Contacts of the helix formed by residues 1911 - 1930 (chain B) in PDB entry 3AU5


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 MET1911 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1912B  TRP*     1.3    54.6    +      -       -      +
   1913B  ILE*     2.9    10.5    -      -       -      +
   1914B  LYS*     3.8    13.2    -      -       -      +
   1915B  GLU*     2.5    46.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with TRP1912 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1860B  LEU*     5.9     2.4    -      -       -      +
   1911B  MET*     1.3    78.1    -      -       -      +
   1913B  ILE*     1.3    60.0    +      -       -      +
   1915B  GLU*     4.2     6.4    -      -       -      +
   1916B  GLU*     4.1    20.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1913 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1860B  LEU*     6.1     4.9    -      -       -      -
   1911B  MET      2.9     5.6    -      -       -      +
   1912B  TRP*     1.3    78.7    -      -       -      +
   1914B  LYS*     1.3    65.0    +      -       -      +
   1915B  GLU      3.2     1.1    +      -       -      -
   1916B  GLU*     4.7     0.5    -      -       -      +
   1917B  VAL*     3.1    33.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS1914 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1911B  MET*     3.2    14.0    +      -       -      +
   1913B  ILE*     1.3    75.3    -      -       -      +
   1915B  GLU*     1.3    68.9    +      -       -      +
   1917B  VAL*     3.9     7.7    -      -       -      +
   1918B  SER*     3.3    19.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU1915 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1911B  MET*     2.5    28.8    +      -       +      +
   1912B  TRP*     4.2     6.7    -      -       -      +
   1914B  LYS*     1.3    76.3    -      -       -      +
   1916B  GLU*     1.3    76.4    +      -       +      +
   1918B  SER*     3.3    15.6    -      -       -      -
   1919B  SER*     3.5     4.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU1916 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1860B  LEU*     5.2     9.9    -      -       -      +
   1912B  TRP      4.1    13.0    +      -       -      +
   1913B  ILE      3.7     2.4    +      -       -      +
   1914B  LYS      3.5     0.2    -      -       -      -
   1915B  GLU*     1.3    89.4    -      -       +      +
   1917B  VAL*     1.3    56.9    +      -       -      +
   1918B  SER      2.9     2.5    -      -       -      -
   1919B  SER*     2.8    13.1    +      -       -      -
   1920B  ALA*     2.7    36.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL1917 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1851B  LEU*     3.6    22.5    -      -       +      +
   1857B  LEU*     3.8    31.9    -      -       +      -
   1913B  ILE*     3.1    30.6    +      -       +      +
   1914B  LYS*     3.9     8.3    -      -       -      +
   1915B  GLU      3.4     0.4    -      -       -      -
   1916B  GLU*     1.3    76.5    -      -       -      +
   1918B  SER*     1.3    59.0    +      -       -      +
   1920B  ALA*     4.6     2.5    -      -       -      -
   1921B  ARG*     3.1    30.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER1918 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1914B  LYS      3.3     8.9    +      -       -      -
   1915B  GLU*     3.3    12.6    -      -       -      -
   1916B  GLU      2.9     0.2    -      -       -      -
   1917B  VAL*     1.3    79.5    -      -       -      +
   1919B  SER*     1.3    59.0    +      -       -      +
   1921B  ARG*     3.6     7.9    +      -       -      +
   1922B  ALA*     3.0    30.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER1919 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1915B  GLU*     3.5     3.2    +      -       -      -
   1916B  GLU*     2.8    22.8    +      -       -      -
   1918B  SER*     1.3    77.4    -      -       -      +
   1920B  ALA*     1.3    65.0    +      -       -      -
   1922B  ALA*     3.2     7.3    +      -       -      +
   1923B  SER*     3.0    25.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA1920 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1824B  GLU*     5.5     0.2    -      -       -      +
   1828B  GLN*     5.4     5.2    -      -       -      +
   1851B  LEU*     4.6     2.9    -      -       +      -
   1855B  TYR*     3.5    42.6    -      -       +      +
   1857B  LEU*     5.6     0.4    -      -       +      -
   1916B  GLU*     2.7    18.2    +      -       +      +
   1917B  VAL*     4.2     4.3    -      -       -      +
   1919B  SER*     1.3    72.9    -      -       -      +
   1921B  ARG*     1.3    64.7    +      -       -      +
   1923B  SER*     3.0     7.8    +      -       -      -
   1924B  ILE*     2.9    30.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG1921 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1846B  ALA      5.1     4.8    +      -       -      -
   1847B  ALA*     5.6     1.2    -      -       -      +
   1848B  ILE*     3.5    45.2    +      -       +      +
   1851B  LEU*     4.4    23.7    -      -       +      +
   1917B  VAL*     3.1    22.1    +      -       -      +
   1918B  SER*     3.7     7.2    -      -       -      +
   1920B  ALA*     1.3    78.4    -      -       -      +
   1922B  ALA*     1.3    62.2    +      -       -      +
   1924B  ILE*     3.5     3.3    +      -       -      +
   1925B  ILE*     3.2    45.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA1922 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1918B  SER      3.0    19.5    +      -       -      +
   1919B  SER*     3.4     7.2    -      -       -      +
   1920B  ALA      3.1     0.2    -      -       -      -
   1921B  ARG*     1.3    77.5    -      -       -      +
   1923B  SER*     1.3    57.6    +      -       -      +
   1925B  ILE*     3.5     7.7    +      -       -      +
   1926B  ASP*     3.0    27.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER1923 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1828B  GLN*     3.0    27.6    +      -       -      -
   1919B  SER*     3.0    16.0    +      -       -      -
   1920B  ALA*     3.6     4.7    -      -       -      -
   1922B  ALA*     1.3    74.8    -      -       -      +
   1924B  ILE*     1.3    62.7    -      -       -      +
   1926B  ASP*     3.5     7.7    +      -       -      +
   1927B  LYS*     3.2    36.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1924 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1828B  GLN*     3.7    20.9    -      -       +      +
   1831B  ALA*     3.4    37.2    -      -       +      -
   1832B  ALA*     3.5    17.0    -      -       -      +
   1835B  LEU*     4.0    13.5    -      -       +      -
   1851B  LEU*     3.8    20.0    -      -       +      -
   1854B  VAL*     5.0     1.8    -      -       +      -
   1855B  TYR*     3.8    26.7    -      -       +      -
   1920B  ALA      2.9    19.6    +      -       -      +
   1921B  ARG      3.9     3.4    -      -       -      +
   1923B  SER*     1.3    72.7    -      -       -      +
   1925B  ILE*     1.3    62.5    +      -       +      +
   1926B  ASP      3.0     1.3    -      -       -      -
   1927B  LYS*     3.1     3.1    +      -       -      -
   1928B  TRP*     2.8    29.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1925 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1835B  LEU*     5.1     2.9    -      -       +      -
   1842B  TYR*     3.4    30.2    -      -       +      -
   1846B  ALA      5.6     4.3    -      -       -      +
   1848B  ILE*     3.8    24.9    -      -       +      -
   1921B  ARG*     3.2    45.8    +      -       +      +
   1922B  ALA*     3.8     6.1    -      -       -      +
   1924B  ILE*     1.3    77.3    -      -       +      +
   1926B  ASP*     1.3    63.1    +      -       -      +
   1928B  TRP*     3.2    17.7    +      -       +      +
   1929B  ARG*     3.0    28.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP1926 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1922B  ALA      3.0    18.6    +      -       -      +
   1923B  SER*     3.5    10.5    -      -       -      +
   1925B  ILE*     1.3    78.4    -      -       -      +
   1927B  LYS*     1.3    61.6    +      -       -      +
   1929B  ARG*     3.2    43.6    +      -       -      +
   1930B  LYS*     3.1    28.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS1927 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1825B  GLU*     3.2    33.9    +      -       -      -
   1828B  GLN*     2.7    36.9    +      -       -      +
   1829B  VAL*     3.6    31.2    -      -       +      +
   1832B  ALA*     3.9    10.5    -      -       +      -
   1923B  SER*     3.2    20.6    +      -       -      +
   1924B  ILE      3.1     6.3    +      -       -      +
   1926B  ASP*     1.3    75.6    -      -       -      +
   1928B  TRP*     1.3    66.0    +      -       -      +
   1930B  LYS*     3.0    35.0    +      -       +      +
   1931B  PHE*     3.6    17.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP1928 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1832B  ALA*     3.6    28.4    -      -       +      +
   1835B  LEU*     3.9    22.0    -      -       +      -
   1836B  GLN*     3.0    31.9    +      -       +      +
   1839B  GLN*     3.3    38.6    -      -       +      -
   1840B  GLY      3.1    15.8    +      -       -      -
   1841B  ASP      4.0     2.9    -      -       -      -
   1842B  TYR*     3.5    48.6    +      +       +      +
   1846B  ALA*     4.0    14.1    -      -       +      -
   1848B  ILE*     3.5    21.8    -      -       +      -
   1924B  ILE      2.8    16.9    +      -       -      +
   1925B  ILE*     3.4    13.5    -      -       +      +
   1926B  ASP      3.2     0.2    -      -       -      -
   1927B  LYS*     1.3    74.7    -      -       -      +
   1929B  ARG*     1.3    65.0    +      -       -      +
   1931B  PHE*     3.1    14.5    +      -       -      +
   1932B  GLN      4.2     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG1929 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1842B  TYR*     3.5    52.2    +      -       +      -
   1925B  ILE*     3.0    13.8    +      -       -      +
   1926B  ASP*     3.2    36.9    +      -       -      +
   1928B  TRP*     1.3    77.4    -      -       -      +
   1930B  LYS*     1.3    67.9    +      -       -      +
   1931B  PHE      3.1     1.0    +      -       -      -
   1932B  GLN*     3.4    21.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS1930 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1926B  ASP*     3.1    39.7    +      -       -      +
   1927B  LYS*     3.0    21.9    +      -       +      +
   1929B  ARG*     1.3    85.6    -      -       +      +
   1931B  PHE*     1.3    65.6    +      -       +      +
   1932B  GLN*     3.3     5.6    +      -       -      +
----------------------------------------------------------
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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