Contacts of the helix formed by residues 93 - 115 (chain B) in PDB entry 1PD3


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 SER 93 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     89B  ILE*     4.1     5.1    -      -       -      +
     90B  THR*     2.6    41.9    +      -       -      -
     92B  ASN*     1.3    79.9    -      -       -      +
     94B  PHE*     1.3    65.1    +      -       -      +
     95B  GLU*     4.0    11.8    -      -       -      +
     96B  GLN*     3.3    11.8    +      -       -      +
     97B  ILE*     3.0    23.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 94 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     82A  GLU*     3.6    40.6    -      -       +      -
     83A  VAL*     5.0     1.3    -      -       -      -
     86A  ARG*     3.4    56.5    -      -       -      +
     92B  ASN      3.7     1.8    +      -       -      -
     93B  SER*     1.3    71.8    -      -       -      +
     95B  GLU*     1.3    62.6    +      -       -      +
     97B  ILE*     3.3    11.3    +      -       +      +
     98B  THR*     2.8    59.5    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 95 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     83A  VAL*     3.0    43.9    -      -       -      +
     86A  ARG*     3.7    24.3    -      -       -      +
     87A  LEU*     4.2    16.1    -      -       -      +
     87B  LEU*     4.6     2.0    -      -       +      -
     89B  ILE*     4.1    27.6    -      -       +      +
     93B  SER*     4.0    11.2    -      -       -      +
     94B  PHE*     1.3    86.8    -      -       -      +
     96B  GLN*     1.3    51.5    +      -       -      +
     98B  THR      3.7     0.2    -      -       -      -
     99B  PHE*     2.8    49.5    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 96 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     84B  ARG*     2.7    44.7    +      -       -      +
     89B  ILE*     4.0     6.5    -      -       +      +
     90B  THR      3.2    23.1    -      -       -      +
     91B  GLU*     3.5    26.1    -      -       -      +
     93B  SER*     3.2     7.8    +      -       -      +
     95B  GLU*     1.3    76.1    -      -       -      +
     97B  ILE*     1.3    67.4    +      -       -      +
     99B  PHE*     3.5     3.6    +      -       -      +
    100B  MET*     3.0    57.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 97 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     91B  GLU      4.6     9.0    -      -       -      +
     92B  ASN*     3.5    29.2    -      -       -      +
     93B  SER      3.0    19.0    +      -       -      +
     94B  PHE*     3.6    10.8    -      -       +      +
     96B  GLN*     1.3    81.8    -      -       -      +
     98B  THR*     1.3    60.2    +      -       -      +
    100B  MET*     3.1    12.0    +      -       +      +
    101B  GLN*     2.9    53.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 98 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     79A  LEU*     3.5    36.0    -      -       +      +
     82A  GLU*     3.9    12.7    +      -       +      +
     83A  VAL*     3.2    24.5    -      -       +      -
     94B  PHE*     2.8    47.2    +      -       -      -
     97B  ILE*     1.3    71.8    -      -       -      +
     99B  PHE*     1.3    64.9    +      -       -      +
    100B  MET      3.1     0.5    +      -       -      -
    101B  GLN*     3.3    13.0    +      -       -      +
    102B  ALA*     3.2    21.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 99 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     80A  ILE*     6.0     1.8    -      -       +      -
     83A  VAL*     3.5    34.2    -      -       +      +
     87A  LEU*     5.7     0.2    -      -       +      -
     99A  PHE*     4.0     4.5    -      +       -      -
     80B  ILE*     3.7    41.3    -      -       +      -
     83B  VAL*     3.7    23.3    -      -       +      -
     84B  ARG*     3.8    34.3    -      -       +      +
     87B  LEU*     3.5    27.8    -      -       +      -
     95B  GLU*     2.8    36.4    +      -       +      +
     96B  GLN*     3.7     6.3    -      -       -      +
     98B  THR*     1.3    72.3    -      -       -      +
    100B  MET*     1.3    63.2    +      -       +      +
    102B  ALA*     3.5     5.9    +      -       +      +
    103B  LEU*     3.1    30.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 100 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     91B  GLU*     4.6     8.1    -      -       +      +
     96B  GLN*     3.0    55.0    +      -       +      +
     97B  ILE*     3.1    10.7    +      -       +      +
     99B  PHE*     1.3    76.5    -      -       +      +
    101B  GLN*     1.4    66.9    +      -       -      +
    103B  LEU*     4.0    11.5    -      -       +      +
    104B  GLN*     3.0    37.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 101 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     79A  LEU*     3.7    30.1    -      -       +      +
     97B  ILE*     2.9    36.7    +      -       +      +
     98B  THR*     3.3     9.3    +      -       -      +
    100B  MET*     1.4    75.4    -      -       +      +
    102B  ALA*     1.3    51.4    +      -       -      +
    104B  GLN*     3.3    11.7    +      -       -      +
    105B  LEU*     2.8    39.4    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 102 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76A  ILE*     4.6     9.5    -      -       +      +
     79A  LEU*     3.8    25.6    -      -       +      +
     80A  ILE*     4.2    20.4    -      -       +      -
     80B  ILE*     5.3     6.5    -      -       +      -
     98B  THR      3.2    16.2    +      -       -      +
     99B  PHE*     3.8     7.6    -      -       +      +
    101B  GLN*     1.3    73.6    -      -       -      +
    103B  LEU*     1.4    59.8    +      -       +      +
    105B  LEU*     3.3     3.8    +      -       -      +
    106B  LEU*     2.9    33.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 103 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     77B  ARG*     3.8    23.5    -      -       +      +
     80B  ILE*     3.7    28.9    -      -       +      -
     81B  GLU*     3.5    39.9    -      -       +      +
     84B  ARG*     5.6     5.6    -      -       +      -
     99B  PHE*     3.1    30.0    +      -       +      +
    100B  MET*     4.1    11.2    -      -       +      +
    102B  ALA*     1.4    74.9    -      -       -      +
    104B  GLN*     1.3    65.3    +      -       +      +
    106B  LEU*     3.4     7.3    +      -       +      +
    107B  LEU*     3.1    34.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 104 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100B  MET*     3.0    30.5    +      -       +      +
    101B  GLN*     3.6    10.0    +      -       -      +
    103B  LEU*     1.3    77.7    -      -       +      +
    105B  LEU*     1.3    62.9    +      -       -      +
    107B  LEU*     3.2     7.7    +      -       +      +
    108B  GLU*     3.0    25.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 105 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     72A  LYS*     4.2    22.7    -      -       +      +
     75A  GLU*     3.6    32.5    -      -       +      -
     76A  ILE*     3.7    18.8    -      -       +      -
     79A  LEU*     4.1    15.7    -      -       +      -
    101B  GLN*     2.8    19.3    +      -       +      +
    102B  ALA      3.3     1.5    +      -       -      +
    104B  GLN*     1.3    70.0    -      -       +      +
    106B  LEU*     1.3    68.8    +      -       -      +
    107B  LEU      3.3     0.2    +      -       -      -
    108B  GLU*     3.4    27.6    +      -       -      +
    109B  VAL*     3.0    25.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 106 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76A  ILE*     3.9    26.4    -      -       +      +
    106A  LEU*     4.7     2.7    -      -       +      -
     73B  PHE*     4.3    22.7    -      -       +      +
     76B  ILE*     3.8    22.9    -      -       +      -
     77B  ARG*     3.8    32.5    -      -       +      -
     80B  ILE*     3.6    31.0    -      -       +      -
    102B  ALA      2.9    19.7    +      -       -      +
    103B  LEU*     3.9     7.6    -      -       +      +
    105B  LEU*     1.3    78.4    -      -       -      +
    107B  LEU*     1.4    57.1    +      -       -      +
    109B  VAL*     3.7     2.4    +      -       +      +
    110B  GLU*     3.2    29.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 107 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     77B  ARG*     3.7    40.8    -      -       -      +
    103B  LEU*     3.1    27.6    +      -       +      +
    104B  GLN*     3.9     7.4    -      -       +      +
    106B  LEU*     1.4    71.8    -      -       -      +
    108B  GLU*     1.3    65.4    +      -       -      +
    110B  GLU*     3.3    11.7    +      -       +      +
    111B  GLN*     3.1    27.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 108 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     72A  LYS*     3.1    35.0    +      -       -      +
    104B  GLN*     3.0    17.6    +      -       -      +
    105B  LEU*     3.7    16.5    -      -       -      +
    107B  LEU*     1.3    77.4    -      -       -      +
    109B  VAL*     1.3    62.7    +      -       -      +
    111B  GLN*     3.2     8.4    +      -       -      +
    112B  GLU*     2.9    32.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 109 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69A  LEU*     3.8    15.0    -      -       +      -
     72A  LYS*     3.7    37.2    -      -       +      -
     73A  PHE*     3.7    29.2    -      -       +      -
     76A  ILE*     4.2    11.4    -      -       +      -
     73B  PHE*     3.7    14.4    -      -       +      -
    105B  LEU*     3.0    23.1    +      -       +      +
    106B  LEU*     3.9     6.1    -      -       +      +
    108B  GLU*     1.3    72.9    -      -       -      +
    110B  GLU*     1.3    58.1    +      -       -      +
    112B  GLU*     3.3     8.6    +      -       -      +
    113B  ILE*     2.9    27.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 110 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     70B  GLY*     3.9     8.7    -      -       -      +
     73B  PHE*     3.6    38.8    -      -       +      +
     74B  GLU*     2.5    36.7    +      -       -      +
     77B  ARG*     3.3    18.9    +      -       -      +
    106B  LEU*     3.2    19.3    +      -       -      +
    107B  LEU*     3.3    14.9    +      -       +      +
    109B  VAL*     1.3    75.3    -      -       -      +
    111B  GLN*     1.3    63.7    +      -       +      +
    113B  ILE*     3.6     3.6    +      -       -      +
    114B  ARG*     3.3    22.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 111 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    107B  LEU*     3.1    18.4    +      -       -      +
    108B  GLU*     3.6     7.0    -      -       -      +
    109B  VAL      3.1     0.4    -      -       -      -
    110B  GLU*     1.3    82.7    -      -       +      +
    112B  GLU*     1.3    58.9    +      -       -      +
    114B  ARG*     2.9    35.9    +      -       -      +
    115B  THR*     2.8    32.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 112 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  TRP*     3.5    28.2    +      -       +      +
     68A  GLN*     5.7     2.1    -      -       -      +
     69A  LEU*     3.8    22.2    +      -       +      +
     72A  LYS*     3.0    36.9    +      -       -      +
    108B  GLU*     2.9    24.2    +      -       +      +
    109B  VAL*     3.5     9.9    -      -       -      +
    111B  GLN*     1.3    72.3    -      -       -      +
    113B  ILE*     1.3    70.5    +      -       -      +
    114B  ARG      3.1     0.2    +      -       -      -
    115B  THR*     3.9     6.5    -      -       -      +
    116B  PHE*     3.2    22.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 113 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  TRP*     4.3    12.1    -      -       +      -
     69A  LEU*     3.9    33.0    -      -       +      -
    113A  ILE*     4.9     2.7    -      -       +      -
     65B  TRP*     5.1     5.9    -      -       +      -
     66B  ARG*     3.8    42.9    +      -       +      +
     69B  LEU*     4.1    22.9    -      -       +      -
     70B  GLY*     5.0     3.1    -      -       -      +
     73B  PHE*     3.9    27.8    -      -       +      -
    109B  VAL      2.9    24.7    +      -       -      +
    110B  GLU      3.6     4.9    +      -       -      +
    111B  GLN      3.3     0.2    -      -       -      -
    112B  GLU*     1.3    76.4    -      -       -      +
    114B  ARG*     1.3    65.7    +      -       -      +
    116B  PHE*     3.8     9.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 114 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     66B  ARG*     4.0    18.6    +      -       -      +
    110B  GLU*     3.3    15.7    +      -       -      +
    111B  GLN*     2.9    46.3    +      -       -      +
    112B  GLU      3.1     0.2    -      -       -      -
    113B  ILE*     1.3    83.9    -      -       +      +
    115B  THR*     1.3    86.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 115 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     66B  ARG*     3.4     4.9    +      -       -      -
    111B  GLN*     2.8    25.6    +      -       +      +
    112B  GLU*     3.9     4.3    -      -       -      +
    114B  ARG*     1.3   108.3    -      -       -      +
    116B  PHE*     1.3    74.0    +      -       -      +
----------------------------------------------------------
 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