Contacts of the helix formed by residues 391 - 402 (chain N) in PDB entry 3L73


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 SER 391 (chain N).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8N  LEU      5.9     0.9    -      -       -      -
     11N  ILE*     6.5     2.0    -      -       -      -
    389N  ARG*     4.0    13.8    +      -       -      +
    390N  ILE*     1.3    77.3    -      -       -      +
    392N  LEU*     1.3    61.9    +      -       -      +
    393N  GLU*     3.5    14.9    +      -       -      +
    394N  GLU*     2.8    34.9    +      -       -      +
    395N  TRP*     2.9    13.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 392 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8N  LEU*     3.5    23.1    -      -       +      -
     11N  ILE*     4.3    16.9    -      -       +      +
    365N  MET*     3.7    37.5    -      -       +      +
    366N  VAL*     3.9    23.8    -      -       +      -
    369N  LEU*     3.4    37.9    -      -       +      -
    389N  ARG*     5.3     2.3    -      -       -      +
    390N  ILE      4.0     0.4    +      -       -      +
    391N  SER*     1.3    72.6    -      -       -      +
    393N  GLU*     1.3    65.9    +      -       -      +
    395N  TRP*     3.7    11.6    -      -       +      +
    396N  ASP*     2.8    27.5    +      -       -      +
     43O  PRO*     4.4     6.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 393 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5N  ALA      5.1     0.7    -      -       -      +
      8N  LEU*     3.9    32.5    +      -       +      +
      9N  GLN*     3.1    42.6    +      -       -      +
     11N  ILE*     5.9     0.2    -      -       -      +
    391N  SER*     3.5    12.0    +      -       -      +
    392N  LEU*     1.3    80.1    -      -       -      +
    394N  GLU*     1.3    60.2    +      -       -      +
    396N  ASP*     3.8     2.9    -      -       -      +
    397N  SER*     3.3    18.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 394 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    388N  ARG*     3.2    39.6    +      -       -      -
    389N  ARG      4.7     0.2    -      -       -      +
    390N  ILE*     3.3    20.2    -      -       +      +
    391N  SER*     2.8    19.1    +      -       -      +
    393N  GLU*     1.3    77.1    -      -       -      +
    395N  TRP*     1.3    68.0    +      -       -      +
    396N  ASP      2.9     1.3    -      -       -      -
    397N  SER*     2.6    22.2    +      -       -      +
    398N  ARG*     3.1    38.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with TRP 395 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    268N  VAL*     4.0    22.0    -      -       +      -
    365N  MET*     3.6    26.7    -      -       +      -
    382N  HIS*     3.9    18.1    +      +       -      -
    386N  TYR*     3.7    32.8    -      +       -      -
    390N  ILE*     3.8    36.1    -      -       +      -
    391N  SER      2.9    14.1    +      -       -      -
    392N  LEU*     3.7    21.1    -      -       +      +
    394N  GLU*     1.3    76.3    -      -       -      +
    396N  ASP*     1.3    56.9    +      -       -      +
    398N  ARG*     3.2    28.2    +      -       -      +
    399N  ILE*     2.8    38.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 396 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4N  TYR*     2.5    42.2    +      -       -      +
      8N  LEU*     4.0    11.2    -      -       +      -
    362N  ARG*     3.1    16.6    +      -       -      -
    365N  MET*     4.4     4.7    -      -       +      -
    392N  LEU      2.8    17.5    +      -       -      +
    393N  GLU      3.8     5.4    -      -       -      +
    394N  GLU      2.9     0.4    +      -       -      -
    395N  TRP*     1.3    75.1    -      -       -      +
    397N  SER*     1.3    63.7    +      -       -      +
    399N  ILE*     3.9     7.5    -      -       -      +
    400N  SER*     2.7    42.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 397 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    393N  GLU      3.3    11.3    +      -       -      -
    394N  GLU*     2.6    20.1    +      -       -      -
    396N  ASP*     1.3    77.8    -      -       -      +
    398N  ARG*     1.3    61.8    +      -       -      +
    400N  SER*     3.6     5.0    +      -       -      -
    401N  ALA*     3.5    18.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 398 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    265N  PRO*     4.3    26.1    -      -       -      +
    268N  VAL*     4.3    18.7    -      -       +      +
    388N  ARG*     4.7     6.3    -      -       -      +
    390N  ILE*     5.7     1.4    -      -       -      +
    394N  GLU*     3.1    37.2    +      -       +      +
    395N  TRP*     3.5    34.4    -      -       -      +
    397N  SER*     1.3    76.8    -      -       -      +
    399N  ILE*     1.3    65.4    +      -       -      +
    401N  ALA*     3.1    19.8    +      -       -      +
    402N  VAL*     3.5    11.6    -      -       -      +
    406N  MET*     5.1     0.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 399 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    268N  VAL*     3.9    16.2    -      -       +      -
    272N  VAL*     4.8     1.3    -      -       +      -
    358N  LYS*     3.2    42.7    -      -       +      +
    361N  LEU*     3.4    40.6    -      -       +      -
    362N  ARG*     4.4    16.4    -      -       +      +
    365N  MET*     4.1    24.0    -      -       +      -
    395N  TRP*     2.8    24.7    +      -       +      +
    396N  ASP*     3.9     5.6    -      -       -      +
    398N  ARG*     1.3    75.8    -      -       -      +
    400N  SER*     1.3    61.6    +      -       -      +
    401N  ALA      3.4     0.7    +      -       -      -
    402N  VAL*     3.4    13.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 400 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    358N  LYS*     3.3    23.4    +      -       -      +
    362N  ARG*     3.3    18.9    +      -       -      +
    396N  ASP*     2.7    31.7    +      -       -      -
    397N  SER*     3.9     5.8    -      -       -      -
    398N  ARG      3.2     0.2    -      -       -      -
    399N  ILE*     1.3    76.9    -      -       -      +
    401N  ALA*     1.3    61.0    +      -       -      +
    402N  VAL      3.2     0.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 401 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    397N  SER      3.5    10.8    +      -       -      +
    398N  ARG*     3.1    14.4    +      -       -      +
    400N  SER*     1.3    78.6    -      -       -      +
    402N  VAL*     1.3    63.1    +      -       -      +
    403N  ASP*     3.7     7.8    +      -       -      +
    406N  MET*     4.1    13.3    -      -       +      +
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Residues in contact with VAL 402 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    268N  VAL*     4.3     6.7    -      -       +      -
    269N  VAL*     4.1    13.0    -      -       +      -
    272N  VAL*     4.1    26.5    -      -       +      -
    354N  VAL*     5.0     0.8    -      -       +      +
    358N  LYS*     3.1    30.8    +      -       +      +
    398N  ARG      3.5    15.0    -      -       -      +
    399N  ILE*     3.5    15.3    -      -       -      +
    400N  SER      3.2     1.1    -      -       -      +
    401N  ALA*     1.3    79.1    -      -       -      +
    403N  ASP*     1.3    65.2    +      -       -      +
    406N  MET*     3.1    28.5    -      -       +      -
    407N  VAL*     3.7    26.0    -      -       +      -
----------------------------------------------------------
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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