Contacts of the helix formed by residues 532 - 546 (chain A) in PDB entry 1JPP


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 ALA 532 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    495A  VAL*     4.1    25.4    -      -       +      -
    498A  LEU*     5.1     1.6    -      -       +      -
    514A  ILE*     5.0     9.4    -      -       +      -
    527A  LEU*     3.5    24.9    +      -       +      +
    528A  ARG      4.1     0.6    +      -       -      -
    530A  GLN      3.9     0.2    -      -       -      -
    531A  GLY*     1.3    75.8    -      -       -      +
    533A  ILE*     1.3    58.8    +      -       +      +
    534A  PRO*     3.4     0.4    -      -       -      +
    535A  ARG*     3.1     5.0    +      -       -      +
    536A  LEU*     2.8    50.6    +      -       +      +
    580A  LEU*     5.6     3.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 533 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    527A  LEU      6.0     0.2    -      -       -      -
    528A  ARG*     4.5    19.5    -      -       +      +
    532A  ALA*     1.3    77.4    -      -       +      +
    534A  PRO*     1.3    69.5    -      -       +      +
    536A  LEU*     3.2     8.4    +      -       -      +
    537A  VAL*     3.1    34.5    +      -       +      +
    577A  LEU*     4.1     9.4    -      -       +      -
    580A  LEU*     4.0    22.7    -      -       +      -
    586A  ASN*     3.7    44.0    -      -       +      +
    589A  VAL*     4.3    17.9    -      -       +      -
    590A  ILE*     3.7    25.6    -      -       +      -
    593A  LEU*     4.8     2.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 534 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    528A  ARG      5.5     1.1    -      -       -      +
    531A  GLY*     3.8    23.8    -      -       -      +
    532A  ALA      3.5     1.1    -      -       -      +
    533A  ILE*     1.3    95.4    -      -       +      +
    535A  ARG*     1.3    58.5    +      -       +      +
    537A  VAL*     4.0     2.4    +      -       -      +
    538A  GLN*     3.5    21.3    +      -       -      +
    589A  VAL*     5.3     7.0    -      -       +      -
    593A  LEU*     4.6    17.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 535 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    495A  VAL*     5.5     1.1    -      -       +      +
    498A  LEU*     3.5    43.2    +      -       +      -
    499A  HIS*     3.7    37.6    +      -       +      +
    500A  PRO*     3.9    19.4    -      -       -      +
    507A  ILE*     5.5     1.8    -      -       -      +
    531A  GLY      4.2    10.1    -      -       -      +
    532A  ALA*     3.1     9.2    +      -       -      +
    534A  PRO*     1.3    78.8    -      -       +      +
    536A  LEU*     1.3    67.0    +      -       -      +
    537A  VAL      3.3     0.4    -      -       -      -
    538A  GLN*     2.7    46.4    +      -       -      +
    539A  LEU*     3.1    48.7    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 536 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    498A  LEU*     4.5    17.7    -      -       +      -
    511A  VAL*     4.3    24.9    -      -       +      -
    514A  ILE*     4.8    13.2    -      -       +      -
    532A  ALA*     2.8    28.4    +      -       +      +
    533A  ILE*     3.2     4.9    +      -       -      +
    535A  ARG*     1.3    75.0    -      -       -      +
    537A  VAL*     1.3    64.6    +      -       -      +
    539A  LEU*     3.4     9.1    +      -       +      +
    540A  LEU*     3.3    17.5    +      -       -      +
    573A  CYS*     3.8    20.6    -      -       -      +
    576A  ALA*     4.0    28.0    -      -       +      -
    577A  LEU*     4.4    15.9    -      -       +      -
    580A  LEU*     4.3    20.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 537 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    533A  ILE*     3.1    20.6    +      -       +      +
    534A  PRO      4.2     4.0    -      -       -      +
    536A  LEU*     1.3    76.6    -      -       -      +
    538A  GLN*     1.3    64.0    +      -       -      +
    540A  LEU*     3.0    27.3    +      -       +      +
    541A  VAL*     3.3    16.0    +      -       +      +
    577A  LEU*     4.3    24.7    -      -       +      -
    590A  ILE*     5.5     2.2    -      -       +      -
    593A  LEU*     4.2    23.3    -      -       +      +
    595A  THR*     4.1    25.6    -      -       +      -
    598A  LEU*     6.2     1.8    -      -       +      -
    599A  PHE*     6.2     0.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 538 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    499A  HIS*     5.9     0.3    -      -       -      -
    534A  PRO      3.5    14.0    +      -       -      +
    535A  ARG*     2.7    40.8    +      -       -      +
    536A  LEU      3.3     0.4    -      -       -      -
    537A  VAL*     1.3    81.4    -      -       -      +
    539A  LEU*     1.3    62.7    +      -       -      +
    541A  VAL*     3.5    18.8    +      -       +      +
    542A  ARG*     3.7     7.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 539 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    498A  LEU*     4.3    19.3    -      -       +      +
    504A  TRP*     4.9    19.8    -      -       +      -
    507A  ILE*     3.9    27.8    -      -       +      -
    511A  VAL*     4.9     3.1    -      -       +      -
    535A  ARG*     3.1    51.0    +      -       +      +
    536A  LEU*     3.8     9.6    -      -       -      +
    537A  VAL      3.2     0.4    -      -       -      -
    538A  GLN*     1.3    76.6    -      -       -      +
    540A  LEU*     1.3    65.9    +      -       -      +
    541A  VAL      3.3     0.3    +      -       -      -
    542A  ARG*     3.6     7.5    +      -       +      +
    543A  ALA*     3.4    22.9    +      -       -      +
    569A  ILE*     4.6     7.4    -      -       +      +
    573A  CYS*     4.2    16.8    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 540 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    536A  LEU      3.3     9.6    +      -       -      +
    537A  VAL*     3.0    17.8    +      -       +      +
    539A  LEU*     1.3    79.7    -      -       -      +
    541A  VAL*     1.3    61.5    +      -       -      +
    543A  ALA*     3.5     3.8    +      -       -      +
    544A  HIS*     3.1    22.5    +      -       +      +
    569A  ILE      5.3     0.7    -      -       -      -
    570A  VAL*     3.7    42.6    -      -       +      +
    573A  CYS*     4.1    14.3    -      -       +      -
    574A  THR*     4.0    11.4    -      -       -      +
    577A  LEU*     4.8    11.9    -      -       +      -
    598A  LEU*     3.7    27.1    -      -       +      -
    599A  PHE*     4.6    18.8    -      -       +      -
    602A  LEU*     5.1     4.7    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 541 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    537A  VAL*     3.5    22.2    -      -       +      +
    538A  GLN*     3.7     9.6    -      -       -      +
    539A  LEU      3.2     0.6    -      -       -      -
    540A  LEU*     1.3    76.5    -      -       -      +
    542A  ARG*     1.3    65.2    +      -       -      +
    543A  ALA      3.0     1.6    +      -       -      -
    544A  HIS*     3.1    21.8    +      -       -      +
    545A  GLN*     3.8    21.3    +      -       -      +
    598A  LEU*     4.6    16.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 542 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    504A  TRP*     3.2    38.7    -      -       +      +
    538A  GLN      3.7     7.6    +      -       -      +
    539A  LEU*     3.6    10.3    +      -       +      +
    541A  VAL*     1.3    79.8    -      -       -      +
    543A  ALA*     1.3    58.6    +      -       -      +
    545A  GLN*     4.3     7.3    +      -       -      +
    546A  ASP*     3.5    38.5    +      -       -      +
    566A  MET*     5.3     0.6    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 543 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    504A  TRP*     5.3     3.8    -      -       +      -
    539A  LEU      3.4    15.2    +      -       -      +
    540A  LEU*     3.7     2.5    -      -       -      +
    541A  VAL      3.0     0.8    -      -       -      -
    542A  ARG*     1.3    79.0    -      -       -      +
    544A  HIS*     1.3    66.9    +      -       -      +
    545A  GLN      3.2     1.4    +      -       -      -
    546A  ASP      3.7     7.4    +      -       -      +
    566A  MET*     3.6    37.2    -      -       -      +
    569A  ILE*     3.9    21.3    -      -       +      -
    570A  VAL*     3.7    20.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 544 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    540A  LEU*     3.1    13.1    +      -       +      +
    541A  VAL*     3.1    14.1    +      -       -      +
    543A  ALA*     1.3    77.8    -      -       -      +
    545A  GLN*     1.3    72.3    +      -       +      +
    546A  ASP      4.0     2.8    -      -       -      +
    570A  VAL*     4.0    13.2    -      -       +      +
    598A  LEU*     4.1    28.6    -      -       +      +
    601A  GLN*     4.7    21.1    +      -       +      -
    602A  LEU*     4.3    22.7    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 545 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    541A  VAL*     3.8    26.4    +      -       -      +
    542A  ARG*     4.7     6.4    -      -       -      +
    543A  ALA      3.2     0.6    -      -       -      -
    544A  HIS*     1.3    86.3    -      -       +      +
    546A  ASP*     1.3    73.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 546 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    542A  ARG*     3.5    40.1    +      -       -      +
    543A  ALA      3.7     8.2    +      -       -      +
    544A  HIS      4.0     2.4    -      -       -      +
    545A  GLN*     1.3    89.6    -      -       -      +
    561A  VAL*     4.9    12.7    -      -       +      +
    566A  MET*     3.6    34.8    -      -       +      +
    567A  GLU*     5.6     1.4    -      -       -      +
----------------------------------------------------------
 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