Contacts of the helix formed by residues 558 - 570 (chain A) in PDB entry 3RFU


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 SER 558 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    556A  LYS*     4.4     2.4    -      -       -      +
    557A  SER*     1.3    75.7    -      -       -      +
    559A  THR*     1.3    67.3    +      -       -      +
    560A  PRO*     3.2     4.3    -      -       -      -
    561A  GLU*     3.0    21.0    +      -       -      +
    562A  THR*     2.9    14.5    +      -       -      +
    660A  ASP*     3.4    28.4    +      -       -      +
    661A  LEU      4.4     0.7    +      -       -      -
    662A  ARG*     3.4    44.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 559 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    430A  THR      4.6     0.5    +      -       -      -
    431A  LEU*     3.1    45.1    +      -       +      +
    555A  ILE*     5.1     1.1    -      -       +      -
    556A  LYS*     2.9    38.2    +      -       -      +
    558A  SER*     1.3    77.8    +      -       -      +
    560A  PRO*     1.3    64.6    -      -       -      +
    562A  THR*     3.3     9.0    -      -       +      +
    563A  ILE*     3.0    33.9    +      -       +      +
    591A  LEU*     3.7    16.8    -      -       +      -
    661A  LEU*     5.0     7.8    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 560 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    555A  ILE*     4.0    17.3    -      -       +      -
    556A  LYS      3.0    14.6    -      -       -      +
    557A  SER      3.4    12.6    -      -       -      +
    558A  SER      3.2     2.5    -      -       -      +
    559A  THR*     1.3    93.1    -      -       -      +
    561A  GLU*     1.3    66.6    +      -       +      +
    563A  ILE*     3.9     3.6    +      -       -      +
    564A  LEU*     3.3    25.2    +      -       -      +
    590A  THR      5.9     1.8    -      -       -      +
    591A  LEU*     4.0    19.2    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 561 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    558A  SER*     3.0    12.6    +      -       -      +
    560A  PRO*     1.3    81.7    -      -       +      +
    562A  THR*     1.3    66.5    +      -       -      +
    564A  LEU*     3.0    25.2    +      -       +      +
    565A  GLU*     3.0    21.4    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 562 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    558A  SER*     2.9    31.6    -      -       -      +
    559A  THR*     3.3    11.7    +      -       -      -
    561A  GLU*     1.3    73.3    -      -       -      +
    563A  ILE*     1.3    69.8    +      -       -      +
    565A  GLU*     2.9    23.7    +      -       -      +
    566A  LEU*     3.0    23.8    +      -       -      +
    661A  LEU*     2.9    27.4    -      -       +      +
    662A  ARG*     3.1    30.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 563 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    423A  LEU*     6.0     0.7    -      -       +      -
    425A  VAL*     5.6     2.2    -      -       +      -
    431A  LEU*     4.0    23.3    -      -       +      -
    559A  THR*     3.0    26.4    +      -       +      +
    560A  PRO      4.0     4.9    -      -       -      +
    562A  THR*     1.3    86.7    +      -       -      +
    564A  LEU*     1.3    55.6    +      -       -      +
    566A  LEU*     3.3     9.9    +      -       +      +
    567A  GLN*     2.7    47.9    +      -       +      +
    573A  ILE*     4.3    21.3    -      -       +      +
    591A  LEU*     3.6    29.6    -      -       +      +
    592A  GLY*     5.2     0.4    -      -       -      -
    593A  ILE*     4.3    18.4    -      -       +      -
    661A  LEU*     5.0     6.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 564 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    560A  PRO      3.3    19.5    -      -       -      +
    561A  GLU*     3.0    16.2    +      -       +      +
    563A  ILE*     1.3    78.0    -      -       -      +
    565A  GLU*     1.3    62.4    +      -       -      +
    567A  GLN*     3.0    24.8    +      -       +      +
    568A  GLN*     3.0    27.7    +      -       +      +
    591A  LEU      4.3    14.6    -      -       -      +
    592A  GLY*     5.8     1.1    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 565 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    561A  GLU*     3.0    20.2    +      -       +      +
    562A  THR*     2.9    19.1    +      -       -      +
    564A  LEU*     1.3    77.2    -      -       +      +
    566A  LEU*     1.3    63.5    +      -       +      +
    567A  GLN      3.3     0.2    +      -       -      -
    568A  GLN*     3.3     8.0    +      -       -      +
    569A  SER*     3.0    26.6    +      -       -      -
    662A  ARG      5.1     5.4    -      -       -      +
    663A  GLY      5.9     0.2    +      -       -      -
    665A  ALA*     3.8    21.2    -      -       +      +
    669A  ARG*     3.9    11.4    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 566 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    423A  LEU*     3.5    31.6    -      -       +      -
    562A  THR*     3.0    25.9    +      -       -      +
    563A  ILE*     3.8    10.1    -      -       +      +
    565A  GLU*     1.3    79.6    -      -       +      +
    567A  GLN*     1.3    61.7    +      -       -      +
    569A  SER*     3.6     8.6    -      -       -      -
    570A  GLY      3.2     2.6    +      -       -      -
    571A  ILE*     2.8    58.2    +      -       +      +
    573A  ILE*     4.1    11.9    -      -       +      -
    661A  LEU*     5.1     1.3    -      -       +      -
    664A  ILE*     3.9    27.4    -      -       +      -
    665A  ALA*     4.2    14.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 567 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    563A  ILE*     2.7    39.0    +      -       +      +
    564A  LEU*     3.1    19.2    -      -       +      +
    566A  LEU*     1.3    76.3    -      -       -      +
    568A  GLN*     1.3    68.8    +      -       +      +
    570A  GLY*     3.3    12.6    +      -       -      -
    571A  ILE      3.9     5.6    -      -       -      +
    572A  GLU*     5.1     0.9    -      -       -      -
    573A  ILE*     3.5    23.8    +      -       -      +
    591A  LEU      5.1     0.6    +      -       -      -
    592A  GLY*     3.8    27.1    +      -       -      -
    593A  ILE*     6.3     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 568 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    564A  LEU*     3.0    22.8    +      -       +      +
    565A  GLU*     3.7     7.4    -      -       -      +
    567A  GLN*     1.3    75.2    -      -       -      +
    569A  SER*     1.3    67.7    +      -       -      +
    570A  GLY*     3.3     1.6    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 569 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    565A  GLU      3.0    17.6    +      -       -      -
    566A  LEU*     3.6    12.6    -      -       -      -
    568A  GLN*     1.3    78.4    -      -       -      +
    570A  GLY*     1.3    57.1    +      -       -      +
    571A  ILE*     3.6    11.9    -      -       -      +
    668A  ARG*     3.2    42.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 570 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    420A  VAL      5.5     0.4    -      -       -      -
    421A  ASN*     3.3    12.0    -      -       -      +
    566A  LEU      3.2     1.8    +      -       -      -
    567A  GLN      3.3     8.2    +      -       -      -
    568A  GLN      3.2     4.1    -      -       -      -
    569A  SER*     1.3    80.0    -      -       -      +
    571A  ILE*     1.3    62.6    +      -       -      +
    572A  GLU*     3.0    20.1    -      -       -      +
----------------------------------------------------------
 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