Contacts of the helix formed by residues 89 - 102 (chain D) in PDB entry 1V8P


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 THR 89 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48B  ARG*     6.0     2.2    -      -       -      +
     41C  ASN*     4.4     4.0    -      -       -      -
     44C  TRP*     3.3    32.1    -      -       +      -
     83D  ALA*     4.1     0.9    -      -       -      -
     88D  LEU*     1.3    77.6    -      -       -      +
     90D  PHE*     1.3    64.2    +      -       -      +
     91D  TYR*     3.4    10.7    +      -       +      +
     92D  ASP*     3.0    33.3    +      -       -      +
     93D  ALA*     2.9    22.0    +      -       -      +
   1004D   CL      4.6    11.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 90 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36C  ILE*     4.3     3.6    -      -       +      -
     37C  TYR*     3.6    42.6    -      +       +      -
     40C  GLY*     3.7    25.6    -      -       -      -
     41C  ASN*     3.6    25.0    -      -       +      +
     44C  TRP*     3.8    11.2    -      -       +      -
     76D  LEU*     3.8    30.7    -      -       +      -
     79D  VAL*     3.5    32.5    -      -       +      +
     80D  LEU*     3.8    21.3    -      -       +      -
     83D  ALA*     4.2     3.4    -      -       -      -
     89D  THR*     1.3    73.6    -      -       -      +
     91D  TYR*     1.3    62.4    +      +       -      +
     93D  ALA*     4.2     5.2    -      -       -      -
     94D  SER*     2.9    40.9    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 91 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34C  LEU*     4.9     3.2    -      -       +      +
     37C  TYR*     3.5    28.5    -      +       +      -
     38C  GLU*     3.6    28.5    -      -       +      +
     41C  ASN*     3.5    36.3    +      -       +      +
     91C  TYR*     5.2    15.0    -      +       -      -
     34D  LEU*     3.4    30.5    -      -       +      +
     38D  GLU*     3.7    18.4    -      -       -      +
     89D  THR*     3.1     8.6    +      -       -      +
     90D  PHE*     1.3    81.0    -      -       -      +
     92D  ASP*     1.3    66.8    +      -       -      +
     94D  SER*     3.2    11.3    +      -       -      -
     95D  TYR*     3.3    18.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 92 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48B  ARG*     4.5     9.0    +      -       -      -
      8D  ASP*     5.1     1.9    -      -       -      +
     38D  GLU*     5.2     2.9    -      -       -      +
     88D  LEU*     4.3    14.4    -      -       +      +
     89D  THR*     3.0    23.4    +      -       -      +
     91D  TYR*     1.3    80.7    -      -       -      +
     93D  ALA*     1.3    64.1    +      -       -      +
     95D  TYR*     3.0    24.6    +      -       -      +
     96D  ALA      3.2     8.8    +      -       -      -
    110D  ASP*     3.6    18.8    -      -       -      +
    112D  GLU*     5.6     0.5    -      -       -      +
    113D  LEU*     3.8    34.8    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 93 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     79D  VAL*     3.8    10.1    -      -       +      +
     82D  VAL*     4.2     6.3    -      -       +      +
     83D  ALA*     3.5    35.0    -      -       +      +
     88D  LEU*     3.9    13.4    -      -       +      +
     89D  THR      2.9    19.8    +      -       -      +
     90D  PHE      3.7     4.0    -      -       -      +
     92D  ASP*     1.3    77.4    -      -       -      +
     94D  SER*     1.3    55.8    +      -       -      +
     96D  ALA*     3.7     2.2    -      -       -      +
     97D  TYR*     2.9    32.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 94 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37C  TYR*     3.7    34.2    -      -       -      -
     32D  LEU*     4.1     9.4    -      -       -      -
     34D  LEU*     4.8     0.9    -      -       -      -
     74D  PRO*     4.4     5.4    -      -       -      -
     79D  VAL*     3.4    20.9    -      -       -      +
     90D  PHE*     2.9    24.6    +      -       -      -
     91D  TYR      3.4     8.9    +      -       -      -
     92D  ASP      3.1     0.2    -      -       -      -
     93D  ALA*     1.3    76.0    -      -       -      +
     95D  TYR*     1.3    62.3    +      -       -      +
     97D  TYR*     3.9     1.0    -      -       -      +
     98D  VAL*     3.1    30.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 95 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6D  LEU*     3.6    21.0    -      -       +      +
      7D  VAL      4.0     3.1    -      -       -      -
      8D  ASP*     3.6    38.4    -      -       +      -
     32D  LEU*     3.5    25.4    -      -       +      -
     34D  LEU*     3.9     9.3    -      -       +      -
     35D  THR*     2.9    33.5    +      -       -      +
     38D  GLU*     2.5    32.0    +      -       -      -
     91D  TYR      3.3    25.6    -      -       -      -
     92D  ASP*     3.0    16.0    +      -       -      +
     94D  SER*     1.3    75.1    -      -       -      +
     96D  ALA*     1.3    65.0    +      -       -      +
     99D  ALA*     2.9    28.2    +      -       -      +
    106D  LEU*     4.4    14.1    -      -       +      -
    113D  LEU*     4.5     6.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 96 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     82D  VAL*     4.5     3.4    -      -       +      -
     86D  ARG*     4.2    14.8    -      -       -      +
     88D  LEU*     4.1    18.6    -      -       +      -
     92D  ASP      3.2     8.0    +      -       -      +
     93D  ALA      3.7     6.7    -      -       -      +
     95D  TYR*     1.3    78.7    -      -       -      +
     97D  TYR*     1.3    64.4    +      -       -      +
     99D  ALA*     3.7     0.5    -      -       -      +
    100D  GLU*     3.0    31.5    +      -       -      +
    106D  LEU*     4.7     0.4    -      -       -      +
    113D  LEU*     4.2     2.1    -      -       +      +
    117D  THR*     3.4    31.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 97 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     74D  PRO*     3.7    20.0    -      -       +      -
     75D  PRO*     3.9    22.0    -      -       +      +
     78D  GLU*     3.5    38.5    +      -       +      +
     79D  VAL*     4.2    12.3    -      -       +      -
     81D  ARG*     4.8     6.7    -      -       -      -
     82D  VAL*     4.0    27.7    -      -       +      +
     86D  ARG*     6.2     0.9    -      -       -      +
     93D  ALA      2.9    18.1    +      -       -      +
     94D  SER      3.9     2.5    -      -       -      +
     96D  ALA*     1.3    77.2    -      -       -      +
     98D  VAL*     1.3    60.6    +      -       +      +
    100D  GLU*     4.3     2.0    -      -       -      +
    101D  SER*     2.8    58.7    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 98 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6D  LEU*     3.9    14.1    -      -       +      -
     32D  LEU*     4.1    10.5    -      -       +      -
     71D  LEU*     3.7    31.0    -      -       +      -
     72D  GLU      4.9     3.4    -      -       -      +
     74D  PRO*     3.2    42.0    -      -       +      -
     94D  SER      3.1    11.1    +      -       -      +
     97D  TYR*     1.3    80.1    -      -       +      +
     99D  ALA*     1.3    59.9    +      -       -      +
    101D  SER*     3.8     5.6    -      -       -      -
    102D  SER*     2.8    42.9    +      -       -      +
    104D  LEU*     5.3     0.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 99 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6D  LEU*     4.0     8.9    -      -       +      +
     95D  TYR      2.9    20.1    +      -       -      +
     96D  ALA      3.7     2.5    -      -       -      +
     98D  VAL*     1.3    78.0    -      -       -      +
    100D  GLU*     1.3    62.9    +      -       -      +
    103D  GLY      3.0     3.5    +      -       -      -
    104D  LEU*     2.7    48.2    +      -       -      +
    106D  LEU*     3.7    29.8    -      -       +      +
    117D  THR*     4.5     4.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 100 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     86D  ARG*     2.8    45.2    +      -       -      -
     96D  ALA      3.0    17.9    +      -       -      +
     97D  TYR*     4.3     2.2    -      -       -      +
     99D  ALA*     1.3    76.2    -      -       -      +
    101D  SER*     1.3    61.4    +      -       -      +
    103D  GLY*     3.0    14.1    +      -       -      -
    104D  LEU      5.1     0.7    -      -       -      -
    117D  THR*     3.5     7.1    -      -       +      -
    118D  LYS*     2.9    63.3    +      -       +      +
    128F  VAL*     4.2    23.7    -      -       +      +
    132F  ALA*     4.0     5.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 101 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     97D  TYR*     2.8    53.9    +      -       -      -
     98D  VAL*     3.6     5.0    +      -       -      -
    100D  GLU*     1.3    76.4    -      -       -      +
    102D  SER*     1.3    61.0    +      -       -      +
    103D  GLY      3.3     0.7    -      -       -      -
    132F  ALA*     3.1    20.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 102 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     71D  LEU*     5.3     2.0    -      -       -      +
     98D  VAL*     2.8    33.0    +      -       -      +
    101D  SER*     1.3    80.5    +      -       -      +
    103D  GLY*     1.3    66.3    +      -       -      +
    104D  LEU*     3.2    25.0    +      -       -      +
    132F  ALA*     4.3     4.2    -      -       -      +
----------------------------------------------------------
 Back to top of page


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