Contacts of the helix formed by residues 203 - 211 (chain B) in PDB entry 6VSU


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 203 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    189B  ASP      3.4     2.9    -      -       -      -
    191B  TYR*     2.7    27.7    +      -       -      +
    193B  CYS      3.7     1.4    +      -       -      -
    194B  PHE*     3.1    26.9    +      -       -      +
    198B  LYS      3.9     5.4    -      -       -      -
    200B  SER*     2.9    12.9    +      -       -      -
    202B  ALA*     1.3    74.6    -      -       -      +
    204B  SER*     1.3    67.1    +      -       -      +
    205B  PHE      3.2     3.1    -      -       -      -
    206B  ALA*     3.1    13.5    +      -       -      +
    207B  ARG*     3.1    32.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 204 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    161B  HIS*     2.8    30.7    +      -       -      +
    162B  SER*     4.0    18.6    -      -       -      -
    164B  SER*     4.9     1.8    -      -       -      -
    165B  TYR*     3.8    14.9    -      -       -      +
    189B  ASP      3.4     1.4    +      -       -      -
    199B  TYR*     6.2     0.4    -      -       -      +
    200B  SER      3.4     4.7    +      -       -      -
    201B  HIS      3.8     8.0    +      -       -      -
    203B  SER*     1.3    76.8    -      -       -      +
    205B  PHE*     1.3    70.9    +      -       -      +
    207B  ARG*     3.4     7.8    +      -       -      +
    208B  ILE*     3.0    30.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 205 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    161B  HIS*     3.4    29.8    -      +       -      -
    164B  SER*     4.3     8.5    -      -       -      -
    168B  VAL*     5.7     0.7    -      -       +      -
    181B  ILE*     4.1    24.7    -      -       +      -
    183B  HIS*     3.4    43.1    -      +       -      -
    188B  PRO      4.0     2.5    -      -       -      +
    189B  ASP*     3.0    20.5    +      -       +      +
    190B  ILE*     3.6    13.2    -      -       +      -
    204B  SER*     1.3    77.4    -      -       -      +
    206B  ALA*     1.3    61.7    +      -       -      +
    208B  ILE*     3.8    21.9    -      -       +      +
    209B  MET*     2.9    33.4    +      -       -      +
    217B  LEU*     3.9    26.0    -      -       +      -
    268B  SER*     3.8    11.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 206 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    189B  ASP      3.7     0.6    +      -       -      -
    190B  ILE*     3.5    22.6    -      -       -      +
    191B  TYR      3.6    20.0    -      -       -      +
    203B  SER      3.1     9.7    +      -       -      +
    205B  PHE*     1.3    73.9    -      -       -      +
    207B  ARG*     1.3    78.2    +      -       -      +
    209B  MET*     3.3     0.7    +      -       -      +
    210B  GLU*     2.9    34.5    +      -       -      +
    232B  GLN*     4.1    10.3    -      -       -      +
    236B  PHE*     4.2     8.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 207 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165B  TYR*     3.4    50.3    +      -       +      -
    192B  ASP*     2.6    40.0    +      -       -      +
    198B  LYS*     2.9    55.6    +      -       -      +
    199B  TYR*     5.5     1.1    -      -       +      -
    203B  SER*     3.1    17.6    +      -       -      +
    204B  SER*     3.4     9.9    -      -       -      +
    206B  ALA*     1.3    80.7    -      -       -      +
    208B  ILE*     1.3    61.7    +      -       -      +
    210B  GLU*     2.9    46.9    +      -       -      +
    211B  GLY*     3.3    17.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 208 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164B  SER*     3.7    26.0    -      -       -      +
    165B  TYR*     3.8    18.4    -      -       +      -
    168B  VAL*     4.0    23.3    -      -       +      -
    181B  ILE*     3.9    10.1    -      -       +      -
    204B  SER      3.0    21.7    +      -       -      +
    205B  PHE*     3.8    33.9    -      -       +      +
    206B  ALA      3.2     0.6    -      -       -      -
    207B  ARG*     1.3    76.7    -      -       -      +
    209B  MET*     1.3    66.0    +      -       -      +
    211B  GLY      3.4     8.8    +      -       -      -
    213B  TYR*     3.4    24.3    +      -       +      -
    214B  ALA*     3.9    26.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 209 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    190B  ILE*     5.2     0.4    -      -       +      -
    205B  PHE      2.9    25.2    +      -       -      +
    206B  ALA      3.3     0.6    +      -       -      +
    208B  ILE*     1.3    74.1    -      -       +      +
    210B  GLU*     1.3    65.9    +      -       -      +
    212B  GLY*     3.2    14.3    +      -       -      -
    213B  TYR      5.3     0.2    -      -       -      +
    214B  ALA*     3.7    38.7    -      -       -      +
    215B  ARG      4.2    11.2    -      -       -      +
    217B  LEU*     4.0    33.9    -      -       +      +
    236B  PHE*     3.4    58.7    -      -       +      +
    237B  GLY      5.7     0.4    -      -       -      -
    238B  VAL*     4.6     2.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 210 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    192B  ASP*     3.7    10.2    -      -       -      +
    206B  ALA*     2.9    22.2    +      -       -      +
    207B  ARG*     2.9    48.2    +      -       -      +
    209B  MET*     1.3    77.6    -      -       -      +
    211B  GLY*     1.3    58.8    -      -       -      +
    212B  GLY      3.3     0.9    +      -       -      -
    232B  GLN*     5.5     0.2    +      -       -      -
    235B  ARG*     4.4    15.2    +      -       -      +
    236B  PHE*     3.8    20.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 211 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207B  ARG      3.3     7.8    +      -       -      -
    208B  ILE      3.4     0.6    +      -       -      -
    209B  MET      3.3     1.2    -      -       -      -
    210B  GLU*     1.3    77.9    -      -       -      +
    212B  GLY*     1.3    61.7    +      -       -      +
    213B  TYR*     3.2    39.4    +      -       -      -
----------------------------------------------------------
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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