Contacts of the helix formed by residues 23 - 55 (chain D) in PDB entry 6XXD


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 ASN 23 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     22D  PRO*     1.3    73.0    -      -       -      +
     24D  LEU*     1.3    61.3    +      -       -      +
     25D  LEU*     3.4     4.7    +      -       -      +
     26D  ALA*     2.9    36.1    +      -       -      +
     27D  ALA*     3.5    19.4    +      -       -      +
     42G  ASP*     5.2     2.4    +      -       -      -
     46G  PHE*     3.7    21.0    -      -       +      -
     68G  GLY*     2.8    34.8    +      -       -      -
     70G  LYS*     4.8     8.4    -      -       -      +
    106H  ASP*     3.1    38.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 24 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21D  ILE*     5.4     5.4    -      -       +      -
     22D  PRO*     3.8    27.4    -      -       +      +
     23D  ASN*     1.3    71.8    -      -       -      +
     25D  LEU*     1.3    66.8    +      -       -      +
     27D  ALA*     3.2     8.0    +      -       +      +
     28D  ARG*     3.1    29.4    +      -       +      +
     44H  VAL*     3.5    20.9    -      -       +      -
     48H  GLU*     3.8    31.6    -      -       +      +
     57H  TYR*     6.0     0.2    -      -       -      -
     88H  TYR*     3.5    24.7    -      -       -      +
    104H  THR      5.3     0.4    -      -       -      +
    105H  PRO*     3.1    20.2    +      -       +      +
    108H  GLY*     6.2     1.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 25 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23D  ASN*     3.4     1.2    +      -       -      -
     24D  LEU*     1.3    78.4    -      -       -      +
     26D  ALA*     1.3    61.3    +      -       -      +
     28D  ARG*     3.5     8.8    +      -       +      +
     29D  LYS*     3.3    46.3    +      -       +      +
     96D  GLY*     5.9     2.2    -      -       -      +
     57H  TYR*     6.2     0.4    -      -       -      -
     86H  ASN*     3.1    30.7    -      -       +      +
     87H  SER*     4.9     6.5    -      -       -      +
    105H  PRO*     3.7    16.9    +      -       +      +
    106H  ASP*     3.8    39.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 26 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23D  ASN*     2.9    27.4    +      -       +      +
     25D  LEU*     1.3    73.4    -      -       -      +
     27D  ALA*     1.3    65.8    +      -       -      +
     29D  LYS*     3.4    26.9    +      -       -      +
     30D  ARG*     3.8     5.5    +      -       -      +
     46G  PHE*     3.7    25.1    -      -       +      -
     49G  MET*     3.8    22.3    -      -       +      +
     67G  LEU      4.4     7.6    -      -       -      +
     68G  GLY*     4.9     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 27 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23D  ASN      3.5    13.2    +      -       -      +
     24D  LEU*     3.2    12.6    +      -       +      +
     26D  ALA*     1.3    80.9    -      -       -      +
     28D  ARG*     1.3    60.3    +      -       +      +
     30D  ARG*     3.8     6.6    +      -       -      +
     31D  ALA*     3.6    17.2    +      -       -      +
     49G  MET*     5.2     3.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 28 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24D  LEU*     3.1    17.2    +      -       -      +
     25D  LEU*     3.9     9.9    -      -       +      +
     26D  ALA      3.3     0.2    -      -       -      -
     27D  ALA*     1.3    76.5    -      -       +      +
     29D  LYS*     1.3    55.4    +      -       -      +
     31D  ALA*     3.2     9.9    +      -       -      +
     32D  ASN*     2.7    53.2    +      -       -      +
     48H  GLU*     3.0    25.5    +      -       -      +
     51H  GLN*     3.5    37.9    +      -       -      +
     52H  ILE*     5.3     6.1    -      -       -      +
     57H  TYR*     3.6    22.9    -      -       -      -
     86H  ASN*     6.1     1.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 29 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25D  LEU*     3.3    46.1    +      -       +      +
     26D  ALA*     3.4    16.0    +      -       -      +
     28D  ARG*     1.3    76.9    -      -       -      +
     30D  ARG*     1.3    59.5    +      -       +      +
     32D  ASN*     3.4     3.0    +      -       -      +
     33D  ASP*     3.1    34.5    +      -       -      +
     96D  GLY*     3.6    23.5    +      -       -      +
     97D  GLY*     3.6    19.8    -      -       -      +
     98D  THR*     4.1    17.9    -      -       +      -
     49G  MET*     5.8     1.3    -      -       +      -
     67G  LEU      5.5     4.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 30 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26D  ALA      4.0    11.2    +      -       -      +
     27D  ALA*     3.8     6.7    +      -       -      +
     28D  ARG      3.2     0.6    -      -       -      -
     29D  LYS*     1.3    76.4    -      -       -      +
     31D  ALA*     1.3    61.9    +      -       -      +
     33D  ASP*     3.4    16.1    +      -       -      +
     34D  THR*     2.9    26.4    +      -       -      -
     98D  THR*     3.7    25.3    +      -       -      +
    111D  LYS*     5.2     3.6    -      -       -      +
     49G  MET*     3.5    47.1    +      -       +      +
     52G  ILE*     4.3    26.9    -      -       +      +
     53G  ASP*     2.7    41.5    +      -       -      -
     67G  LEU*     4.2    10.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 31 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     27D  ALA      3.6    11.9    +      -       -      +
     28D  ARG*     3.2    12.7    +      -       -      +
     30D  ARG*     1.3    78.4    -      -       -      +
     32D  ASN*     1.3    62.5    +      -       -      +
     34D  THR*     3.3    10.8    +      -       -      -
     35D  VAL*     3.2    25.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 32 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28D  ARG*     2.7    39.7    +      -       -      +
     29D  LYS      3.5     5.6    -      -       -      +
     30D  ARG      3.3     0.2    -      -       -      -
     31D  ALA*     1.3    71.8    -      -       -      +
     33D  ASP*     1.3    63.7    +      -       -      +
     35D  VAL*     3.4     8.9    +      -       -      +
     36D  VAL*     3.2    26.5    +      -       -      +
     94D  HIS*     3.2    43.2    +      -       +      -
     96D  GLY      2.9    24.5    +      -       -      +
     97D  GLY*     4.3     1.1    -      -       -      -
     86H  ASN*     3.5    13.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 33 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     29D  LYS      3.1    16.9    +      -       -      +
     30D  ARG*     3.6    20.2    +      -       -      +
     31D  ALA      3.3     0.2    -      -       -      -
     32D  ASN*     1.3    73.1    -      -       -      +
     34D  THR*     1.3    57.7    +      -       -      +
     36D  VAL*     3.3     3.8    +      -       -      +
     37D  THR*     2.7    38.6    +      -       -      +
     94D  HIS*     5.5     0.5    -      -       -      +
     97D  GLY*     3.8     3.8    -      -       -      -
     98D  THR*     2.7    50.2    +      -       -      +
     99D  VAL      4.7     0.2    -      -       -      +
    101D  PHE*     3.8    27.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 34 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30D  ARG      2.9    16.4    +      -       -      -
     31D  ALA*     3.3    12.7    +      -       -      -
     33D  ASP*     1.3    76.8    -      -       -      +
     35D  VAL*     1.3    57.4    +      -       -      +
     37D  THR*     4.0     5.9    -      -       -      -
     38D  ALA*     2.8    35.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 35 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31D  ALA      3.2    15.6    +      -       -      +
     32D  ASN*     3.6    13.5    -      -       -      +
     33D  ASP      3.3     0.6    -      -       -      -
     34D  THR*     1.3    78.0    -      -       -      +
     36D  VAL*     1.3    57.3    +      -       -      +
     38D  ALA*     3.9     4.6    -      -       -      +
     39D  TYR*     3.0    28.2    +      -       -      +
     73D  PRO*     3.9    30.1    -      -       +      -
     76D  VAL*     4.3    10.1    -      -       +      -
     94D  HIS*     4.6     6.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 36 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     32D  ASN      3.2    14.6    +      -       -      +
     33D  ASP*     3.7     8.1    -      -       -      +
     35D  VAL*     1.3    75.2    -      -       -      +
     37D  THR*     1.3    60.1    +      -       -      +
     39D  TYR*     3.5     4.5    +      -       -      +
     40D  LEU*     3.0    32.2    +      -       +      +
     76D  VAL*     4.5    11.2    -      -       +      -
     92D  ALA*     3.5    32.9    -      -       +      +
     93D  GLY*     3.7     4.5    -      -       -      +
     94D  HIS*     3.4    35.7    -      -       +      +
    101D  PHE*     3.6    26.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 37 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     33D  ASP*     2.7    29.1    +      -       -      +
     34D  THR*     4.0     6.5    -      -       -      -
     36D  VAL*     1.3    75.1    -      -       -      +
     38D  ALA*     1.3    57.0    +      -       -      +
     40D  LEU*     3.6     2.0    +      -       -      +
     41D  ASN*     2.9    32.3    +      -       +      +
    101D  PHE*     3.3    22.8    -      -       +      -
    109D  VAL*     4.3    23.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 38 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34D  THR*     2.8    23.5    +      -       +      +
     35D  VAL*     3.9     6.1    -      -       -      +
     37D  THR*     1.3    76.3    -      -       -      +
     39D  TYR*     1.3    56.7    +      -       -      +
     41D  ASN*     3.3     8.4    +      -       -      +
     42D  ASP*     2.8    39.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 39 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     35D  VAL      3.0    19.0    +      -       -      +
     36D  VAL*     4.0     4.7    -      -       -      +
     38D  ALA*     1.3    72.7    -      -       -      +
     40D  LEU*     1.3    56.9    +      -       +      +
     42D  ASP*     3.4     8.9    +      -       -      +
     43D  ALA*     2.8    32.9    +      -       -      +
     61D  GLN*     3.1    21.0    +      -       -      -
     69D  LEU*     3.8    24.0    -      -       +      +
     70D  LYS*     2.9    30.0    +      -       +      -
     71D  SER      3.4    18.8    -      -       -      -
     72D  THR*     3.5     7.0    +      -       -      -
     73D  PRO*     3.7    26.0    -      -       +      -
     76D  VAL*     5.4     3.6    -      -       +      -
     78D  PHE*     3.6    44.6    -      +       +      -
----------------------------------------------------------
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Residues in contact with LEU 40 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36D  VAL*     3.0    25.9    +      -       +      +
     37D  THR      3.9     0.2    -      -       -      +
     39D  TYR*     1.3    73.5    -      -       -      +
     41D  ASN*     1.3    59.6    +      -       -      +
     43D  ALA*     3.5     2.8    -      -       -      +
     44D  VAL*     2.9    34.8    +      -       -      +
     78D  PHE*     3.9    18.8    -      -       +      -
     90D  MET*     3.8    20.1    -      -       +      +
     92D  ALA*     3.6    22.0    -      -       +      -
    101D  PHE*     3.3    44.0    -      -       +      +
    102D  ALA      3.9     1.8    -      -       -      +
    103D  ALA*     3.8     9.0    -      -       +      -
    109D  VAL*     3.8    25.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 41 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37D  THR*     2.9    22.5    +      -       +      +
     38D  ALA*     3.5     8.3    +      -       -      +
     40D  LEU*     1.3    75.4    -      -       -      +
     42D  ASP*     1.3    62.0    +      -       -      +
     44D  VAL*     3.7     7.1    +      -       -      +
     45D  LYS*     3.5    49.7    +      -       -      +
    109D  VAL*     4.0    12.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 42 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38D  ALA*     2.8    27.8    +      -       -      +
     39D  TYR*     3.6    10.4    -      -       +      +
     41D  ASN*     1.3    76.8    +      -       -      +
     43D  ALA*     1.3    64.4    +      -       -      +
     45D  LYS*     3.1    34.1    +      -       -      +
     46D  PHE*     3.2    24.5    +      -       +      -
     69D  LEU*     3.7    18.2    -      -       +      -
     70D  LYS*     5.4     6.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 43 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39D  TYR*     2.8    21.3    +      -       +      +
     40D  LEU*     3.3     9.4    +      -       -      +
     42D  ASP*     1.3    74.0    -      -       -      +
     44D  VAL*     1.3    55.0    +      -       -      +
     46D  PHE*     3.6     2.1    +      -       -      +
     47D  GLN*     3.1    33.6    +      -       -      +
     64D  LEU*     4.5     2.3    -      -       +      +
     69D  LEU*     4.0    18.8    -      -       +      +
     78D  PHE*     3.9    20.6    -      -       +      -
     90D  MET*     3.6    20.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 44 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     40D  LEU      2.9    21.0    +      -       -      +
     41D  ASN*     3.8     9.4    -      -       -      +
     43D  ALA*     1.3    74.2    -      -       -      +
     45D  LYS*     1.3    64.5    +      -       +      +
     47D  GLN*     3.5     5.9    +      -       -      +
     48D  GLU*     3.2    28.8    +      -       +      +
     88D  TYR*     3.4    25.3    +      -       +      +
     90D  MET*     4.0    13.7    -      -       +      -
    103D  ALA*     4.3     7.2    -      -       +      -
    104D  THR      5.3     2.7    -      -       -      +
    108D  GLY*     5.6     2.2    -      -       -      -
    109D  VAL*     3.9    19.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 45 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41D  ASN*     3.5    41.2    +      -       -      +
     42D  ASP*     3.1    24.7    +      -       -      +
     44D  VAL*     1.3    79.2    -      -       +      +
     46D  PHE*     1.3    64.6    +      -       +      +
     48D  GLU*     3.1    11.0    +      -       -      +
     49D  MET*     3.0    33.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 46 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42D  ASP*     3.2    28.6    +      -       +      +
     43D  ALA      4.3     2.2    -      -       -      +
     45D  LYS*     1.3    81.5    -      -       +      +
     47D  GLN*     1.3    59.8    +      -       -      +
     49D  MET*     3.5    31.5    -      -       +      +
     50D  TYR*     3.2    21.7    +      -       -      +
     64D  LEU*     3.4    26.6    -      -       +      +
     67D  LEU*     3.9    22.2    -      -       +      +
     68D  GLY*     3.4    25.1    -      -       -      -
     69D  LEU*     3.3    44.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 47 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43D  ALA      3.1    25.4    +      -       -      +
     44D  VAL*     3.6     8.5    -      -       -      +
     45D  LYS      3.2     0.2    -      -       -      -
     46D  PHE*     1.3    77.3    -      -       -      +
     48D  GLU*     1.3    56.9    +      -       -      +
     50D  TYR*     3.5     3.5    +      -       -      +
     51D  GLN*     3.1    25.5    +      -       -      +
     57D  TYR*     3.5    30.5    -      -       +      -
     58D  THR*     3.0    51.9    +      -       -      +
     64D  LEU*     3.8     7.2    -      -       +      +
     80D  ILE*     4.3     3.4    -      -       -      +
     88D  TYR*     4.0    22.4    -      -       +      +
     90D  MET*     3.4    32.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 48 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44D  VAL*     3.2    19.4    +      -       +      +
     45D  LYS*     3.1    10.4    +      -       -      +
     47D  GLN*     1.3    76.0    -      -       +      +
     49D  MET*     1.3    63.1    +      -       +      +
     51D  GLN*     3.4    11.9    +      -       -      +
     52D  ILE*     3.2    28.7    +      -       +      +
     57D  TYR*     3.0    28.1    +      -       -      -
     88D  TYR*     4.5     8.3    +      -       -      -
    105D  PRO*     5.2     2.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 49 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45D  LYS*     3.0    20.1    +      -       +      +
     46D  PHE*     3.5    41.3    -      -       +      +
     47D  GLN      3.3     0.2    -      -       -      -
     48D  GLU*     1.3    75.3    -      -       +      +
     50D  TYR*     1.3    61.2    +      -       -      +
     52D  ILE*     3.4    16.5    +      -       +      +
     53D  ASP*     3.2    28.1    +      -       -      +
     67D  LEU*     3.6    24.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 50 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     46D  PHE      3.2    17.8    +      -       -      +
     47D  GLN*     3.7     6.1    -      -       -      +
     48D  GLU      3.4     0.2    -      -       -      -
     49D  MET*     1.3    73.7    -      -       -      +
     51D  GLN*     1.3    59.6    +      -       -      +
     53D  ASP*     4.5     2.2    -      -       -      +
     54D  ASN*     2.8    68.3    +      -       +      +
     56D  SER*     3.5    19.7    -      -       -      +
     57D  TYR      4.8     1.8    -      -       -      -
     58D  THR*     3.3    38.4    -      -       +      -
     63D  ALA*     3.8    17.5    -      -       +      +
     64D  LEU*     4.7     0.7    -      -       +      -
     67D  LEU*     3.4    27.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 51 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     47D  GLN      3.1    14.3    +      -       -      +
     48D  GLU*     3.4    18.6    -      -       -      +
     49D  MET      3.3     0.4    -      -       -      -
     50D  TYR*     1.3    74.1    -      -       -      +
     52D  ILE*     1.3    62.4    +      -       +      +
     55D  ASN*     3.2    53.9    +      -       -      +
     56D  SER      3.0    27.0    +      -       -      +
     57D  TYR*     3.2    32.6    -      -       +      +
     85D  ALA      3.4     8.4    +      -       -      +
     86D  ASN*     5.6     4.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 52 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48D  GLU*     3.2    19.1    +      -       +      +
     49D  MET*     3.5    20.4    -      -       +      +
     50D  TYR      3.3     0.4    -      -       -      -
     51D  GLN*     1.3    79.7    -      -       +      +
     53D  ASP*     1.3    69.3    +      -       -      +
     55D  ASN*     4.0     8.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 53 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49D  MET      3.2    16.0    +      -       -      +
     50D  TYR*     3.3     5.5    +      -       -      +
     52D  ILE*     1.3    89.2    -      -       -      +
     54D  ASN*     1.3    76.0    +      -       -      +
     55D  ASN*     3.9     5.4    +      -       -      +
     67D  LEU*     4.6    15.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 54 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     50D  TYR*     2.8    64.9    +      -       +      +
     53D  ASP*     1.3    89.0    -      -       -      +
     55D  ASN*     1.3    72.8    +      -       -      +
     56D  SER*     4.3     7.0    -      -       -      +
     67D  LEU*     5.7     0.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 55 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     50D  TYR      3.9     0.4    +      -       -      -
     51D  GLN*     3.2    37.3    +      -       -      +
     52D  ILE      4.0    10.5    +      -       -      -
     53D  ASP      4.5     4.4    +      -       -      +
     54D  ASN*     1.3    81.2    -      -       -      +
     56D  SER*     1.3    60.1    +      -       -      +
     85D  ALA*     4.2     8.8    -      -       -      +
----------------------------------------------------------
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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