Contacts of the helix formed by residues 212 - 220 (chain s) in PDB entry 6QXT


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 PHE 212 (chain s).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185s  LEU*     5.5    10.3    -      -       +      +
    189s  ALA*     6.1     3.8    -      -       +      -
    210s  ASN*     3.2     4.9    -      -       +      +
    211s  GLN*     1.3    76.5    -      -       +      +
    213s  ASN*     1.3    59.3    +      -       -      +
    214s  LEU      3.4     2.2    -      -       -      -
    215s  ALA*     3.5    10.6    +      -       +      -
    216s  SER*     2.8    32.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 213 (chain s). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    200s  GLN      4.5     2.9    -      -       -      +
    202s  GLY*     4.3    17.5    -      -       -      +
    208s  GLN*     5.3     8.3    -      -       +      +
    210s  ASN*     3.4    29.2    +      -       +      +
    211s  GLN      3.4     2.2    -      -       -      -
    212s  PHE*     1.3    77.2    -      -       -      +
    214s  LEU*     1.3    58.8    +      -       -      +
    216s  SER*     3.2     7.6    +      -       -      -
    217s  ASP*     2.9    28.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 214 (chain s). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198s  MET      4.5     2.9    -      -       -      +
    199s  THR*     3.4    21.8    +      -       -      +
    201s  ILE      3.3    24.8    +      -       -      +
    202s  GLY*     4.5     4.3    -      -       -      -
    203s  LEU*     5.3     0.9    -      -       -      +
    212s  PHE      3.4     0.4    -      -       -      -
    213s  ASN*     1.3    77.7    -      -       -      +
    215s  ALA*     1.3    59.9    +      -       -      +
    217s  ASP*     3.1     9.0    +      -       -      +
    218s  ILE*     2.9    28.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 215 (chain s). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185s  LEU*     4.1     9.2    -      -       +      +
    188s  PHE*     3.8     9.0    -      -       -      +
    189s  ALA*     3.7    40.8    -      -       +      +
    192s  VAL*     5.2     5.4    -      -       +      -
    199s  THR*     4.7     4.1    +      -       -      -
    211s  GLN      5.2     1.1    +      -       -      +
    212s  PHE*     3.5    13.1    +      -       +      +
    213s  ASN      3.4     0.6    -      -       -      -
    214s  LEU*     1.3    78.6    -      -       -      +
    216s  SER*     1.3    57.1    +      -       -      +
    218s  ILE*     3.5     6.6    +      -       -      +
    219s  MET*     2.9    30.7    +      -       -      +
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Residues in contact with SER 216 (chain s). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185s  LEU*     5.8     5.3    -      -       -      +
    212s  PHE*     2.8    21.0    +      -       -      -
    213s  ASN*     3.5     7.2    -      -       -      -
    215s  ALA*     1.3    75.8    -      -       -      +
    217s  ASP*     1.3    59.8    +      -       -      +
    219s  MET*     3.1     6.0    +      -       -      +
    220s  GLU*     2.9    30.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 217 (chain s). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    106s  TRP*     5.8     6.7    -      -       +      -
    109s  ILE*     4.3    16.8    -      -       -      +
    203s  LEU*     5.1    18.2    -      -       +      +
    204s  LYS*     5.9     5.2    -      -       +      +
    213s  ASN      2.9    14.0    +      -       -      +
    214s  LEU*     3.5    10.3    -      -       -      +
    216s  SER*     1.3    77.2    -      -       -      +
    218s  ILE*     1.3    61.5    +      -       -      +
    220s  GLU*     3.7    15.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 218 (chain s). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    109s  ILE*     6.1     0.4    -      -       -      -
    188s  PHE*     5.1     7.6    -      -       +      +
    214s  LEU      2.9    16.0    +      -       -      +
    215s  ALA*     3.9     7.4    -      -       -      +
    217s  ASP*     1.3    76.6    -      -       -      +
    219s  MET*     1.3    58.6    +      -       -      +
    220s  GLU      3.3     1.4    +      -       -      -
    221s  PRO*     4.5     6.8    -      -       -      +
    222s  PHE*     5.5     0.7    +      -       -      +
    270s  THR*     5.9     8.1    -      -       -      -
    273s  VAL*     6.0     5.8    -      -       +      -
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Residues in contact with MET 219 (chain s). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    184s  LEU*     4.5    18.7    -      -       +      +
    185s  LEU*     5.1     3.1    -      -       +      -
    188s  PHE*     4.2    13.9    -      -       +      -
    215s  ALA      2.9    19.9    +      -       -      +
    216s  SER*     3.1     7.5    +      -       -      +
    218s  ILE*     1.3    75.5    -      -       -      +
    220s  GLU*     1.3    63.9    +      -       -      +
    221s  PRO      3.4     2.0    -      -       -      -
    222s  PHE*     3.4    17.5    +      -       +      +
    223s  ARG*     3.9     8.5    +      -       -      +
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Residues in contact with GLU 220 (chain s). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    109s  ILE*     5.2     5.8    -      -       +      +
    110s  ILE*     5.7     2.7    -      -       -      -
    113s  LYS*     3.7    19.6    -      -       +      +
    216s  SER      2.9    14.1    +      -       -      +
    217s  ASP*     3.8    13.2    -      -       -      +
    218s  ILE      3.3     2.0    -      -       -      -
    219s  MET*     1.3    79.0    -      -       -      +
    221s  PRO*     1.3    62.0    -      -       -      +
    222s  PHE      3.2     0.7    +      -       -      -
    223s  ARG*     3.5    16.9    +      -       -      +
----------------------------------------------------------
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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