Contacts of the helix formed by residues 216 - 231 (chain N) in PDB entry 6CET


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 GLU 216 (chain N).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    733D  VAL*     4.6     1.4    -      -       -      +
    734D  PRO*     5.1    19.7    -      -       +      +
    735D  GLY      6.0     1.1    -      -       -      +
    556M  HIS*     4.6    26.4    -      -       -      +
    209N  ILE*     3.8     1.6    -      -       -      -
    215N  VAL*     1.3    78.4    -      -       -      +
    217N  LEU*     1.3    70.6    +      -       -      +
    218N  ASN*     3.5     9.1    +      -       +      +
    219N  LEU*     3.2    30.1    +      -       +      +
    220N  VAL*     3.0    29.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 217 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    518M  HIS*     6.1     1.3    -      -       +      -
    171N  GLU*     3.5    49.1    -      -       +      +
    206N  ILE*     5.7     2.7    -      -       +      -
    209N  ILE*     3.8    22.4    -      -       +      +
    216N  GLU*     1.3    85.1    -      -       -      +
    218N  ASN*     1.3    58.4    +      -       -      +
    220N  VAL*     3.3     6.5    -      -       +      +
    221N  ARG*     2.9    50.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 218 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216N  GLU*     3.5     6.9    +      -       +      +
    217N  LEU*     1.3    80.4    -      -       -      +
    219N  LEU*     1.3    60.6    +      -       +      +
    221N  ARG*     3.3    38.0    +      -       -      +
    222N  ILE*     3.0    33.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 219 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    374D  LEU*     3.6    50.7    -      -       +      +
    733D  VAL*     3.7    33.2    -      -       +      +
    735D  GLY      4.8     4.5    -      -       -      +
    737D  CYS*     5.0    11.0    -      -       -      +
    192N  THR*     6.2     0.7    -      -       +      -
    215N  VAL*     5.4     2.5    -      -       +      -
    216N  GLU*     3.2    30.0    +      -       +      +
    217N  LEU      3.2     0.6    -      -       -      -
    218N  ASN*     1.3    80.7    -      -       +      +
    220N  VAL*     1.3    57.5    +      -       -      +
    222N  ILE*     3.3     7.4    -      -       +      +
    223N  ALA*     3.0    29.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 220 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    196N  ILE*     4.6    25.6    -      -       +      -
    205N  HIS*     3.4    30.1    -      -       +      +
    208N  LYS*     5.6     6.5    -      -       +      -
    209N  ILE*     3.7    20.9    -      -       +      -
    213N  ALA*     5.5     1.1    -      -       +      -
    215N  VAL*     3.7    18.3    -      -       +      +
    216N  GLU      3.0    11.8    +      -       -      +
    217N  LEU*     3.3    15.7    -      -       -      +
    219N  LEU*     1.3    75.7    -      -       -      +
    221N  ARG*     1.3    58.0    +      -       -      +
    223N  ALA*     3.8     5.3    -      -       -      +
    224N  ILE*     2.9    31.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 221 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    169N  ALA*     3.4    34.7    +      -       +      +
    170N  GLN*     4.4    12.0    -      -       -      +
    171N  GLU*     5.2     4.2    -      -       +      +
    205N  HIS*     5.0     5.6    -      -       +      -
    217N  LEU*     2.9    38.8    +      -       +      +
    218N  ASN*     3.3    34.2    +      -       -      +
    220N  VAL*     1.3    78.1    -      -       +      +
    222N  ILE*     1.3    57.2    +      -       -      +
    224N  ILE*     3.2     9.9    -      -       +      +
    225N  GLN*     3.0    29.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 222 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    374D  LEU*     3.8    22.2    -      -       +      -
    419D  PHE*     5.2    13.9    -      -       +      -
    218N  ASN*     3.0    26.9    +      -       -      +
    219N  LEU*     3.3    10.3    -      -       +      +
    221N  ARG*     1.3    74.3    -      -       -      +
    223N  ALA*     1.3    62.8    +      -       -      +
    225N  GLN*     3.2    17.9    +      -       +      +
    226N  ASN*     3.0    39.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 223 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    374D  LEU*     4.0    15.0    -      -       +      -
    419D  PHE      5.9     2.5    -      -       -      +
    420D  THR*     5.6     3.6    -      -       +      +
    192N  THR*     4.9    11.4    -      -       -      +
    193N  THR*     5.1    11.1    -      -       +      +
    196N  ILE*     5.2     9.2    -      -       +      -
    219N  LEU      3.0    18.6    +      -       -      +
    220N  VAL*     3.8     7.9    -      -       -      +
    222N  ILE*     1.3    78.3    -      -       -      +
    224N  ILE*     1.3    57.5    +      -       -      +
    226N  ASN*     3.2    10.5    +      -       -      +
    227N  LEU*     3.0    29.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 224 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    169N  ALA*     4.3    14.8    -      -       +      -
    170N  GLN      5.8     0.9    -      -       -      +
    173N  ASP*     5.7     0.9    -      -       -      +
    175N  PRO*     3.6    39.0    -      -       +      -
    196N  ILE*     5.7     3.5    -      -       +      +
    200N  ILE*     6.3     3.4    -      -       +      -
    205N  HIS*     4.2    22.9    -      -       +      +
    208N  LYS*     5.7     2.0    -      -       +      -
    220N  VAL*     2.9    19.1    +      -       +      +
    221N  ARG*     3.2    20.0    -      -       +      +
    223N  ALA*     1.3    75.0    -      -       -      +
    225N  GLN*     1.3    59.3    +      -       -      +
    227N  LEU*     3.2    19.7    +      -       +      +
    228N  LEU*     2.9    36.9    +      -       +      +
    232N  VAL*     5.3     2.2    -      -       +      -
    234N  THR*     5.7     3.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 225 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    416D  CYS*     5.6     4.3    -      -       -      -
    166N  PRO*     4.1    20.5    +      -       +      +
    167N  PRO      3.0    29.8    +      -       -      +
    168N  VAL*     4.4     4.8    -      -       -      +
    169N  ALA*     4.7    14.7    +      -       +      +
    221N  ARG*     3.0    19.3    +      -       -      +
    222N  ILE*     3.5    20.6    -      -       +      +
    223N  ALA      3.2     0.4    -      -       -      -
    224N  ILE*     1.3    77.9    -      -       -      +
    226N  ASN*     1.3    59.7    +      -       -      +
    228N  LEU*     3.3    13.5    +      -       +      +
    229N  TYR*     2.9    25.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 226 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    374D  LEU*     5.5     0.4    -      -       -      +
    416D  CYS*     3.9    18.7    -      -       -      -
    417D  ASN      4.7     1.7    +      -       -      +
    418D  SER*     3.7    22.3    -      -       -      +
    419D  PHE*     3.2    32.4    +      -       -      +
    420D  THR*     4.2    16.2    -      -       +      +
    222N  ILE*     3.0    32.6    +      -       -      +
    223N  ALA*     3.2    10.7    +      -       -      +
    225N  GLN*     1.3    77.0    -      -       -      +
    227N  LEU*     1.3    63.9    +      -       -      +
    229N  TYR*     3.1     9.1    +      -       -      +
    230N  TYR*     3.1    27.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 227 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    420D  THR*     5.5     6.1    -      -       +      -
    177N  PHE*     5.6     5.2    -      -       +      -
    189N  TRP*     4.9    19.5    -      -       +      -
    193N  THR*     5.3    10.1    -      -       +      -
    196N  ILE*     4.6    20.0    -      -       +      -
    197N  LEU*     4.6    16.4    -      -       +      -
    200N  ILE*     5.3     6.7    -      -       +      -
    223N  ALA      3.0    16.6    +      -       -      +
    224N  ILE*     3.2    22.6    +      -       +      +
    226N  ASN*     1.3    76.8    -      -       -      +
    228N  LEU*     1.3    53.9    +      -       -      +
    230N  TYR*     3.0     6.8    +      -       +      +
    231N  GLY      2.6    34.9    +      -       -      +
    232N  VAL*     3.2    29.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 228 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    166N  PRO*     5.3     2.2    -      -       +      +
    167N  PRO*     4.4    30.0    -      -       +      +
    168N  VAL      5.7     0.2    -      -       -      +
    169N  ALA*     4.5    15.0    -      -       +      -
    224N  ILE*     2.9    23.8    +      -       +      +
    225N  GLN*     3.5    15.5    -      -       +      +
    226N  ASN      3.3     0.2    -      -       -      -
    227N  LEU*     1.3    72.4    -      -       -      +
    229N  TYR*     1.3    64.4    -      -       -      +
    230N  TYR      3.4     4.5    +      -       -      -
    232N  VAL*     3.3    43.4    +      -       +      +
    233N  VAL*     4.2     0.4    -      -       -      -
    234N  THR*     3.6    38.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 229 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    416D  CYS*     4.4    26.1    +      -       +      +
    418D  SER*     4.8     9.4    -      -       -      -
    162N  GLN*     5.0     8.0    +      -       -      +
    163N  ARG*     2.9    42.0    +      -       +      +
    164N  PRO      3.2    30.5    -      -       -      +
    165N  ASP*     4.5     2.4    +      -       -      -
    166N  PRO*     3.8    30.5    -      -       +      +
    225N  GLN      2.9    13.2    +      -       -      +
    226N  ASN*     3.1    15.5    +      -       -      +
    228N  LEU*     1.3    77.6    -      -       -      +
    230N  TYR*     1.3    81.4    +      +       -      +
----------------------------------------------------------
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Residues in contact with TYR 230 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    418D  SER*     3.3    27.3    +      -       -      -
    420D  THR*     3.9    27.5    +      -       -      -
    422D  ARG*     4.4    32.8    -      -       +      +
    163N  ARG*     3.0    42.0    +      -       -      +
    226N  ASN      3.1    22.3    +      -       -      +
    227N  LEU*     3.0    12.1    +      -       +      +
    228N  LEU      4.2     3.4    -      -       -      +
    229N  TYR*     1.3    96.3    -      +       -      +
    231N  GLY*     1.3    58.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 231 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    177N  PHE*     3.6    22.5    -      -       -      -
    178N  THR*     3.6    21.4    +      -       -      +
    179N  LYS*     5.3     8.3    -      -       -      +
    227N  LEU*     2.6    16.6    +      -       -      +
    228N  LEU      4.3     0.2    +      -       -      -
    230N  TYR*     1.3    79.1    -      -       -      +
    232N  VAL*     1.3    60.2    +      -       -      +
    233N  VAL*     5.6     0.7    -      -       -      -
----------------------------------------------------------
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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