Contacts of the strand formed by residues 449 - 453 (chain A) in PDB entry 2WOK


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 LEU 449 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    306A  PHE      4.0     0.2    -      -       -      +
    307A  VAL*     3.2     7.4    -      -       -      -
    308A  ALA*     2.8    32.7    +      -       +      +
    310A  GLN*     3.5    28.3    -      -       +      +
    395A  ILE*     4.6     0.2    -      -       -      -
    396A  GLY*     3.5    12.8    -      -       -      +
    425A  LEU*     5.1     1.3    -      -       +      -
    430A  TYR*     4.5     2.9    -      -       -      +
    435A  ALA*     4.2    21.8    -      -       +      +
    441A  VAL*     4.1    19.5    -      -       +      -
    446A  LEU*     3.7    36.6    -      -       +      +
    448A  LEU*     1.3    74.3    -      -       -      +
    450A  VAL*     1.3    64.3    +      -       -      +
    451A  THR*     4.0     1.2    +      -       -      +
    482A  LEU*     4.0    31.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 450 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    305A  HIS*     3.5    25.8    -      -       +      -
    306A  PHE      3.8     3.8    -      -       -      +
    307A  VAL*     4.5     9.2    -      -       +      +
    395A  ILE*     3.6    28.0    -      -       +      -
    396A  GLY      3.1    10.7    +      -       -      +
    397A  THR*     3.9    14.8    -      -       -      +
    402A  PHE*     3.7    30.4    -      -       +      +
    405A  VAL*     4.0     9.0    -      -       +      -
    406A  ALA*     4.2     8.5    -      -       +      +
    430A  TYR*     2.7    27.7    +      -       -      -
    449A  LEU*     1.3    71.2    -      -       -      +
    451A  THR*     1.3    68.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 451 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    305A  HIS*     3.0    18.6    +      -       -      -
    306A  PHE*     3.0    62.5    +      -       +      +
    402A  PHE*     3.8     8.3    -      -       -      -
    430A  TYR*     4.4     3.4    -      -       -      -
    431A  PHE*     3.1    24.9    -      -       -      -
    435A  ALA*     5.5     1.6    -      -       -      +
    449A  LEU*     5.2     1.3    -      -       -      +
    450A  VAL*     1.3    78.6    -      -       -      +
    452A  ASP*     1.3    68.0    +      -       -      +
    480A  TRP*     3.6    13.2    -      -       +      -
    482A  LEU*     3.8    22.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 452 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    303A  PHE*     4.2     8.2    -      -       +      +
    304A  LEU      3.3     7.6    -      -       -      -
    305A  HIS*     2.6    34.3    +      -       -      -
    306A  PHE*     4.6     0.2    -      -       -      -
    338A  ARG*     2.7    22.9    +      -       -      -
    402A  PHE*     3.8     8.4    -      -       +      -
    451A  THR*     1.3    73.7    +      -       -      +
    453A  TRP*     1.3    61.1    +      -       -      +
    480A  TRP*     3.1    21.8    -      -       -      -
    529A  ASP*     2.6    22.5    -      -       -      +
      3B  PRO*     3.5    40.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with TRP 453 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    139A  TYR*     4.6     1.1    -      -       -      -
    302A  SER      4.2     0.9    -      -       -      +
    303A  PHE*     3.2     6.6    -      -       -      -
    304A  LEU*     2.8    36.8    +      -       +      +
    306A  PHE*     3.7    19.3    -      -       +      -
    452A  ASP*     1.3    76.2    -      -       -      +
    454A  GLY*     1.3    68.6    +      -       -      +
    455A  ALA*     4.0     6.9    -      -       -      +
    456A  ASP*     4.5    10.3    -      -       -      -
    462A  GLY      3.6    19.7    -      -       -      -
    463A  PHE*     2.7    40.4    +      +       -      +
    466A  PRO*     3.7    26.5    -      -       +      -
    467A  LEU*     3.8    21.3    -      -       +      -
    480A  TRP*     3.4    47.6    -      +       +      -
      1B  ARG*     3.1    37.7    -      -       -      -
----------------------------------------------------------
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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