Contacts of the helix formed by residues 944 - 954 (chain B) in PDB entry 3O33


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 ASP 944 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    924B  PHE*     3.6    14.6    -      -       -      +
    925B  GLN      3.8     0.9    -      -       -      +
    926B  ASP      3.7    15.7    -      -       -      +
    927B  PRO*     3.1    37.3    -      -       +      +
    928B  VAL*     6.6     0.2    -      -       +      -
    942B  PRO*     5.6     1.0    -      -       -      +
    943B  MET*     1.3    81.2    +      -       -      +
    945B  LEU*     1.3    63.5    +      -       -      +
    946B  SER*     2.8    11.4    +      -       -      -
    947B  THR*     2.7    47.7    +      -       -      -
    948B  ILE*     3.3    15.6    +      -       -      +
    972B  ILE*     3.6    11.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 945 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    912B  LEU*     3.8    11.1    -      -       +      +
    915B  LEU*     3.9    42.2    -      -       +      -
    916B  TYR*     3.5    29.8    +      -       +      +
    921B  SER*     4.2    10.3    -      -       -      -
    924B  PHE*     2.9    27.6    +      -       +      +
    925B  GLN*     4.0    20.2    -      -       +      -
    944B  ASP*     1.3    71.9    -      -       -      +
    946B  SER*     1.3    58.0    +      -       -      +
    948B  ILE*     3.2     4.0    +      -       -      +
    949B  LYS*     2.9    29.1    +      -       -      +
    969B  PHE*     3.9    12.8    -      -       +      -
    972B  ILE*     3.7    16.8    -      -       +      +
    973B  PHE*     6.3     0.2    -      -       +      -
    993B  LEU*     5.3     2.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 946 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    916B  TYR*     3.2    13.2    +      -       -      -
    925B  GLN      2.9    18.6    +      -       -      -
    926B  ASP*     3.8    16.6    +      -       -      -
    927B  PRO*     3.9     6.2    -      -       -      +
    944B  ASP*     2.8    19.1    +      -       -      -
    945B  LEU*     1.3    77.1    -      -       -      +
    947B  THR*     1.3    56.7    +      -       -      +
    949B  LYS*     3.5     1.3    +      -       -      -
    950B  LYS*     2.7    58.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 947 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    927B  PRO*     4.7     4.0    -      -       -      +
    943B  MET*     3.8    20.3    -      -       +      -
    944B  ASP*     2.7    39.8    +      -       -      -
    945B  LEU      3.2     0.2    -      -       -      -
    946B  SER*     1.3    71.7    +      -       -      +
    948B  ILE*     1.3    62.0    +      -       -      +
    950B  LYS*     3.5     5.0    +      -       -      +
    951B  ARG*     3.0    61.2    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 948 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    908B  CYS*     4.2    12.8    -      -       -      -
    912B  LEU*     3.9    20.9    -      -       +      -
    943B  MET*     3.9     5.4    -      -       -      -
    944B  ASP      3.3     8.7    +      -       -      +
    945B  LEU      3.2     6.1    +      -       -      +
    947B  THR*     1.3    73.8    -      -       -      +
    949B  LYS*     1.3    66.3    +      -       -      +
    951B  ARG*     3.3     1.2    +      -       -      +
    952B  LEU*     2.9    23.2    +      -       -      +
    959B  TYR*     3.5    30.5    -      -       +      +
    965B  PHE*     4.7     2.2    -      -       +      -
    968B  ASP*     3.8     9.9    -      -       +      -
    969B  PHE*     3.6    45.1    -      -       +      +
    972B  ILE*     3.8    23.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 949 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    851B  SER      2.7    29.9    +      -       -      -
    852B  CYS      4.2     2.0    +      -       -      -
    853B  HIS      3.0    18.0    +      -       -      -
    854B  VAL*     4.0    26.8    -      -       +      +
    855B  PRO*     4.7     1.3    -      -       +      -
    856B  THR*     2.8    28.6    +      -       -      +
    912B  LEU*     3.6    15.7    -      -       +      +
    916B  TYR*     4.1    18.2    +      -       +      +
    945B  LEU      2.9    17.7    +      -       -      +
    946B  SER*     3.6     6.5    -      -       -      +
    948B  ILE*     1.3    78.6    -      -       -      +
    950B  LYS*     1.3    78.2    +      -       +      +
    952B  LEU*     3.2     3.1    +      -       -      +
    953B  GLN*     3.2    25.4    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 950 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    916B  TYR*     4.6     1.0    +      -       -      -
    946B  SER*     2.7    47.6    +      -       -      +
    947B  THR*     3.9     5.2    -      -       +      +
    949B  LYS*     1.3    95.1    -      -       +      +
    951B  ARG*     1.3    64.4    +      -       +      +
    952B  LEU      3.2     0.3    +      -       -      -
    953B  GLN*     3.2     8.1    +      -       -      +
    954B  GLU*     3.1    36.4    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 951 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    943B  MET*     3.7    20.7    -      -       -      +
    947B  THR*     3.0    33.2    +      -       +      +
    950B  LYS*     1.3    76.9    -      -       +      +
    952B  LEU*     1.3    60.7    +      -       -      +
    954B  GLU*     3.6    19.4    +      -       -      +
    957B  SER*     2.8    26.1    +      -       -      -
    958B  MET*     3.0    47.4    +      -       +      +
    959B  TYR*     3.6    26.0    -      -       +      -
    968B  ASP*     2.9    23.0    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 952 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    854B  VAL*     5.2     1.1    -      -       +      -
    900B  LEU*     3.6    31.2    -      -       +      -
    905B  LYS*     4.0    27.2    -      -       +      +
    908B  CYS*     3.7    31.6    -      -       +      -
    909B  GLU*     3.5    33.4    -      -       +      +
    912B  LEU*     4.1     9.4    -      -       +      -
    948B  ILE      2.9    17.5    +      -       -      +
    949B  LYS      3.5     4.7    -      -       -      +
    951B  ARG*     1.3    79.3    -      -       -      +
    953B  GLN*     1.3    60.7    +      -       -      +
    954B  GLU      3.5     4.2    +      -       -      +
    957B  SER*     4.3     6.3    -      -       -      +
    959B  TYR*     3.8    14.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 953 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    855B  PRO*     3.8    19.6    -      -       +      +
    856B  THR*     3.6    33.9    +      -       -      +
    882B  CYS*     3.8    21.8    -      -       +      +
    883B  ASP*     5.6     4.0    -      -       -      +
    905B  LYS*     4.9     9.9    -      -       -      +
    949B  LYS*     3.2    17.1    +      -       +      +
    950B  LYS*     3.2     6.4    +      -       -      +
    952B  LEU*     1.3    78.4    -      -       -      +
    954B  GLU*     1.3    64.8    +      -       -      +
    955B  ASP*     3.6     1.4    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 954 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    899B  LYS*     6.0     0.9    -      -       -      -
    950B  LYS*     3.1    30.7    +      -       -      +
    951B  ARG*     3.8    18.1    +      -       -      +
    952B  LEU      3.3     3.1    -      -       -      +
    953B  GLN*     1.3    79.3    -      -       -      +
    955B  ASP*     1.3    70.2    +      -       -      +
    956B  TYR      3.4     2.1    +      -       -      +
    957B  SER*     3.3    22.6    +      -       -      -
    958B  MET      5.9     0.3    +      -       -      -
----------------------------------------------------------
 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