Contacts of the helix formed by residues 206 - 220 (chain B) in PDB entry 1QYR


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 206 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204B  VAL*     3.6     9.5    -      -       -      +
    205B  LYS*     1.3    81.4    -      -       +      +
    207B  VAL*     1.3    58.8    +      -       -      +
    208B  ARG*     2.8    55.2    +      -       -      +
    209B  VAL*     3.0    46.3    +      -       +      +
    261B  ALA      5.2     0.3    -      -       -      +
    265B  ALA*     4.2    12.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 207 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    163B  MET*     3.6    23.1    -      -       +      -
    166B  TYR*     3.3    41.1    -      -       +      +
    167B  TYR*     3.4    28.7    -      -       +      +
    204B  VAL*     3.9    12.8    -      -       +      +
    206B  ASP*     1.3    70.0    +      -       -      +
    208B  ARG*     1.3    65.7    +      -       -      +
    210B  LEU*     3.0     7.1    +      -       +      +
    211B  SER*     2.9    22.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 208 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206B  ASP*     2.8    36.1    +      -       -      +
    207B  VAL*     1.3    75.9    -      -       -      +
    209B  VAL*     1.3    57.7    +      -       +      +
    211B  SER*     3.4     7.1    +      -       -      -
    212B  ARG*     2.9    29.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 209 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206B  ASP*     3.0    33.1    +      -       +      +
    208B  ARG*     1.3    74.8    -      -       +      +
    210B  LEU*     1.3    60.1    +      -       -      +
    212B  ARG*     3.1    10.1    +      -       +      +
    213B  ILE*     2.9    30.0    +      -       +      +
    261B  ALA*     3.5    30.3    -      -       -      +
    264B  LEU*     3.7    30.7    -      -       +      -
    265B  ALA*     4.6     9.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 210 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162B  VAL*     4.1     6.1    -      -       +      -
    163B  MET*     3.6    24.0    -      -       +      -
    166B  TYR*     3.8    38.6    -      -       +      -
    204B  VAL*     4.5     3.4    -      -       +      -
    206B  ASP      3.7     1.2    +      -       -      -
    207B  VAL*     3.0    16.6    +      -       +      +
    209B  VAL*     1.3    77.9    -      -       -      +
    211B  SER*     1.3    59.9    +      -       -      +
    213B  ILE*     3.5     3.4    -      -       +      +
    214B  THR*     2.9    39.9    +      -       +      +
    257B  TYR*     3.7    44.2    -      -       +      +
    258B  CYS*     4.1     7.2    -      -       -      +
    261B  ALA*     3.7    15.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 211 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159B  ARG*     2.9    25.0    +      -       -      +
    163B  MET*     3.8    19.7    -      -       -      -
    207B  VAL*     2.9    15.4    +      -       -      -
    208B  ARG*     3.7     8.5    -      -       -      -
    210B  LEU*     1.3    77.0    -      -       -      +
    212B  ARG*     1.3    53.4    +      -       -      +
    214B  THR*     3.1     6.8    +      -       -      -
    215B  THR*     2.8    38.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 212 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208B  ARG      2.9    17.9    +      -       -      +
    209B  VAL*     3.1    10.7    +      -       -      +
    211B  SER*     1.3    76.9    -      -       -      +
    213B  ILE*     1.3    61.7    +      -       -      +
    215B  THR*     3.7     5.4    -      -       -      -
    216B  GLU*     3.2    54.0    +      -       +      +
    231B  ASN*     6.3     0.4    -      -       -      +
    232B  LEU*     3.0    51.2    -      -       -      +
    264B  LEU*     4.7     5.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 213 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    209B  VAL*     2.9    25.0    +      -       +      +
    210B  LEU*     3.4     9.2    +      -       +      +
    212B  ARG*     1.3    73.6    -      -       +      +
    214B  THR*     1.3    58.6    +      -       -      +
    216B  GLU      3.5     0.3    +      -       -      -
    217B  ALA*     2.8    37.5    +      -       -      +
    229B  LEU*     3.9    15.6    -      -       +      +
    232B  LEU*     3.8    29.6    -      -       +      -
    233B  PHE*     4.1     6.3    -      -       +      -
    257B  TYR*     3.6    22.7    -      -       +      +
    260B  MET*     3.8    15.7    -      -       +      -
    261B  ALA*     3.6    33.7    -      -       +      +
    264B  LEU*     3.9    13.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 214 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159B  ARG*     3.2    29.5    -      -       -      +
    162B  VAL*     3.8    33.7    -      -       +      -
    163B  MET*     4.2     2.9    -      -       -      -
    210B  LEU*     2.9    30.6    +      -       +      +
    211B  SER*     3.1    11.3    +      -       -      -
    213B  ILE*     1.3    73.3    -      -       -      +
    215B  THR*     1.3    64.7    +      -       -      +
    217B  ALA*     4.4     2.7    -      -       -      -
    218B  PHE*     3.0    36.2    +      -       +      +
    257B  TYR*     4.1    14.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 215 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159B  ARG*     3.2    25.8    +      -       -      +
    211B  SER*     2.8    25.6    +      -       -      -
    212B  ARG*     3.7     8.4    -      -       -      -
    213B  ILE      3.4     0.2    -      -       -      -
    214B  THR*     1.3    77.6    +      -       -      +
    216B  GLU*     1.3    65.4    +      -       +      +
    218B  PHE*     4.0     1.2    -      -       -      +
    219B  ASN*     3.2    40.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 216 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212B  ARG*     3.2    53.5    +      -       +      +
    213B  ILE      3.9     0.2    -      -       -      +
    214B  THR      3.2     0.2    -      -       -      -
    215B  THR*     1.3    83.5    -      -       +      +
    217B  ALA*     1.3    65.0    +      -       -      +
    219B  ASN*     3.3    22.1    +      -       -      +
    220B  GLN*     3.9     4.2    +      -       -      +
    228B  SER*     3.9    13.3    +      -       -      +
    229B  LEU*     3.8    23.7    -      -       +      +
    232B  LEU*     4.4     4.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 217 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213B  ILE      2.8    23.6    +      -       -      +
    214B  THR*     3.4     2.7    +      -       -      +
    216B  GLU*     1.3    74.6    -      -       -      +
    218B  PHE*     1.3    59.5    +      -       +      +
    220B  GLN      3.4    17.3    +      -       -      +
    225B  ILE*     3.8    20.6    -      -       +      -
    228B  SER*     3.5    12.6    +      -       -      -
    229B  LEU*     4.2     2.6    -      -       +      +
    249B  ALA*     3.3    17.6    -      -       +      +
    257B  TYR*     3.7    28.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 218 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    157B  TYR*     3.6    41.5    -      +       -      -
    158B  GLY*     3.6    25.1    -      -       -      -
    159B  ARG*     3.5    19.5    -      -       +      +
    162B  VAL*     4.1     6.5    -      -       +      -
    214B  THR*     3.0    30.5    +      -       -      +
    215B  THR      4.0     1.8    -      -       -      +
    217B  ALA*     1.3    73.3    -      -       -      +
    219B  ASN*     1.3    64.2    +      -       -      +
    220B  GLN      3.2     2.2    +      -       -      -
    221B  ARG*     3.8    30.2    +      -       +      +
    249B  ALA*     3.8    17.7    -      -       +      -
    250B  GLU*     4.1     8.3    -      -       +      -
    257B  TYR*     3.6    30.5    -      +       -      -
----------------------------------------------------------
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Residues in contact with ASN 219 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    215B  THR*     3.2    33.0    +      -       -      +
    216B  GLU*     3.3    15.5    +      -       -      +
    218B  PHE*     1.3    78.4    -      -       -      +
    220B  GLN*     1.3    58.0    +      -       +      +
    221B  ARG      3.7     1.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 220 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216B  GLU      3.9     5.0    +      -       -      +
    217B  ALA      3.4    12.5    +      -       -      +
    219B  ASN*     1.3    78.3    -      -       +      +
    221B  ARG*     1.3    65.2    +      -       -      +
    222B  ARG      3.2     3.4    -      -       -      -
    223B  LYS*     3.0    38.4    +      -       +      +
    228B  SER*     4.9     8.7    -      -       -      +
----------------------------------------------------------
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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