Contacts of the helix formed by residues 202 - 217 (chain 0) in PDB entry 1O1F


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 202 (chain 0).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2010  VAL*     1.3    84.6    -      -       +      +
    2030  THR*     1.3    61.1    +      -       -      +
    2040  ALA*     3.8    12.3    +      -       -      +
    2050  GLU*     2.9    39.3    +      -       -      +
    2060  ARG*     3.1    11.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 203 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     620  ARG*     3.7    30.3    +      -       +      +
    2020  THR*     1.3    74.6    -      -       -      +
    2040  ALA*     1.3    62.6    +      -       +      +
    2060  ARG*     3.7    11.7    -      -       -      +
    2070  GLU*     3.3    27.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 204 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2020  THR*     3.2    10.6    +      -       -      +
    2030  THR*     1.3    80.2    -      -       +      +
    2050  GLU*     1.3    64.8    +      -       -      +
    2070  GLU*     4.6     5.6    -      -       -      +
    2080  ILE*     3.6    11.5    -      -       -      +
    2430  PRO*     3.5    32.3    -      -       +      +
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Residues in contact with GLU 205 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1990  SER      4.3     4.5    -      -       -      +
    2000  PHE*     3.4    34.0    -      -       +      -
    2010  VAL*     3.5    17.6    -      -       -      +
    2020  THR*     2.9    37.2    +      -       -      +
    2040  ALA*     1.3    86.5    -      -       -      +
    2060  ARG*     1.3    68.0    +      -       -      +
    2070  GLU      3.4     0.2    -      -       -      -
    2080  ILE*     3.1    22.1    -      -       -      +
    2090  VAL      3.7     2.8    +      -       -      -
    2420  LEU*     3.7    23.9    -      -       +      +
    2430  PRO*     4.4     5.5    -      -       -      +
    2440  ASP*     5.1     2.8    -      -       -      +
    2460  GLN*     5.6     1.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 206 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     620  ARG*     4.4    13.9    -      -       -      +
    1830  ARG*     6.1     2.6    -      -       -      +
    1860  THR*     4.6    11.2    -      -       -      +
    1870  ASP*     3.4    32.2    +      -       -      -
    1900  MET*     3.7    26.3    -      -       +      +
    2000  PHE*     4.2     4.1    -      -       +      +
    2010  VAL      5.9     0.4    -      -       -      +
    2020  THR      3.1     7.7    +      -       -      +
    2030  THR*     3.7    15.3    -      -       -      +
    2050  GLU*     1.3    75.7    -      -       -      +
    2070  GLU*     1.3    67.4    +      -       -      +
    2090  VAL*     3.0    29.6    +      -       -      +
    2100  ARG*     5.1     0.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 207 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     590  GLN*     3.8    13.0    -      -       -      +
     620  ARG*     2.9    39.5    +      -       -      +
    2030  THR      3.3    14.5    +      -       -      +
    2040  ALA*     5.1     4.2    -      -       -      -
    2050  GLU      3.4     0.4    -      -       -      -
    2060  ARG*     1.3    82.9    -      -       -      +
    2080  ILE*     1.3    57.8    +      -       -      +
    2100  ARG*     3.1    39.2    +      -       -      +
    2110  ASP*     3.8     2.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 208 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2000  PHE*     5.4     3.1    -      -       +      -
    2040  ALA      3.6    14.6    +      -       -      +
    2050  GLU*     3.1    20.4    -      -       -      +
    2070  GLU*     1.3    76.4    -      -       +      +
    2090  VAL*     1.4    58.2    +      -       -      +
    2100  ARG      3.1     2.2    -      -       -      -
    2110  ASP*     3.0    11.4    +      -       +      +
    2120  ILE*     2.9    32.5    +      -       +      +
    2400  TYR*     3.2    41.5    -      -       +      +
    2420  LEU*     4.4    13.7    -      -       +      -
    2430  PRO*     3.9    28.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 209 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1860  THR*     3.6    22.7    -      -       +      +
    1890  LEU*     3.5    22.2    -      -       +      +
    1900  MET*     3.2    48.0    -      -       +      +
    1930  LEU*     4.1    13.2    -      -       +      -
    2000  PHE*     5.1     5.4    -      -       +      -
    2050  GLU      3.7     2.7    +      -       -      +
    2060  ARG*     3.0    23.9    +      -       -      +
    2080  ILE*     1.4    79.3    -      -       -      +
    2100  ARG*     1.3    58.4    +      -       -      +
    2120  ILE*     3.2    12.1    +      -       -      +
    2130  LYS*     3.0    24.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 210 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     160  LEU*     6.1     2.8    -      -       -      +
    1860  THR*     3.7    31.2    -      -       +      +
    2060  ARG*     5.1     0.9    -      -       -      +
    2070  GLU*     3.1    25.2    +      -       -      +
    2090  VAL*     1.3    82.0    -      -       +      +
    2110  ASP*     1.3    61.9    +      -       -      +
    2130  LYS*     3.4    13.5    -      -       -      +
    2140  GLU*     2.8    67.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 211 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2070  GLU      3.8     1.0    +      -       -      +
    2080  ILE*     3.0    20.3    +      -       +      +
    2100  ARG*     1.3    83.0    +      -       -      +
    2120  ILE*     1.3    60.7    +      -       -      +
    2140  GLU*     4.0    13.1    -      -       -      +
    2150  LYS*     2.7    62.9    +      -       -      +
    2400  TYR*     2.9    22.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 212 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1890  LEU*     3.7    17.0    -      -       +      -
    1930  LEU*     4.2    24.2    -      -       +      -
    2000  PHE*     5.1     7.6    -      -       +      -
    2080  ILE*     2.9    19.9    +      -       +      +
    2090  VAL*     3.2    12.5    +      -       -      +
    2110  ASP*     1.3    75.5    -      -       -      +
    2130  LYS*     1.4    60.0    +      -       -      +
    2150  LYS      3.2     1.0    +      -       -      -
    2160  LEU*     2.9    42.2    +      -       +      +
    2170  CYS*     3.7     2.4    +      -       -      -
    2400  TYR*     3.9    40.4    -      -       +      -
    2420  LEU*     5.2     1.6    -      -       +      -
    2480  ILE*     4.3    15.5    -      -       +      -
    2500  ILE*     4.5    15.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 213 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1570  ASP*     5.8     0.6    +      -       -      -
    1820  GLY*     2.8    24.6    +      -       -      +
    1850  LEU      4.1     3.1    -      -       -      -
    1860  THR*     2.7    41.3    +      -       -      +
    1890  LEU*     3.6    18.6    -      -       +      -
    2090  VAL      3.0     8.1    +      -       -      +
    2100  ARG*     3.4    20.2    -      -       -      +
    2120  ILE*     1.4    73.8    -      -       -      +
    2140  GLU*     1.3    76.9    +      -       -      +
    2170  CYS*     3.0    31.1    +      -       -      +
    2570  CYS*     4.2    13.5    -      -       -      -
    3030  THR*     5.1     1.4    +      -       -      -
    3060  TYR*     3.7    32.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 214 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2100  ARG*     2.8    56.0    +      -       -      +
    2110  ASP*     4.2    10.4    -      -       -      +
    2120  ILE      3.3     0.2    -      -       -      -
    2130  LYS*     1.3    95.5    +      -       -      +
    2150  LYS*     1.3    63.2    +      -       +      +
    2170  CYS      4.3     6.1    +      -       -      +
    3060  TYR*     5.6     4.0    -      -       -      -
    3070  PRO*     5.7     1.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 215 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2110  ASP*     2.7    52.8    +      -       -      +
    2120  ILE*     4.1     1.1    -      -       -      +
    2140  GLU*     1.3    78.1    -      -       +      +
    2160  LEU*     1.3    73.6    +      -       +      +
    2170  CYS      3.8     0.7    -      -       -      +
    2180  TYR*     4.8     7.1    -      -       -      -
    2400  TYR*     4.1    15.1    +      -       +      -
    2540  ARG*     5.4     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 216 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2120  ILE*     2.9    26.4    +      -       +      +
    2150  LYS*     1.3    86.0    -      -       +      +
    2170  CYS*     1.3    61.8    +      -       -      +
    2180  TYR*     3.3     6.0    -      -       -      -
    2380  LYS*     3.8    46.7    -      -       +      +
    2390  SER      5.8     0.9    -      -       -      +
    2400  TYR*     3.9    31.9    -      -       +      +
    2500  ILE*     4.6    11.7    -      -       +      -
    2540  ARG*     2.9    43.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 217 (chain 0). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1890  LEU*     4.6     7.6    -      -       -      -
    2120  ILE*     3.7     3.1    +      -       -      -
    2130  LYS*     3.0    36.3    +      -       -      +
    2140  GLU      4.6     4.5    -      -       -      +
    2150  LYS      3.8     0.7    -      -       -      +
    2160  LEU*     1.3    72.0    -      -       -      +
    2180  TYR*     1.3    72.3    -      -       -      +
    2500  ILE*     6.2     0.4    -      -       -      -
    2530  GLU      4.7     0.2    -      -       -      -
    2540  ARG*     2.9    26.9    -      -       -      +
    2570  CYS*     4.2    19.3    -      -       -      -
    2580  PRO*     4.1     3.4    -      -       +      -
    3060  TYR*     4.0    21.9    -      -       +      -
    3070  PRO*     3.4    18.0    -      -       -      +
----------------------------------------------------------
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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