Contacts of the helix formed by residues 196 - 212 (chain C) in PDB entry 1DXO


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 PRO 196 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    194C  HIS      3.9     6.1    -      -       -      +
    195C  THR*     1.3    91.6    -      -       +      +
    197C  ALA*     1.3    67.8    +      -       -      +
    198C  ASP*     3.1    19.7    -      -       -      +
    199C  ALA*     2.9    20.2    +      -       +      +
    200C  ARG*     3.0    11.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 197 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    195C  THR      3.7     1.2    +      -       -      -
    196C  PRO*     1.3    72.3    -      -       -      +
    198C  ASP*     1.3    59.5    +      -       -      +
    200C  ARG*     3.5    35.1    +      -       -      +
    201C  ILE*     3.1    31.9    +      -       +      +
    301C  FAD      4.9     1.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 198 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    196C  PRO*     3.1    23.7    -      -       -      +
    197C  ALA*     1.3    72.9    -      -       -      +
    199C  ALA*     1.3    74.4    +      -       -      +
    201C  ILE*     3.3    21.2    +      -       -      +
    202C  GLN*     3.3    18.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 199 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    195C  THR*     3.3    17.9    -      -       +      -
    196C  PRO*     2.9    19.7    +      -       +      +
    198C  ASP*     1.3    80.4    +      -       -      +
    200C  ARG*     1.3    59.0    +      -       -      +
    202C  GLN*     2.7    30.7    +      -       -      +
    203C  ILE*     2.9    16.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 200 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17C  PHE*     3.7     6.3    -      -       +      -
    192C  ILE*     4.3    11.9    +      -       +      -
    195C  THR*     2.8    34.9    +      -       +      +
    196C  PRO*     3.0    11.5    +      -       -      +
    197C  ALA*     3.5    36.0    -      -       -      +
    199C  ALA*     1.3    76.1    -      -       -      +
    201C  ILE*     1.3    61.5    +      -       -      +
    203C  ILE*     3.2    14.8    +      -       -      +
    204C  LEU*     3.1    25.1    +      -       -      +
    301C  FAD      3.3    72.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 201 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    197C  ALA*     3.1    19.1    -      -       +      +
    198C  ASP*     3.3    14.1    +      -       -      +
    199C  ALA      3.1     1.0    -      -       -      -
    200C  ARG*     1.3    77.4    -      -       -      +
    202C  GLN*     1.3    69.2    +      -       -      +
    204C  LEU*     3.6    13.0    +      -       +      +
    205C  GLU*     3.2    32.8    +      -       +      +
    301C  FAD      4.6    11.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 202 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198C  ASP*     3.4    18.0    +      -       -      +
    199C  ALA*     2.7    18.2    +      -       -      +
    201C  ILE*     1.3    84.4    +      -       -      +
    203C  ILE*     1.3    54.3    +      -       +      +
    204C  LEU      3.2     0.2    -      -       -      -
    205C  GLU*     3.0    14.7    +      -       -      +
    206C  GLY*     2.6    34.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 203 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17C  PHE*     3.7    20.6    -      -       +      -
     21C  MET*     4.5     4.0    -      -       +      -
    187C  GLN*     5.2     3.8    +      -       -      +
    189C  THR*     3.8    30.1    -      -       +      -
    190C  TYR      6.0     1.1    -      -       -      +
    192C  ILE*     4.3    14.4    -      -       +      -
    195C  THR*     4.1    28.3    -      -       +      +
    199C  ALA*     2.9    15.4    +      -       +      +
    200C  ARG*     3.2    11.2    +      -       -      +
    202C  GLN*     1.3    77.2    -      -       +      +
    204C  LEU*     1.3    61.1    +      -       -      +
    206C  GLY*     3.3     2.0    +      -       -      +
    207C  TRP*     3.0    24.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 204 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17C  PHE*     3.8    18.2    -      -       +      -
     20C  ALA*     3.7    30.1    -      -       +      +
     21C  MET*     4.0     7.2    -      -       -      +
     24C  ALA*     3.9    14.5    -      -       +      +
    200C  ARG      3.1    15.8    +      -       -      +
    201C  ILE*     3.6    14.1    -      -       +      +
    202C  GLN      3.2     0.2    -      -       -      -
    203C  ILE*     1.3    77.9    -      -       -      +
    205C  GLU*     1.3    66.9    +      -       -      +
    207C  TRP*     3.3     4.8    +      -       -      +
    208C  LYS*     3.0    31.7    +      -       +      +
    301C  FAD      3.3    39.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 205 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201C  ILE*     3.2    24.5    +      -       +      +
    202C  GLN*     3.0    22.1    +      -       -      +
    204C  LEU*     1.3    84.4    -      -       -      +
    206C  GLY*     1.3    64.0    +      -       -      +
    208C  LYS*     3.4    22.4    +      -       -      +
    209C  LYS*     3.0    24.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 206 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    187C  GLN*     5.3     3.1    -      -       -      -
    202C  GLN      2.6    18.7    +      -       -      -
    203C  ILE*     3.8     2.2    -      -       -      -
    205C  GLU*     1.3    72.0    -      -       -      +
    207C  TRP*     1.3    62.7    +      -       -      +
    209C  LYS*     3.3     6.8    +      -       -      +
    210C  ARG*     3.0    23.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with TRP 207 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21C  MET*     3.4    49.5    +      -       +      -
     24C  ALA*     4.4     7.6    -      -       +      -
     25C  ALA*     3.8     6.8    -      -       -      +
     98C  ILE*     4.0    17.5    -      -       +      -
    100C  GLN*     4.0     8.7    +      -       -      -
    143C  VAL*     4.6    15.0    -      -       +      -
    145C  SER*     4.0    20.6    -      -       -      -
    187C  GLN*     3.5    45.1    -      -       +      +
    203C  ILE      3.0    11.8    +      -       -      +
    204C  LEU      3.4     9.9    -      -       -      +
    206C  GLY*     1.3    75.4    -      -       -      +
    208C  LYS*     1.3    61.3    +      -       -      +
    210C  ARG*     3.1    22.2    +      -       -      -
    211C  LEU*     3.1    54.9    +      -       +      +
    214C  ILE*     5.2     0.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 208 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24C  ALA*     3.3    41.4    -      -       +      +
     27C  ALA*     3.9    11.1    -      -       -      +
     28C  ALA*     3.6    20.8    -      -       +      +
     31C  LYS*     2.7    35.1    -      -       -      +
    204C  LEU*     3.0    20.1    +      -       +      +
    205C  GLU*     3.8    25.9    +      -       -      +
    207C  TRP*     1.3    75.5    -      -       -      +
    209C  LYS*     1.3    62.4    +      -       -      +
    210C  ARG      3.4     0.2    +      -       -      -
    211C  LEU*     3.4    11.0    +      -       -      +
    212C  GLU*     3.2    17.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 209 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205C  GLU      3.0    18.3    +      -       -      +
    206C  GLY*     3.7     6.7    -      -       -      +
    207C  TRP      3.2     0.2    -      -       -      -
    208C  LYS*     1.3    77.1    -      -       -      +
    210C  ARG*     1.3    62.5    +      -       -      +
    212C  GLU*     3.0    46.1    +      -       -      +
    213C  ASN*     4.1    16.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 210 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143C  VAL*     4.1     3.6    -      -       -      +
    184C  LEU*     3.9     4.0    -      -       -      +
    185C  GLU*     2.6    46.5    +      -       -      +
    186C  PRO      4.0     1.6    +      -       -      -
    187C  GLN*     3.1    40.6    +      -       -      +
    206C  GLY      3.0    13.2    +      -       -      +
    207C  TRP*     3.1    20.2    +      -       +      +
    209C  LYS*     1.3    74.2    -      -       -      +
    211C  LEU*     1.3    58.0    +      -       -      +
    212C  GLU      3.0     6.0    +      -       -      -
    213C  ASN*     3.2     5.5    +      -       -      +
    214C  ILE*     3.1    36.5    +      -       +      +
    217C  GLU*     2.6    39.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 211 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25C  ALA*     3.6    32.3    -      -       +      +
     28C  ALA*     4.4     5.6    -      -       +      -
     29C  LEU*     3.5    32.3    -      -       +      +
     32C  LYS*     5.2     2.0    -      -       -      +
     34C  TRP*     4.5     5.5    +      -       -      -
     96C  LEU*     5.0     0.9    -      -       +      -
     98C  ILE*     4.2    11.7    -      -       +      -
    207C  TRP*     3.1    60.7    +      -       +      +
    208C  LYS*     3.8     9.4    -      -       -      +
    209C  LYS      3.3     0.4    -      -       -      -
    210C  ARG*     1.3    74.8    -      -       -      +
    212C  GLU*     1.3    63.9    +      -       -      +
    213C  ASN      3.2     0.8    +      -       -      -
    214C  ILE*     3.4    33.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 212 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28C  ALA*     5.7     3.6    -      -       +      +
     32C  LYS*     3.6    49.6    +      -       +      +
     34C  TRP*     5.6     1.4    +      -       -      -
    208C  LYS      3.2    16.4    -      -       -      +
    209C  LYS*     3.0    44.5    +      -       -      +
    210C  ARG      3.0     0.6    -      -       -      -
    211C  LEU*     1.3    80.2    -      -       -      +
    213C  ASN*     1.3    68.1    +      -       -      +
    214C  ILE      3.7     0.2    -      -       -      -
----------------------------------------------------------
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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