Contacts of the helix formed by residues 183 - 197 (chain B) in PDB entry 1RYF


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 GLY 183 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174B  LEU*     5.6     0.7    -      -       -      +
    175B  GLU      3.8    14.9    -      -       -      +
    176B  CYS*     3.7     5.0    -      -       -      +
    181B  GLN      3.3     1.4    +      -       -      -
    182B  ARG*     1.3    75.3    -      -       -      +
    184B  LEU*     1.3    63.5    +      -       -      +
    185B  LYS      3.6     1.3    -      -       -      -
    186B  THR*     3.5    20.8    +      -       -      -
    187B  VAL*     3.5    16.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 184 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19B  LEU*     3.2    45.3    -      -       +      +
     22B  SER*     3.5    26.5    -      -       -      +
     23B  TYR*     3.6    28.9    -      -       +      +
    176B  CYS*     4.1     8.1    -      -       -      -
    177B  SER      4.5     1.6    -      -       -      +
    178B  ALA*     4.5     8.1    -      -       -      -
    181B  GLN*     3.3    35.9    +      -       +      +
    182B  ARG      3.1     2.4    -      -       -      -
    183B  GLY*     1.3    74.1    -      -       -      +
    185B  LYS*     1.3    69.3    +      -       +      +
    186B  THR      3.3     0.5    +      -       -      -
    187B  VAL*     3.3    12.4    +      -       -      +
    188B  PHE*     3.3    20.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 185 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23B  TYR*     4.1    29.1    +      -       +      -
     26B  ASN*     3.8    21.7    +      -       -      +
    181B  GLN*     4.8     3.5    +      -       -      +
    183B  GLY      3.6     0.4    -      -       -      -
    184B  LEU*     1.3    77.5    -      -       +      +
    186B  THR*     1.3    58.2    +      -       -      +
    188B  PHE*     3.1     5.7    +      -       -      +
    189B  ASP*     3.0    38.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 186 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174B  LEU*     3.8    25.4    -      -       +      -
    183B  GLY*     3.5    16.3    +      -       -      -
    184B  LEU      3.2     0.8    -      -       -      -
    185B  LYS*     1.3    74.6    -      -       -      +
    187B  VAL*     1.3    68.2    +      -       -      +
    189B  ASP*     4.3     9.1    +      -       +      -
    190B  GLU*     2.8    37.3    +      -       +      +
    193B  ARG*     5.9     1.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 187 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19B  LEU*     4.9     2.7    -      -       +      -
     98B  LEU*     3.9    30.8    -      -       +      +
    130B  ILE*     4.8     2.4    -      -       +      +
    132B  VAL*     4.0    22.7    -      -       +      -
    174B  LEU*     3.7    22.8    -      -       +      +
    176B  CYS*     4.0    24.9    -      -       +      -
    183B  GLY      3.5    14.5    +      -       -      +
    184B  LEU      3.4     9.6    -      -       -      +
    186B  THR*     1.3    78.1    -      -       -      +
    188B  PHE*     1.3    68.8    +      -       +      +
    190B  GLU*     3.9     1.9    -      -       -      +
    191B  ALA*     3.0    25.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 188 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6B  CYS*     5.3     0.4    -      -       -      -
     19B  LEU*     3.9    16.4    -      -       +      -
     20B  LEU*     3.9    18.6    -      -       +      -
     23B  TYR*     3.4    58.6    -      +       +      +
     53B  LEU*     3.9    10.0    -      -       +      +
     55B  LEU*     3.6    33.4    -      -       +      -
     98B  LEU*     3.8    16.6    -      -       +      -
    184B  LEU*     3.3    28.5    -      -       +      -
    185B  LYS      3.1     3.5    +      -       -      +
    187B  VAL*     1.3    82.6    -      -       +      +
    189B  ASP*     1.3    66.8    +      -       -      +
    190B  GLU      3.2     1.3    -      -       -      -
    191B  ALA*     3.3     7.4    +      -       +      +
    192B  ILE*     3.0    30.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 189 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23B  TYR*     4.8     6.2    +      -       -      -
     44B  VAL*     4.9     3.1    -      -       -      +
     45B  MET      4.8     1.9    -      -       -      +
     46B  VAL*     3.5    30.6    -      -       +      +
    185B  LYS*     3.0    30.6    +      -       -      +
    186B  THR*     3.9     7.9    +      -       +      +
    188B  PHE*     1.3    75.3    -      -       -      +
    190B  GLU*     1.3    58.4    +      -       +      +
    192B  ILE*     3.3     3.5    +      -       -      +
    193B  ARG*     2.9    50.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 190 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130B  ILE*     4.1     7.2    -      -       +      +
    172B  LYS*     4.1    34.5    +      -       +      +
    174B  LEU*     3.7    22.9    -      -       +      -
    186B  THR*     2.8    31.2    +      -       +      +
    187B  VAL      4.0     0.2    -      -       -      +
    189B  ASP*     1.3    72.9    -      -       -      +
    191B  ALA*     1.3    61.7    +      -       -      +
    193B  ARG*     3.0    41.5    +      -       -      +
    194B  ALA*     2.9    30.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 191 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6B  CYS*     4.7     5.8    -      -       +      -
     53B  LEU*     5.5     2.7    -      -       +      -
     96B  VAL*     3.9    18.6    -      -       +      +
     98B  LEU*     4.1    22.2    -      -       +      -
    130B  ILE*     4.0    11.8    -      -       -      +
    187B  VAL      3.0    18.6    +      -       -      +
    188B  PHE*     3.3    10.5    +      -       +      +
    190B  GLU*     1.3    78.5    -      -       -      +
    192B  ILE*     1.3    64.2    +      -       +      +
    194B  ALA*     3.4     9.0    +      -       -      +
    195B  VAL*     3.4    17.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 192 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4B  ILE*     4.0    14.6    -      -       +      -
     44B  VAL*     3.5    32.5    -      -       +      -
     46B  VAL*     3.7    21.8    -      -       +      -
     51B  VAL*     3.9    18.2    -      -       +      -
     53B  LEU*     4.1    28.5    -      -       +      -
    188B  PHE      3.0    19.5    +      -       -      +
    189B  ASP      3.5     6.3    -      -       -      +
    191B  ALA*     1.3    75.9    -      -       -      +
    193B  ARG*     1.3    57.3    +      -       -      +
    195B  VAL*     2.9     6.8    +      -       -      +
    196B  LEU*     2.9    50.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 193 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     46B  VAL*     4.0    12.9    -      -       +      +
     47B  ASP*     2.8    42.5    +      -       -      +
    186B  THR*     5.9     1.8    -      -       -      +
    189B  ASP*     2.9    35.9    +      -       -      +
    190B  GLU*     3.0    38.7    +      -       -      +
    192B  ILE*     1.3    72.5    -      -       -      +
    194B  ALA*     1.3    57.1    +      -       -      +
    196B  LEU*     4.4     6.5    -      -       +      +
    197B  CYS*     2.9    42.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 194 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96B  VAL*     4.5     1.6    -      -       +      -
    128B  PRO*     3.9    25.1    -      -       +      +
    130B  ILE*     4.3     5.2    -      -       +      -
    171B  VAL*     3.9    27.8    -      -       +      -
    190B  GLU      2.9    16.1    +      -       -      +
    191B  ALA      3.6     7.9    -      -       -      +
    192B  ILE      3.2     0.2    -      -       -      -
    193B  ARG*     1.3    77.0    -      -       -      +
    195B  VAL*     1.3    60.0    +      -       -      +
    197B  CYS      4.4     4.0    -      -       -      -
    198B  PRO*     4.0    19.6    -      -       -      +
    199B  PRO*     5.2     2.0    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 195 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4B  ILE*     4.1    22.7    -      -       +      -
     95B  ASP*     3.6    44.0    -      -       +      +
     96B  VAL*     3.7    15.7    -      -       +      -
    128B  PRO*     5.2     0.7    -      -       -      -
    191B  ALA      3.4    15.9    -      -       -      +
    192B  ILE      2.9     5.3    +      -       -      +
    194B  ALA*     1.3    79.8    -      -       -      +
    196B  LEU*     1.3    67.4    +      -       +      +
    197B  CYS      3.3     1.5    +      -       -      -
    198B  PRO*     3.6    12.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 196 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2B  GLN*     3.7    32.3    -      -       +      +
      4B  ILE*     3.9    18.6    -      -       +      -
     46B  VAL*     4.5     6.7    -      -       +      +
     47B  ASP*     5.9     2.2    -      -       +      +
     49B  LYS*     3.3    48.7    +      -       +      +
     51B  VAL*     4.2     4.0    -      -       +      -
    192B  ILE*     2.9    38.3    +      -       +      +
    193B  ARG*     4.4     3.4    -      -       -      +
    195B  VAL*     1.3    80.6    -      -       +      +
    197B  CYS*     1.3    67.2    +      -       -      +
    198B  PRO*     3.6     5.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 197 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     47B  ASP*     5.6     3.8    -      -       -      -
    193B  ARG*     2.9    27.5    +      -       +      +
    194B  ALA*     4.2     3.8    -      -       -      +
    196B  LEU*     1.3    89.5    -      -       -      +
    198B  PRO*     1.3    66.8    -      -       -      +
    199B  PRO*     3.8     3.6    -      -       -      +
----------------------------------------------------------
 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