Contacts of the helix formed by residues 311 - 339 (chain A) in PDB entry 3QER


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 LYS 311 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    306A  ASP      6.0     0.4    -      -       -      -
    307A  GLY*     5.7     0.4    -      -       -      -
    308A  PRO*     3.0    29.4    +      -       +      +
    310A  SER*     1.3    85.3    +      -       -      +
    312A  LEU*     1.3    54.4    +      -       -      +
    313A  ARG      3.4     2.2    -      -       -      -
    314A  GLU*     3.2    25.0    -      -       +      +
    315A  SER*     2.7    39.7    +      -       -      +
    820A  ASP*     4.2    19.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 312 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    305A  TYR*     3.8    51.8    -      -       +      -
    306A  ASP      4.4     8.1    -      -       -      +
    308A  PRO      3.3     9.1    +      -       -      +
    309A  ILE*     3.2    20.6    +      -       +      +
    311A  LYS*     1.3    74.7    -      -       -      +
    313A  ARG*     1.3    58.4    +      -       -      +
    315A  SER*     3.6     4.0    -      -       -      +
    316A  ASN*     2.7    57.6    +      -       +      +
    319A  ARG*     4.7     5.4    -      -       +      -
    320A  TYR*     3.9    31.6    -      -       +      +
    323A  TYR*     4.9     8.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 313 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    118A  THR*     3.6    19.2    +      -       +      +
    134A  ASP*     3.3    34.5    +      -       -      +
    151A  LEU      2.9    28.9    +      -       -      -
    152A  LEU      3.2    22.8    +      -       -      -
    154A  SER*     3.7    21.9    +      -       -      -
    156A  TYR*     4.1     6.1    +      -       -      +
    157A  GLY*     2.8    32.7    +      -       -      +
    159A  VAL*     3.6    16.1    -      -       +      +
    309A  ILE      4.4     1.0    +      -       -      -
    310A  SER      5.3     0.4    -      -       -      +
    311A  LYS      3.4     0.4    -      -       -      -
    312A  LEU*     1.3    78.1    -      -       -      +
    314A  GLU*     1.3    59.7    +      -       -      +
    317A  HIS*     3.0    40.6    +      -       +      +
    320A  TYR*     3.6    34.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 314 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    118A  THR*     5.2     3.3    -      -       +      +
    156A  TYR*     4.0    24.8    -      -       -      +
    157A  GLY*     5.4     3.6    -      -       -      -
    159A  VAL*     4.7    11.8    -      -       -      +
    310A  SER      3.7    15.3    -      -       -      +
    311A  LYS*     3.2    34.2    -      -       +      +
    313A  ARG*     1.3    81.3    -      -       -      +
    315A  SER*     1.3    62.2    +      -       -      +
    317A  HIS*     4.9     0.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 315 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    306A  ASP      4.8     6.2    +      -       -      -
    311A  LYS*     2.7    26.7    +      -       -      +
    312A  LEU*     3.5    10.0    +      -       -      +
    314A  GLU*     1.3    80.4    -      -       -      +
    316A  ASN*     1.3    66.3    +      -       -      +
    317A  HIS      4.0     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASN 316 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312A  LEU*     2.7    33.2    +      -       +      +
    315A  SER*     1.3    77.1    +      -       -      +
    317A  HIS*     1.3    65.2    +      -       -      +
    318A  GLN*     3.5    11.4    -      -       -      +
    319A  ARG*     3.1    39.1    +      -       -      +
    320A  TYR      2.9    18.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with HIS 317 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    150A  ASP*     2.8    44.0    +      -       -      -
    152A  LEU*     4.0     1.1    -      -       +      -
    159A  VAL*     3.5    30.8    -      -       +      +
    160A  GLU      2.8    29.2    +      -       -      +
    161A  GLU      4.4     0.8    -      -       -      -
    162A  TRP*     3.9    10.4    +      -       +      -
    313A  ARG*     3.0    34.5    +      -       +      +
    314A  GLU      4.9     0.8    +      -       -      +
    315A  SER      4.0     0.6    -      -       -      -
    316A  ASN*     1.3    73.0    -      -       -      +
    318A  GLN*     1.3    64.7    +      -       -      +
    320A  TYR*     3.2     7.2    +      +       -      +
    321A  ILE*     3.1    36.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 318 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    161A  GLU      4.6     1.9    -      -       -      +
    162A  TRP*     3.4    30.1    -      -       -      +
    163A  SER*     2.8    50.5    +      -       -      -
    166A  ILE*     3.9    23.9    -      -       +      +
    167A  ALA      3.4     7.9    -      -       -      +
    176A  ASP*     3.0    25.3    +      -       -      +
    316A  ASN*     3.2     9.4    -      -       -      +
    317A  HIS*     1.3    83.9    +      -       -      +
    319A  ARG*     1.3    60.4    +      -       -      +
    322A  SER*     3.2    19.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 319 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    171A  GLN*     3.8    22.4    +      -       -      +
    174A  GLY*     4.7     5.1    +      -       -      -
    175A  GLY      2.8    29.1    +      -       -      -
    176A  ASP*     3.2    19.1    +      -       -      +
    304A  LYS*     3.1    35.1    +      -       -      +
    305A  TYR*     4.1    14.2    -      -       +      +
    312A  LEU*     4.7     3.6    -      -       +      -
    316A  ASN*     3.1    30.9    +      -       +      +
    318A  GLN*     1.3    78.0    -      -       -      +
    320A  TYR*     1.3    57.0    +      -       -      +
    322A  SER*     3.2     1.2    +      -       -      -
    323A  TYR*     2.8    64.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 320 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    116A  GLU*     3.2    30.2    +      -       +      +
    117A  VAL      3.7     1.9    +      -       -      -
    118A  THR*     3.2    18.4    +      -       -      -
    134A  ASP*     2.6    32.3    +      -       -      -
    135A  ALA*     4.5     4.7    -      -       +      -
    309A  ILE*     4.1    23.5    -      -       +      +
    312A  LEU*     3.9    21.9    -      -       +      +
    313A  ARG*     3.6    47.3    -      -       +      -
    316A  ASN      2.9    13.1    +      -       -      +
    317A  HIS*     3.3    14.4    -      +       -      +
    319A  ARG*     1.3    76.2    -      -       -      +
    321A  ILE*     1.3    73.3    +      -       +      +
    323A  TYR*     3.6     2.7    +      -       -      +
    324A  ASN*     3.2    21.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 321 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134A  ASP      4.5     0.9    -      -       -      +
    135A  ALA*     3.7    27.4    -      -       +      -
    148A  VAL*     3.9    25.6    -      -       +      -
    149A  PHE      5.3     0.4    -      -       -      +
    150A  ASP*     3.3    28.0    -      -       +      +
    162A  TRP*     3.5    34.1    -      -       +      -
    188A  TYR*     4.7     1.6    -      -       +      -
    317A  HIS*     3.1    31.7    +      -       +      +
    320A  TYR*     1.3    80.7    -      -       +      +
    322A  SER*     1.3    66.3    +      -       -      +
    323A  TYR      3.2     0.2    -      -       -      -
    324A  ASN*     3.2     6.3    +      -       +      +
    325A  ILE*     3.0    25.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 322 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    162A  TRP*     2.8    22.8    +      -       -      +
    167A  ALA*     3.4     8.5    -      -       -      +
    176A  ASP*     2.7    45.3    +      -       -      -
    178A  VAL*     3.8     9.6    -      -       -      +
    318A  GLN      3.2     2.0    +      -       -      -
    319A  ARG      3.2     5.0    +      -       -      -
    321A  ILE*     1.3    78.3    -      -       -      +
    323A  TYR*     1.3    60.5    +      -       -      +
    325A  ILE*     3.3     6.7    +      -       -      +
    326A  ILE*     2.9    33.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 323 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    116A  GLU*     5.0     0.4    -      -       -      -
    171A  GLN*     3.0    31.0    +      -       -      -
    176A  ASP*     4.3    10.1    -      -       +      -
    303A  LEU*     3.5    47.9    -      -       +      +
    304A  LYS      2.6    35.9    +      -       -      -
    305A  TYR*     4.0    15.7    -      +       -      -
    312A  LEU*     4.9     4.7    -      -       +      -
    319A  ARG*     2.8    48.9    +      -       +      +
    320A  TYR*     4.0     5.6    -      -       -      +
    322A  SER*     1.3    74.5    -      -       -      +
    324A  ASN*     1.3    60.1    +      -       -      +
    326A  ILE*     4.1     6.4    -      -       +      +
    327A  ALA*     3.0    30.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 324 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114A  ASP*     3.5    30.1    +      -       -      +
    115A  ILE      4.1     0.2    -      -       -      -
    116A  GLU*     3.1    41.4    +      -       +      +
    135A  ALA*     3.9     9.8    -      -       +      +
    136A  ILE      3.6     4.2    -      -       -      -
    137A  THR*     2.7    31.6    +      -       -      +
    148A  VAL*     5.1     1.9    -      -       -      +
    320A  TYR      3.2    13.0    +      -       -      +
    321A  ILE*     3.2    12.4    +      -       -      +
    323A  TYR*     1.3    76.9    -      -       -      +
    325A  ILE*     1.3    60.9    +      -       -      +
    327A  ALA*     3.6     3.4    -      -       -      +
    328A  VAL*     3.4    22.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 325 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    137A  THR*     3.6    22.3    -      -       +      +
    146A  PHE*     4.6    10.3    -      -       +      -
    148A  VAL*     3.7    22.2    -      -       +      -
    162A  TRP*     3.7    33.9    -      -       +      -
    178A  VAL*     4.6     5.6    -      -       +      -
    182A  ILE*     3.8    24.9    -      -       +      -
    186A  ILE*     4.2    16.2    -      -       +      -
    321A  ILE*     3.0    28.2    +      -       +      +
    322A  SER*     3.5     7.2    -      -       -      +
    324A  ASN*     1.3    72.7    -      -       -      +
    326A  ILE*     1.3    67.2    +      -       +      +
    328A  VAL*     3.2     6.9    +      -       -      +
    329A  TYR*     3.1    18.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 326 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176A  ASP      3.7    23.3    -      -       -      +
    177A  GLU      4.1     3.8    -      -       -      +
    178A  VAL*     3.9    25.6    -      -       +      -
    179A  PRO*     4.1    18.2    -      -       +      -
    182A  ILE*     5.4     0.4    -      -       +      -
    303A  LEU*     4.1    16.6    -      -       +      -
    322A  SER*     2.9    24.1    +      -       -      +
    323A  TYR*     4.1    19.3    -      -       +      +
    324A  ASN      3.5     0.2    -      -       -      -
    325A  ILE*     1.3    72.3    -      -       -      +
    327A  ALA*     1.3    56.7    +      -       -      +
    329A  TYR*     3.2    10.2    +      -       +      +
    330A  ARG*     2.8    53.6    +      -       +      +
    333A  GLN*     5.7     0.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 327 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    114A  ASP*     4.5    15.9    -      -       -      +
    116A  GLU*     5.6     1.3    -      -       -      +
    290A  LEU*     3.3    34.9    -      -       +      +
    303A  LEU*     5.0     5.8    -      -       +      +
    323A  TYR      3.0    19.3    +      -       -      +
    324A  ASN*     3.6     8.1    -      -       -      +
    325A  ILE      3.2     0.2    -      -       -      -
    326A  ILE*     1.3    77.9    -      -       -      +
    328A  VAL*     1.3    63.3    +      -       +      +
    330A  ARG*     3.5     9.6    +      -       -      +
    331A  VAL*     3.6     6.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 328 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112A  ASN*     3.5    29.2    -      -       +      +
    113A  PHE      4.1     1.6    -      -       -      -
    114A  ASP*     3.9    22.7    -      -       +      +
    137A  THR*     3.5    32.3    -      -       +      +
    139A  TYR*     3.9    17.5    -      -       +      -
    146A  PHE*     4.2     8.3    -      -       +      -
    324A  ASN      3.4    13.0    +      -       -      +
    325A  ILE      3.2     8.9    +      -       -      +
    327A  ALA*     1.3    74.9    -      -       -      +
    329A  TYR*     1.3    64.3    +      -       -      +
    331A  VAL*     3.3    17.0    +      -       -      +
    332A  LEU*     3.5    12.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 329 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    146A  PHE*     3.8    20.6    -      +       +      -
    179A  PRO*     3.7    27.4    -      -       +      -
    181A  GLU*     2.5    38.1    +      -       -      +
    182A  ILE*     3.6    32.8    -      -       +      -
    325A  ILE      3.1    11.9    +      -       -      +
    326A  ILE*     3.5     9.9    -      -       +      +
    328A  VAL*     1.3    77.5    -      -       -      +
    330A  ARG*     1.3    56.2    +      -       -      +
    332A  LEU*     3.1    14.8    +      -       +      -
    333A  GLN*     2.9    64.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 330 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    290A  LEU*     4.5     8.0    -      -       +      -
    291A  ASP*     3.5    18.4    +      -       -      +
    294A  SER*     3.5    34.3    -      -       -      +
    298A  LEU*     4.0     2.8    -      -       +      +
    300A  VAL*     3.6    25.0    +      -       +      +
    301A  GLY      2.6    30.1    +      -       -      +
    302A  LYS*     4.6     0.2    -      -       -      +
    303A  LEU*     3.4    38.7    -      -       -      +
    326A  ILE*     2.8    35.0    +      -       +      +
    327A  ALA*     3.8     8.5    -      -       -      +
    328A  VAL      3.3     0.6    -      -       -      -
    329A  TYR*     1.3    71.8    -      -       -      +
    331A  VAL*     1.3    57.4    +      -       -      +
    333A  GLN*     3.2    22.3    +      -       -      +
    334A  ILE*     2.9    35.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 331 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112A  ASN*     3.7    18.2    -      -       +      +
    215A  GLY*     4.4     7.0    -      -       -      -
    216A  TRP*     4.1    21.5    -      -       +      +
    273A  TYR*     3.7    38.5    -      -       +      -
    290A  LEU*     4.0    21.3    -      -       +      -
    327A  ALA      3.7    14.1    -      -       -      +
    328A  VAL*     3.3     9.1    +      -       -      +
    329A  TYR      3.2     0.6    -      -       -      -
    330A  ARG*     1.3    73.6    -      -       -      +
    332A  LEU*     1.3    60.8    +      -       -      +
    334A  ILE*     3.3     8.4    +      -       -      +
    335A  ASP*     2.9    27.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 332 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112A  ASN*     3.6    31.0    -      -       -      +
    139A  TYR*     3.7    46.2    -      -       +      -
    146A  PHE*     3.8    25.1    -      -       +      -
    328A  VAL      3.5    10.9    +      -       -      +
    329A  TYR*     3.1    15.3    +      -       +      +
    331A  VAL*     1.3    76.5    -      -       -      +
    333A  GLN*     1.3    58.1    +      -       -      +
    335A  ASP*     3.3     7.6    +      -       +      +
    336A  ALA*     2.9    30.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 333 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    179A  PRO*     5.4     2.2    -      -       -      +
    181A  GLU*     4.4     2.9    -      -       -      +
    298A  LEU*     3.7    29.1    -      -       +      +
    300A  VAL*     5.5     8.0    -      -       -      +
    326A  ILE*     5.7     0.8    -      -       -      +
    329A  TYR*     2.9    56.7    +      -       +      +
    330A  ARG*     3.2    35.2    +      -       -      +
    332A  LEU*     1.3    72.7    -      -       -      +
    334A  ILE*     1.3    66.4    +      -       -      +
    336A  ALA*     3.4     8.2    +      -       -      +
    337A  LYS*     3.3    16.8    +      -       -      +
    547A  ARG*     5.1     1.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 334 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216A  TRP*     5.0     4.7    -      -       +      -
    273A  TYR*     3.8    22.9    -      -       +      +
    277A  TYR*     4.6     7.4    -      -       +      -
    290A  LEU*     4.1    15.7    -      -       +      -
    293A  ILE*     4.1    18.4    -      -       +      -
    294A  SER*     3.8    20.6    -      -       -      +
    297A  GLU*     4.1    20.0    -      -       +      -
    298A  LEU*     3.9    17.9    -      -       +      -
    330A  ARG      2.9    21.8    +      -       -      +
    331A  VAL*     3.6     7.0    -      -       +      +
    333A  GLN*     1.3    76.2    -      -       -      +
    335A  ASP*     1.3    57.4    +      -       -      +
    337A  LYS*     3.2     5.2    +      -       -      +
    338A  ARG*     2.8    38.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 335 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    273A  TYR*     2.8    30.5    +      -       +      +
    331A  VAL*     2.9    17.3    +      -       +      +
    332A  LEU*     3.8     8.7    -      -       +      +
    333A  GLN      3.3     0.2    -      -       -      -
    334A  ILE*     1.3    74.4    -      -       -      +
    336A  ALA*     1.3    61.6    +      -       -      +
    339A  GLN*     2.7    29.9    +      -       -      +
    340A  PHE      3.0     6.3    +      -       -      -
    341A  ILE*     3.0    46.3    +      -       +      +
    342A  ASN      4.9     0.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 336 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    332A  LEU      2.9    17.4    +      -       -      +
    333A  GLN*     3.6     9.2    -      -       -      +
    334A  ILE      3.3     0.2    -      -       -      -
    335A  ASP*     1.3    77.2    +      -       -      +
    337A  LYS*     1.3    61.1    +      -       -      +
    339A  GLN*     3.7    16.6    -      -       -      +
    547A  ARG*     4.6     8.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 337 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    296A  PHE*     4.8     3.4    +      -       -      -
    297A  GLU*     2.9    60.5    +      -       +      +
    298A  LEU*     4.6     2.2    -      -       +      -
    333A  GLN      3.3     8.3    +      -       -      +
    334A  ILE*     3.2     7.5    +      -       -      +
    335A  ASP      3.1     0.4    -      -       -      -
    336A  ALA*     1.3    81.5    -      -       -      +
    338A  ARG*     1.3    68.1    +      -       +      +
    339A  GLN*     3.9     8.3    -      -       -      +
    547A  ARG*     3.5    48.5    -      -       -      +
    550A  VAL*     3.5    41.0    -      -       +      +
    551A  ALA      4.5     3.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 338 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    273A  TYR*     4.1     2.0    -      -       -      +
    277A  TYR*     4.6     1.2    -      -       +      -
    280A  PHE      4.9     0.6    +      -       -      -
    281A  SER*     3.3    33.0    +      -       -      +
    283A  THR*     3.8    21.6    -      -       -      +
    296A  PHE*     4.4     4.6    -      -       -      -
    297A  GLU*     2.7    43.7    +      -       -      +
    334A  ILE*     2.8    26.1    +      -       +      +
    337A  LYS*     1.3    78.4    -      -       +      +
    339A  GLN*     1.3    72.4    +      -       -      +
    340A  PHE*     3.4    35.1    -      -       +      -
    550A  VAL*     4.1    18.7    -      -       -      +
    551A  ALA*     5.2     0.3    -      -       -      -
    553A  MET*     5.6     7.7    -      -       -      +
    554A  THR*     2.7    33.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 339 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    335A  ASP*     2.7    31.1    +      -       -      +
    336A  ALA*     3.7    17.1    -      -       -      +
    337A  LYS      3.9     3.0    -      -       -      +
    338A  ARG*     1.3    76.5    -      -       -      +
    340A  PHE*     1.3    58.5    +      -       -      +
    341A  ILE      3.4     2.0    -      -       -      -
    342A  ASN*     3.6    24.5    +      -       +      +
    343A  LEU*     3.1    25.6    +      -       -      +
    547A  ARG      5.4     0.2    -      -       -      +
    551A  ALA*     3.4    35.8    +      -       -      +
    554A  THR*     3.9     5.2    -      -       +      +
----------------------------------------------------------
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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