Contacts of the helix formed by residues 150 - 162 (chain A) in PDB entry 2J6U


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 ASN 150 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4A  MET*     4.6     6.7    -      -       +      -
      6A  VAL*     3.5    11.0    -      -       -      -
    148A  SER*     3.4     1.4    +      -       -      -
    149A  LYS*     1.3    89.5    -      -       -      +
    151A  LYS*     1.3    63.5    +      -       -      +
    152A  VAL*     3.1     5.5    +      -       -      +
    153A  PHE*     2.8    48.1    +      -       -      -
    154A  ALA*     3.0    20.8    +      -       -      +
    234A  ASP*     5.8     1.8    +      -       -      +
    236A  TYR*     3.5    48.3    +      -       +      +
    238A  GLU      5.4     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 151 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6A  VAL*     3.7     6.1    -      -       +      +
    103A  GLU*     2.9    37.3    +      -       -      +
    111A  TYR*     3.1    53.8    -      -       +      -
    150A  ASN*     1.3    73.9    -      -       -      +
    152A  VAL*     1.3    65.1    +      -       +      +
    154A  ALA*     3.2     1.2    +      -       -      +
    155A  LYS*     3.0    19.1    +      -       -      +
    236A  TYR*     4.4    10.2    +      -       +      +
    238A  GLU*     3.3    38.6    +      -       -      +
    239A  PRO      3.0    21.9    +      -       -      +
    240A  ILE*     4.1    15.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 152 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    111A  TYR*     5.4     1.1    -      -       -      -
    150A  ASN*     3.1     6.7    +      -       -      +
    151A  LYS*     1.3    76.0    -      -       +      +
    153A  PHE*     1.3    60.0    +      -       +      +
    155A  LYS*     3.3     6.0    +      -       -      +
    156A  ILE*     3.0    39.2    +      -       +      +
    186A  VAL*     4.7     0.7    -      -       +      -
    187A  PRO*     3.8    29.1    -      -       +      +
    227A  TYR*     3.6    24.9    -      -       +      +
    231A  LEU*     3.9    22.0    -      -       +      -
    236A  TYR*     3.3    32.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 153 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    148A  SER*     3.2    24.2    -      -       -      +
    149A  LYS*     5.3     0.2    -      -       +      -
    150A  ASN*     2.8    39.8    +      -       -      +
    152A  VAL*     1.3    70.5    -      -       -      +
    154A  ALA*     1.3    59.4    +      -       -      +
    156A  ILE*     4.0    22.0    -      -       +      -
    157A  ALA*     2.8    29.6    +      -       -      +
    169A  ILE*     3.5     7.4    -      -       +      +
    174A  VAL*     3.8    36.1    -      -       +      -
    177A  LEU*     4.4    29.4    -      -       +      -
    178A  ILE*     4.2     7.0    -      -       +      -
    181A  LEU*     5.0     0.9    -      -       +      -
    205A  LEU*     4.2    20.6    -      -       +      -
    231A  LEU*     3.6    31.6    -      -       +      -
    234A  ASP*     6.1     2.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 154 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6A  VAL*     3.8    22.9    -      -       +      +
      8A  PHE*     3.7    13.8    -      -       +      -
    146A  GLY*     3.4    32.6    -      -       -      +
    148A  SER*     3.7    10.9    -      -       -      +
    150A  ASN      3.0    16.6    +      -       -      +
    151A  LYS      3.2     4.5    +      -       -      +
    153A  PHE*     1.3    76.9    -      -       -      +
    155A  LYS*     1.3    63.1    +      -       -      +
    157A  ALA*     3.3     1.5    +      -       -      -
    158A  ALA*     3.0    18.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 155 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  PHE*     3.5    22.0    -      -       +      -
     10A  ASP*     4.6     3.0    +      -       -      -
    109A  GLU*     3.3    31.0    +      -       -      +
    111A  TYR*     3.6    21.3    -      -       +      +
    151A  LYS      3.0    13.0    +      -       -      +
    152A  VAL*     3.5     9.2    -      -       -      +
    154A  ALA*     1.3    74.9    -      -       -      +
    156A  ILE*     1.3    65.4    +      -       -      +
    158A  ALA*     2.9     5.9    +      -       -      +
    159A  ASP*     2.9    38.5    +      -       -      +
    162A  LYS*     5.8     0.6    -      -       -      +
    187A  PRO*     3.7    29.4    -      -       +      -
     13P    C      4.9    16.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 156 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    152A  VAL*     3.0    26.8    +      -       +      +
    153A  PHE*     3.6    23.1    -      -       +      +
    155A  LYS*     1.3    74.9    -      -       -      +
    157A  ALA*     1.3    65.0    +      -       -      +
    159A  ASP*     3.1    12.3    +      -       +      +
    160A  MET*     3.0    43.1    +      -       +      +
    169A  ILE*     4.2     4.9    -      -       +      -
    177A  LEU*     4.5     8.3    -      -       +      -
    181A  LEU*     3.7    33.9    -      -       +      -
    185A  ASP      4.4     6.3    -      -       -      +
    186A  VAL*     4.9     2.5    -      -       +      -
    187A  PRO*     4.0    27.4    -      -       +      -
    205A  LEU*     6.0     0.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 157 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    146A  GLY*     3.9     6.3    -      -       -      -
    147A  ILE      3.9     6.5    -      -       -      +
    153A  PHE      2.8    18.4    +      -       -      +
    154A  ALA      3.4     6.5    -      -       -      +
    155A  LYS      3.2     0.2    -      -       -      -
    156A  ILE*     1.3    76.8    -      -       -      +
    158A  ALA*     1.3    61.2    +      -       -      +
    160A  MET*     3.4     9.4    +      -       -      +
    161A  ALA*     3.3    15.6    +      -       -      +
    167A  LYS*     3.8    32.2    -      -       +      +
    169A  ILE*     3.5    26.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 158 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  PHE*     3.5    31.4    -      -       +      -
     10A  ASP*     4.9     4.7    -      -       +      -
    144A  THR*     3.6    19.8    -      -       +      +
    145A  VAL      4.4     0.7    -      -       -      -
    146A  GLY*     3.9    11.0    -      -       -      +
    154A  ALA      3.0     5.7    +      -       -      +
    155A  LYS      2.9     9.8    +      -       -      +
    157A  ALA*     1.3    73.3    -      -       -      +
    159A  ASP*     1.3    68.7    +      -       -      +
    160A  MET      3.0     1.3    -      -       -      -
    161A  ALA*     2.8    12.8    +      -       -      -
    162A  LYS*     3.1    17.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 159 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  PHE*     5.7     0.2    -      -       -      -
     10A  ASP*     4.9     0.3    -      -       -      +
    155A  LYS*     2.9    40.8    +      -       -      +
    156A  ILE*     3.6    14.7    -      -       +      +
    158A  ALA*     1.3    72.4    -      -       -      +
    160A  MET*     1.3    62.2    +      -       +      +
    161A  ALA      3.5     0.2    +      -       -      -
    162A  LYS*     3.6    40.8    +      -       +      +
    185A  ASP      5.0     6.9    -      -       -      +
    187A  PRO*     5.2     2.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 160 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    156A  ILE*     3.0    20.3    +      -       +      +
    157A  ALA*     3.6    10.3    -      -       -      +
    158A  ALA      2.9     1.0    +      -       -      -
    159A  ASP*     1.3    79.6    -      -       +      +
    161A  ALA*     1.3    57.5    +      -       -      +
    162A  LYS      3.6     2.9    +      -       -      +
    167A  LYS*     3.5    30.1    -      -       +      -
    169A  ILE*     3.2    35.7    -      -       +      -
    173A  GLU*     4.5     1.8    -      -       -      +
    177A  LEU*     4.4    16.2    -      -       +      -
    181A  LEU*     6.1     2.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 161 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    144A  THR*     3.7     9.4    -      -       +      -
    145A  VAL      4.8     0.2    -      -       -      +
    157A  ALA      3.3    13.0    +      -       -      +
    158A  ALA      2.8     3.4    +      -       -      -
    160A  MET*     1.3    77.0    -      -       -      +
    162A  LYS*     1.3    63.8    +      -       -      +
    163A  PRO      3.2    12.5    -      -       -      +
    165A  GLY*     3.4     9.5    -      -       -      -
    166A  ILE      3.6    26.0    -      -       -      +
    167A  LYS*     4.0    14.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 162 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  ASP*     3.1    29.5    +      -       -      -
     12A  ASP*     5.1     1.6    -      -       -      +
     51A  TYR*     3.9     8.3    -      -       -      +
    144A  THR*     3.7    12.6    -      -       -      +
    155A  LYS*     5.8     0.8    -      -       -      +
    158A  ALA*     3.1    17.2    +      -       -      +
    159A  ASP*     3.6    34.8    +      -       -      +
    160A  MET      3.6     3.8    -      -       -      +
    161A  ALA*     1.3    79.8    -      -       -      +
    163A  PRO*     1.3    67.2    -      -       +      +
   1002A   CA      4.1     0.4    -      -       -      -
   1016P  DGT      2.5    48.3    +      -       -      +
----------------------------------------------------------
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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