Contacts of the strand formed by residues 447 - 450 (chain K) in PDB entry 6T9L


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 VAL 447 (chain K).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    136K  LEU*     4.9     9.6    -      -       +      +
    137K  SER*     4.2     7.6    -      -       -      +
    138K  GLY*     3.9    32.5    -      -       -      +
    153K  GLN*     5.6     1.6    -      -       -      +
    440K  PHE*     6.1     0.9    -      -       +      -
    441K  LYS      3.5     4.0    -      -       -      +
    442K  PHE*     4.1    26.2    -      -       +      -
    443K  ASN      4.9     4.3    -      -       -      +
    445K  SER      4.0     2.2    +      -       -      +
    446K  MET*     1.3    74.7    -      -       -      +
    448K  SER*     1.3    60.6    +      -       -      +
     57M  ASP*     3.3    12.8    -      -       +      +
     58M  ILE*     3.0    47.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 448 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    440K  PHE*     3.3     8.7    -      -       -      +
    441K  LYS*     2.5    61.3    +      -       -      +
    446K  MET*     5.0     7.0    +      -       -      +
    447K  VAL*     1.3    75.4    -      -       -      +
    449K  SER*     1.3    62.7    +      -       -      +
     49M  TYR      5.8     0.9    -      -       -      -
     51M  ASP*     6.0     2.5    -      -       -      -
     54M  GLY*     5.8     4.4    -      -       -      -
     56M  LEU      3.6    23.3    -      -       -      -
     57M  ASP*     4.2     2.7    -      -       -      -
     58M  ILE*     3.8     6.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with SER 449 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    438K  GLN*     3.5    21.1    +      -       -      -
    439K  TRP      3.7     0.7    -      -       -      -
    440K  PHE*     3.6    23.3    -      -       -      -
    441K  LYS*     4.9     0.3    -      -       -      +
    448K  SER*     1.3    84.5    +      -       -      +
    450K  ILE*     1.3    65.3    +      -       -      +
     48M  TYR*     5.8     4.0    -      -       -      -
     49M  TYR      4.4     5.0    +      -       -      -
     50M  PHE*     3.2    40.8    -      -       -      +
     51M  ASP      5.1     3.1    +      -       -      +
     58M  ILE*     4.2     3.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 450 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    431K  PHE*     4.7    16.4    -      -       +      -
    438K  GLN*     3.8     9.7    +      -       -      -
    439K  TRP*     3.4    27.6    +      -       +      +
    440K  PHE      3.9    17.0    -      -       -      +
    441K  LYS*     4.2    11.0    -      -       +      +
    449K  SER*     1.3    79.9    +      -       -      +
    451K  SER*     1.3    64.9    +      -       -      +
    454K  GLU*     3.7    30.1    -      -       +      +
    455K  VAL*     3.7    29.2    -      -       +      +
    458K  GLU*     5.5     4.0    -      -       -      +
     50M  PHE*     4.8     7.9    -      -       -      -
----------------------------------------------------------
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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