Contacts of the helix formed by residues 683 - 687 (chain D) in PDB entry 5LS6


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 LYS 683 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    113D  TRP*     4.5     5.9    -      -       +      -
    613D  HIS*     5.6     0.6    -      -       -      +
    614D  LEU*     2.7    44.4    +      -       +      +
    616D  LEU*     5.4     6.7    -      -       +      -
    626D  ILE*     3.0    30.0    -      -       +      +
    682D  ASN*     1.3    73.9    -      -       -      +
    684D  ILE*     1.3    62.7    +      -       -      +
    685D  ARG      3.1     1.0    +      -       -      -
    686D  PHE*     3.3    18.8    +      -       +      -
    568F  SER*     3.7    36.3    -      -       -      +
    581F  VAL*     5.4     9.9    -      -       -      +
    582F  ASP*     6.1     1.0    -      -       -      +
    586F  GLU*     4.2    24.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 684 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    614D  LEU*     3.5    25.9    -      -       +      +
    626D  ILE*     4.3     5.6    -      -       +      +
    638D  ILE*     4.1    11.2    -      -       +      -
    639D  SER*     4.2     9.0    -      -       -      -
    640D  GLU      3.8     2.0    -      -       -      +
    641D  TYR*     3.7    33.0    -      -       +      +
    682D  ASN*     3.1    30.4    +      -       -      +
    683D  LYS*     1.3    71.7    -      -       -      +
    685D  ARG*     1.3    55.4    +      -       -      +
    686D  PHE      2.7    18.1    +      -       -      -
    687D  ALA*     2.8    25.7    +      -       +      +
    710D  ILE*     4.2    25.1    -      -       +      -
    722D  LEU*     4.1    22.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 685 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    110D  MET*     4.6     0.8    -      -       -      +
    111D  TYR      4.0     7.5    +      -       -      -
    113D  TRP*     3.1    60.4    -      -       -      +
    641D  TYR*     3.9    22.4    +      -       +      +
    665D  PHE*     4.3     7.9    -      -       +      -
    677D  ALA*     2.5    56.5    +      -       +      +
    678D  THR*     2.8    17.8    +      -       -      +
    681D  GLY*     4.5     0.2    -      -       -      -
    682D  ASN*     3.0    25.2    +      -       -      +
    684D  ILE*     1.3    77.9    -      -       -      +
    686D  PHE*     1.3    72.7    +      -       +      +
    687D  ALA      3.3    10.9    +      -       -      +
    726D  TYR*     4.7     0.5    +      -       -      -
    809D  74D      3.2    52.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 686 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    110D  MET*     4.0    26.5    -      -       +      -
    113D  TRP*     3.5    37.9    -      +       -      -
    616D  LEU*     4.2    17.0    -      -       +      -
    624D  TRP*     3.8    13.0    -      -       +      +
    625D  GLY*     3.4    16.0    -      -       -      +
    626D  ILE*     3.2    35.0    +      -       +      -
    683D  LYS*     3.3    24.9    -      -       +      +
    684D  ILE      2.7     4.6    +      -       -      -
    685D  ARG*     1.3    92.6    -      -       +      +
    687D  ALA*     1.3    60.1    +      -       -      -
    688D  ASN*     3.4     2.4    +      -       -      -
    809D  74D      3.2    42.8    -      +       -      +
    568F  SER*     5.3     1.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 687 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    626D  ILE*     3.4     8.9    -      -       +      +
    684D  ILE*     2.8    26.5    +      -       +      +
    685D  ARG      3.3     5.6    -      -       -      +
    686D  PHE*     1.3    71.2    -      -       -      +
    688D  ASN*     1.3    53.8    +      -       -      +
    710D  ILE*     5.9     1.3    -      -       +      -
    722D  LEU*     3.5    24.2    -      -       +      +
    724D  PHE*     3.6    29.9    -      -       +      -
    726D  TYR*     2.7    27.2    +      -       -      -
    809D  74D      4.1     1.0    -      -       -      +
----------------------------------------------------------
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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