Contacts of the helix formed by residues 88 - 99 (chain F) in PDB entry 5IYB


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 ASP 88 (chain F).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    509A  LEU*     5.7     1.7    -      -       -      +
    512A  ARG*     4.8    11.6    +      -       -      -
     87F  THR*     1.3    80.7    +      -       -      +
     89F  PRO*     1.3    72.0    -      -       -      +
     90F  LEU*     2.8    15.1    +      -       -      +
     91F  LEU*     2.6    43.9    +      -       +      +
     92F  ILE*     3.0    31.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 89 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    392A  GLU*     6.1     0.4    -      -       -      +
    395A  THR*     6.3     2.5    -      -       +      -
    397A  PHE*     5.9     3.1    -      -       +      -
    398A  ASN*     5.9     4.5    -      -       -      +
    509A  LEU*     3.8    25.6    -      -       +      -
     70F  ALA*     3.7    23.1    -      -       -      +
     73F  ILE*     4.4    10.0    -      -       +      +
     74F  ALA*     4.2    16.4    -      -       +      +
     87F  THR      3.5     5.3    -      -       -      +
     88F  ASP*     1.3    94.8    -      -       -      +
     90F  LEU*     1.3    57.7    +      -       -      +
     92F  ILE*     3.6    10.0    +      -       +      +
     93F  ALA*     3.1    26.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 90 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    509A  LEU*     5.1     7.4    -      -       +      +
    512A  ARG*     4.3    12.6    -      -       -      -
    513A  ALA*     3.9    34.5    -      -       +      +
    516A  GLN*     3.1    31.2    -      -       -      +
     66F  LEU*     4.0    16.8    -      -       +      +
     70F  ALA*     3.8    23.7    -      -       +      +
     88F  ASP*     2.8    14.7    +      -       -      +
     89F  PRO*     1.3    76.4    -      -       +      +
     91F  LEU*     1.3    65.8    +      -       -      +
     93F  ALA*     3.3     1.9    +      -       +      -
     94F  MET*     3.0    42.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 91 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     86F  GLU*     3.8    32.7    -      -       +      +
     87F  THR      5.4     0.2    -      -       -      +
     88F  ASP*     2.6    32.8    +      -       +      +
     90F  LEU*     1.3    73.4    -      -       -      +
     92F  ILE*     1.3    56.6    +      -       -      +
     94F  MET*     3.4    18.9    +      -       +      +
     95F  LYS*     3.0    24.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 92 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    397A  PHE*     4.6    15.3    -      -       +      -
     73F  ILE*     3.9    23.3    -      -       +      -
     79F  VAL*     4.1    22.2    -      -       +      -
     81F  VAL*     4.7     8.1    -      -       +      -
     83F  LEU*     4.9    14.8    -      -       +      +
     86F  GLU*     3.8    27.1    -      -       +      +
     87F  THR      4.2    15.7    -      -       -      +
     88F  ASP      3.0    22.0    +      -       -      +
     89F  PRO*     3.8     8.7    -      -       +      +
     90F  LEU      3.3     0.2    -      -       -      -
     91F  LEU*     1.3    74.0    -      -       -      +
     93F  ALA*     1.3    53.9    +      -       -      +
     95F  LYS*     3.0     9.5    +      -       +      +
     96F  GLU*     2.8    33.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 93 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     66F  LEU*     3.6    17.4    -      -       +      +
     69F  ARG*     3.9    23.3    -      -       +      -
     70F  ALA*     4.0    14.4    -      -       +      +
     73F  ILE*     4.2     6.2    -      -       +      +
     89F  PRO      3.1    17.4    +      -       -      +
     90F  LEU*     3.3     5.4    +      -       +      +
     92F  ILE*     1.3    76.8    -      -       -      +
     94F  MET*     1.3    57.1    +      -       -      +
     96F  GLU*     3.4     7.8    +      -       -      +
     97F  LEU*     2.8    28.8    +      -       -      +
    102F  ILE*     3.9     3.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 94 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    516A  GLN*     3.4    33.0    -      -       +      +
    517A  GLU*     3.4    26.9    -      -       +      +
     66F  LEU*     3.8    26.2    -      -       +      -
     90F  LEU*     3.0    32.0    +      -       +      +
     91F  LEU*     3.5    21.1    -      -       +      +
     93F  ALA*     1.3    76.4    -      -       -      +
     95F  LYS*     1.3    61.9    +      -       -      +
     97F  LEU*     3.5     5.5    +      -       -      +
     98F  LYS*     3.3    31.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 95 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     81F  VAL*     4.4    16.4    -      -       +      +
     82F  GLU*     2.9    29.0    +      -       -      +
     84F  GLU*     2.8    36.4    +      -       -      -
     86F  GLU*     3.3    29.2    +      -       +      +
     91F  LEU      3.0    12.4    +      -       -      +
     92F  ILE*     3.0    12.9    +      -       +      +
     94F  MET*     1.3    75.4    -      -       -      +
     96F  GLU*     1.3    62.9    -      -       -      +
     98F  LYS*     3.3    15.1    +      -       +      +
     99F  ALA*     3.2    19.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 96 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69F  ARG*     2.7    43.6    +      -       -      +
     73F  ILE*     4.5     4.8    -      -       -      +
     79F  VAL*     4.0     7.4    -      -       -      +
     80F  MET*     3.1    26.4    +      -       +      +
     81F  VAL*     4.4    15.2    -      -       +      +
     92F  ILE      2.8    19.1    +      -       -      +
     93F  ALA*     3.7     7.0    -      -       -      +
     95F  LYS*     1.3    71.0    -      -       -      +
     97F  LEU*     1.3    60.4    +      -       -      +
     99F  ALA*     3.3     6.0    +      -       -      +
    100F  ARG      3.0    20.8    +      -       -      -
    101F  LYS*     3.1    36.3    +      -       +      +
    102F  ILE*     3.6    16.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 97 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57F  MET*     4.9     5.8    -      -       +      -
     62F  ARG*     3.8    33.9    -      -       +      -
     65F  VAL*     4.6     8.7    -      -       +      -
     66F  LEU*     3.9    17.9    -      -       +      -
     93F  ALA      2.8    18.2    +      -       -      +
     94F  MET*     3.6     7.9    -      -       +      +
     95F  LYS      3.3     0.2    -      -       -      -
     96F  GLU*     1.3    77.2    -      -       -      +
     98F  LYS*     1.3    57.3    +      -       +      +
    100F  ARG*     3.0    24.5    +      -       -      +
    102F  ILE*     3.6    23.3    -      -       +      +
    120F  VAL*     5.8     5.2    -      -       +      -
    125F  ILE*     3.7    31.0    -      -       +      +
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Residues in contact with LYS 98 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     94F  MET*     3.3    19.4    +      -       -      +
     95F  LYS*     3.5    14.8    -      -       +      +
     96F  GLU      3.3     0.2    -      -       -      -
     97F  LEU*     1.3    79.4    -      -       +      +
     99F  ALA*     1.3    60.1    +      -       -      +
    100F  ARG*     3.3     8.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 99 (chain F). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     81F  VAL*     3.6    29.4    -      -       +      -
     95F  LYS      3.2     6.6    +      -       -      +
     96F  GLU      3.5     9.2    -      -       -      +
     98F  LYS*     1.3    76.0    -      -       -      +
    100F  ARG*     1.3    66.4    +      -       -      +
    101F  LYS*     3.1    28.4    +      -       +      +
----------------------------------------------------------
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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