Contacts of the helix formed by residues 587 - 596 (chain A) in PDB entry 4Z4Q


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 587 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    585A  GLU      4.1     0.6    +      -       -      -
    586A  MET*     1.3    72.3    -      -       -      +
    588A  ALA*     1.3    62.0    +      -       -      +
    589A  ASP*     4.2     9.4    -      -       +      +
    590A  GLN*     2.8    42.8    +      -       +      +
    591A  LEU*     3.0    10.6    +      -       -      +
   1101B  MET      3.5    10.5    +      -       -      +
   1102B  HIS*     3.5    24.3    +      -       -      -
   1103B  GLY*     3.0    30.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 588 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    440A  SER*     3.7    28.0    +      -       -      +
    443A  GLN*     3.9    20.2    -      -       +      +
    444A  GLY*     3.8    18.0    -      -       -      +
    586A  MET      3.8     1.2    +      -       -      -
    587A  ASN*     1.3    72.5    -      -       -      +
    589A  ASP*     1.3    62.5    +      -       -      +
    591A  LEU*     3.4     9.8    +      -       -      +
    592A  TRP*     3.1    22.5    +      -       -      +
   1103B  GLY      5.4     1.0    +      -       -      -
   1293B  ARG*     5.3     3.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 589 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    587A  ASN*     4.2     6.7    -      -       +      +
    588A  ALA*     1.3    79.5    -      -       -      +
    590A  GLN*     1.3    64.1    +      -       +      +
    592A  TRP*     3.4     4.7    +      -       -      +
    593A  GLU*     3.1    23.6    +      -       -      +
   1293B  ARG*     4.6    20.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 590 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    557A  TYR*     2.9    31.2    +      -       +      +
    580A  TYR*     3.9    12.1    +      -       -      -
    585A  GLU      4.6     0.2    -      -       -      +
    586A  MET*     3.9    16.5    -      -       +      -
    587A  ASN*     2.8    44.5    +      -       +      +
    589A  ASP*     1.3    72.7    -      -       +      +
    591A  LEU*     1.3    61.5    +      -       -      +
    593A  GLU*     3.3     5.6    +      -       -      +
    594A  THR*     2.7    37.0    +      -       -      +
   1102B  HIS*     4.0    22.0    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 591 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    437A  ALA*     4.7     2.7    -      -       +      +
    440A  SER*     3.8    29.4    -      -       -      +
    441A  ALA*     3.9    17.3    -      -       +      +
    444A  GLY*     5.6     0.2    -      -       -      -
    504A  MET*     3.8    18.6    -      -       +      -
    583A  LEU*     4.9    16.4    -      -       +      +
    586A  MET*     4.3    20.2    -      -       +      +
    587A  ASN      3.0    10.1    +      -       -      +
    588A  ALA*     3.5    11.2    -      -       -      +
    590A  GLN*     1.3    76.2    -      -       -      +
    592A  TRP*     1.3    57.0    +      -       -      +
    594A  THR*     3.9     3.6    -      -       -      -
    595A  THR*     2.8    51.7    +      -       +      +
    596A  MET*     3.2    21.6    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 592 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    444A  GLY*     3.3    25.7    +      -       -      +
    445A  ARG      4.1     0.7    -      -       -      -
    446A  ASP*     3.9    27.4    -      -       +      -
    449A  PHE*     5.5     1.1    -      +       -      -
    450A  GLN*     3.8    20.9    -      -       -      -
    588A  ALA      3.1     4.6    +      -       -      +
    589A  ASP      3.7     8.3    -      -       -      +
    591A  LEU*     1.3    81.0    -      -       -      +
    593A  GLU*     1.3    69.8    +      -       +      +
    594A  THR      3.3     0.3    +      -       -      -
    596A  MET*     3.4    30.8    +      -       +      +
    597A  ASN*     3.0    67.0    +      -       +      +
    598A  PRO*     4.0     7.4    -      -       +      -
   1293B  ARG*     3.2    40.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 593 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    557A  TYR*     5.7     4.5    -      -       +      +
    589A  ASP      3.1    13.3    +      -       -      +
    590A  GLN*     3.3     6.9    +      -       -      +
    592A  TRP*     1.3    87.0    -      -       +      +
    594A  THR*     1.3    63.3    +      -       +      +
    597A  ASN*     4.8     2.7    -      -       -      +
    600A  THR*     2.9    31.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 594 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    539A  LEU      4.7     0.7    -      -       -      +
    541A  PRO*     3.9    16.1    -      -       +      +
    557A  TYR*     3.8    47.8    -      -       +      -
    559A  TRP*     4.0    19.8    -      -       +      -
    586A  MET*     4.2     2.8    -      -       -      -
    590A  GLN      2.7    24.6    +      -       -      +
    591A  LEU*     3.5     1.6    +      -       -      -
    593A  GLU*     1.3    82.2    -      -       +      +
    595A  THR*     1.3    76.8    +      -       -      +
    596A  MET      4.0     0.4    -      -       -      -
    600A  THR      3.7     4.3    -      -       -      +
    601A  ARG*     3.6    17.7    -      -       -      -
    602A  THR      4.3     1.9    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 595 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    430A  TYR*     3.7     9.4    +      -       -      -
    504A  MET*     3.5    23.9    -      -       -      +
    538A  ALA*     4.1    14.7    -      -       -      +
    539A  LEU      3.9    13.2    -      -       -      +
    540A  PRO*     3.6    30.5    -      -       +      +
    541A  PRO*     3.8     2.7    -      -       +      -
    586A  MET*     5.0     1.3    -      -       -      -
    591A  LEU*     2.8    21.4    +      -       +      +
    594A  THR*     1.3    93.2    -      -       -      +
    596A  MET*     1.3    58.3    +      -       -      +
    601A  ARG*     3.6    18.0    -      -       -      +
    602A  THR      5.9     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 596 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    430A  TYR*     3.7    23.8    -      -       +      -
    441A  ALA*     4.2    24.7    -      -       +      +
    444A  GLY*     4.6     4.0    -      -       -      -
    445A  ARG*     3.9    20.0    -      -       +      -
    450A  GLN*     3.1    44.5    +      -       -      +
    452A  ILE*     4.1    17.9    -      -       +      -
    504A  MET*     4.3     7.0    -      -       -      -
    591A  LEU*     3.2    32.6    +      -       +      +
    592A  TRP*     3.8    20.4    -      -       +      -
    595A  THR*     1.3    82.8    -      -       -      +
    597A  ASN*     1.3    61.7    +      -       -      +
    598A  PRO*     3.1     5.4    -      -       -      +
    601A  ARG*     3.5     8.2    +      -       -      -
----------------------------------------------------------
 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