Contacts of the strand formed by residues 338 - 343 (chain B) in PDB entry 2W8D


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 THR 338 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    336B  ASN      3.5     4.2    +      -       -      -
    337B  TYR*     1.3    73.1    -      -       -      +
    339B  SER*     1.3    68.3    +      -       -      +
    362B  ASP*     3.7    16.2    -      -       +      +
    363B  LYS*     4.7    14.6    -      -       +      -
    398B  LEU*     4.7     8.7    -      -       +      +
    399B  PRO*     3.3    46.9    +      -       +      +
    401B  PRO      3.0     5.3    +      -       -      -
    402B  PHE*     3.1     9.9    -      -       -      +
    403B  TYR      2.9    22.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 339 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    329B  PRO*     3.8    24.1    -      -       -      +
    333B  LYS*     4.0     1.7    +      -       -      -
    337B  TYR      4.0     1.3    +      -       -      -
    338B  THR*     1.3    76.3    -      -       -      +
    340B  ALA*     1.3    61.6    +      -       -      +
    360B  GLY      3.2     7.6    +      -       -      -
    361B  ILE*     3.2    12.8    -      -       -      -
    362B  ASP*     3.0    39.2    +      -       -      +
    363B  LYS*     2.9    25.1    +      -       -      +
    403B  TYR*     3.1    18.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 340 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    338B  THR*     6.0     0.2    -      -       +      -
    339B  SER*     1.3    77.2    -      -       -      +
    341B  THR*     1.3    61.3    +      -       -      +
    342B  PHE*     4.0     6.6    -      -       +      -
    361B  ILE*     3.8     3.9    -      -       -      +
    363B  LYS*     3.0    15.7    -      -       +      +
    365B  PHE*     3.8    26.5    -      -       +      -
    398B  LEU*     3.9    20.9    -      -       +      -
    403B  TYR      3.2     5.1    +      -       -      +
    404B  THR*     3.2     7.8    -      -       +      +
    405B  LYS*     3.1    23.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 341 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    340B  ALA*     1.3    73.2    -      -       -      +
    342B  PHE*     1.3    65.5    +      -       -      +
    343B  HIS*     4.8     1.1    -      -       +      -
    352B  ARG*     5.9     0.2    -      -       -      -
    356B  TYR*     3.3    45.8    -      -       +      +
    361B  ILE*     3.7    10.6    -      -       -      +
    363B  LYS      2.8     8.2    +      -       -      -
    364B  PHE*     3.5    10.8    -      -       +      -
    365B  PHE*     2.7    36.1    +      -       -      +
    405B  LYS*     3.5    28.5    -      -       +      +
    407B  ILE*     3.9    17.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 342 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    340B  ALA*     4.0    10.5    -      -       +      -
    341B  THR*     1.3    74.1    -      -       -      +
    343B  HIS*     1.3    62.4    +      -       -      +
    365B  PHE*     3.2    40.6    -      +       +      -
    370B  TYR*     3.3    22.9    -      -       -      +
    387B  PHE*     3.5     6.2    -      -       +      -
    391B  SER*     4.0    13.2    -      -       -      -
    394B  LEU*     3.8    19.1    -      -       +      -
    395B  LEU*     4.1    18.4    -      -       +      -
    398B  LEU*     4.5     1.6    -      -       +      -
    404B  THR*     3.8    18.6    -      -       +      -
    405B  LYS      2.9    12.3    +      -       -      +
    406B  PHE*     3.5    48.5    -      +       +      -
    407B  ILE      3.1    25.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with HIS 343 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    297B  TPO      6.2     0.4    -      -       -      -
    341B  THR*     4.8     1.1    -      -       +      -
    342B  PHE*     1.3    74.0    -      -       -      +
    344B  GLY*     1.3    58.7    +      -       -      +
    345B  ASN*     3.1    40.2    +      -       +      +
    346B  THR      4.6     3.8    -      -       -      -
    352B  ARG*     2.9    33.7    +      -       -      +
    364B  PHE*     4.1    18.2    -      +       +      -
    365B  PHE      2.9     7.3    +      -       -      +
    366B  ASP*     3.2    23.9    -      -       -      -
    370B  TYR*     3.8     1.8    -      -       -      -
    387B  PHE*     3.7     9.6    -      -       -      -
    407B  ILE*     3.0    44.8    +      -       +      +
    408B  THR      4.7     0.2    -      -       -      -
    409B  LEU*     3.5    33.0    -      -       +      +
----------------------------------------------------------
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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