Contacts of the helix formed by residues 284 - 297 (chain D) in PDB entry 3K6G


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 284 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    396A  PHE*     4.4     4.5    -      -       -      -
    282D  THR*     3.7     6.1    +      -       -      +
    283D  ILE*     1.3    77.9    -      -       -      +
    285D  MSE      1.3    60.7    +      -       -      -
    286D  MSE      3.4     2.5    -      -       -      -
    287D  THR*     3.2    13.7    +      -       -      -
    288D  LEU*     2.9    27.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with MSE 285 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    337A  LEU*     4.2    12.3    -      -       +      -
    396A  PHE*     3.6    54.1    +      -       +      +
    397A  ARG*     3.7    28.7    -      -       -      +
    398A  LYS      5.7     1.1    -      -       -      +
    284D  GLY*     1.3    72.1    -      -       -      -
    286D  MSE      1.3    76.3    +      -       +      +
    288D  LEU*     3.3     5.0    +      -       -      +
    289D  LYS*     3.0    21.5    +      -       -      +
    305D  PHE*     4.0     9.2    -      -       +      -
    309D  ASP*     3.3    40.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with MSE 286 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    306A  VAL*     3.9    19.7    -      -       +      +
    284D  GLY      3.4     0.2    -      -       -      -
    285D  MSE      1.3   100.5    -      -       +      +
    287D  THR*     1.3    65.7    +      -       -      +
    289D  LYS*     3.2    43.0    +      -       +      +
    290D  ALA*     3.0    23.2    +      -       -      +
    305D  PHE*     4.4     4.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 287 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    306A  VAL*     3.8    17.5    -      -       -      +
    310A  GLU*     3.4    51.0    +      -       +      +
    311A  VAL*     4.0     5.9    -      -       +      +
    314A  ALA*     3.8    12.6    -      -       +      -
    283D  ILE*     4.0     7.4    -      -       +      -
    284D  GLY*     3.2    17.0    +      -       -      +
    286D  MSE      1.3    77.0    -      -       -      +
    288D  LEU*     1.3    65.0    +      -       -      +
    290D  ALA*     3.2     5.0    +      -       -      +
    291D  ALA*     2.9    22.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 288 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    318A  ILE*     4.0    22.4    -      -       +      -
    333A  THR*     3.8    14.1    -      -       +      +
    336A  PHE*     3.8    36.8    -      -       +      -
    337A  LEU*     3.6    39.5    -      -       +      +
    341A  GLY*     5.7     0.4    -      -       -      -
    396A  PHE*     4.7     6.5    -      -       +      -
    283D  ILE*     3.8    18.6    -      -       +      +
    284D  GLY      2.9    17.2    +      -       -      +
    285D  MSE      3.5     4.9    -      -       -      +
    287D  THR*     1.3    78.4    -      -       -      +
    289D  LYS*     1.3    57.8    +      -       -      +
    291D  ALA*     3.4     4.5    +      -       -      +
    292D  PHE*     2.9    29.8    +      -       -      +
    305D  PHE*     4.1     3.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 289 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    285D  MSE      3.0     6.0    +      -       -      +
    286D  MSE      3.2    46.5    -      -       +      +
    287D  THR      3.2     0.2    -      -       -      -
    288D  LEU*     1.3    77.2    -      -       -      +
    290D  ALA*     1.3    57.7    +      -       -      +
    292D  PHE*     3.3     1.4    +      -       -      +
    293D  LYS*     2.9    47.5    +      -       +      +
    302D  GLU*     2.6    44.9    +      -       -      -
    305D  PHE*     3.6    35.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 290 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    306A  VAL*     3.9    11.9    -      -       +      -
    311A  VAL*     3.9    24.2    -      -       +      -
    286D  MSE      3.0    16.8    +      -       -      +
    287D  THR      3.2     4.7    +      -       -      +
    289D  LYS*     1.3    75.8    -      -       -      +
    291D  ALA*     1.3    54.1    +      -       -      +
    293D  LYS*     3.4     9.1    +      -       -      +
    294D  THR*     2.7    39.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 291 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    311A  VAL*     3.9    11.4    -      -       +      +
    314A  ALA*     4.0    12.3    -      -       +      -
    315A  ILE*     3.8    18.2    -      -       +      -
    318A  ILE*     3.7    22.9    -      -       +      -
    287D  THR      2.9    16.2    +      -       -      +
    288D  LEU*     3.7     4.5    -      -       -      +
    290D  ALA*     1.3    78.2    -      -       -      +
    292D  PHE*     1.3    62.3    +      -       -      +
    294D  THR*     3.3     1.6    +      -       -      -
    295D  LEU*     2.9    31.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 292 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    318A  ILE*     4.9     1.3    -      -       -      +
    329A  LEU*     3.7    31.5    -      -       +      +
    330A  SER*     3.9    13.2    -      -       -      -
    333A  THR*     3.5    28.7    -      -       +      +
    288D  LEU      2.9    17.9    +      -       -      +
    289D  LYS      3.6     3.4    -      -       -      +
    291D  ALA*     1.3    77.8    -      -       -      +
    293D  LYS*     1.3    57.1    +      -       +      +
    296D  SER*     2.8    45.7    +      -       -      -
    301D  SER*     3.4    30.1    -      -       -      -
    304D  ALA*     4.1    15.3    -      -       +      -
    305D  PHE*     3.8    31.6    -      +       +      -
    308D  LEU*     3.8    22.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 293 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    289D  LYS*     2.9    37.3    +      -       +      +
    290D  ALA*     3.8     7.2    -      -       -      +
    292D  PHE*     1.3    79.0    -      -       +      +
    294D  THR*     1.3    64.5    +      -       -      +
    296D  SER*     3.8     0.9    -      -       -      -
    297D  GLY*     3.3    18.7    +      -       -      -
    298D  ALA      4.9     0.3    +      -       -      +
    301D  SER*     3.7    38.3    +      -       -      +
    302D  GLU*     2.9    35.8    +      -       -      +
    305D  PHE*     5.6     0.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 294 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    311A  VAL*     4.3     7.1    -      -       -      +
    315A  ILE*     3.8    23.3    -      -       +      -
    290D  ALA*     2.7    23.6    +      -       -      +
    291D  ALA      3.6     4.3    -      -       -      -
    293D  LYS*     1.3    79.7    -      -       -      +
    295D  LEU*     1.3    63.5    +      -       +      +
    297D  GLY*     3.8     7.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 295 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    315A  ILE*     3.7    38.6    -      -       +      -
    318A  ILE*     3.8    32.3    -      -       +      -
    319A  ARG*     4.2    20.4    -      -       +      +
    322A  MSE      4.3     5.6    -      -       +      -
    329A  LEU*     3.9    21.9    -      -       +      +
    291D  ALA      2.9    19.0    +      -       -      +
    294D  THR*     1.3    77.4    -      -       +      +
    296D  SER*     1.3    66.2    +      -       -      +
    297D  GLY*     3.5     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 296 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    329A  LEU*     3.5    15.2    -      -       -      +
    292D  PHE*     2.8    32.3    +      -       -      -
    293D  LYS      3.8     4.3    -      -       -      -
    294D  THR      3.3     0.2    -      -       -      -
    295D  LEU*     1.3    75.2    -      -       -      +
    297D  GLY*     1.3    62.1    +      -       -      +
    298D  ALA*     3.4    22.0    +      -       -      +
    301D  SER*     3.9    16.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 297 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    293D  LYS      3.3    10.7    +      -       -      -
    294D  THR      3.8     6.2    +      -       -      -
    295D  LEU      3.4     1.8    -      -       -      -
    296D  SER*     1.3    79.1    -      -       -      +
    298D  ALA*     1.3    58.4    +      -       -      +
    299D  GLN      4.4     0.2    +      -       -      -
----------------------------------------------------------
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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