Contacts of the helix formed by residues 142 - 152 (chain E) in PDB entry 6N0M


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 142 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    110E  SER*     5.3     0.8    -      -       -      -
    136E  PHE*     3.4    15.1    -      -       -      -
    140E  GLY      3.3     4.5    +      -       -      +
    141E  GLY*     1.3    68.7    -      -       -      -
    143E  PRO*     1.4    76.3    -      -       -      +
    144E  GLU*     2.9    22.4    +      -       -      +
    145E  TRP*     3.0    45.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with PRO 143 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    136E  PHE*     4.6     1.3    -      -       +      -
    137E  LEU*     3.9    26.2    -      -       +      -
    141E  GLY      3.2     8.4    -      -       -      +
    142E  ASP*     1.4    90.3    -      -       -      +
    144E  GLU*     1.3    62.3    +      -       -      +
    145E  TRP      3.1     0.2    -      -       -      -
    146E  LEU*     2.9    22.2    +      -       -      +
    147E  LEU*     4.0     4.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 144 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    142E  ASP*     2.9    20.2    +      -       -      +
    143E  PRO*     1.3    77.9    -      -       -      +
    145E  TRP*     1.3    57.6    +      -       +      +
    147E  LEU*     2.7    58.5    +      -       +      +
    151E  ARG*     3.7    35.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with TRP 145 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    110E  SER*     4.9     3.6    -      -       -      -
    111E  TRP*     3.6    29.4    -      +       -      -
    114E  TYR*     2.9    51.6    +      +       +      +
    136E  PHE*     3.5    30.5    -      +       +      -
    142E  ASP*     3.0    39.5    +      -       +      +
    144E  GLU*     1.3    78.2    -      -       +      +
    146E  LEU*     1.3    60.7    +      -       -      +
    148E  GLY*     3.0    17.3    +      -       -      +
    151E  ARG*     3.5    21.8    +      -       -      -
    152E  ALA*     3.9     4.0    -      -       -      -
    153E  PRO*     3.4    40.3    -      -       +      +
    156E  LEU*     4.3     5.8    -      -       +      -
    315E  PHE*     3.8     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 146 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114E  TYR*     4.3     4.0    -      -       +      -
    117E  ILE*     3.8    16.8    -      -       +      -
    133E  MET*     3.5    44.6    -      -       +      +
    136E  PHE*     3.3    29.6    -      -       +      -
    137E  LEU*     3.6    38.4    -      -       +      -
    143E  PRO*     2.9    14.7    +      -       +      +
    145E  TRP*     1.3    77.1    -      -       -      +
    147E  LEU*     1.3    62.0    +      -       +      +
    148E  GLY      3.2     0.4    -      -       -      -
    311E  ASP*     5.3     2.3    -      -       -      +
    314E  CYS*     5.5     0.2    -      -       -      +
    315E  PHE*     3.3    19.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 147 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    143E  PRO      4.6     2.2    -      -       -      +
    144E  GLU*     2.7    40.9    +      -       +      +
    146E  LEU*     1.3    73.3    -      -       -      +
    148E  GLY*     1.3    56.1    +      -       -      +
    150E  HIS*     3.9    11.3    -      -       -      +
    151E  ARG*     3.5    40.4    -      -       +      +
    314E  CYS*     3.9    15.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 148 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114E  TYR*     3.4     4.0    +      -       -      -
    145E  TRP      3.0    16.9    +      -       -      +
    146E  LEU      3.2     0.6    -      -       -      -
    147E  LEU*     1.3    81.4    -      -       -      +
    149E  LEU*     1.3    66.5    +      -       -      -
    150E  HIS*     3.3    12.3    +      -       -      -
    151E  ARG*     3.1    15.3    +      -       -      +
    152E  ALA      3.8     1.2    +      -       -      -
    314E  CYS*     3.2    17.7    -      -       -      -
    315E  PHE*     4.3     3.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 149 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114E  TYR*     3.6    18.1    +      -       +      +
    118E  MET*     3.7    36.6    -      -       +      -
    148E  GLY*     1.3    72.4    -      -       -      -
    150E  HIS*     1.3    54.8    +      -       -      +
    152E  ALA*     2.8    32.6    +      -       +      +
    157E  ARG*     3.8    26.7    -      -       +      +
    160E  SER*     3.2    25.4    -      -       -      +
    314E  CYS      2.6    18.2    +      -       -      +
    315E  PHE*     3.3    24.4    -      -       -      +
    316E  VAL*     4.0    12.1    -      -       -      +
    317E  GLU*     4.5     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 150 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    147E  LEU*     3.9     8.6    +      -       -      +
    148E  GLY*     3.8    22.7    -      -       -      -
    149E  LEU*     1.3    78.5    +      -       -      +
    151E  ARG*     1.3    96.6    +      -       +      +
    152E  ALA      3.4     1.7    +      -       -      +
    157E  ARG*     4.1    26.9    +      -       -      +
    314E  CYS*     4.6     6.9    +      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 151 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    144E  GLU*     3.7    49.5    +      -       +      +
    145E  TRP*     3.5    14.4    +      -       -      -
    147E  LEU*     3.5    29.4    -      -       +      +
    148E  GLY      3.1    10.8    +      -       -      +
    149E  LEU      2.9     1.6    +      -       -      -
    150E  HIS*     1.3   103.4    +      -       +      +
    152E  ALA*     1.3    64.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 152 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114E  TYR*     3.8    34.1    -      -       +      +
    145E  TRP*     3.9     6.7    -      -       +      -
    148E  GLY      3.8     1.4    +      -       -      -
    149E  LEU*     2.8    19.0    +      -       +      +
    150E  HIS      4.2     0.3    -      -       -      +
    151E  ARG*     1.3    83.5    -      -       -      +
    153E  PRO*     1.3    83.1    -      -       +      +
    156E  LEU*     4.5     2.9    -      -       +      -
    157E  ARG*     3.5    17.5    +      -       -      +
----------------------------------------------------------
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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