Contacts of the helix formed by residues 182 - 195 (chain D) in PDB entry 3LSG


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 182 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222A  TYR*     3.8    36.6    -      -       -      +
    233A  VAL*     6.5     0.2    -      -       -      -
    184B  GLY*     3.7    20.4    +      -       -      -
    188B  ILE*     5.3     2.9    -      -       -      +
    181D  LEU*     1.3    76.8    -      -       -      +
    183D  SER*     1.3    59.2    +      -       -      +
    184D  GLY      3.7     3.2    +      -       -      -
    185D  TYR*     3.2    17.1    +      -       -      +
    186D  LEU*     2.9    25.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 183 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222A  TYR*     4.9     2.4    -      -       -      -
    231C  GLU*     4.0    20.4    +      -       -      +
    232C  ASP*     4.4     1.4    -      -       -      +
    172D  LEU*     3.9    17.9    -      -       -      +
    173D  SER*     4.1    17.7    +      -       -      -
    176D  SER*     3.2    17.2    +      -       -      -
    182D  SER*     1.3    70.4    -      -       -      +
    184D  GLY*     1.3    60.6    +      -       -      +
    186D  LEU*     4.3     2.5    -      -       -      -
    187D  SER*     2.9    32.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 184 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    182B  SER*     3.8    18.3    +      -       -      -
    184B  GLY*     4.3     4.2    -      -       -      -
    185B  TYR*     3.6    19.6    -      -       -      +
    232C  ASP*     5.8     1.3    -      -       -      -
    182D  SER*     3.2     5.3    +      -       -      -
    183D  SER*     1.3    79.7    -      -       -      +
    185D  TYR*     1.3    62.9    +      -       -      +
    187D  SER*     3.8     6.2    -      -       -      -
    188D  ILE*     3.6    11.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 185 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    184B  GLY      3.7    10.8    -      -       -      +
    185B  TYR*     3.5    38.7    -      +       -      +
    188B  ILE*     3.5    33.9    -      -       +      -
    189B  MSE      4.4     6.7    -      -       +      -
    181D  LEU*     4.1    18.2    -      -       +      -
    182D  SER*     3.2    17.8    +      -       -      +
    184D  GLY*     1.3    73.8    -      -       -      +
    186D  LEU*     1.3    67.9    +      -       -      +
    188D  ILE*     3.2     6.9    +      -       -      +
    189D  MSE      3.1    50.2    +      -       +      +
    215E  LEU      3.4    10.3    +      -       -      -
    216E  THR*     3.3    39.3    +      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 186 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    157D  ILE*     4.8     2.2    -      -       +      -
    172D  LEU*     3.7    20.9    -      -       +      -
    175D  LEU*     3.6    32.3    -      -       +      -
    176D  SER*     3.4    28.3    -      -       -      +
    179D  LEU*     3.8    14.8    -      -       +      -
    181D  LEU*     4.5     5.4    -      -       +      +
    182D  SER      2.9    20.2    +      -       -      +
    183D  SER*     4.1     2.5    -      -       -      +
    185D  TYR*     1.3    79.6    -      -       -      +
    187D  SER*     1.3    56.3    +      -       -      +
    189D  MSE      3.6    25.6    -      -       +      +
    190D  PHE*     2.7    48.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 187 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    232C  ASP*     2.7    42.8    +      -       -      +
    233C  VAL*     4.1     2.2    +      -       -      +
    234C  ASN*     3.5    17.8    +      -       -      +
    172D  LEU*     4.9     6.7    -      -       -      +
    183D  SER      2.9    20.6    +      -       -      -
    184D  GLY*     3.8     7.2    -      -       -      -
    186D  LEU*     1.3    78.8    -      -       -      +
    188D  ILE*     1.3    66.4    +      -       -      +
    190D  PHE*     4.0     4.0    -      -       -      +
    191D  LYS*     3.4    18.7    +      -       -      +
    197D  PRO*     5.9     1.6    -      -       -      +
    198D  PHE*     6.0     0.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 188 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181B  LEU*     5.7     6.7    -      -       +      -
    182B  SER*     5.7     0.2    -      -       -      +
    185B  TYR*     3.4    52.3    -      -       +      +
    233C  VAL*     4.3    15.5    -      -       +      -
    234C  ASN*     3.9    24.2    -      -       -      +
    184D  GLY      3.6    11.2    -      -       -      +
    185D  TYR      3.2     1.2    +      -       -      +
    187D  SER*     1.3    80.6    -      -       -      +
    189D  MSE      1.3    65.9    +      -       -      +
    191D  LYS*     3.3     5.7    +      -       -      +
    192D  LYS*     3.0    22.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with MSE 189 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185B  TYR*     5.5     1.1    -      -       +      -
    153D  ALA*     5.7     1.6    -      -       -      -
    157D  ILE*     3.9    24.5    -      -       +      -
    179D  LEU*     4.5     1.1    -      -       +      -
    181D  LEU*     3.9    21.8    -      -       +      -
    185D  TYR*     3.1    32.8    +      -       +      +
    186D  LEU*     3.6    24.5    -      -       +      +
    188D  ILE*     1.3    77.0    -      -       -      +
    190D  PHE*     1.3    67.4    +      -       -      +
    192D  LYS*     3.3    12.0    +      -       +      +
    193D  ASN*     2.9    47.4    +      -       -      +
    215E  LEU*     3.6    35.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 190 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    157D  ILE*     4.0    11.4    -      -       +      -
    161D  ILE*     4.0    18.4    -      -       +      -
    175D  LEU*     4.6     5.2    -      -       +      -
    186D  LEU*     2.7    30.6    +      -       +      +
    187D  SER*     4.0     4.5    -      -       -      +
    189D  MSE      1.3    79.2    -      -       -      +
    191D  LYS*     1.3    58.1    +      -       -      +
    193D  ASN*     3.0     2.3    +      -       -      -
    194D  PHE*     2.8    76.2    +      +       +      -
    196D  ILE      3.2    24.9    -      -       -      -
    197D  PRO*     3.8     1.6    -      -       +      -
    198D  PHE*     3.4    38.6    -      +       +      +
    201D  TYR*     3.7    24.5    -      +       +      -
----------------------------------------------------------
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Residues in contact with LYS 191 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    234C  ASN*     2.8    35.5    +      -       -      +
    238C  THR*     4.2    15.4    -      -       -      +
    187D  SER      3.4     8.2    +      -       -      +
    188D  ILE      3.3     8.4    +      -       -      +
    190D  PHE*     1.3    79.5    -      -       -      +
    192D  LYS*     1.3    60.2    +      -       -      +
    195D  GLY*     2.7    55.7    +      -       -      +
    196D  ILE      3.9    15.0    -      -       -      +
    197D  PRO*     4.5    12.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 192 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185B  TYR*     5.9     0.6    +      -       -      -
    192B  LYS*     6.2     2.2    -      -       -      +
    188D  ILE*     3.0    16.7    +      -       +      +
    189D  MSE      3.4    17.7    -      -       +      +
    190D  PHE      3.1     0.2    -      -       -      -
    191D  LYS*     1.3    77.8    -      -       -      +
    193D  ASN*     1.3    69.5    +      -       -      +
    195D  GLY*     4.5     1.0    +      -       -      -
    218E  GLU*     4.4    27.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 193 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    151D  SER*     3.4    22.5    +      -       -      -
    153D  ALA*     4.6     6.3    -      -       -      +
    154D  LYS*     3.8    31.6    +      -       +      +
    157D  ILE*     5.7     0.4    -      -       -      -
    189D  MSE      2.9    48.4    +      -       -      +
    190D  PHE*     3.0     4.2    +      -       -      +
    192D  LYS*     1.3    87.3    -      -       -      +
    194D  PHE*     1.3    76.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 194 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    154D  LYS*     3.7    41.1    -      -       +      +
    157D  ILE*     3.7    28.9    -      -       +      -
    158D  GLN*     3.8    21.5    -      -       +      -
    190D  PHE*     2.8    61.9    +      +       +      +
    193D  ASN*     1.3    83.7    -      -       +      +
    195D  GLY*     1.3    58.4    +      -       -      +
    196D  ILE*     3.2    16.1    +      -       +      +
    201D  TYR*     3.7    34.1    -      +       +      -
----------------------------------------------------------
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Residues in contact with GLY 195 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    191D  LYS*     2.7    43.1    +      -       -      -
    192D  LYS      4.5     0.8    +      -       -      -
    193D  ASN      3.7     0.8    -      -       -      -
    194D  PHE*     1.3    71.1    -      -       -      +
    196D  ILE*     1.3    65.1    +      -       -      +
----------------------------------------------------------
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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