Contacts of the helix formed by residues 53 - 80 (chain A) in PDB entry 1ZSP


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 53 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48A  ALA*     2.9    16.9    +      -       -      +
     51A  LYS*     3.2    13.8    -      -       +      +
     52A  GLY*     1.3    73.2    -      -       -      +
     54A  VAL*     1.3    62.7    +      -       -      +
     55A  THR*     3.3    11.3    +      -       -      -
     56A  ALA*     3.0    33.5    +      -       +      +
     57A  GLN*     3.1    26.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 54 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     52A  GLY      3.1     2.1    +      -       -      +
     53A  ASP*     1.3    69.1    +      -       -      +
     55A  THR*     1.3    66.1    +      -       -      +
     57A  GLN*     3.3     7.8    +      -       -      +
     58A  ILE*     3.0    30.3    +      -       +      +
      2B  HIS*     3.4    37.0    -      -       +      +
     38B  LEU*     4.0    12.1    -      -       +      -
     42B  GLU*     3.8     7.2    -      -       -      +
     64B  LEU*     4.6     7.0    -      -       +      -
     68B  GLY*     3.6    25.4    -      -       -      +
     71B  HIS*     5.4     1.8    -      -       +      -
     72B  ILE*     3.5    25.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 55 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53A  ASP*     3.3     8.6    +      -       -      +
     54A  VAL*     1.3    79.7    -      -       -      +
     56A  ALA*     1.3    64.4    +      -       -      +
     58A  ILE*     3.2     4.7    +      -       -      +
     59A  ALA*     2.9    23.2    +      -       +      +
     72B  ILE*     3.6    25.6    -      -       -      +
    145B  PRO*     5.6     0.3    -      -       -      +
    147B  GLN*     3.9    40.3    +      -       +      +
    148B  GLY*     3.9    16.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 56 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48A  ALA*     3.9    13.9    -      -       +      -
     53A  ASP*     3.0    32.6    +      -       -      +
     55A  THR*     1.3    79.3    -      -       -      +
     57A  GLN*     1.3    63.0    +      -       -      +
     59A  ALA*     3.1     8.1    +      -       -      +
     60A  LEU*     3.0    32.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 57 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45A  TYR*     2.7    62.1    +      -       +      +
     48A  ALA*     3.8    15.1    -      -       +      +
     49A  LEU*     3.7    25.2    -      -       -      +
     53A  ASP      3.1    22.2    +      -       -      +
     54A  VAL*     3.6    10.6    -      -       -      +
     55A  THR      3.3     0.2    -      -       -      -
     56A  ALA*     1.3    75.4    -      -       -      +
     58A  ILE*     1.3    63.0    +      -       -      +
     60A  LEU*     3.2    10.5    +      -       -      +
     61A  GLN*     3.4    11.4    +      -       -      +
     42B  GLU*     2.8    24.5    +      -       -      +
     45B  TYR*     5.5     0.8    -      -       -      -
     64B  LEU*     3.7    23.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 58 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54A  VAL*     3.0    33.1    +      -       +      +
     55A  THR      3.7     3.8    -      -       -      +
     57A  GLN*     1.3    75.7    -      -       -      +
     59A  ALA*     1.3    62.5    +      -       -      +
     61A  GLN*     3.1    27.5    +      -       -      +
     62A  PRO*     3.8     3.8    -      -       -      +
     64B  LEU*     3.6    17.5    -      -       +      +
     65B  LYS*     4.0    24.2    -      -       +      -
     69B  GLY      3.9    15.0    -      -       -      +
     72B  ILE*     4.2     2.7    -      -       +      -
    145B  PRO*     3.6    35.4    -      -       +      -
    148B  GLY      4.0    13.7    -      -       -      +
    149B  THR*     4.1    10.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 59 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     55A  THR*     2.9    19.0    +      -       +      +
     56A  ALA*     3.1     9.2    +      -       -      +
     58A  ILE*     1.3    76.5    -      -       -      +
     60A  LEU*     1.3    63.0    +      -       +      +
     62A  PRO*     3.4    12.0    -      -       -      +
     63A  ALA*     5.1     1.6    +      -       -      +
    147B  GLN      5.2     1.3    -      -       -      +
    148B  GLY*     3.3    23.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 60 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41A  THR*     4.0    13.4    -      -       +      +
     44A  LYS*     3.9    32.5    -      -       +      +
     45A  TYR*     3.7    47.6    -      -       +      +
     48A  ALA*     4.4     3.8    -      -       +      -
     56A  ALA*     3.0    26.6    +      -       +      +
     57A  GLN*     3.6     5.4    -      -       -      +
     58A  ILE      3.1     0.6    -      -       -      -
     59A  ALA*     1.3    81.9    -      -       +      +
     61A  GLN*     1.3    63.5    +      -       -      +
     62A  PRO*     3.4     0.9    -      -       -      -
     63A  ALA*     3.2    11.8    +      -       +      +
     64A  LEU*     3.0    22.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 61 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45A  TYR*     5.1     6.8    +      -       +      -
     57A  GLN      3.4    11.4    +      -       -      +
     58A  ILE*     3.4    21.0    -      -       -      +
     60A  LEU*     1.3    76.9    -      -       -      +
     62A  PRO*     1.3    67.8    -      -       +      +
     64A  LEU*     3.2     1.3    +      -       -      -
     65A  LYS*     2.9    24.0    +      -       -      +
     45B  TYR*     6.2     0.6    -      -       -      -
     61B  GLN*     3.1    67.3    +      -       +      +
     64B  LEU*     3.9    19.0    -      -       -      +
     65B  LYS*     3.7    28.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 62 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     58A  ILE      3.8     4.9    -      -       -      +
     59A  ALA*     3.4    17.0    -      -       -      +
     60A  LEU      3.5     0.7    -      -       -      -
     61A  GLN*     1.3    92.7    -      -       +      +
     63A  ALA*     1.3    55.9    +      -       -      +
     65A  LYS*     3.9     9.4    -      -       +      +
     66A  PHE*     2.9    33.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 63 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41A  THR*     3.8    22.0    +      -       +      +
     59A  ALA      5.1     0.9    +      -       -      +
     60A  LEU*     3.2    13.5    +      -       +      +
     62A  PRO*     1.3    80.6    -      -       -      +
     64A  LEU*     1.3    58.0    +      -       -      +
     66A  PHE*     4.5     2.7    -      -       -      -
     67A  ASN*     2.9    44.0    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 64 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38A  LEU*     3.8    25.1    -      -       +      -
     41A  THR*     3.8    20.4    -      -       +      +
     42A  GLU*     4.1     7.9    -      -       +      +
     45A  TYR*     5.3     5.8    -      -       +      -
     60A  LEU*     3.0    16.4    +      -       +      +
     61A  GLN*     3.2     5.4    +      -       -      +
     63A  ALA*     1.3    77.6    -      -       -      +
     65A  LYS*     1.3    56.4    +      -       -      +
     67A  ASN*     5.3     0.2    -      -       -      -
     68A  GLY*     2.8    27.0    +      -       -      +
     45B  TYR*     3.5    22.7    -      -       -      +
     54B  VAL*     4.5     5.6    -      -       +      -
     57B  GLN*     3.8    23.1    -      -       +      +
     58B  ILE*     3.1    26.6    -      -       +      +
     61B  GLN*     3.8     7.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 65 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61A  GLN      2.9    17.0    +      -       -      +
     62A  PRO*     4.0     7.4    -      -       -      +
     64A  LEU*     1.3    76.1    -      -       -      +
     66A  PHE*     1.3    58.6    +      -       -      +
     69A  GLY*     2.9    27.0    +      -       -      -
    143A  GLN*     4.0     3.3    -      -       -      +
    144A  ASP*     3.2    41.8    +      -       -      +
    145A  PRO*     4.3     5.8    -      -       +      -
    149A  THR*     4.5     6.0    -      -       +      +
     58B  ILE*     3.2    26.6    -      -       +      +
     61B  GLN*     3.6    20.0    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 66 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34A  ALA*     5.3     0.2    -      -       -      +
     62A  PRO      2.9    19.9    +      -       -      +
     63A  ALA*     4.0     3.6    -      -       -      +
     65A  LYS*     1.3    79.5    -      -       -      +
     67A  ASN*     1.3    77.4    +      -       -      +
     70A  GLY*     3.1    19.8    +      -       -      -
    142A  ASN*     4.7     8.5    -      -       +      -
    143A  GLN*     3.3    35.3    -      -       +      +
    144A  ASP*     5.9     0.7    -      -       -      -
    161A  TRP*     3.5    35.0    -      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 67 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34A  ALA*     3.6    36.3    -      -       -      +
     37A  ASN*     3.1    40.7    +      -       +      +
     38A  LEU*     3.9    10.7    -      -       -      +
     41A  THR*     4.5     1.9    +      -       -      -
     63A  ALA*     2.9    32.5    +      -       -      +
     66A  PHE*     1.3    93.4    -      -       -      +
     68A  GLY*     1.3    65.7    +      -       -      +
     70A  GLY*     3.3     1.6    +      -       -      +
     71A  HIS*     3.0    19.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 68 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38A  LEU*     3.8    16.4    -      -       -      +
     64A  LEU      2.8    19.5    +      -       -      -
     67A  ASN*     1.3    74.1    -      -       -      +
     69A  GLY*     1.3    60.5    +      -       -      +
     71A  HIS*     3.0     4.5    +      -       -      +
     72A  ILE*     2.9    31.9    +      -       -      +
     54B  VAL*     3.5    23.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 69 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64A  LEU      4.0     0.2    +      -       -      -
     65A  LYS*     2.9    16.1    +      -       -      +
     68A  GLY*     1.3    76.5    -      -       -      +
     70A  GLY*     1.3    57.4    +      -       -      +
     72A  ILE*     4.3     1.1    -      -       -      -
     73A  ASN*     2.8    36.2    +      -       -      -
    143A  GLN      3.3    22.7    -      -       -      -
    145A  PRO*     3.9    19.0    -      -       -      +
     54B  VAL*     4.6     0.8    -      -       -      +
     58B  ILE*     5.2     1.0    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 70 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31A  HIS*     4.4     0.6    +      -       -      -
     34A  ALA*     4.2    12.3    -      -       -      -
     66A  PHE      3.1    17.6    +      -       -      -
     67A  ASN      3.3     4.7    +      -       -      -
     68A  GLY      3.1     0.6    -      -       -      -
     69A  GLY*     1.3    77.2    -      -       -      +
     71A  HIS*     1.3    61.2    +      -       -      +
     74A  HIS*     2.7    36.9    +      -       -      +
    143A  GLN*     3.7    18.8    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 71 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2A  HIS*     3.9    24.7    +      +       +      +
      3A  SER      3.4    25.6    +      -       -      -
      5A  PRO*     4.3     3.1    -      -       +      -
     31A  HIS*     3.1    26.1    -      +       +      -
     34A  ALA*     4.0     2.8    -      -       +      +
     35A  VAL*     3.7    13.4    -      -       +      +
     38A  LEU*     3.8    24.2    -      -       +      -
     67A  ASN      3.0    13.3    +      -       -      +
     68A  GLY      3.4     7.4    -      -       -      +
     70A  GLY*     1.3    76.8    -      -       -      +
     72A  ILE*     1.3    62.1    +      -       +      +
     75A  SER*     2.7    48.3    +      -       -      -
     54B  VAL*     5.0     5.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 72 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     68A  GLY      2.9    16.1    +      -       -      +
     69A  GLY*     3.7     3.6    -      -       -      +
     71A  HIS*     1.3    80.1    -      -       +      +
     73A  ASN*     1.3    72.1    +      -       -      +
     75A  SER*     3.7     3.4    -      -       -      -
     76A  ILE*     3.3    37.4    +      -       +      +
    145A  PRO*     4.1    24.0    -      -       +      -
    146A  LEU      5.8     0.4    -      -       -      +
    154A  PRO*     6.0     0.9    -      -       +      -
     54B  VAL*     3.7    33.7    -      -       +      +
     55B  THR*     3.5    30.7    -      -       -      +
     58B  ILE*     5.1     0.2    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 73 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69A  GLY      2.8    19.2    +      -       -      +
     70A  GLY      4.2     1.6    -      -       -      +
     72A  ILE*     1.3    75.8    -      -       -      +
     74A  HIS*     1.3    57.5    +      -       -      +
     76A  ILE*     3.3     4.7    +      -       -      +
     77A  PHE*     2.9    26.9    +      -       -      +
    123A  TRP*     3.4    33.0    -      -       +      +
    125A  TRP*     3.8    23.0    -      -       +      -
    143A  GLN*     2.9    43.5    +      -       -      +
    144A  ASP      3.9     5.4    +      -       -      -
    145A  PRO*     3.4    21.2    -      -       -      +
    146A  LEU      4.3     0.5    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 74 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26A  HIS*     3.2    20.5    +      +       -      -
     30A  HIS*     5.1     4.4    -      -       +      +
     31A  HIS*     3.5    35.5    -      +       +      -
     70A  GLY*     2.7    28.2    +      -       -      +
     73A  ASN*     1.3    71.9    -      -       -      +
     75A  SER*     1.3    65.9    +      -       -      +
     77A  PHE*     3.4     6.1    -      +       -      +
     78A  TRP*     3.0    41.2    +      +       +      +
    123A  TRP*     3.7    10.5    -      +       -      -
    143A  GLN*     3.5    29.2    -      -       -      -
    159A  ASP*     3.5     1.2    +      -       -      -
    163A  HIS*     4.8     0.7    -      +       -      -
    199A   MN      2.2    36.2    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 75 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  PRO*     4.1    11.0    -      -       -      +
     31A  HIS*     3.4    15.1    +      -       -      -
     71A  HIS*     2.7    39.9    +      -       -      -
     72A  ILE*     3.7     5.8    -      -       -      -
     73A  ASN      3.3     0.2    -      -       -      -
     74A  HIS*     1.3    79.1    -      -       -      +
     76A  ILE*     1.3    63.9    +      -       -      +
     78A  TRP*     3.7    10.9    +      -       -      +
     79A  THR*     3.6    19.4    +      -       -      +
    192A  ARG*     5.2     0.7    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 76 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     72A  ILE*     3.3    29.3    +      -       +      +
     73A  ASN      3.7     5.6    -      -       -      +
     74A  HIS      3.2     0.4    -      -       -      -
     75A  SER*     1.3    78.0    -      -       -      +
     77A  PHE*     1.3    64.8    +      -       -      +
     79A  THR*     2.7    20.3    +      -       -      -
     80A  ASN*     3.0    24.2    +      -       -      +
    125A  TRP*     3.9    20.0    -      -       +      -
    154A  PRO*     3.5    33.0    -      -       +      -
    155A  LEU      5.1     0.9    -      -       -      +
    192A  ARG*     3.8    38.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 77 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     18A  ILE*     5.0     4.3    -      -       +      -
     23A  MET*     6.0     0.9    -      -       +      -
     26A  HIS*     4.1    21.3    -      +       -      -
     73A  ASN      2.9    17.0    +      -       -      +
     74A  HIS*     3.2     6.0    +      +       -      +
     76A  ILE*     1.3    77.2    -      -       -      +
     78A  TRP*     1.3    88.8    +      +       -      +
     80A  ASN*     3.0    22.2    +      -       +      +
     81A  LEU*     3.4    33.4    -      -       +      +
    123A  TRP*     3.7    22.0    -      +       +      -
    125A  TRP*     5.3     0.2    -      -       -      -
    157A  GLY*     3.2    28.3    -      -       -      -
    158A  ILE*     4.0     2.0    -      -       -      -
    159A  ASP*     3.7    15.0    -      -       +      -
    164A  ALA*     5.5     0.2    -      -       +      -
    176A  TYR*     3.7    20.6    -      -       -      -
    180A  ILE*     4.0    17.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 78 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  PRO*     4.4    11.2    -      -       +      -
      6A  ASP      5.5     0.9    -      -       -      +
      7A  LEU*     3.3    34.1    -      -       +      -
      8A  PRO*     3.9    11.8    -      -       +      +
      9A  TYR*     2.8    24.1    +      -       -      -
     23A  MET*     3.7    26.0    -      -       +      -
     26A  HIS*     3.5    43.1    -      +       +      -
     27A  HIS*     3.9    25.8    +      -       +      -
     31A  HIS*     2.9    29.6    -      +       -      -
     74A  HIS*     3.0    30.9    +      +       +      +
     75A  SER*     4.0     9.2    -      -       -      +
     76A  ILE      3.3     0.4    -      -       -      -
     77A  PHE*     1.3    96.1    -      +       -      +
     79A  THR*     1.3    63.0    +      -       +      +
     81A  LEU*     3.3    10.2    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 79 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  PRO*     4.5    14.8    -      -       +      -
     75A  SER      3.6    12.6    -      -       -      +
     76A  ILE      2.7    17.9    +      -       -      -
     78A  TRP*     1.3    73.8    -      -       +      +
     80A  ASN*     1.3    55.6    +      -       -      +
     81A  LEU      3.2     6.5    -      -       -      -
    185A  ASN*     3.2    15.0    +      -       -      +
    188A  ASN*     3.2    36.8    +      -       -      +
    192A  ARG*     2.9    23.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 80 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     76A  ILE*     3.0    27.3    +      -       -      +
     77A  PHE*     3.0    13.3    +      -       +      +
     79A  THR*     1.3    76.8    -      -       -      +
     81A  LEU*     1.3    59.4    +      -       +      +
    155A  LEU      3.3    14.9    +      -       -      -
    156A  LEU*     3.4    18.5    -      -       +      -
    157A  GLY*     2.9    31.0    +      -       -      +
    184A  ILE*     3.6    10.2    -      -       -      +
    185A  ASN*     2.7    29.2    +      -       -      +
    188A  ASN*     2.8    23.3    +      -       -      -
    189A  VAL*     4.4     2.8    -      -       -      +
    192A  ARG*     3.7     5.7    -      -       -      +
----------------------------------------------------------
 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