Contacts of the helix formed by residues 76 - 88 (chain L) in PDB entry 3LUE


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 GLY 76 (chain L).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     73L  PHE      3.0    18.0    +      -       -      -
     74L  ARG      3.2     1.4    +      -       -      -
     75L  ASN*     1.3    77.0    +      -       -      +
     77L  LEU*     1.3    58.0    +      -       -      +
     78L  LYS      3.6     1.6    -      -       -      -
     79L  LEU*     3.4    10.7    -      -       -      +
     80L  MET*     2.9    36.8    +      -       -      +
    106L  ASN*     4.6     2.0    -      -       -      -
    107L  VAL*     3.7    21.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 77 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     75L  ASN*     2.9    40.3    +      -       +      +
     76L  GLY*     1.3    70.5    -      -       -      +
     78L  LYS*     1.3    62.8    +      -       +      +
     80L  MET*     3.1     8.2    +      -       -      +
     81L  LEU*     2.9    26.9    +      -       -      +
     94L  PRO*     3.8    31.9    -      -       +      -
     95L  ASP      5.1     1.8    -      -       -      +
    106L  ASN*     4.1    15.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 78 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     59L  LEU*     3.6     8.8    -      -       +      +
     64L  THR*     2.8    30.4    +      -       +      +
     65L  GLN      2.8    29.7    +      -       -      +
     66L  ILE*     3.9    13.4    -      -       +      +
     72L  ASP*     4.1    15.7    +      -       +      +
     73L  PHE*     3.6    18.0    -      -       +      -
     75L  ASN*     4.3     2.1    +      -       -      +
     77L  LEU*     1.3    77.6    -      -       +      +
     79L  LEU*     1.3    59.4    +      -       -      +
     81L  LEU*     3.6    11.9    -      -       +      -
     82L  LEU*     2.8    29.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 79 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     73L  PHE*     3.6    24.5    -      -       +      +
     76L  GLY*     3.3    16.7    +      -       -      +
     77L  LEU      3.1     0.4    -      -       -      -
     78L  LYS*     1.3    78.3    -      -       -      +
     80L  MET*     1.3    62.1    +      -       -      +
     82L  LEU*     3.4     4.8    +      -       +      +
     83L  LEU*     3.2    25.6    +      -       +      +
    107L  VAL*     4.7     8.7    -      -       +      -
    110L  ALA*     3.7    22.7    -      -       +      -
    129L  ILE*     4.5    11.7    -      -       +      -
    140L  MET*     3.5    43.7    -      -       +      -
    141L  ILE*     4.3     9.2    -      -       +      -
    144L  ILE*     3.9    23.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 80 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76L  GLY      2.9    25.8    +      -       -      +
     77L  LEU*     3.1     5.6    +      -       -      +
     79L  LEU*     1.3    75.2    -      -       -      +
     81L  LEU*     1.3    64.5    +      -       -      +
     83L  LEU*     3.2     5.3    +      -       -      +
     84L  GLU*     3.1    31.8    +      -       -      +
     91L  LEU*     4.0    24.9    -      -       +      +
     92L  PRO      3.1    27.6    -      -       -      +
     94L  PRO*     4.3    18.6    -      -       +      -
    106L  ASN*     3.5    36.1    -      -       -      +
    109L  LYS*     3.8    23.3    -      -       +      -
    110L  ALA*     4.1    10.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 81 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     59L  LEU*     4.3     4.3    -      -       +      -
     62L  ALA*     3.9    26.0    -      -       +      +
     64L  THR*     3.9    29.2    -      -       +      -
     77L  LEU      2.9    17.4    +      -       -      +
     78L  LYS*     3.6    13.7    -      -       +      +
     80L  MET*     1.3    77.0    -      -       -      +
     82L  LEU*     1.3    62.1    +      -       -      +
     84L  GLU*     3.3    19.0    +      -       -      +
     85L  VAL*     3.0    28.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 82 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54L  TRP*     4.1    14.8    -      -       +      -
     55L  CYS*     3.7    39.0    -      -       +      +
     58L  HIS*     3.8    28.3    -      -       +      -
     59L  LEU*     3.6    13.4    -      -       +      +
     73L  PHE*     4.3    10.1    -      -       +      -
     78L  LYS      2.8    22.2    +      -       -      +
     79L  LEU*     3.5    10.5    -      -       +      +
     80L  MET      3.2     0.2    -      -       -      -
     81L  LEU*     1.3    74.8    -      -       -      +
     83L  LEU*     1.3    58.7    +      -       +      +
     85L  VAL*     3.3     3.1    +      -       -      +
     86L  ILE*     3.1    42.4    +      -       +      +
    141L  ILE*     4.3     9.4    -      -       +      -
    144L  ILE*     4.9     6.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 83 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     79L  LEU*     3.2    15.7    +      -       +      +
     80L  MET      3.2     6.9    +      -       -      +
     82L  LEU*     1.3    75.5    -      -       +      +
     84L  GLU*     1.3    62.9    +      -       -      +
     86L  ILE*     3.7     4.0    -      -       +      +
     87L  SER*     2.8    31.5    +      -       -      -
     91L  LEU*     4.0    13.9    -      -       +      -
    110L  ALA*     3.6    40.4    -      -       +      +
    113L  PHE*     4.1    11.2    -      -       +      -
    114L  ILE*     4.0    13.0    -      -       +      -
    144L  ILE*     3.8    30.7    -      -       +      -
    148L  PHE*     3.9    28.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 84 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     80L  MET*     3.1    19.5    +      -       -      +
     81L  LEU*     3.3    24.4    +      -       +      +
     83L  LEU*     1.3    75.5    -      -       -      +
     85L  VAL*     1.3    58.6    +      -       +      +
     87L  SER*     4.0     1.3    -      -       -      -
     88L  GLY*     2.8    30.8    +      -       -      -
     89L  GLU      3.3    22.0    +      -       -      +
     90L  ARG*     3.4    39.2    +      -       -      +
     91L  LEU*     3.0    35.8    +      -       +      +
     92L  PRO      5.0     0.5    -      -       -      +
     93L  ARG*     3.5    14.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 85 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     58L  HIS*     3.6    42.4    -      -       +      +
     59L  LEU*     5.0     1.3    -      -       -      -
     61L  LYS*     4.6    14.6    -      -       +      +
     62L  ALA*     3.9    28.9    -      -       +      +
     81L  LEU*     3.0    20.1    +      -       +      +
     82L  LEU*     3.5    10.8    -      -       -      +
     84L  GLU*     1.3    81.0    -      -       +      +
     86L  ILE*     1.3    63.4    +      -       +      +
     87L  SER      3.5     0.2    +      -       -      -
     88L  GLY*     3.7     5.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 86 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54L  TRP*     4.1    10.5    -      -       +      -
     58L  HIS*     3.5    45.3    -      -       +      +
     82L  LEU*     3.1    24.7    +      -       +      +
     83L  LEU*     3.7    11.4    -      -       +      +
     85L  VAL*     1.3    76.8    -      -       -      +
     87L  SER*     1.3    61.0    +      -       -      +
    144L  ILE*     3.5    26.5    -      -       +      -
    148L  PHE*     3.4    44.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 87 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     83L  LEU      2.8    22.8    +      -       -      -
     84L  GLU*     3.8     0.7    +      -       -      -
     86L  ILE*     1.3    77.5    -      -       -      +
     88L  GLY*     1.3    61.5    +      -       -      +
     89L  GLU*     3.0    37.1    +      -       -      +
    113L  PHE*     3.7    12.0    -      -       -      -
    148L  PHE*     3.8    26.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 88 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     84L  GLU      2.8    14.1    +      -       -      -
     85L  VAL      3.7     4.8    +      -       -      -
     86L  ILE      3.5     1.4    -      -       -      -
     87L  SER*     1.3    77.9    -      -       -      +
     89L  GLU*     1.3    61.1    +      -       -      +
     90L  ARG*     5.2     3.7    -      -       -      -
----------------------------------------------------------
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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