24.7    -      -       -      +
    503D  MET*     2.7    36.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 500 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    496D  LEU*     3.1    28.1    +      -       -      +
    498D  PRO      3.2     0.8    -      -       -      -
    499D  LEU*     1.3    78.7    -      -       -      +
    501D  GLU*     1.3    56.7    +      -       -      +
    503D  MET*     3.8    11.7    -      -       -      +
    504D  ARG*     3.0    39.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 501 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    497D  SER*     2.9    19.0    +      -       -      +
    498D  PRO*     3.9     4.7    -      -       +      +
    500D  GLY*     1.3    73.5    -      -       -      +
    502D  GLU*     1.3    60.5    +      -       -      +
    504D  ARG*     2.8    41.2    +      -       -      +
    505D  ASP*     2.8    29.5    +      -       -      +
    508D  ARG*     5.1    14.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 502 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    271A  LEU*     3.7    22.5    -      -       +      +
    272A  TYR*     4.3     0.5    -      -       -      -
    275A  LYS*     2.6    32.4    +      -       -      -
    498D  PRO      2.8    19.6    +      -       -      +
    499D  LEU*     3.4    21.1    -      -       -      +
    501D  GLU*     1.3    75.8    -      -       -      +
    503D  MET*     1.3    55.1    +      -       -      +
    505D  ASP*     3.1     8.5    +      -       +      +
    506D  ARG*     2.6    74.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 503 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    272A  TYR*     5.0    10.5    -      -       -      +
    499D  LEU      2.7    22.6    +      -       -      +
    500D  GLY*     3.8    11.9    -      -       -      +
    502D  GLU*     1.3    73.7    -      -       -      +
    504D  ARG*     1.3    65.6    +      -       +      +
    506D  ARG*     3.1    20.2    +      -       +      +
    507D  ALA*     2.8    34.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 504 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    500D  GLY*     3.0    23.1    +      -       -      +
    501D  GLU*     2.8    42.3    +      -       -      +
    503D  MET*     1.3    84.8    -      -       +      +
    505D  ASP*     1.3    58.1    +      -       -      +
    507D  ALA*     3.2     9.0    +      -       -      +
    508D  ARG*     2.8    41.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 505 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    501D  GLU      2.8    17.8    +      -       -      +
    502D  GLU*     3.1     8.7    +      -       +      +
    504D  ARG*     1.3    73.6    -      -       -      +
    506D  ARG*     1.3    60.9    +      -       -      +
    508D  ARG*     3.0    40.0    +      -       -      +
    509D  ALA*     2.8    30.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 506 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    268A  GLU*     2.7    85.8    +      -       +      +
    271A  LEU*     3.5    13.5    -      -       +      +
    272A  TYR*     3.2    39.8    +      -       -      -
    502D  GLU*     2.6    52.5    +      -       +      +
    503D  MET*     3.2    22.3    -      -       +      +
    505D  ASP*     1.3    76.7    -      -       -      +
    507D  ALA*     1.3    50.8    +      -       -      +
    509D  ALA*     3.1     8.4    +      -       -      +
    510D  HIS*     2.8    43.4    +      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 507 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    503D  MET*     2.8    19.7    +      -       -      +
    504D  ARG*     3.4    13.7    -      -       -      +
    506D  ARG*     1.3    76.2    -      -       -      +
    508D  ARG*     1.3    53.6    +      -       -      +
    510D  HIS*     3.1     7.9    +      -       -      +
    511D  VAL*     2.7    46.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 508 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    501D  GLU*     5.1    13.3    +      -       -      -
    504D  ARG*     2.8    25.2    +      -       +      +
    505D  ASP*     3.0    42.7    +      -       -      +
    507D  ALA*     1.3    75.6    -      -       -      +
    509D  ALA*     1.3    53.4    +      -       -      +
    511D  VAL*     4.1     3.3    -      -       -      +
    512D  ASP*     2.7    41.4    +      -       -      +
    515D  ARG*     4.5     4.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 509 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    264A  LYS*     3.0    49.8    +      -       +      +
    505D  ASP*     2.8    17.7    +      -       -      +
    506D  ARG*     3.1    11.2    +      -       -      +
    508D  ARG*     1.3    72.2    -      -       -      +
    510D  HIS*     1.3    57.5    +      -       +      +
    512D  ASP*     4.1     5.3    -      -       -      +
    513D  ALA*     3.1    16.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 510 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    261A  PHE*     3.6    35.2    -      +       +      -
    264A  LYS*     5.7     9.3    -      -       +      +
    265A  TRP*     4.6    11.2    -      +       -      -
    268A  GLU*     2.8    28.9    +      -       -      -
    506D  ARG*     2.8    31.5    +      -       +      -
    507D  ALA*     3.1    11.4    +      -       -      +
    509D  ALA*     1.3    77.0    -      -       +      +
    511D  VAL*     1.3    62.6    +      -       +      +
    513D  ALA*     3.1     7.0    +      -       -      +
    514D  LEU*     2.9    37.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 511 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    507D  ALA*     2.7    29.3    +      -       +      +
    508D  ARG*     4.1     2.9    -      -       -      +
    510D  HIS*     1.3    70.2    -      -       +      +
    512D  ASP*     1.3    60.4    +      -       -      +
    514D  LEU*     3.0    19.4    +      -       +      +
    515D  ARG*     2.9    54.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 512 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    264A  LYS*     5.8     1.3    +      -       -      +
    508D  ARG      2.7    26.2    +      -       -      +
    509D  ALA*     4.1     6.0    -      -       -      +
    511D  VAL*     1.3    72.6    -      -       -      +
    513D  ALA*     1.3    63.4    +      -       -      +
    515D  ARG*     3.0    47.3    +      -       -      +
    516D  THR*     3.3    12.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 513 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    260A  ASP*     3.7    11.0    -      -       -      +
    261A  PHE*     3.9    16.6    -      -       +      -
    264A  LYS*     3.6    16.4    -      -       -      +
    509D  ALA      3.1    18.1    +      -       -      +
    510D  HIS      3.1     5.7    +      -       -      +
    512D  ASP*     1.3    78.5    +      -       -      +
    514D  LEU*     1.3    51.3    +      -       -      +
    516D  THR*     2.8    10.1    +      -       -      -
    517D  HIS*     2.8    45.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 514 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    261A  PHE*     4.0    22.4    -      -       +      -
    510D  HIS*     2.9    25.2    +      -       +      +
    511D  VAL*     3.0    23.8    +      -       +      +
    513D  ALA*     1.3    76.1    -      -       -      +
    515D  ARG*     1.3    57.7    +      -       -      +
    517D  HIS*     3.0    10.8    +      -       +      +
    518D  LEU*     2.7    58.7    +      -       +      +
    519D  ALA      3.3     6.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 515 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    508D  ARG*     4.5     4.2    +      -       -      +
    511D  VAL*     2.9    39.5    +      -       +      +
    512D  ASP*     3.0    46.3    +      -       -      +
    514D  LEU*     1.3    77.1    -      -       +      +
    516D  THR*     1.3    57.9    +      -       -      +
    519D  ALA*     3.3    14.0    -      -       -      +
    520D  PRO*     3.3    15.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 516 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    253A  LYS*     5.4     0.2    +      -       -      -
    257A  TYR*     3.8     8.5    +      -       -      -
    512D  ASP*     3.3    13.5    +      -       -      -
    513D  ALA*     2.8     9.2    +      -       -      -
    515D  ARG*     1.3    78.7    -      -       -      +
    517D  HIS*     1.3    68.8    +      -       -      +
    520D  PRO*     3.5    19.1    -      -       +      +
----------------------------------------------------------
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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