Contacts of the helix formed by residues 85 - 100 (chain I) in PDB entry 1UW9


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 85 (chain I).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34I  VAL*     4.4     1.5    -      -       -      +
     83I  CYS*     3.4    12.3    -      -       -      -
     84I  ARG*     1.3    79.8    -      -       -      +
     86I  PRO*     1.3    68.8    -      -       -      +
     87I  MET*     3.0    23.7    +      -       -      +
     88I  GLN*     3.0    46.1    +      -       -      +
     89I  VAL      3.6     0.9    +      -       -      -
     91I  ARG*     4.0    12.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 86 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27I  ALA      5.5     0.4    -      -       -      +
     30I  VAL*     3.7    21.8    -      -       +      +
     31I  ASP*     3.5    26.9    -      -       -      +
     34I  VAL*     4.0    19.7    -      -       +      -
     84I  ARG      3.7     7.9    -      -       -      +
     85I  ASP*     1.3    89.0    -      -       -      +
     87I  MET*     1.3    64.7    +      -       +      +
     89I  VAL*     3.1     7.8    +      -       +      +
     90I  LEU*     3.0    30.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 87 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     85I  ASP*     3.0    15.5    +      -       -      +
     86I  PRO*     1.3    82.4    -      -       +      +
     88I  GLN*     1.3    57.2    +      -       -      +
     90I  LEU*     3.3    27.5    +      -       +      +
     91I  ARG*     2.9    57.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 88 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     80I  MET*     3.6    29.2    -      -       +      +
     83I  CYS*     4.2    15.9    -      -       -      +
     84I  ARG      5.5     0.4    -      -       -      +
     85I  ASP*     3.0    32.9    +      -       +      +
     87I  MET*     1.3    76.4    -      -       -      +
     89I  VAL*     1.3    64.4    +      -       -      +
     91I  ARG*     3.5    25.0    +      -       -      +
     92I  GLU*     3.1    20.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 89 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30I  VAL*     3.7    28.5    -      -       +      -
     33I  ILE*     5.5     0.7    -      -       +      -
     34I  VAL*     5.1     2.5    -      -       +      -
     40I  PRO*     3.7    32.5    -      -       +      -
     42I  LEU*     4.8     1.3    -      -       +      +
     80I  MET*     4.0    12.3    -      -       -      -
     83I  CYS*     3.9    15.3    -      -       -      -
     85I  ASP      4.0     2.2    -      -       -      +
     86I  PRO*     3.1    10.5    +      -       +      +
     88I  GLN*     1.3    72.3    -      -       -      +
     90I  LEU*     1.3    60.7    +      -       -      +
     92I  GLU*     3.1     4.3    +      -       -      +
     93I  ILE*     2.9    30.0    +      -       +      +
    107I  LEU*     3.8    30.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 90 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23I  ASP      5.7     0.9    -      -       -      +
     26I  ILE*     4.4    11.9    -      -       +      -
     27I  ALA*     4.5    23.1    -      -       +      +
     30I  VAL*     4.1    23.6    -      -       +      -
     86I  PRO*     3.0    19.0    +      -       +      +
     87I  MET*     3.7    37.2    -      -       +      +
     89I  VAL*     1.3    74.1    -      -       -      +
     91I  ARG*     1.3    61.6    +      -       +      +
     93I  ILE*     3.3    17.4    +      -       +      +
     94I  VAL*     3.1    27.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 91 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     85I  ASP*     4.0     9.1    +      -       -      -
     87I  MET*     2.9    51.9    +      -       +      +
     88I  GLN*     3.7    34.4    -      -       +      +
     90I  LEU*     1.3    77.8    -      -       +      +
     92I  GLU*     1.3    59.3    +      -       +      +
     94I  VAL*     3.4    10.0    +      -       +      +
     95I  ALA*     2.9    27.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 92 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42I  LEU*     3.4    15.8    -      -       +      +
     76I  TRP*     2.8    30.4    +      -       +      +
     77I  LYS*     3.0    28.7    +      -       -      +
     80I  MET*     3.8    26.2    -      -       +      -
     88I  GLN*     3.1    16.5    +      -       +      +
     89I  VAL      3.1    10.2    +      -       -      +
     91I  ARG*     1.3    74.3    -      -       -      +
     93I  ILE*     1.3    62.0    +      -       -      +
     95I  ALA*     3.7     6.1    -      -       -      +
     96I  CYS*     2.8    32.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 93 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26I  ILE*     4.5    12.3    -      -       +      -
     30I  VAL*     4.8     0.2    -      -       +      -
     42I  LEU*     3.7    26.2    -      -       +      -
     89I  VAL*     2.9    30.9    +      -       +      +
     90I  LEU*     3.3    28.2    +      -       +      +
     92I  GLU*     1.3    75.8    -      -       -      +
     94I  VAL*     1.3    63.4    +      -       +      +
     96I  CYS*     3.8     1.0    -      -       -      +
     97I  THR*     2.8    37.4    +      -       +      +
    107I  LEU*     4.5    15.0    -      -       +      -
    123I  VAL*     4.3    26.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 94 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     90I  LEU      3.1    15.0    +      -       -      +
     91I  ARG*     3.6    11.4    -      -       -      +
     92I  GLU      3.3     0.2    -      -       -      -
     93I  ILE*     1.3    78.1    -      -       +      +
     95I  ALA*     1.3    62.8    +      -       -      +
     97I  THR*     3.1     8.0    +      -       -      -
     98I  LYS*     3.0    34.0    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 95 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76I  TRP*     3.7    16.8    -      -       +      -
     77I  LYS*     4.8     5.2    -      -       -      +
     91I  ARG      2.9    16.6    +      -       -      +
     92I  GLU*     3.8    13.0    -      -       -      +
     94I  VAL*     1.3    78.1    -      -       -      +
     96I  CYS*     1.3    62.8    +      -       -      +
     98I  LYS*     3.5     7.7    +      -       -      +
     99I  ALA*     3.1    23.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 96 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42I  LEU*     4.1     8.7    -      -       +      -
     44I  PHE*     4.2    12.1    -      -       -      -
     76I  TRP*     3.6    47.3    -      -       +      -
     92I  GLU      2.8    20.8    +      -       -      +
     93I  ILE*     3.8     3.4    -      -       -      +
     95I  ALA*     1.3    73.8    -      -       -      +
     97I  THR*     1.3    58.0    +      -       -      +
     99I  ALA*     3.2     3.8    +      -       -      +
    100I  PHE*     2.9    29.5    +      -       -      +
    105I  VAL*     3.8    30.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 97 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93I  ILE*     2.8    31.3    +      -       +      +
     94I  VAL*     3.1    12.1    +      -       -      -
     96I  CYS*     1.3    71.4    -      -       -      +
     98I  LYS*     1.3    59.6    +      -       -      +
    100I  PHE      4.2     5.2    -      -       -      -
    101I  PRO*     3.1    32.2    -      -       -      +
    105I  VAL*     4.1    13.0    -      -       +      -
    123I  VAL*     5.2     1.6    -      -       +      +
    124I  GLN*     3.2    42.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 98 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     94I  VAL*     3.0    27.5    +      -       +      +
     95I  ALA*     3.6     8.5    -      -       -      +
     97I  THR*     1.3    77.8    +      -       -      +
     99I  ALA*     1.3    62.7    +      -       -      +
    101I  PRO*     3.4    13.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 99 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76I  TRP*     3.7    25.8    -      -       +      -
     95I  ALA      3.1    17.4    +      -       -      +
     96I  CYS      3.8     1.6    -      -       -      +
     98I  LYS*     1.3    76.7    -      -       -      +
    100I  PHE*     1.3    71.1    +      -       +      +
    101I  PRO*     3.4     6.0    -      -       -      +
    140P  VAL*     3.9    23.9    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 100 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44I  PHE*     3.5    47.8    -      +       +      -
     76I  TRP*     3.9    13.2    -      +       -      -
     96I  CYS*     2.9    14.3    +      -       -      +
     97I  THR*     3.2     5.2    -      -       -      +
     99I  ALA*     1.3    87.8    -      -       +      +
    101I  PRO*     1.3    61.1    -      -       -      +
    102I  ASP      3.2     4.0    +      -       -      -
    103I  ALA*     3.3    21.7    +      -       +      +
    105I  VAL*     4.6     1.9    -      -       +      +
    124I  GLN*     2.9    19.4    +      -       -      -
      3P  VAL*     4.4     2.0    -      -       +      -
      5P  THR*     3.6    28.3    -      -       -      -
      6P  PRO*     4.0     5.2    -      -       +      -
      7P  VAL*     4.5    13.5    -      -       +      -
    140P  VAL*     3.7    31.2    -      -       +      -
----------------------------------------------------------
 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