Contacts of the helix formed by residues 605 - 614 (chain 1) in PDB entry 6AH0


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 GLY 605 (chain 1).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    6011  ALA*     4.3     4.5    -      -       -      +
    6041  ALA*     1.3    75.7    -      -       -      +
    6061  LEU*     1.3    68.1    +      -       -      -
    6071  ALA      3.5     1.3    -      -       -      -
    6081  THR*     3.1     9.0    +      -       -      +
    6091  MET*     2.9    18.0    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 606 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    6011  ALA      4.8     1.3    +      -       -      -
    6041  ALA      4.2     0.4    +      -       -      -
    6051  GLY*     1.3    69.1    -      -       -      -
    6071  ALA*     1.3    54.5    +      -       -      +
    6091  MET*     2.5    27.6    +      -       -      +
    6101  ILE      3.0     9.4    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 607 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2301  LEU      5.7     0.7    -      -       -      -
    2311  ARG*     4.7    23.0    -      -       -      +
    2341  GLU*     5.0    10.3    -      -       -      +
    6051  GLY      3.5     0.4    -      -       -      -
    6061  LEU*     1.3    72.4    -      -       -      +
    6081  THR*     1.3    60.4    +      -       -      +
    6101  ILE*     4.5     2.7    -      -       -      +
    6111  SER*     2.9    22.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 608 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    6051  GLY*     3.1    13.9    +      -       -      +
    6061  LEU      2.8     2.0    +      -       -      -
    6071  ALA*     1.3    75.8    -      -       -      +
    6091  MET*     1.3    62.5    +      -       -      +
    6121  THR*     2.8    23.4    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 609 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    6011  ALA*     6.3     2.5    -      -       -      +
    6051  GLY      2.9     8.3    +      -       -      -
    6061  LEU*     2.5    14.1    +      -       -      +
    6081  THR*     1.3    72.2    -      -       -      +
    6101  ILE*     1.3    63.6    +      -       -      +
    6121  THR*     3.4     1.6    +      -       -      +
    6131  MET*     2.9    16.1    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 610 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    6061  LEU      3.0    11.2    +      -       -      -
    6071  ALA*     4.1     2.5    -      -       -      +
    6091  MET*     1.3    72.0    -      -       -      +
    6111  SER*     1.3    54.5    +      -       -      +
    6121  THR      3.0     0.2    -      -       -      -
    6131  MET*     2.3    32.2    +      -       -      +
    6141  ARG      3.4     7.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 611 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    2341  GLU      5.0     2.5    -      -       -      -
    2351  THR*     4.4    24.5    -      -       -      +
    3011  ARG*     5.6     6.6    -      -       -      -
    6071  ALA*     2.9    19.6    +      -       -      +
    6081  THR*     5.4     0.2    -      -       -      +
    6101  ILE*     1.3    69.4    -      -       -      +
    6121  THR*     1.3    63.0    +      -       -      +
    6141  ARG      4.7     1.7    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 612 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    5721  HIS*     6.0     6.3    -      -       -      +
    6081  THR      2.8    15.2    +      -       -      -
    6091  MET      3.5     4.7    -      -       -      -
    6101  ILE      2.7     3.2    +      -       -      -
    6111  SER*     1.3    78.1    -      -       -      +
    6131  MET*     1.3    58.8    +      -       -      +
    6141  ARG      3.4     1.7    +      -       -      -
    6151  PRO      4.3     5.0    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 613 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    6091  MET      2.9     9.4    +      -       -      -
    6101  ILE*     2.3    19.5    +      -       -      +
    6121  THR*     1.3    68.6    -      -       -      +
    6141  ARG*     1.3    67.7    +      -       -      +
    6151  PRO      3.4     0.9    -      -       -      -
    6161  ASP*     3.8     6.3    +      -       -      +
    6171  ILE      4.3     1.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 614 (chain 1). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    6101  ILE      3.4     7.3    +      -       -      -
    6111  SER      4.7     1.6    +      -       -      -
    6121  THR      3.4     2.4    +      -       -      -
    6131  MET*     1.3    77.4    -      -       -      +
    6151  PRO*     1.3    51.7    -      -       -      +
    6161  ASP      2.5     0.6    +      -       -      -
    6171  ILE*     2.5    35.3    +      -       -      -
    6181  ASP      4.5     0.2    +      -       -      -
----------------------------------------------------------
 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