Contacts of the helix formed by residues 64 - 81 (chain B) in PDB entry 2UZ8


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 64 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63B  SER*     1.3    85.4    -      -       -      +
     65B  ALA*     1.3    65.6    +      -       -      +
     66B  GLU*     3.7     7.6    +      -       -      +
     67B  GLU*     3.2    22.1    +      -       +      +
     68B  LYS*     2.9    29.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 65 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64B  THR*     1.3    74.0    -      -       -      +
     66B  GLU*     1.3    62.7    +      -       +      +
     68B  LYS*     3.7    11.2    +      -       -      +
     69B  ALA*     3.2    22.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 66 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    169A  LEU*     4.4    17.1    -      -       +      +
     64B  THR*     3.2     7.4    +      -       -      +
     65B  ALA*     1.3    79.3    -      -       +      +
     67B  GLU*     1.3    60.6    +      -       -      +
     69B  ALA*     3.4     8.0    +      -       -      +
     70B  MSE      3.1    27.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 67 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     59B  TYR      4.5     1.9    -      -       -      +
     62B  GLY*     3.4    10.8    -      -       -      -
     63B  SER*     3.1    31.6    +      -       -      +
     64B  THR*     3.2    21.0    +      -       -      +
     66B  GLU*     1.3    72.9    -      -       -      +
     68B  LYS*     1.3    61.1    +      -       -      +
     70B  MSE      3.2     6.5    +      -       -      +
     71B  VAL*     2.9    28.8    +      -       -      +
    109B  THR*     4.0    20.2    +      -       -      +
    111B  TYR*     4.6     7.1    +      -       -      +
    112B  ASN*     2.7    46.5    +      -       -      +
    114B  THR*     4.4     8.1    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 68 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61B  LEU*     3.3    25.6    -      -       +      +
     62B  GLY*     3.5    19.7    -      -       -      +
     63B  SER      3.6    17.1    +      -       -      -
     64B  THR      2.9    20.7    +      -       -      +
     65B  ALA*     4.0     7.8    -      -       -      +
     67B  GLU*     1.3    74.8    -      -       -      +
     69B  ALA*     1.3    56.5    +      -       -      +
     71B  VAL*     3.4     2.9    +      -       -      +
     72B  GLN*     3.0    37.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 69 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65B  ALA      3.2    11.7    +      -       -      +
     66B  GLU*     3.4    12.1    -      -       -      +
     68B  LYS*     1.3    75.4    -      -       -      +
     70B  MSE      1.3    60.8    +      -       +      +
     72B  GLN*     3.5    16.0    +      -       -      +
     73B  GLN*     3.0    27.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MSE 70 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    168A  ARG      4.1    15.7    -      -       -      +
    169A  LEU*     4.4    18.4    -      -       +      -
     66B  GLU*     3.1    17.9    +      -       +      +
     67B  GLU*     3.2     9.4    +      -       -      +
     69B  ALA*     1.3    73.1    -      -       +      +
     71B  VAL*     1.3    66.4    +      -       -      +
     73B  GLN*     3.2    36.3    +      -       -      +
     74B  TRP*     3.0    38.1    +      -       +      +
    101B  TYR*     3.2    26.2    -      -       -      +
    109B  THR*     3.7    29.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 71 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60B  LEU      4.2     8.7    -      -       -      +
     61B  LEU*     3.5    38.8    -      -       +      +
     62B  GLY*     4.1     1.1    -      -       -      +
     67B  GLU*     2.9    18.4    +      -       +      +
     68B  LYS      3.6     2.9    -      -       -      +
     70B  MSE      1.3    74.6    -      -       -      +
     72B  GLN*     1.3    64.6    +      -       +      +
     74B  TRP*     3.2     3.1    +      -       -      +
     75B  LEU*     2.9    45.6    +      -       +      +
    109B  THR*     3.9    10.5    -      -       +      +
    114B  THR*     3.8    29.4    -      -       +      +
    115B  LEU*     4.8     0.7    -      -       +      -
    116B  ALA*     4.3     8.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 72 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     68B  LYS*     3.0    20.0    +      -       +      +
     69B  ALA*     3.5    17.4    -      -       -      +
     71B  VAL*     1.3    76.2    -      -       +      +
     73B  GLN*     1.3    58.7    +      -       -      +
     75B  LEU*     3.4    10.3    +      -       +      +
     76B  GLU*     3.0    31.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 73 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    168A  ARG*     4.9    12.0    +      -       -      +
     69B  ALA      3.0    15.0    +      -       -      +
     70B  MSE      3.2    43.9    -      -       -      +
     72B  GLN*     1.3    75.1    -      -       -      +
     74B  TRP*     1.3    77.0    +      -       +      +
     76B  GLU*     3.4    10.4    +      -       -      +
     77B  TYR*     2.9    26.9    +      -       +      +
    101B  TYR*     5.3     0.8    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 74 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    168A  ARG*     4.0    20.9    -      -       -      -
     70B  MSE      3.0    43.3    +      -       +      +
     73B  GLN*     1.3    92.2    -      -       +      +
     75B  LEU*     1.3    60.1    +      -       -      +
     77B  TYR*     3.5    55.6    -      +       +      +
     78B  ARG*     3.0    27.2    +      -       -      +
     98B  LEU*     3.8    26.5    -      -       +      -
    101B  TYR*     3.4    34.5    +      +       +      -
    108B  LEU*     3.7    30.1    +      -       +      +
    109B  THR*     4.2     4.7    -      -       +      -
    116B  ALA*     3.6    27.6    -      -       +      +
    120B  LEU*     4.5     3.5    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 75 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45B  THR*     3.6    32.8    -      -       +      +
     49B  ALA*     5.3     5.6    -      -       +      -
     61B  LEU*     5.3     2.5    -      -       +      -
     71B  VAL*     2.9    33.9    +      -       +      +
     72B  GLN*     3.8     9.0    -      -       +      +
     74B  TRP*     1.3    76.0    -      -       -      +
     76B  GLU*     1.3    62.7    +      -       -      +
     78B  ARG*     3.2    15.5    +      -       -      +
     79B  VAL*     3.2    14.7    +      -       -      +
    115B  LEU*     4.0    26.7    -      -       +      -
    116B  ALA*     4.0    18.4    -      -       -      +
    119B  LEU*     3.9    27.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 76 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45B  THR*     5.8     0.4    -      -       -      -
     72B  GLN      3.0    18.0    +      -       -      +
     73B  GLN*     3.8     7.4    -      -       -      +
     75B  LEU*     1.3    73.2    -      -       -      +
     77B  TYR*     1.3    59.5    +      -       -      +
     79B  VAL*     3.4     8.8    +      -       +      -
     80B  THR*     2.6    55.4    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 77 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    168A  ARG*     5.9     2.9    -      -       -      -
     73B  GLN*     2.9    18.6    +      -       +      +
     74B  TRP*     3.5    47.1    -      +       +      +
     75B  LEU      3.2     0.4    -      -       -      -
     76B  GLU*     1.3    74.2    -      -       -      +
     78B  ARG*     1.3    62.6    +      -       -      +
     80B  THR*     3.7     6.1    -      -       -      -
     81B  GLN*     2.8    64.7    +      -       +      +
     82B  VAL*     3.4    22.9    +      -       +      -
     94B  LEU*     3.3    30.9    +      -       +      +
     98B  LEU*     4.1    16.1    +      -       -      +
    120B  LEU*     3.8    16.6    -      -       +      -
    124B  LEU*     5.8     1.7    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 78 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6B  GLU*     2.4    45.1    +      -       -      -
     44B  LEU*     3.6    20.2    -      -       +      +
     45B  THR*     5.1     0.2    -      -       +      -
     74B  TRP      3.0    14.6    +      -       -      +
     75B  LEU*     3.4    12.1    -      -       -      +
     77B  TYR*     1.3    79.5    -      -       -      +
     79B  VAL*     1.3    58.3    +      -       +      +
     82B  VAL*     3.4    16.7    -      -       -      +
     83B  ASP*     2.8    65.3    +      -       -      -
    116B  ALA      6.1     0.2    -      -       -      +
    119B  LEU*     2.9    41.7    +      -       +      +
    120B  LEU*     4.6     9.6    -      -       +      +
    123B  GLY*     3.6    22.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 79 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44B  LEU*     4.0    18.2    -      -       +      +
     45B  THR*     3.6    31.2    -      -       +      +
     75B  LEU      3.6    11.0    -      -       -      +
     76B  GLU*     3.6    14.8    -      -       +      +
     78B  ARG*     1.3    77.5    -      -       +      +
     80B  THR*     1.3    64.2    +      -       +      +
     83B  ASP*     3.6    33.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 80 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76B  GLU*     2.6    43.7    +      -       +      +
     77B  TYR*     3.7     1.6    -      -       -      -
     79B  VAL*     1.3    87.4    -      -       +      +
     81B  GLN*     1.3    78.4    +      -       -      +
     82B  VAL      3.8     0.2    -      -       -      -
     83B  ASP      4.0     8.4    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 81 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     77B  TYR*     2.8    48.6    +      -       +      +
     80B  THR*     1.3    93.3    +      -       -      +
     82B  VAL*     1.3    63.6    +      -       -      +
     83B  ASP      4.5     0.8    -      -       -      +
     90B  ASP*     5.0     5.4    -      -       -      +
     91B  ILE*     6.0     0.3    -      -       -      +
     94B  LEU*     3.9    33.2    -      -       +      +
----------------------------------------------------------
 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