Contacts of the helix formed by residues 499 - 513 (chain D) in PDB entry 4K9N


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 ASN 499 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    350D  ALA*     3.5    26.3    +      -       -      +
    351D  GLY      3.8     4.5    -      -       -      +
    353D  LEU*     3.5    13.5    -      -       -      +
    497D  ALA      3.4     1.2    -      -       -      -
    498D  ASP*     1.3    84.3    +      -       -      +
    500D  LEU*     1.3    60.5    +      -       -      +
    501D  GLU*     3.1    13.8    +      -       -      +
    502D  GLN*     2.9    39.7    +      -       -      +
    503D  LEU*     2.8    27.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 500 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    348D  GLN*     4.3    20.8    -      -       +      +
    349D  ASP      5.5     2.6    +      -       -      +
    351D  GLY      4.8     1.0    +      -       -      -
    353D  LEU*     3.8    17.5    -      -       +      +
    357D  THR*     3.6    29.8    -      -       +      -
    361D  THR*     3.7    12.6    -      -       -      +
    499D  ASN*     1.3    76.0    -      -       -      +
    501D  GLU*     1.3    62.9    +      -       -      +
    503D  LEU*     3.1     3.2    +      -       +      +
    504D  LYS*     2.9    60.2    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 501 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    499D  ASN*     3.1    10.7    +      -       -      +
    500D  LEU*     1.3    78.6    -      -       -      +
    502D  GLN*     1.3    65.8    +      -       +      +
    504D  LYS*     3.5     8.3    +      -       -      +
    505D  GLY*     3.1    18.9    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 502 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    496D  LYS*     4.3     7.0    -      -       -      +
    497D  ALA*     3.7    14.0    +      -       -      -
    498D  ASP*     2.7    43.1    +      -       -      +
    499D  ASN*     2.9    29.7    +      -       -      +
    501D  GLU*     1.3    76.9    -      -       +      +
    503D  LEU*     1.3    60.4    +      -       -      +
    505D  GLY*     3.2     1.1    +      -       -      +
    506D  SER*     2.8    35.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 503 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    353D  LEU*     3.6    25.6    -      -       +      -
    358D  VAL*     4.0    20.6    -      -       +      -
    361D  THR*     3.8    31.6    -      -       +      +
    451D  VAL*     5.6     2.2    -      -       +      -
    497D  ALA*     3.7    10.9    -      -       +      +
    499D  ASN      2.8    13.5    +      -       -      +
    500D  LEU*     3.1     9.6    +      -       +      +
    502D  GLN*     1.3    76.1    -      -       -      +
    504D  LYS*     1.3    63.2    +      -       -      +
    506D  SER*     3.8     1.0    -      -       -      -
    507D  LEU*     2.9    46.1    +      -       +      +
    519D  ILE*     5.1     4.3    -      -       +      -
    521D  VAL*     4.0    28.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 504 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    361D  THR*     4.1     8.3    -      -       +      -
    365D  MET*     3.7    33.6    -      -       +      +
    500D  LEU*     2.9    50.4    +      -       +      +
    501D  GLU*     3.8     7.4    -      -       -      +
    503D  LEU*     1.3    78.0    -      -       -      +
    505D  GLY*     1.3    63.0    +      -       -      +
    507D  LEU*     3.9     1.8    -      -       -      +
    508D  GLN*     3.0    25.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 505 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    501D  GLU      3.1    15.7    +      -       -      -
    502D  GLN*     3.2     2.7    +      -       -      -
    504D  LYS*     1.3    74.8    -      -       -      +
    506D  SER*     1.3    56.5    +      -       -      +
    508D  GLN*     3.2    13.5    +      -       -      +
    509D  GLU*     2.9    29.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 506 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    495D  LEU*     3.6    22.9    -      -       -      +
    496D  LYS      2.8    26.0    +      -       -      -
    502D  GLN*     2.8    19.0    +      -       -      +
    503D  LEU*     3.8     4.3    -      -       -      -
    505D  GLY*     1.3    69.7    -      -       -      +
    507D  LEU*     1.3    59.9    +      -       -      +
    509D  GLU*     3.2     3.3    +      -       -      +
    510D  ALA*     2.8    30.1    +      -       -      +
    519D  ILE*     4.0    24.0    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 507 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    361D  THR*     4.0    20.6    -      -       +      -
    362D  LEU*     3.7    35.7    -      -       +      +
    365D  MET*     4.0    13.2    -      -       +      -
    423D  ILE*     5.8     2.7    -      -       +      -
    449D  ILE*     5.3     4.5    -      -       +      -
    451D  VAL*     4.8     7.4    -      -       +      -
    503D  LEU*     2.9    47.5    +      -       +      +
    504D  LYS      3.9     3.4    -      -       -      +
    506D  SER*     1.3    76.2    -      -       -      +
    508D  GLN*     1.3    63.0    +      -       -      +
    510D  ALA*     3.3     2.9    +      -       +      +
    511D  LEU*     3.0    40.6    +      -       +      +
    519D  ILE*     4.0    17.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 508 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    365D  MET*     4.7     6.9    -      -       +      +
    504D  LYS      3.0    18.2    +      -       -      +
    505D  GLY*     3.3    10.9    +      -       -      +
    507D  LEU*     1.3    79.1    -      -       -      +
    509D  GLU*     1.3    63.6    +      -       -      +
    511D  LEU*     3.7     6.8    +      -       -      +
    512D  SER*     3.4    22.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 509 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    493D  GLN*     3.3    27.3    +      -       -      +
    495D  LEU*     3.8    21.6    -      -       +      +
    505D  GLY      2.9    14.3    +      -       -      +
    506D  SER*     3.7     6.9    -      -       -      +
    508D  GLN*     1.3    77.5    -      -       -      +
    510D  ALA*     1.3    63.7    +      -       -      +
    512D  SER*     3.1     6.6    +      -       -      -
    513D  ALA*     3.0    22.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 510 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    421D  GLN*     5.4     0.5    -      -       -      +
    449D  ILE*     3.8    24.9    -      -       +      +
    495D  LEU*     4.4     0.8    -      -       -      +
    506D  SER      2.8    17.0    +      -       -      +
    507D  LEU*     3.7     4.5    -      -       +      +
    509D  GLU*     1.3    76.7    -      -       -      +
    511D  LEU*     1.3    63.4    +      -       -      +
    513D  ALA*     3.2    18.4    +      -       -      +
    515D  GLY      5.2     0.7    -      -       -      +
    517D  VAL*     3.9    29.3    -      -       +      +
    519D  ILE*     3.8    20.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 511 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    365D  MET*     3.8    39.0    -      -       +      +
    366D  ALA*     4.4     1.3    -      -       +      +
    367D  PRO*     4.0    17.0    -      -       +      -
    421D  GLN*     3.9    25.0    -      -       +      +
    423D  ILE*     4.7     8.5    -      -       +      -
    449D  ILE*     3.9    19.7    -      -       +      -
    507D  LEU*     3.0    29.5    +      -       +      +
    508D  GLN*     4.2     5.8    -      -       -      +
    509D  GLU      3.3     0.2    -      -       -      -
    510D  ALA*     1.3    75.9    -      -       -      +
    512D  SER*     1.3    61.0    +      -       -      +
    513D  ALA      3.8     5.4    -      -       -      +
    514D  LYS*     5.2     2.8    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 512 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    508D  GLN*     3.4    14.2    +      -       -      +
    509D  GLU*     3.1    11.3    +      -       -      -
    511D  LEU*     1.3    76.5    -      -       -      +
    513D  ALA*     1.3    67.7    +      -       -      +
    514D  LYS*     3.7    19.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 513 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    421D  GLN*     5.6     1.4    -      -       -      +
    447D  PRO*     5.5     2.3    -      -       -      +
    493D  GLN*     4.2    14.1    -      -       -      +
    509D  GLU*     3.0    11.5    +      -       +      +
    510D  ALA*     3.2    16.5    +      -       -      +
    511D  LEU      3.8     6.8    -      -       -      +
    512D  SER*     1.3    82.3    -      -       -      +
    514D  LYS*     1.3    65.4    +      -       -      +
    515D  GLY      3.5     6.0    +      -       -      +
    517D  VAL*     3.6    24.7    -      -       +      -
----------------------------------------------------------
 Back to top of page


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