Contacts of the helix formed by residues 44 - 74 (chain B) in PDB entry 6TOS


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 GLN 44 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43B  LYS*     1.4    80.6    -      -       +      +
     45B  TYR*     1.3    63.7    +      -       -      +
     46B  ALA*     3.5     3.6    +      -       -      -
     47B  TRP*     4.3     8.1    +      -       -      +
     48B  VAL*     4.6    10.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 45 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42B  PRO*     3.7    19.7    -      -       +      -
     43B  LYS      3.7     0.6    -      -       -      +
     44B  GLN*     1.3    76.6    -      -       -      +
     46B  ALA*     1.4    52.3    +      -       -      +
     48B  VAL*     3.2    17.9    +      -       +      +
     49B  LEU*     2.9    53.7    +      -       +      +
    338B  ALA*     3.6    22.9    +      -       +      +
    341B  THR*     3.7    27.0    -      -       +      +
    342B  PHE*     3.5    34.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 46 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41B  TYR*     3.6    22.0    -      -       +      -
     42B  PRO*     3.3    35.5    -      -       +      +
     43B  LYS      5.4     1.1    -      -       -      +
     44B  GLN      3.5     1.7    -      -       -      +
     45B  TYR*     1.4    75.3    -      -       -      +
     47B  TRP*     1.4    58.6    +      -       -      +
     49B  LEU*     3.3     7.3    +      -       -      +
     50B  ILE*     3.0    43.4    +      -       +      +
    108B  ILE*     4.7     2.6    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 47 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44B  GLN      4.3     6.0    +      -       -      +
     45B  TYR      3.6     0.6    -      -       -      -
     46B  ALA*     1.4    73.1    -      -       -      +
     48B  VAL*     1.4    78.2    +      -       +      +
     50B  ILE*     3.5    10.9    +      -       +      +
     51B  ALA*     3.0    42.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 48 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44B  GLN      4.6     9.2    -      -       -      +
     45B  TYR*     3.2    18.4    +      -       +      +
     47B  TRP*     1.4    93.0    -      -       +      +
     49B  LEU*     1.3    56.9    +      -       -      +
     51B  ALA*     3.8     2.2    -      -       -      +
     52B  ALA*     2.9    38.5    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 49 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42B  PRO*     4.7     6.7    -      -       +      -
     45B  TYR*     2.9    37.6    +      -       +      +
     46B  ALA*     3.4     5.8    -      -       -      +
     48B  VAL*     1.3    74.5    -      -       -      +
     50B  ILE*     1.3    65.0    +      -       -      +
     52B  ALA*     4.0     3.4    -      -       +      +
     53B  TYR*     3.1    56.2    +      -       +      -
    104B  LEU*     4.5     0.2    -      -       -      -
    107B  ASP*     4.2    11.7    -      -       +      +
    108B  ILE*     3.7    25.8    -      -       +      -
    341B  THR*     3.5    36.1    -      -       +      -
    345B  TRP*     5.0     8.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 50 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41B  TYR*     6.4     0.9    -      -       +      -
     46B  ALA*     3.0    30.6    +      -       +      +
     47B  TRP*     3.9     9.2    -      -       +      +
     49B  LEU*     1.3    72.4    -      -       -      +
     51B  ALA*     1.4    53.3    +      -       -      +
     53B  TYR*     3.2     4.3    +      -       -      +
     54B  VAL*     2.9    50.9    +      -       +      +
    104B  LEU*     4.0    24.5    -      -       +      -
    108B  ILE*     4.1    22.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 51 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     47B  TRP*     3.0    42.0    +      -       +      +
     48B  VAL*     3.9     3.6    -      -       -      +
     50B  ILE*     1.4    75.6    -      -       -      +
     52B  ALA*     1.4    58.5    +      -       -      +
     54B  VAL*     3.4     4.7    +      -       -      +
     55B  ALA*     3.0    32.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 52 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48B  VAL*     2.9    27.6    +      -       +      +
     49B  LEU*     4.0     5.2    -      -       +      +
     51B  ALA*     1.4    72.3    -      -       -      +
     53B  TYR*     1.3    56.6    +      -       -      +
     55B  ALA*     4.1     4.2    -      -       -      +
     56B  VAL*     3.2    22.3    +      -       -      +
    345B  TRP*     2.9    40.4    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 53 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49B  LEU*     3.1    49.6    +      -       +      +
     50B  ILE      3.5     4.5    -      -       -      +
     52B  ALA*     1.3    74.6    -      -       -      +
     54B  VAL*     1.4    59.9    +      -       -      +
     56B  VAL*     3.6     1.6    +      -       -      -
     57B  PHE*     3.0    27.7    +      -       -      +
    100B  LEU*     3.6    42.3    -      -       +      +
    103B  SER*     3.0    13.5    +      -       -      -
    104B  LEU*     3.7    37.0    -      -       +      -
    107B  ASP*     2.8    24.4    +      -       -      -
    344B  HIS*     3.6    12.0    -      -       -      +
    345B  TRP*     3.7    24.9    +      +       +      -
    348B  TYR*     3.8    20.8    -      +       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 54 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     50B  ILE*     2.9    35.7    +      -       +      +
     51B  ALA*     4.1     5.6    -      -       -      +
     53B  TYR*     1.4    73.2    -      -       -      +
     55B  ALA*     1.4    59.9    +      -       -      +
     57B  PHE*     3.3    11.3    +      -       +      +
     58B  VAL*     2.9    40.3    +      -       +      +
    104B  LEU*     4.7    10.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 55 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51B  ALA      3.0    18.4    +      -       -      +
     52B  ALA*     4.1     5.8    -      -       -      +
     54B  VAL*     1.4    75.0    -      -       -      +
     56B  VAL*     1.3    58.2    +      -       +      +
     58B  VAL*     3.9     4.6    -      -       -      +
     59B  VAL*     3.0    39.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 56 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     52B  ALA      3.2    21.6    +      -       -      +
     53B  TYR*     4.0     3.1    -      -       -      +
     54B  VAL      3.3     0.2    -      -       -      -
     55B  ALA*     1.3    75.1    -      -       +      +
     57B  PHE*     1.4    60.1    +      -       -      +
     59B  VAL*     4.8     0.2    -      -       -      -
     60B  ALA*     2.8    32.9    +      -       +      +
    100B  LEU*     3.8     6.1    -      -       +      -
    345B  TRP*     3.4    28.3    -      -       +      +
    348B  TYR*     3.3    43.1    -      -       +      +
    349B  ALA*     3.7    11.9    -      -       +      +
    352B  ALA*     4.1    13.3    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 57 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53B  TYR      3.0    18.8    +      -       -      +
     54B  VAL*     3.4    13.7    -      -       +      +
     56B  VAL*     1.4    77.3    -      -       -      +
     58B  VAL*     1.4    68.9    +      -       +      +
     61B  LEU*     3.2    57.6    +      -       +      +
     96B  THR*     3.4    38.5    -      -       +      +
     97B  ALA*     4.1     9.9    -      -       -      -
    100B  LEU*     3.8    17.9    -      -       +      +
    101B  PRO*     4.1    15.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 58 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54B  VAL*     2.9    34.0    +      -       +      +
     55B  ALA*     4.0     5.4    -      -       -      +
     56B  VAL      3.4     0.2    -      -       -      -
     57B  PHE*     1.4    84.3    -      -       +      +
     59B  VAL*     1.3    65.6    +      -       +      +
     61B  LEU*     4.0     3.2    -      -       -      +
     62B  VAL*     3.1    37.0    +      -       +      +
    413B  SOG      6.4     0.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 59 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     55B  ALA*     3.0    25.5    +      -       +      +
     56B  VAL*     4.2     1.6    -      -       -      +
     58B  VAL*     1.3    77.2    -      -       +      +
     60B  ALA*     1.3    56.5    +      -       -      +
     63B  GLY*     3.0    27.2    +      -       -      -
    352B  ALA*     3.9    19.3    -      -       +      +
    355B  PRO*     5.2     0.6    -      -       +      +
    356B  ILE*     3.9    28.9    -      -       +      -
    413B  SOG      3.9    27.9    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 60 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56B  VAL*     2.8    23.2    +      -       +      +
     59B  VAL*     1.3    72.7    -      -       -      +
     61B  LEU*     1.4    65.4    +      -       -      +
     64B  ASN*     2.7    35.5    +      -       -      +
     92B  ASP      6.0     0.2    -      -       -      -
     93B  VAL*     4.6     1.4    -      -       -      +
     96B  THR*     3.5    27.4    -      -       +      +
    348B  TYR      5.0     1.3    -      -       -      +
    351B  SER*     3.8     7.2    -      -       -      -
    352B  ALA*     3.8    23.9    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 61 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57B  PHE*     3.2    48.4    +      -       +      +
     58B  VAL*     4.0     4.0    -      -       -      +
     60B  ALA*     1.4    71.5    -      -       -      +
     62B  VAL*     1.4    59.6    +      -       +      +
     64B  ASN*     4.6     0.2    -      -       -      +
     65B  THR*     2.7    42.7    +      -       +      +
     93B  VAL*     4.7    16.2    -      -       +      +
     96B  THR*     3.7    24.7    -      -       +      -
     97B  ALA*     4.3    18.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 62 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     58B  VAL*     3.1    28.1    +      -       +      +
     61B  LEU*     1.4    75.5    -      -       +      +
     63B  GLY*     1.3    61.6    +      -       -      +
     65B  THR*     2.7    19.8    +      -       -      -
     66B  LEU*     3.1    32.6    +      -       +      +
    373B  PHE*     4.5     8.7    -      -       +      -
    413B  SOG      3.8    23.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 63 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     59B  VAL      3.0    18.4    +      -       -      -
     62B  VAL*     1.3    77.1    -      -       -      +
     64B  ASN*     1.3    56.1    +      -       -      +
     66B  LEU*     3.3     9.1    +      -       -      +
     67B  VAL*     3.2    28.1    +      -       -      +
    355B  PRO*     3.4    22.1    -      -       -      +
    369B  PHE*     4.7     0.9    -      -       -      -
    413B  SOG      4.2    15.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 64 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60B  ALA*     2.7    30.8    +      -       -      +
     63B  GLY*     1.3    73.1    -      -       -      +
     65B  THR*     1.3    64.7    +      -       -      +
     67B  VAL*     3.3    11.0    +      -       -      +
     68B  CYS*     3.4    19.1    +      -       -      -
     89B  SER*     2.7    39.2    +      -       -      +
     92B  ASP*     4.1    13.1    -      -       -      +
     93B  VAL*     3.8    18.3    -      -       +      +
    351B  SER      2.8    28.5    +      -       -      +
    354B  ASN*     5.0     2.4    -      -       -      +
    355B  PRO*     3.5    13.3    -      -       -      +
    358B  TYR*     5.6     0.2    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 65 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61B  LEU*     2.7    28.5    +      -       +      +
     62B  VAL*     2.7    16.3    +      -       -      -
     64B  ASN*     1.3    74.7    -      -       -      +
     66B  LEU*     1.4    58.1    +      -       -      +
     68B  CYS*     3.3    10.9    +      -       -      +
     69B  LEU*     3.0    39.2    +      -       -      +
     93B  VAL*     4.8    11.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 66 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     62B  VAL*     3.1    30.9    +      -       +      +
     63B  GLY*     3.5     8.1    -      -       -      +
     64B  ASN      3.2     0.2    -      -       -      -
     65B  THR*     1.4    74.6    -      -       -      +
     67B  VAL*     1.4    54.4    +      -       -      +
     69B  LEU*     3.7    19.8    -      -       +      +
     70B  ALA*     2.8    35.0    +      -       -      +
    369B  PHE*     3.7    22.1    -      -       +      -
    372B  ALA*     3.6    27.6    -      -       +      -
    373B  PHE*     3.9    35.0    -      -       +      -
    413B  SOG      4.6     7.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 67 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63B  GLY      3.2    16.0    +      -       -      +
     64B  ASN      3.6     2.0    -      -       -      +
     65B  THR      3.3     0.4    -      -       -      -
     66B  LEU*     1.4    77.1    -      -       -      +
     68B  CYS*     1.4    60.0    +      -       -      +
     70B  ALA*     3.4     1.7    +      -       -      +
     71B  VAL*     3.3    25.3    +      -       -      +
     85B  LEU      4.4     9.2    -      -       -      +
     86B  VAL*     4.5     9.4    -      -       +      -
     89B  SER*     3.5    29.8    -      -       -      +
    355B  PRO*     4.0    10.5    -      -       +      -
    358B  TYR*     3.7    30.7    -      -       +      -
    365B  PHE*     3.7    24.2    -      -       +      -
    369B  PHE*     4.0     7.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 68 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64B  ASN      3.4    14.6    +      -       -      -
     65B  THR*     3.3    10.0    +      -       -      +
     67B  VAL*     1.4    75.8    -      -       -      +
     69B  LEU*     1.3    58.1    +      -       +      +
     71B  VAL*     3.6     2.4    +      -       -      +
     72B  TRP*     3.1    29.0    +      -       -      +
     86B  VAL*     3.7    32.0    -      -       +      +
     89B  SER*     4.3    12.8    -      -       -      -
     90B  LEU*     4.4    15.5    -      -       -      -
     93B  VAL*     6.3     1.6    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 69 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65B  THR*     3.0    26.0    +      -       -      +
     66B  LEU*     3.8    22.9    -      -       +      +
     68B  CYS*     1.3    74.7    -      -       +      +
     70B  ALA*     1.4    54.3    +      -       -      +
     72B  TRP*     3.2    27.5    +      -       +      +
     73B  ARG*     2.7    40.0    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 70 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     66B  LEU      2.8    21.7    +      -       -      +
     67B  VAL      3.6     5.2    -      -       -      +
     69B  LEU*     1.4    70.0    -      -       -      +
     71B  VAL*     1.3    57.0    +      -       -      +
     73B  ARG*     4.0     0.5    -      -       -      +
     74B  ASN*     3.0    25.8    +      -       -      +
     77B  MET*     3.1    18.9    -      -       +      +
    365B  PHE*     3.9    18.6    -      -       +      -
    368B  GLN*     3.6    35.7    -      -       +      -
    369B  PHE*     4.3     2.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 71 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67B  VAL      3.3    14.6    +      -       -      +
     68B  CYS      4.1     1.3    -      -       -      +
     70B  ALA*     1.3    73.0    -      -       -      +
     72B  TRP*     1.3    63.2    +      -       -      +
     74B  ASN      3.3    13.1    -      -       -      +
     77B  MET*     4.0    20.9    -      -       +      +
     78B  ARG*     3.1    19.9    +      -       +      +
     82B  ASN*     4.1    12.3    -      -       +      -
     83B  TYR*     3.9    29.4    -      -       +      -
     86B  VAL*     3.6    26.9    -      -       +      -
    365B  PHE*     3.9    23.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 72 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     68B  CYS      3.1    19.3    +      -       -      +
     69B  LEU*     3.7    29.6    -      -       +      +
     71B  VAL*     1.3    78.3    -      -       -      +
     73B  ARG*     1.3    84.7    +      -       +      +
     75B  HIS*     3.8     5.8    +      -       -      -
     78B  ARG*     2.8    36.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 73 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69B  LEU      2.7    21.3    +      -       -      +
     70B  ALA      4.0     0.2    -      -       -      +
     72B  TRP*     1.3    91.7    -      -       +      +
     74B  ASN*     1.3    59.0    +      -       -      +
     75B  HIS*     3.7    10.9    +      -       -      -
    367B  GLU      5.9     0.2    -      -       -      -
    368B  GLN*     3.1    34.6    +      -       -      +
    371B  ALA*     3.8    26.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 74 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     70B  ALA      3.0     6.3    +      -       -      -
     71B  VAL      3.3    14.6    -      -       -      +
     73B  ARG*     1.3    73.0    -      -       -      +
     75B  HIS*     1.4    57.0    +      -       -      +
     76B  HIS*     3.0    30.5    +      -       -      +
     77B  MET*     3.0    50.8    +      -       +      +
     78B  ARG      3.9     0.3    +      -       -      -
    364B  LYS*     4.8    10.1    +      -       -      +
    367B  GLU*     5.6     3.2    +      -       -      -
    368B  GLN*     3.4    30.0    -      -       -      +
----------------------------------------------------------
 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