Contacts of the helix formed by residues 194 - 204 (chain C) in PDB entry 5Y1Z


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 194 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    173C  PHE*     3.4    16.4    -      -       -      +
    174C  GLN      3.7     0.3    -      -       -      +
    175C  LYS      3.8    13.0    -      -       -      +
    176C  PRO*     3.1    41.9    -      -       +      +
    192C  PRO*     5.3     1.2    -      -       -      +
    193C  MET*     1.3    80.5    +      -       -      +
    195C  LEU*     1.3    65.9    +      -       -      +
    196C  CYS*     3.2    10.4    -      -       -      +
    197C  THR*     2.8    40.3    +      -       -      -
    198C  LEU*     3.0    23.0    +      -       -      +
    220C  ILE*     3.7    10.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 195 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162C  ILE*     3.9     8.2    -      -       +      +
    165C  MET*     3.9    36.3    -      -       +      +
    166C  LYS*     3.7    37.9    -      -       +      -
    170C  THR*     4.5     7.0    -      -       -      +
    173C  PHE*     2.9    33.7    +      -       +      +
    174C  GLN*     4.0    12.6    -      -       +      +
    194C  ASP*     1.3    72.3    -      -       -      +
    196C  CYS*     1.3    59.0    +      -       -      +
    198C  LEU*     3.4    10.5    +      -       +      +
    199C  GLU*     2.9    30.8    +      -       -      +
    220C  ILE*     3.8    17.9    -      -       +      +
    241C  VAL*     4.7     9.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with CYS 196 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    174C  GLN      3.1    23.1    +      -       -      +
    175C  LYS*     4.6     4.7    -      -       +      -
    176C  PRO*     4.8     3.6    -      -       +      -
    194C  ASP*     3.2     7.4    +      -       -      +
    195C  LEU*     1.3    76.6    -      -       -      +
    197C  THR*     1.3    57.2    +      -       -      +
    199C  GLU*     3.2    12.9    +      -       -      +
    200C  LYS*     2.9    62.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 197 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176C  PRO*     4.2     6.1    -      -       -      +
    192C  PRO      5.7     0.4    -      -       -      +
    193C  MET*     3.8    19.5    -      -       +      -
    194C  ASP*     2.8    35.0    +      -       -      -
    196C  CYS*     1.3    73.7    -      -       -      +
    198C  LEU*     1.3    66.2    +      -       -      +
    200C  LYS*     3.2     7.4    +      -       +      -
    201C  ASN*     2.8    50.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 198 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162C  ILE*     3.6    23.1    -      -       +      -
    165C  MET*     4.1    10.5    -      -       +      -
    193C  MET*     4.2     9.1    -      -       -      -
    194C  ASP      3.0    10.4    +      -       -      +
    195C  LEU*     3.4    18.8    -      -       +      +
    197C  THR*     1.3    75.0    -      -       -      +
    199C  GLU*     1.3    57.8    +      -       -      +
    201C  ASN*     3.7     1.4    -      -       -      +
    202C  ALA*     2.8    31.9    +      -       -      +
    207C  TYR*     3.5    25.0    -      -       -      +
    213C  PHE*     3.5    21.5    -      -       +      -
    216C  ASP*     4.1     6.1    -      -       +      +
    217C  ALA*     4.0    41.1    -      -       +      +
    220C  ILE*     4.1     8.5    -      -       +      -
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Residues in contact with GLU 199 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159C  LYS*     5.7    11.1    -      -       +      +
    162C  ILE*     3.4    33.3    -      -       +      +
    163C  GLN*     4.9     9.2    +      -       -      +
    166C  LYS*     3.9    19.5    +      -       -      +
    195C  LEU      2.9    14.2    +      -       -      +
    196C  CYS*     3.3    15.3    -      -       -      +
    198C  LEU*     1.3    77.8    -      -       -      +
    200C  LYS*     1.3    65.8    +      -       +      +
    202C  ALA*     3.2     5.6    +      -       -      +
    203C  LYS*     2.9    29.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 200 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    196C  CYS*     2.9    44.2    +      -       -      +
    197C  THR*     3.9     6.3    -      -       +      +
    199C  GLU*     1.3    79.3    -      -       -      +
    201C  ASN*     1.3    61.5    +      -       -      +
    203C  LYS*     3.1    10.3    +      -       -      +
    204C  LYS*     2.9    28.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 201 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193C  MET*     4.7     4.4    -      -       -      +
    197C  THR*     2.8    42.3    +      -       -      +
    198C  LEU      3.7     0.6    -      -       -      +
    200C  LYS*     1.3    77.2    -      -       -      +
    202C  ALA*     1.3    66.7    +      -       -      +
    204C  LYS*     3.1    11.8    +      -       -      +
    205C  LYS      3.2     4.2    +      -       -      -
    206C  MET*     3.1    49.3    +      -       +      +
    207C  TYR*     3.4    24.1    +      -       -      +
    216C  ASP*     3.9     7.7    +      -       -      -
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Residues in contact with ALA 202 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    155C  SER*     3.4    20.8    -      -       -      +
    158C  LEU*     4.2    24.9    -      -       +      -
    159C  LYS*     4.9     6.3    -      -       +      +
    162C  ILE*     5.6     0.9    -      -       +      -
    198C  LEU      2.8    20.1    +      -       -      +
    199C  GLU*     3.5     7.4    -      -       -      +
    201C  ASN*     1.3    71.5    -      -       -      +
    203C  LYS*     1.3    58.5    +      -       -      +
    205C  LYS*     2.9    21.7    +      -       -      -
    206C  MET      4.9     0.2    -      -       -      +
    207C  TYR*     3.4    22.2    -      -       +      -
    213C  PHE*     4.6     3.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 203 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    155C  SER*     5.3     3.9    +      -       -      -
    199C  GLU*     2.9    15.0    +      -       +      +
    200C  LYS*     3.1    13.0    +      -       -      +
    202C  ALA*     1.3    75.1    -      -       -      +
    204C  LYS*     1.4    56.8    +      -       -      +
    205C  LYS*     2.9     8.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 204 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    200C  LYS      2.9    15.9    +      -       -      +
    201C  ASN*     3.1     6.7    +      -       -      +
    203C  LYS*     1.4    72.0    -      -       -      +
    205C  LYS*     1.3    68.3    +      -       -      +
    206C  MET*     3.2    23.8    +      -       +      +
----------------------------------------------------------
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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