Contacts of the helix formed by residues 191 - 202 (chain A) in PDB entry 1WCP


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 ARG 191 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    188A  GLN*     3.9    19.4    +      -       -      +
    189A  TYR*     3.4     9.1    +      -       -      +
    190A  LEU*     1.3    77.3    +      -       -      +
    192A  ASN*     1.3    69.3    +      -       -      +
    193A  PRO*     3.5     1.6    -      -       -      -
    194A  PRO*     3.6    11.5    -      -       -      +
    195A  LYS*     3.5    22.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASN 192 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    190A  LEU*     5.9     1.5    -      -       +      +
    191A  ARG*     1.3    79.2    -      -       -      +
    193A  PRO*     1.4    78.8    -      -       +      +
    195A  LYS*     3.0    26.4    +      -       -      +
    196A  LEU*     3.2    37.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 193 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    183A  GLU      4.5     7.4    -      -       -      +
    184A  LEU      3.1    25.6    -      -       -      +
    185A  ARG*     4.8     2.0    -      -       -      -
    190A  LEU*     3.6    37.9    -      -       +      -
    191A  ARG      3.6     0.9    -      -       -      -
    192A  ASN*     1.4   100.7    -      -       +      +
    194A  PRO*     1.3    70.8    -      -       +      +
    196A  LEU*     3.0     6.6    +      -       +      +
    197A  VAL*     3.0    26.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with PRO 194 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    184A  LEU      4.2     0.4    -      -       -      -
    185A  ARG*     4.0    22.2    -      -       +      -
    190A  LEU*     4.9     6.1    -      -       +      +
    191A  ARG*     3.6    12.8    -      -       -      +
    192A  ASN      3.6     3.1    -      -       -      -
    193A  PRO*     1.3    97.7    -      -       +      +
    195A  LYS*     1.3    64.7    +      -       +      +
    197A  VAL*     4.0    10.3    -      -       +      -
    198A  THR*     3.0    35.6    +      -       -      +
    199A  PRO*     4.1     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 195 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    191A  ARG*     3.5    27.0    -      -       -      +
    192A  ASN*     3.0    19.1    +      -       -      +
    194A  PRO*     1.3    77.7    -      -       +      +
    196A  LEU*     1.3    65.3    +      -       +      +
    199A  PRO*     3.5    19.6    -      -       -      +
    326A  GLY*     4.7    10.3    -      -       -      -
    330A  ARG*     4.9    27.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 196 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  MET*     4.9     0.6    -      -       -      +
    192A  ASN*     3.2    47.3    -      -       -      +
    193A  PRO*     3.0     4.0    +      -       +      +
    195A  LYS*     1.3    87.1    -      -       +      +
    197A  VAL*     1.3    65.5    +      -       +      +
    198A  THR      3.3     1.7    +      -       -      -
    199A  PRO*     3.6     5.4    -      -       -      +
    200A  HIS*     2.9    34.1    +      -       +      -
    326A  GLY*     6.5     0.7    -      -       -      -
    330A  ARG*     5.5    12.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 197 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  MET*     3.9    21.0    -      -       +      +
    112A  THR*     4.5     8.3    -      -       +      -
    184A  LEU*     3.7    49.1    -      -       +      +
    185A  ARG*     4.1    15.0    -      -       +      -
    193A  PRO*     3.0    19.4    +      -       +      +
    194A  PRO*     4.0     5.2    -      -       +      +
    196A  LEU*     1.3    78.9    -      -       +      +
    198A  THR*     1.3    76.6    +      -       -      +
    200A  HIS*     3.3     6.6    +      -       -      +
    201A  ASP*     3.2    21.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 198 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185A  ARG*     2.9    35.5    +      -       -      +
    194A  PRO*     3.0    21.9    +      -       -      +
    197A  VAL*     1.3    79.5    -      -       -      +
    199A  PRO*     1.3    71.0    -      -       -      +
    201A  ASP*     3.1     6.7    +      -       -      +
    202A  ARG*     3.1    28.7    +      -       -      +
    234A  LEU*     3.7    28.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with PRO 199 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    194A  PRO      4.1     1.1    -      -       -      +
    195A  LYS*     3.5    24.9    -      -       -      +
    196A  LEU*     3.6     8.1    -      -       -      +
    198A  THR*     1.3    96.1    -      -       -      +
    200A  HIS*     1.3    59.8    +      -       -      +
    202A  ARG*     3.2    10.6    +      -       +      +
    203A  MET*     3.2    18.5    +      -       -      +
    207A  ASP*     5.2     0.9    -      -       -      +
    234A  LEU*     6.0     4.5    -      -       +      -
    321A  ASN*     5.8     1.9    +      -       -      +
    322A  PRO*     3.2    40.0    -      -       +      +
    325A  ASN*     3.8    23.8    -      -       +      +
    326A  GLY*     4.6     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 200 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20A  ARG*     6.5     0.4    -      -       +      -
     26A  ASN*     5.4     3.6    +      -       -      +
     30A  MET*     4.0    36.6    -      -       +      +
    196A  LEU*     2.9    30.9    +      -       +      -
    197A  VAL      3.7     5.8    -      -       -      +
    198A  THR      3.3     0.4    -      -       -      -
    199A  PRO*     1.3    72.3    -      -       -      +
    201A  ASP*     1.3    65.6    -      -       -      +
    203A  MET*     3.2    28.2    +      -       +      +
    204A  ALA*     3.2    13.0    +      -       -      +
    322A  PRO*     3.4    36.4    -      -       +      +
    323A  ALA*     5.3     2.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 201 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  MET*     4.3     1.8    -      -       +      -
     31A  GLY*     3.7    26.2    -      -       -      +
     32A  PRO*     5.0     0.3    -      -       -      +
    112A  THR*     3.0    39.2    +      -       +      +
    185A  ARG*     4.3     8.1    +      -       -      -
    197A  VAL      3.2     9.7    +      -       -      +
    198A  THR*     3.1    14.5    +      -       -      +
    200A  HIS*     1.3    78.2    -      -       -      +
    202A  ARG*     1.3    74.2    +      -       -      +
    203A  MET      3.1     5.4    +      -       -      -
    204A  ALA*     3.2    21.8    +      -       -      +
    206A  PHE*     4.4     2.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 202 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198A  THR*     3.1    16.3    +      -       -      +
    199A  PRO*     3.2    12.9    -      -       +      +
    201A  ASP*     1.3    84.9    -      -       -      +
    203A  MET*     1.4    53.8    +      -       -      +
    206A  PHE*     3.6    31.5    -      -       +      +
    207A  ASP*     3.5    12.8    -      -       -      +
    230A  LYS*     2.9    57.7    +      -       +      +
    231A  GLU*     4.3     4.6    +      -       -      -
    233A  PRO*     5.7     3.6    -      -       -      +
    234A  LEU*     3.7    36.9    -      -       -      +
    325A  ASN*     5.2     3.0    -      -       -      +
----------------------------------------------------------
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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