Contacts of the helix formed by residues 288 - 301 (chain B) in PDB entry 3PII


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 THR 288 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    101B  GLY*     3.4    22.0    +      -       -      -
    103B  GLU*     3.4    27.7    +      -       -      +
    104B  THR*     4.6     5.3    -      -       -      +
    155B  LYS*     5.0     0.4    +      -       -      -
    287B  GLY*     1.3    75.6    -      -       -      +
    289B  ARG*     1.3    65.6    +      -       +      +
    290B  LYS*     2.8    38.6    -      -       +      +
    291B  ASP*     2.8    28.2    +      -       -      +
    292B  LEU*     3.0    20.8    +      -       -      +
     99D  LEU*     4.5     8.5    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 289 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     86B  PRO*     6.0     0.9    -      -       +      -
     88B  LEU*     5.6     3.5    -      -       +      +
     98B  CYS      5.9     0.8    +      -       -      -
    103B  GLU*     2.7    36.0    +      -       -      +
    129B  ASP*     3.5    30.2    +      -       -      +
    130B  TYR*     3.4    50.8    +      -       +      +
    131B  VAL      5.4     0.7    -      -       -      -
    132B  VAL*     4.1    24.5    -      -       +      +
    287B  GLY      3.9     0.4    +      -       -      -
    288B  THR*     1.3    73.5    -      -       +      +
    290B  LYS*     1.3    56.6    +      -       -      +
    292B  LEU*     3.3     4.9    +      -       -      +
    293B  GLN*     3.1    32.0    +      -       -      +
     93D  GLY      5.1     6.4    +      -       -      -
     94D  HIS*     5.7     0.4    -      -       -      -
     99D  LEU*     4.0    35.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 290 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    163A  LYS*     4.7     6.3    -      -       -      +
    166A  GLU*     5.7     2.0    -      -       -      -
    288B  THR*     2.8    20.3    -      -       +      +
    289B  ARG*     1.3    69.2    -      -       -      +
    291B  ASP*     1.3    65.2    +      -       -      +
    292B  LEU      3.1     1.6    -      -       -      -
    293B  GLN*     3.0    18.7    +      -       -      +
    294B  GLU*     2.6    68.4    +      -       -      +
     96D  ASP*     4.7    27.3    +      -       -      +
     99D  LEU*     3.8    37.6    -      -       +      +
    100D  SER*     4.4     7.9    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 291 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    151B  VAL*     3.6     6.7    -      -       +      -
    154B  TYR*     3.7     6.1    -      -       +      -
    155B  LYS*     2.6    43.1    +      -       +      -
    158B  LYS*     2.9    25.5    +      -       -      +
    287B  GLY*     3.5     8.4    -      -       -      -
    288B  THR*     2.8    37.6    +      -       -      +
    290B  LYS*     1.3    76.4    -      -       -      +
    292B  LEU*     1.3    56.9    +      -       -      +
    294B  GLU*     3.4    10.5    +      -       -      +
    295B  ALA*     2.8    27.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 292 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     86B  PRO*     4.0    13.7    -      -       +      -
    132B  VAL*     3.8    15.5    -      -       +      -
    146B  ILE*     3.6    25.8    -      -       +      +
    147B  PHE*     3.5    38.1    -      -       +      +
    151B  VAL*     3.1    25.5    -      -       +      +
    287B  GLY      5.5     0.7    -      -       -      +
    288B  THR      3.0     9.7    +      -       -      +
    289B  ARG*     3.5    10.1    -      -       -      +
    291B  ASP*     1.3    74.6    -      -       -      +
    293B  GLN*     1.3    62.0    +      -       -      +
    295B  ALA*     4.0     0.2    -      -       -      -
    296B  LEU*     2.7    54.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 293 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    132B  VAL*     4.1    18.0    -      -       +      +
    133B  LYS      5.4     4.7    +      -       -      +
    135B  PRO*     5.6     0.5    -      -       -      +
    289B  ARG*     3.1    15.4    +      -       -      +
    290B  LYS*     3.0    19.6    +      -       +      +
    292B  LEU*     1.3    77.2    -      -       -      +
    294B  GLU*     1.3    57.5    +      -       +      +
    296B  LEU*     3.3     9.5    +      -       -      +
    297B  GLN*     3.0    28.8    +      -       -      +
     94D  HIS      4.6     3.0    +      -       -      +
     96D  ASP*     3.7    22.6    +      -       -      -
     99D  LEU*     3.4    25.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 294 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    163A  LYS*     3.1    23.7    +      -       -      -
    154B  TYR*     2.8    26.3    +      -       -      +
    158B  LYS*     2.8    21.7    +      -       -      -
    290B  LYS*     2.6    55.7    +      -       -      +
    291B  ASP      3.4     5.2    -      -       -      +
    293B  GLN*     1.3    72.3    -      -       -      +
    295B  ALA*     1.3    67.0    +      -       -      +
    297B  GLN*     3.4    13.1    +      -       -      +
    298B  PHE*     3.0    24.8    +      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 295 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    146B  ILE*     4.0     5.8    -      -       +      +
    151B  VAL*     3.9    30.1    -      -       +      +
    154B  TYR*     4.0    10.1    -      -       +      -
    183B  TYR*     2.6    38.9    +      -       +      +
    291B  ASP      2.8    15.1    +      -       -      +
    292B  LEU      3.1     7.8    +      -       -      +
    294B  GLU*     1.3    79.0    -      -       -      +
    296B  LEU*     1.3    62.8    +      -       -      +
    298B  PHE*     3.4     8.3    +      -       -      +
    299B  ALA*     3.7     1.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 296 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    132B  VAL*     3.5    29.6    -      -       +      -
    133B  LYS      3.8    11.0    -      -       -      +
    134B  ILE*     4.9     1.3    -      -       -      -
    135B  PRO*     4.1    17.2    -      -       +      +
    138B  LEU*     3.8    28.0    -      -       +      +
    143B  ALA*     4.3     4.5    -      -       +      -
    146B  ILE*     3.8    22.0    -      -       +      -
    147B  PHE*     3.9    21.5    -      -       +      -
    292B  LEU*     2.7    28.1    +      -       +      +
    293B  GLN*     3.5     7.0    -      -       -      +
    294B  GLU      3.1     0.2    -      -       -      -
    295B  ALA*     1.3    77.9    -      -       -      +
    297B  GLN*     1.3    57.0    +      -       -      +
    299B  ALA*     3.2     6.9    +      -       -      +
    300B  ALA*     2.9    24.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 297 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165A  GLY      5.9     3.4    -      -       -      +
    135B  PRO*     4.1    17.0    -      -       -      +
    137B  ASN*     5.4     2.5    +      -       -      +
    293B  GLN      3.0    16.6    +      -       -      +
    294B  GLU*     3.8     8.5    -      -       -      +
    295B  ALA      3.3     0.4    -      -       -      -
    296B  LEU*     1.3    73.9    -      -       -      +
    298B  PHE*     1.3    64.0    +      -       +      +
    300B  ALA*     3.3    14.3    +      -       -      +
    301B  GLU*     3.1    46.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 298 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164A  PRO*     3.7    29.8    -      -       +      -
    165A  GLY*     3.8    15.7    -      -       -      -
    188A  GLY      5.2     2.2    -      -       -      -
    154B  TYR*     3.4    33.9    -      +       -      -
    183B  TYR*     3.7    23.3    -      +       +      -
    186B  ALA*     3.9    36.1    -      -       +      -
    187B  MET*     4.5     2.7    -      -       +      -
    294B  GLU*     3.0    24.1    +      -       +      -
    295B  ALA      3.4     6.8    +      -       -      +
    296B  LEU      3.3     0.6    -      -       -      -
    297B  GLN*     1.3    77.5    -      -       -      +
    299B  ALA*     1.3    59.8    +      -       -      +
    301B  GLU*     3.3    11.4    +      -       -      +
    302B  GLY      3.3     3.5    +      -       -      -
    303B  LYS*     3.0    41.1    +      -       +      +
    304B  VAL*     4.1     8.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 299 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    138B  LEU*     3.8    28.8    -      -       +      +
    146B  ILE*     4.1    23.3    -      -       +      -
    183B  TYR*     4.8     0.4    +      -       -      -
    295B  ALA      3.7     3.2    +      -       -      +
    296B  LEU      3.2    10.2    +      -       -      +
    298B  PHE*     1.3    75.7    -      -       -      +
    300B  ALA*     1.3    67.3    +      -       -      +
    302B  GLY*     2.8    15.4    +      -       -      -
    304B  VAL*     3.5    25.9    -      -       +      +
    305B  LYS*     6.1     0.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 300 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    135B  PRO*     4.0    17.3    -      -       +      -
    137B  ASN*     3.9    35.0    -      -       +      +
    138B  LEU*     4.1    12.4    -      -       +      +
    296B  LEU      2.9    13.3    +      -       -      +
    297B  GLN*     3.5    18.4    -      -       -      +
    299B  ALA*     1.3    76.9    -      -       -      +
    301B  GLU*     1.3    56.9    +      -       -      +
    302B  GLY*     3.2     4.5    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 301 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165A  GLY*     5.4     2.3    -      -       -      +
    167A  TRP*     5.6     2.6    +      -       -      -
    190A  ASN*     3.9    22.9    +      -       -      -
    297B  GLN*     3.1    42.2    +      -       -      +
    298B  PHE*     3.6    14.4    -      -       -      +
    299B  ALA      3.1     0.6    -      -       -      -
    300B  ALA*     1.3    74.2    -      -       -      +
    302B  GLY*     1.3    60.1    +      -       -      +
    303B  LYS*     3.2    38.7    +      -       -      +
----------------------------------------------------------
 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