Contacts of the helix formed by residues 150 - 169 (chain D) in PDB entry 4K71


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 TYR 150 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    148D  TYR      3.1     3.2    +      -       -      -
    149D  PHE*     1.3    73.6    -      -       -      +
    151D  ALA*     1.3    66.1    +      -       -      +
    152D  PRO*     3.7    16.6    -      -       +      -
    153D  GLU*     3.1    44.9    +      -       +      +
    154D  LEU      3.1     9.9    +      -       -      -
    192D  SER*     5.3     1.0    +      -       -      +
    196D  GLN*     3.5    41.6    -      -       +      +
    238D  LEU*     5.1     2.4    -      -       -      +
    241D  VAL*     3.4    12.7    -      -       +      +
    242D  HIS*     3.5    27.2    +      +       -      -
    245D  CYS*     3.8    18.4    -      -       +      -
    253D  CYS*     4.1     3.4    -      -       -      -
    257D  ARG*     3.1    50.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 151 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     22D  LEU*     3.7    22.0    -      -       +      -
     25D  ILE*     4.0     9.8    -      -       +      +
    149D  PHE      3.0     8.2    +      -       -      +
    150D  TYR*     1.3    71.5    -      -       -      +
    152D  PRO*     1.4    70.4    -      -       +      +
    154D  LEU*     3.1    17.8    +      -       -      +
    155D  LEU*     3.2    15.8    +      -       -      +
    245D  CYS*     4.3     4.4    -      -       -      -
    250D  LEU*     3.8    35.6    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 152 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     22D  LEU*     4.5     0.4    -      -       +      -
    150D  TYR*     3.4    23.8    -      -       +      -
    151D  ALA*     1.4    93.0    -      -       +      +
    153D  GLU*     1.3    60.5    +      -       -      +
    155D  LEU*     3.3    25.4    +      -       +      +
    156D  PHE*     3.4     9.4    +      -       -      +
    245D  CYS*     3.9     2.9    -      -       -      -
    253D  CYS*     4.2    12.8    -      -       -      -
    254D  ALA*     4.2    19.3    -      -       +      -
    257D  ARG*     3.6    41.5    +      -       +      +
    284D  LEU*     4.9     3.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 153 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    172A  ALA*     5.9     0.3    -      -       -      +
    149D  PHE*     4.5     2.2    -      -       +      -
    150D  TYR*     3.1    34.2    +      -       +      +
    152D  PRO*     1.3    77.3    -      -       -      +
    154D  LEU*     1.3    58.8    +      -       -      +
    156D  PHE*     2.8    24.6    +      -       +      +
    157D  PHE*     3.0    31.3    +      -       +      -
    192D  SER*     2.7    32.0    +      -       -      +
    257D  ARG*     4.3     9.3    -      -       -      +
    288D  HIS*     4.9    14.5    +      -       +      +
    292D  GLU*     4.4    12.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 154 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25D  ILE*     3.9    16.4    -      -       +      -
    139D  LEU*     3.3    28.1    -      -       +      +
    142D  ILE*     3.9    28.7    -      -       +      -
    143D  ALA*     3.9    30.5    -      -       +      +
    149D  PHE*     3.8    36.0    -      -       +      -
    150D  TYR      3.1     7.3    +      -       -      +
    151D  ALA*     3.1    10.3    +      -       -      +
    153D  GLU*     1.3    74.5    -      -       -      +
    155D  LEU*     1.3    55.9    +      -       -      +
    157D  PHE*     3.2    11.2    +      -       +      +
    158D  ALA*     3.0    28.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 155 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     18D  ASN*     4.2    22.4    -      -       +      +
     21D  ALA*     3.3    34.3    -      -       +      -
     22D  LEU*     3.7    31.6    -      -       +      -
     25D  ILE*     4.0    13.9    -      -       +      -
    139D  LEU*     4.8     3.8    -      -       +      -
    151D  ALA      3.2    10.8    +      -       -      +
    152D  PRO*     3.4    15.7    -      -       +      +
    153D  GLU      3.2     0.4    -      -       -      -
    154D  LEU*     1.3    77.9    -      -       -      +
    156D  PHE*     1.3    58.2    +      -       -      +
    158D  ALA*     3.3    20.0    -      -       +      +
    159D  LYS      3.5     4.2    +      -       -      -
    254D  ALA*     5.3     2.2    -      -       +      -
    284D  LEU*     3.9    25.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 156 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    172A  ALA*     3.4    19.1    -      -       +      -
    152D  PRO      3.4     5.5    +      -       -      +
    153D  GLU*     2.8    16.7    +      -       +      +
    155D  LEU*     1.3    76.0    -      -       -      +
    157D  PHE*     1.3    65.5    +      +       +      +
    159D  LYS*     3.0    27.4    +      -       +      +
    160D  ARG*     3.5    38.0    +      -       +      +
    257D  ARG*     6.3     0.7    -      -       -      +
    284D  LEU*     4.2    25.0    -      -       +      +
    285D  GLU*     4.1    23.8    -      -       +      -
    288D  HIS*     3.3    64.4    -      +       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 157 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    172A  ALA*     3.8    22.4    -      -       +      -
    142D  ILE*     5.6     1.6    -      -       +      -
    149D  PHE*     4.0    20.2    -      +       -      -
    153D  GLU*     3.0    39.2    +      -       +      -
    154D  LEU*     3.2    14.6    +      -       +      +
    156D  PHE*     1.3    76.8    -      -       +      +
    158D  ALA*     1.3    63.0    -      -       -      +
    160D  ARG*     2.9    20.3    +      -       -      +
    161D  TYR*     3.0    34.2    +      +       +      -
    185D  LEU*     3.5    30.3    -      -       +      -
    188D  GLU*     3.9    13.7    -      -       +      -
    189D  GLY*     3.5    37.5    -      -       -      -
    192D  SER*     4.4     3.6    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 158 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    135D  LEU*     5.1     4.1    -      -       +      +
    139D  LEU*     4.5    21.7    -      -       +      +
    154D  LEU*     3.0    12.0    +      -       -      +
    155D  LEU*     3.3    16.8    -      -       +      +
    157D  PHE*     1.3    75.2    -      -       -      +
    159D  LYS*     1.3    63.4    +      -       -      +
    161D  TYR*     3.4    10.4    +      -       -      +
    162D  LYS*     3.1    23.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 159 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    155D  LEU      3.5     6.2    +      -       -      +
    156D  PHE*     3.0    26.7    +      -       +      +
    158D  ALA*     1.3    79.3    -      -       -      +
    160D  ARG*     1.3    83.3    +      -       -      +
    162D  LYS*     3.5    10.0    +      -       +      +
    163D  ALA*     3.0    30.3    +      -       -      +
    284D  LEU*     4.5    11.9    -      -       +      -
    285D  GLU*     2.8    40.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 160 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    170A  GLN*     3.3    40.2    +      -       -      +
    171A  ALA      2.8    23.3    +      -       -      +
    172A  ALA*     3.6    18.1    +      -       -      -
    174A  LYS*     3.8    28.5    -      -       -      +
    156D  PHE*     3.5    41.1    +      -       +      +
    157D  PHE*     2.9     8.6    +      -       -      +
    159D  LYS*     1.3    98.2    -      -       +      +
    161D  TYR*     1.3    56.4    +      -       -      +
    163D  ALA*     3.3     4.4    +      -       -      +
    164D  ALA*     2.7    36.0    +      -       -      +
    185D  LEU*     3.9    14.5    -      -       +      +
    288D  HIS*     4.9     1.2    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 161 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    135D  LEU*     4.3    10.3    -      -       +      -
    138D  TYR*     3.3    38.8    -      +       +      -
    142D  ILE*     3.3    35.8    -      -       +      +
    157D  PHE*     3.0    42.6    +      +       +      -
    158D  ALA*     3.8    10.3    -      -       -      +
    160D  ARG*     1.3    74.6    -      -       -      +
    162D  LYS*     1.3    64.7    +      -       -      +
    164D  ALA*     3.1     3.9    +      -       -      -
    165D  PHE*     2.9    34.7    +      +       +      -
    182D  LEU*     3.7    29.2    +      -       +      -
    185D  LEU*     3.5    41.0    +      -       +      +
    186D  ARG*     3.9     5.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 162 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17D  GLU*     5.6     3.8    +      -       -      -
    127D  PHE*     4.2     1.9    -      -       +      -
    131D  GLU*     3.7    19.1    +      -       -      +
    135D  LEU*     3.8    34.6    -      -       +      +
    158D  ALA      3.1    14.7    +      -       -      +
    159D  LYS*     3.6    12.1    -      -       +      +
    161D  TYR*     1.3    76.9    -      -       -      +
    163D  ALA*     1.3    52.6    +      -       -      +
    165D  PHE*     3.3     1.4    +      -       -      +
    166D  THR*     2.7    49.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 163 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    170A  GLN*     3.4    32.2    +      -       -      +
    159D  LYS*     3.0    22.0    +      -       +      +
    160D  ARG*     3.6     4.0    -      -       -      +
    162D  LYS*     1.3    76.4    -      -       -      +
    164D  ALA*     1.3    58.0    +      -       -      +
    166D  THR*     3.3     6.1    +      -       -      -
    167D  GLU*     2.8    32.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 164 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    170A  GLN*     4.5     9.6    -      -       +      -
    160D  ARG      2.7    21.3    +      -       -      +
    161D  TYR*     3.1     6.7    +      -       -      +
    163D  ALA*     1.3    74.2    -      -       -      +
    165D  PHE*     1.3    56.4    +      -       -      +
    167D  GLU*     4.0     1.5    -      -       -      +
    168D  CYS*     3.0    36.0    +      -       -      +
    178D  LEU*     4.3     9.2    -      -       +      -
    181D  LYS*     4.0    33.9    -      -       +      -
    182D  LEU*     4.9     5.8    -      -       +      -
    185D  LEU*     4.9     3.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 165 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    123D  MET*     4.1    13.2    -      -       +      -
    127D  PHE*     3.5    28.9    -      -       +      -
    134D  PHE*     3.5    42.6    -      +       -      -
    135D  LEU*     4.8     3.1    -      -       +      -
    138D  TYR*     3.9    15.0    -      +       -      -
    161D  TYR*     2.9    34.9    +      +       +      +
    164D  ALA*     1.3    74.4    -      -       -      +
    166D  THR*     1.3    65.0    +      -       -      +
    169D  CYS*     3.0    48.6    +      -       -      +
    178D  LEU*     3.8    20.4    -      -       +      -
    182D  LEU*     3.7    39.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 166 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    127D  PHE*     3.5    20.0    -      -       +      -
    131D  GLU*     4.4     3.5    +      -       -      +
    162D  LYS*     2.7    38.8    +      -       -      +
    163D  ALA*     3.6     6.9    -      -       -      -
    165D  PHE*     1.3    73.5    -      -       -      +
    167D  GLU*     1.3    62.9    +      -       -      +
    169D  CYS*     5.0     0.5    -      -       -      +
    170D  GLN*     3.5    28.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 167 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    127A  PHE*     5.6     5.9    -      -       -      -
    128A  HIS*     3.4    40.4    -      -       +      +
    131A  GLU*     5.6     1.4    -      -       -      +
    169A  CYS*     6.0     0.9    -      -       -      +
    170A  GLN*     3.8    18.7    +      -       -      +
    163D  ALA      2.8    20.7    +      -       -      +
    164D  ALA*     4.0     2.7    -      -       -      +
    166D  THR*     1.3    75.7    -      -       -      +
    168D  CYS*     1.3    64.5    +      -       -      +
    170D  GLN*     3.4    23.3    +      -       -      +
    171D  ALA*     3.9     4.5    +      -       -      +
    177D  CYS*     4.4    15.5    -      -       -      -
    181D  LYS*     3.8    18.8    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 168 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    124D  CYS*     5.0     0.2    -      -       -      -
    164D  ALA      3.0    21.1    +      -       -      +
    165D  PHE      4.7     0.2    -      -       -      +
    167D  GLU*     1.3    77.0    -      -       -      +
    169D  CYS*     1.3    60.4    +      -       -      +
    171D  ALA*     3.1    23.8    +      -       -      +
    174D  LYS*     3.7    13.7    -      -       -      +
    177D  CYS*     2.1    64.4    -      -       +      -
    178D  LEU*     3.5    21.1    -      -       +      -
    181D  LYS*     3.6    14.8    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 169 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    124D  CYS*     2.0    58.3    -      -       +      +
    127D  PHE*     4.1    11.7    -      -       +      -
    165D  PHE*     3.0    41.2    +      -       -      +
    166D  THR      5.2     0.7    -      -       -      +
    168D  CYS*     1.3    76.7    -      -       -      +
    170D  GLN*     1.3    57.9    +      -       -      +
    171D  ALA      3.4     0.6    -      -       -      +
    174D  LYS*     4.3    14.4    -      -       -      +
    178D  LEU*     5.0     1.8    -      -       -      -
----------------------------------------------------------
 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