Contacts of the helix formed by residues 1861 - 1874 (chain A) in PDB entry 5XJY


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 VAL1861 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1747A  TRP*     3.7    22.0    -      -       +      +
   1748A  SER*     3.8    18.2    -      -       -      +
   1751A  PRO*     4.0     6.7    -      -       +      +
   1813A  PHE*     4.7    10.1    -      -       +      -
   1857A  ALA      3.0     4.3    +      -       -      +
   1858A  VAL*     3.3    20.0    -      -       -      +
   1859A  GLU      3.2     2.8    -      -       -      -
   1860A  GLY*     1.3    73.6    -      -       -      +
   1862A  VAL*     1.3    59.2    +      -       -      +
   1863A  PHE      3.1     2.2    -      -       -      -
   1864A  PHE*     2.8    28.2    +      -       +      +
   1865A  LEU      3.0     9.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL1862 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1703A  PHE*     6.6     0.2    -      -       -      -
   1747A  TRP*     4.2    26.6    -      -       +      +
   1751A  PRO*     5.5     0.9    -      -       -      -
   1859A  GLU      4.4     6.3    +      -       -      +
   1860A  GLY*     3.2     1.6    -      -       -      -
   1861A  VAL*     1.3    78.4    -      -       -      +
   1863A  PHE*     1.3    55.9    +      -       -      +
   1865A  LEU*     3.2    11.8    +      -       +      +
   1866A  ILE*     2.9    26.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE1863 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1860A  GLY*     3.3    14.1    +      -       -      +
   1861A  VAL      3.1     0.2    -      -       -      -
   1862A  VAL*     1.3    77.7    -      -       -      +
   1864A  PHE*     1.3    57.7    +      -       -      +
   1866A  ILE*     3.2     9.2    +      -       -      +
   1867A  THR*     2.9    24.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with PHE1864 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1748A  SER      5.8     0.4    -      -       -      +
   1751A  PRO*     4.0    12.9    -      -       +      +
   1752A  LEU*     5.0    15.4    -      -       +      +
   1755A  PRO*     5.2     1.7    -      -       -      +
   1813A  PHE*     4.5    18.6    -      -       +      -
   1860A  GLY      4.2     0.8    +      -       -      -
   1861A  VAL*     2.8    19.5    +      -       +      +
   1863A  PHE*     1.3    76.1    -      -       -      +
   1865A  LEU*     1.3    58.3    +      -       -      +
   1867A  THR*     3.1    11.4    +      -       -      -
   1868A  VAL*     3.0    24.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1865 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1703A  PHE*     5.2    13.5    -      -       +      -
   1751A  PRO*     3.6    26.8    -      -       +      +
   1861A  VAL      3.0     5.7    +      -       -      -
   1862A  VAL*     3.2    16.1    +      -       +      +
   1864A  PHE*     1.3    77.0    -      -       -      +
   1866A  ILE*     1.3    57.5    +      -       -      +
   1868A  VAL*     3.0    19.7    +      -       -      +
   1869A  LEU*     3.0    17.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1866 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1862A  VAL      2.9    12.9    +      -       -      +
   1863A  PHE*     3.2    12.3    +      -       -      +
   1865A  LEU*     1.3    76.8    -      -       -      +
   1867A  THR*     1.3    48.9    -      -       -      +
   1869A  LEU*     4.6     3.4    -      -       -      +
   1870A  ILE*     2.7    41.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR1867 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1755A  PRO*     4.4     5.5    -      -       -      +
   1863A  PHE      2.9    13.6    +      -       -      -
   1864A  PHE*     3.1    14.6    +      -       -      -
   1866A  ILE*     1.3    76.5    -      -       -      +
   1868A  VAL*     1.3    58.6    +      -       -      +
   1870A  ILE*     4.3     3.1    -      -       -      +
   1871A  GLN*     2.9    29.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL1868 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1699A  TRP*     5.4     6.1    -      -       +      -
   1751A  PRO      4.2     4.5    -      -       -      +
   1754A  TYR*     4.2    20.2    -      -       +      -
   1755A  PRO*     3.7    28.5    -      -       +      -
   1758A  PHE*     3.7     8.1    -      -       +      -
   1864A  PHE      3.0    12.5    +      -       -      +
   1865A  LEU*     3.0    11.0    +      -       -      +
   1867A  THR*     1.3    74.5    -      -       -      +
   1869A  LEU*     1.3    61.5    +      -       -      +
   1871A  GLN*     2.9    17.8    +      -       -      +
   1872A  TYR*     3.0    10.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU1869 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1696A  VAL*     5.4    15.0    -      -       +      -
   1699A  TRP*     4.6    24.4    -      -       +      +
   1865A  LEU      3.0    13.8    +      -       -      +
   1866A  ILE*     4.8     2.7    -      -       -      +
   1868A  VAL*     1.3    73.2    -      -       -      +
   1870A  ILE*     1.3    61.5    +      -       -      +
   1872A  TYR*     3.2     9.0    +      -       -      +
   1873A  ARG*     2.9    26.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1870 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1866A  ILE*     2.7    24.4    +      -       +      +
   1867A  THR*     4.3     4.3    -      -       -      +
   1869A  LEU*     1.3    77.8    -      -       -      +
   1871A  GLN*     1.3    60.9    +      -       -      +
   1873A  ARG*     3.3    17.0    +      -       -      +
   1874A  PHE*     3.7    10.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN1871 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1755A  PRO*     4.7     9.4    -      -       +      -
   1758A  PHE*     3.2    23.8    -      -       +      -
   1867A  THR      2.9    23.0    +      -       -      +
   1868A  VAL*     2.9     8.7    +      -       -      +
   1870A  ILE*     1.3    77.1    -      -       -      +
   1872A  TYR*     1.3    56.1    +      -       -      +
   1874A  PHE*     4.1    11.8    +      -       -      +
   1875A  PHE      4.5     4.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR1872 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1689A  PHE*     6.0     1.9    -      -       -      -
   1695A  PRO*     5.5     9.7    -      -       +      +
   1699A  TRP*     3.6    27.6    -      -       +      +
   1758A  PHE*     3.5    20.8    -      -       +      -
   1868A  VAL      3.0     8.1    +      -       -      +
   1869A  LEU      3.2     7.4    +      -       -      +
   1870A  ILE      3.2     0.2    -      -       -      -
   1871A  GLN*     1.3    75.5    -      -       -      +
   1873A  ARG*     1.3    58.8    +      -       -      +
   1874A  PHE      3.1     2.7    -      -       -      -
   1875A  PHE*     3.0    21.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG1873 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1695A  PRO*     5.8     6.1    -      -       +      -
   1869A  LEU      2.9    15.7    +      -       -      +
   1870A  ILE*     3.3    11.3    +      -       -      +
   1872A  TYR*     1.3    76.2    -      -       -      +
   1874A  PHE*     1.3    57.5    +      -       -      +
   1875A  PHE*     3.2     2.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE1874 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1870A  ILE      3.7     8.8    +      -       -      +
   1871A  GLN*     4.4     9.0    -      -       -      +
   1872A  TYR      3.1     1.4    -      -       -      -
   1873A  ARG*     1.3    76.2    -      -       -      +
   1875A  PHE*     1.3    68.2    +      -       -      +
----------------------------------------------------------
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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