Contacts of the strand formed by residues 855 - 863 (chain B) in PDB entry 6AHU


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 ALA 855 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    712B  THR*     4.3     6.7    -      -       -      +
    804B  CYS*     3.3    15.9    -      -       +      +
    806B  LEU*     5.1     8.3    -      -       +      -
    852B  PHE*     4.1    16.6    +      -       +      +
    854B  ARG*     1.3    78.3    -      -       -      +
    856B  LEU*     1.3    66.5    +      -       -      +
    986B  SER*     3.6    23.0    +      -       -      -
    987B  LEU*     3.7    33.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 856 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    664B  PRO*     3.7    27.8    -      -       +      -
    708B  TRP*     4.7    19.7    -      -       +      -
    712B  THR*     4.3    20.2    -      -       +      -
    803B  LEU*     5.3     7.2    -      -       +      -
    804B  CYS      2.8    14.7    +      -       -      +
    805B  VAL*     3.3    31.5    -      -       +      +
    806B  LEU      3.7     1.9    +      -       -      -
    855B  ALA*     1.3    80.0    -      -       -      +
    857B  VAL*     1.3    59.8    +      -       -      +
    984B  PHE*     3.6    38.3    -      -       +      -
    985B  VAL      3.3    16.6    -      -       -      +
    986B  SER*     4.4     2.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 857 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    805B  VAL*     5.5     0.4    -      -       -      -
    806B  LEU*     3.8    28.9    -      -       +      +
    812B  LEU*     4.2    21.8    -      -       +      -
    815B  LEU*     4.9     6.1    -      -       +      -
    856B  LEU*     1.3    77.1    -      -       -      +
    858B  TRP*     1.3    80.9    +      -       +      +
    859B  VAL*     5.2     3.1    -      -       +      -
    984B  PHE*     4.3     2.9    -      -       -      -
    985B  VAL*     2.8    40.5    +      -       +      +
    986B  SER*     4.6     1.1    -      -       -      +
    987B  LEU*     3.7    33.7    -      -       +      -
    990B  LEU*     5.2     5.4    -      -       +      -
   1022B  ILE*     5.3     6.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP 858 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    607B  THR*     4.8     8.3    -      -       +      -
    655B  ARG*     3.7    20.4    -      -       +      -
    657B  PRO*     5.3    17.8    -      -       +      +
    805B  VAL*     5.4    11.0    -      -       +      +
    806B  LEU      5.4     3.7    +      -       -      -
    807B  ARG*     5.7     6.8    -      -       +      +
    812B  LEU*     5.0    10.9    -      -       +      +
    856B  LEU      4.4     0.2    +      -       -      -
    857B  VAL*     1.3    89.5    -      -       +      +
    859B  VAL*     1.3    67.9    +      -       -      +
    860B  SER*     3.4    29.6    -      -       -      -
    982B  LEU*     4.4     6.7    -      -       +      -
    983B  GLY      3.4    10.8    -      -       -      +
    984B  PHE*     3.6    30.3    -      +       +      -
   1022B  ILE*     4.2     9.8    -      -       +      +
   1023B  GLU*     3.8    27.6    -      -       +      -
   1024B  VAL*     3.7    22.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 859 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    857B  VAL*     3.9     1.1    +      -       +      +
    858B  TRP*     1.3    80.7    -      -       -      +
    860B  SER*     1.3    75.9    +      -       -      +
    861B  LEU*     3.8    12.0    -      -       +      +
    982B  LEU*     3.7     4.1    -      -       -      +
    983B  GLY      2.9    31.4    +      -       -      +
    985B  VAL*     3.7    32.8    -      -       +      -
    990B  LEU*     4.5     6.1    -      -       +      -
   1020B  ILE*     3.7    33.2    -      -       +      -
   1021B  ALA      4.7     0.4    -      -       -      +
   1022B  ILE*     3.7    25.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 860 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    655B  ARG*     3.3    35.0    -      -       -      +
    858B  TRP*     3.4    19.2    -      -       -      -
    859B  VAL*     1.3    75.5    -      -       -      +
    861B  LEU*     1.3    58.9    +      -       -      +
    981B  ALA      4.3     2.9    -      -       -      -
    982B  LEU*     3.4    16.4    -      -       -      +
   1019B  ARG      4.1     0.2    -      -       -      +
   1021B  ALA*     3.0    39.5    +      -       -      +
   1022B  ILE*     5.2     0.4    -      -       -      +
   1023B  GLU*     5.5     7.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 861 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    859B  VAL*     3.8    16.4    -      -       +      +
    860B  SER*     1.3    76.2    -      -       -      +
    862B  SER*     1.3    60.9    +      -       -      +
    863B  LEU*     6.4     0.2    -      -       +      -
    875B  ILE*     3.8    29.4    -      -       +      -
    966B  PHE      5.8     0.4    -      -       -      +
    967B  VAL*     4.6     5.6    -      -       +      -
    980B  GLU*     3.1    11.9    +      -       -      +
    981B  ALA*     3.4    53.1    +      -       +      +
    982B  LEU*     4.0     2.2    -      -       -      +
    983B  GLY      4.5     3.4    -      -       -      +
   1005B  VAL      5.5     2.0    -      -       -      +
   1007B  LEU*     3.8    10.3    -      -       +      -
   1018B  ALA*     3.7    22.0    -      -       +      -
   1019B  ARG      3.4    13.0    -      -       -      +
   1020B  ILE*     4.4    15.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 862 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    655B  ARG*     5.7     0.7    -      -       -      -
    861B  LEU*     1.3    74.1    -      -       -      +
    863B  LEU*     1.3    66.8    +      -       -      +
    976B  VAL*     5.0     3.1    -      -       -      +
    980B  GLU*     2.6    31.2    +      -       -      -
   1018B  ALA*     3.3     3.1    -      -       -      -
   1019B  ARG*     2.7    49.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 863 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    861B  LEU*     4.3     0.8    -      -       +      -
    862B  SER*     1.3    81.8    +      -       -      +
    864B  LEU*     1.3    64.2    +      -       -      +
    865B  SER      4.8     2.5    -      -       -      +
    867B  GLY*     3.6    35.0    -      -       -      -
    868B  SER      3.9     1.3    -      -       -      +
    869B  PRO*     3.7    25.6    -      -       +      -
    978B  CYS*     3.7    19.5    -      -       -      +
    979B  GLY*     3.1    22.3    +      -       -      +
    981B  ALA*     5.8     2.7    -      -       +      +
   1007B  LEU*     3.8    22.7    -      -       +      -
   1016B  ARG*     4.6    10.8    -      -       +      +
   1017B  PHE      3.4    20.0    -      -       -      +
   1018B  ALA*     3.7    15.7    -      -       +      +
   1019B  ARG*     5.7     0.2    -      -       -      -
----------------------------------------------------------
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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