Contacts of the helix formed by residues 378 - 403 (chain C) in PDB entry 3OMA


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 378 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    305C  PHE*     3.6    22.7    -      -       +      -
    376C  GLU*     3.2    41.1    +      -       +      +
    377C  LEU*     1.3    78.8    -      -       -      +
    379C  THR*     1.3    66.7    +      -       -      +
    380C  PRO*     3.3     7.2    -      -       +      -
    381C  MET*     2.9    14.1    +      -       -      +
    382C  LEU*     3.1    10.6    +      -       -      +
    450C  GLU*     3.7    34.2    +      -       +      +
    454C  LYS*     4.6     2.9    -      -       -      +
    531C  TRP*     4.4    13.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 379 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    378C  LYS*     1.3    69.3    -      -       -      +
    380C  PRO*     1.4    65.6    -      -       -      +
    382C  LEU*     3.1    20.6    +      -       -      +
    383C  TRP*     3.1    35.2    +      -       +      +
    437C  TYR*     3.4    24.5    -      -       +      -
    448C  TYR*     3.4    14.7    -      -       -      -
    450C  GLU*     2.9    21.8    +      -       -      -
    453C  GLY*     3.1    40.0    -      -       -      +
    454C  LYS*     3.2     3.0    +      -       -      +
    457C  PHE*     5.3     0.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with PRO 380 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    301C  VAL*     3.4    15.1    -      -       +      +
    305C  PHE*     3.9    23.1    -      -       +      -
    378C  LYS*     3.4    12.8    -      -       +      -
    379C  THR*     1.4    88.7    -      -       -      +
    381C  MET*     1.3    59.4    +      -       -      +
    383C  TRP*     3.4    12.4    +      -       +      +
    384C  ALA      3.2    16.8    +      -       -      -
    434C  ALA*     3.9    20.5    -      -       -      +
    437C  TYR*     3.7    10.3    -      -       +      +
    438C  PHE*     3.7    25.1    -      -       +      +
    448C  TYR*     3.4    14.4    -      -       -      +
    531C  TRP*     4.1     2.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 381 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    301C  VAL*     3.9     6.2    -      -       -      +
    302C  ILE*     4.2    26.2    -      -       -      +
    305C  PHE*     3.8    34.9    -      -       +      -
    306C  ALA      4.1     3.8    -      -       -      +
    370C  MET*     4.4    12.8    -      -       +      -
    375C  ILE*     4.1    24.7    -      -       +      -
    376C  GLU      3.5    22.9    -      -       -      +
    377C  LEU*     4.4     5.6    -      -       +      -
    378C  LYS      2.9    10.4    +      -       -      +
    380C  PRO*     1.3    77.1    -      -       -      +
    382C  LEU*     1.3    65.5    +      -       -      +
    384C  ALA*     3.2     1.8    +      -       -      -
    385C  LEU*     3.0    56.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 382 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    377C  LEU*     4.1    32.8    -      -       +      +
    378C  LYS      3.1    12.6    +      -       -      +
    379C  THR*     3.1    11.1    +      -       -      +
    381C  MET*     1.3    75.9    -      -       -      +
    383C  TRP*     1.3    56.8    +      -       -      +
    385C  LEU*     3.3     8.3    +      -       +      +
    386C  GLY      2.9    25.5    +      -       -      -
    454C  LYS*     3.9    29.4    -      -       +      -
    457C  PHE*     3.1    48.9    -      -       +      -
    458C  TRP*     4.1    19.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with TRP 383 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    379C  THR*     3.1    46.3    +      -       +      +
    380C  PRO*     3.6     7.2    -      -       +      +
    382C  LEU*     1.3    76.8    -      -       -      +
    384C  ALA*     1.3    52.0    +      -       -      +
    386C  GLY*     3.4     1.7    +      -       -      -
    387C  PHE*     2.8    32.9    +      -       -      +
    430C  PHE*     3.4    67.5    -      +       -      +
    433C  PHE*     3.5    37.2    -      +       +      -
    434C  ALA*     3.7     9.2    -      -       +      -
    437C  TYR*     3.4    16.2    -      +       -      -
    456C  HIS*     3.3    28.9    -      +       -      -
    457C  PHE*     3.6    29.9    -      +       -      +
    460C  MET*     3.7    23.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 384 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    298C  VAL*     4.4    14.6    -      -       +      +
    301C  VAL*     3.9    16.4    -      -       +      -
    302C  ILE*     3.9    25.4    -      -       +      -
    380C  PRO      3.2    13.9    +      -       -      +
    381C  MET      3.2     7.3    +      -       -      +
    383C  TRP*     1.3    76.2    -      -       -      +
    385C  LEU*     1.3    57.5    +      -       -      +
    387C  PHE*     3.2    10.8    -      -       -      +
    388C  LEU*     3.1    29.6    +      -       -      +
    434C  ALA*     4.5     3.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 385 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    302C  ILE*     4.9     2.7    -      -       +      -
    370C  MET*     3.3    33.4    -      -       -      -
    377C  LEU*     3.9    20.2    -      -       +      -
    381C  MET*     3.0    37.8    +      -       +      +
    382C  LEU*     3.8     8.1    -      -       +      +
    384C  ALA*     1.3    73.4    -      -       -      +
    386C  GLY*     1.3    66.2    +      -       -      +
    388C  LEU*     3.1    22.5    +      -       +      +
    389C  PHE*     3.2    14.4    +      -       -      +
     76D  ILE*     4.2    18.4    -      -       +      +
     80D  VAL*     3.7    23.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 386 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    382C  LEU      2.9    14.7    +      -       -      -
    383C  TRP      3.6     3.4    -      -       -      -
    385C  LEU*     1.3    75.4    -      -       -      +
    387C  PHE*     1.3    61.5    +      -       -      +
    389C  PHE*     3.3     3.6    +      -       -      -
    390C  LEU*     2.9    38.1    +      -       -      +
    430C  PHE*     4.0    13.9    -      -       -      -
    457C  PHE*     4.4     8.4    -      -       -      -
    461C  PHE*     4.5     7.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 387 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    291C  VAL*     4.5     2.5    -      -       +      -
    294C  ALA*     4.2    14.6    -      -       +      -
    295C  PHE*     3.7    35.7    -      +       -      -
    298C  VAL*     3.8    28.7    -      -       +      -
    363C  ILE*     5.3     0.2    -      -       +      -
    366C  TRP*     4.2    15.0    -      +       -      -
    383C  TRP      2.8    15.3    +      -       -      +
    384C  ALA*     3.2    13.7    -      -       -      +
    386C  GLY*     1.3    76.1    -      -       -      +
    388C  LEU*     1.3    63.9    +      -       +      +
    391C  PHE*     2.9    56.7    +      +       +      +
    426C  LEU      4.4     3.6    -      -       -      -
    427C  GLY*     3.0    42.0    -      -       -      -
    428C  ALA*     4.1     1.6    -      -       -      -
    430C  PHE*     4.0     9.1    -      -       +      -
    431C  GLY      4.1     5.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 388 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    298C  VAL*     4.6     0.4    -      -       +      -
    302C  ILE*     3.8    20.6    -      -       +      -
    363C  ILE*     4.3    17.5    -      -       +      +
    366C  TRP*     3.4    47.8    -      -       +      -
    367C  ILE*     4.6     4.0    -      -       +      -
    370C  MET*     4.2    19.3    -      -       +      -
    384C  ALA      3.1    16.9    +      -       -      +
    385C  LEU*     3.1    15.9    +      -       +      +
    387C  PHE*     1.3    83.5    -      -       +      +
    389C  PHE*     1.3    58.3    +      -       -      +
    392C  THR*     2.8    30.0    +      -       -      -
     72D  VAL*     4.6     2.1    -      -       -      +
     76D  ILE*     3.7    24.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 389 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    385C  LEU      3.2     8.9    +      -       -      +
    386C  GLY*     3.9     5.4    -      -       -      +
    388C  LEU*     1.3    79.6    -      -       -      +
    390C  LEU*     1.3    90.5    +      -       +      +
    392C  THR*     3.3     7.9    +      -       -      -
    393C  VAL*     3.1    46.6    +      -       +      +
    422C  TYR*     5.8     0.2    -      +       -      -
    461C  PHE*     4.1    20.4    -      +       +      -
    465C  ASN*     4.7     5.6    -      -       -      -
     69D  THR*     4.3     7.6    -      -       +      -
     72D  VAL*     5.3     1.8    -      -       +      -
     73D  THR*     3.0    44.0    -      -       +      -
     76D  ILE*     4.3    10.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 390 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    386C  GLY      2.9    16.9    +      -       -      +
    389C  PHE*     1.3    96.7    -      -       +      +
    391C  PHE*     1.3    59.6    +      -       -      +
    393C  VAL*     3.3     4.0    +      -       -      +
    394C  GLY*     3.0    25.1    +      -       -      -
    422C  TYR*     3.7    17.0    -      -       +      +
    426C  LEU*     3.1    39.9    -      -       +      +
    430C  PHE*     3.4    39.7    -      -       +      -
    461C  PHE*     3.9     9.2    -      -       +      -
    465C  ASN*     3.5    31.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 391 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2C  HEA      3.8    43.7    -      -       +      -
    288C  TYR*     6.4     0.2    -      +       -      -
    291C  VAL*     3.9    12.1    -      -       +      -
    295C  PHE*     3.6    20.9    -      +       -      -
    359C  THR*     3.5    29.8    -      -       +      -
    363C  ILE*     4.0    19.1    -      -       +      -
    366C  TRP*     5.8     0.2    -      +       -      -
    387C  PHE*     2.9    48.9    +      +       +      +
    388C  LEU*     4.6     1.1    -      -       -      +
    390C  LEU*     1.3    73.3    -      -       -      +
    392C  THR*     1.3    53.3    +      -       -      +
    394C  GLY      3.6     0.7    -      -       -      +
    395C  GLY*     2.7    30.0    +      -       -      -
    422C  TYR      4.5     6.5    -      -       -      -
    423C  VAL*     3.9    24.5    -      -       +      -
    426C  LEU      4.2     1.4    +      -       -      -
    427C  GLY*     4.7     1.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with THR 392 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2C  HEA      4.2    25.7    -      -       +      +
    363C  ILE*     3.8    18.7    -      -       -      +
    388C  LEU      2.8    22.4    +      -       -      -
    389C  PHE*     3.3     7.1    +      -       +      +
    390C  LEU      3.2     0.4    -      -       -      -
    391C  PHE*     1.3    76.7    -      -       -      +
    393C  VAL*     1.3    66.2    +      -       -      +
    395C  GLY*     3.2     0.3    +      -       -      -
    396C  VAL*     3.0    31.0    +      -       +      +
     68D  ILE*     5.0     0.7    -      -       +      -
     69D  THR*     4.0    21.8    -      -       +      +
     72D  VAL*     4.0    23.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 393 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    389C  PHE*     3.1    37.3    +      -       +      +
    390C  LEU*     3.3     6.9    +      -       -      +
    392C  THR*     1.3    75.6    -      -       -      +
    394C  GLY*     1.3    61.8    +      -       -      +
    396C  VAL*     3.4    10.0    -      -       -      +
    397C  THR*     3.3    21.1    +      -       -      +
    422C  TYR*     3.9    28.9    -      -       +      -
    469C  PHE*     4.8     9.9    -      -       +      -
    472C  HIS*     4.8     4.9    -      -       +      +
      3D  TRD      4.0    20.2    -      -       +      -
     69D  THR*     4.0    23.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 394 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    390C  LEU      3.0    11.5    +      -       -      -
    391C  PHE      3.8     0.4    -      -       -      -
    393C  VAL*     1.3    76.5    -      -       -      +
    395C  GLY*     1.3    60.2    +      -       -      +
    397C  THR*     3.0    11.8    +      -       -      -
    398C  GLY      3.2     0.3    +      -       -      -
    419C  HIS*     2.7    28.2    +      -       -      -
    422C  TYR*     3.5    23.3    -      -       -      +
    423C  VAL*     3.5    16.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 395 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2C  HEA      3.5    47.1    -      -       -      +
    391C  PHE      2.7    21.5    +      -       -      -
    392C  THR      3.2     0.4    +      -       -      -
    394C  GLY*     1.3    73.4    -      -       -      +
    396C  VAL*     1.3    57.0    +      -       -      +
    398C  GLY*     3.1    16.1    +      -       -      -
    399C  ILE      3.2     8.7    +      -       -      -
    419C  HIS*     5.0     0.4    -      -       -      -
    423C  VAL*     3.6     4.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 396 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2C  HEA      4.3    21.5    -      -       +      -
    392C  THR*     3.0    20.3    +      -       +      +
    393C  VAL*     3.4    16.8    -      -       -      +
    395C  GLY*     1.3    73.4    -      -       -      +
    397C  THR*     1.3    59.7    +      -       -      +
    399C  ILE*     3.2    10.6    +      -       -      +
    400C  VAL*     3.1    27.4    +      -       -      +
      3D  TRD      4.2     5.8    -      -       +      -
     65D  ILE*     3.7    37.8    -      -       +      +
     68D  ILE*     4.4    18.6    -      -       +      -
     69D  THR*     3.8    20.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 397 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    393C  VAL      3.3    14.5    +      -       -      +
    394C  GLY*     3.0    16.3    +      -       -      -
    396C  VAL*     1.3    74.4    -      -       +      +
    398C  GLY*     1.3    58.6    +      -       -      +
    400C  VAL*     3.3     8.4    +      -       -      +
    401C  LEU*     3.0    32.8    +      -       -      +
    415C  TYR*     3.5    26.2    -      -       -      +
    419C  HIS*     3.2    23.8    -      -       -      +
    472C  HIS*     3.8    23.1    +      -       +      +
      3D  TRD      3.9    20.0    -      -       +      -
     65D  ILE*     4.7     1.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 398 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2C  HEA      3.3    29.4    -      -       -      +
    394C  GLY      3.2     6.7    +      -       -      -
    395C  GLY      3.1     9.5    +      -       -      -
    397C  THR*     1.3    78.5    -      -       -      +
    399C  ILE*     1.3    55.6    +      -       -      +
    401C  LEU*     3.2     2.6    +      -       -      +
    402C  SER      3.0    22.7    +      -       -      -
    419C  HIS*     3.4    24.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 399 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2C  HEA      3.7    54.7    -      -       +      -
    352C  THR      4.5     1.8    -      -       -      +
    353C  MET*     4.2    20.0    -      -       +      +
    356C  ALA*     3.7    23.3    -      -       +      +
    395C  GLY      3.2     3.8    +      -       -      +
    396C  VAL*     3.2    10.3    +      -       +      +
    398C  GLY*     1.3    73.9    -      -       -      +
    400C  VAL*     1.3    63.9    -      -       -      +
    402C  SER*     2.6    25.3    +      -       -      +
    403C  GLN*     3.5    12.8    -      -       +      +
     61D  ILE*     5.4     3.1    -      -       +      -
     65D  ILE*     5.3     5.2    -      -       +      -
    112D  LEU*     4.2    17.7    -      -       +      -
    115D  ILE*     5.0    12.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 400 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    396C  VAL      3.1    15.0    +      -       -      +
    397C  THR*     3.5     8.1    -      -       -      +
    398C  GLY      3.3     0.2    -      -       -      -
    399C  ILE*     1.3    75.7    -      -       -      +
    401C  LEU*     1.3    62.4    +      -       -      +
    403C  GLN*     3.2    27.4    +      -       -      +
    406C  VAL*     4.0    11.1    -      -       +      +
    410C  TYR*     3.7    31.2    -      -       +      -
    415C  TYR*     3.7    14.1    -      -       +      +
     58D  ASP*     3.9    10.5    -      -       -      +
     61D  ILE*     3.8    23.6    -      -       +      -
     62D  LEU*     5.7     0.7    -      -       -      +
     65D  ILE*     3.6    22.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 401 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2C  HEA      3.4    29.7    -      -       +      +
    336C  TYR*     3.6     6.6    -      -       -      -
    397C  THR      3.0    19.1    +      -       -      +
    398C  GLY*     3.2     7.6    +      -       -      +
    400C  VAL*     1.3    76.6    -      -       -      +
    402C  SER*     1.3    60.7    +      -       -      +
    407C  ASP*     3.3    41.2    -      -       -      +
    410C  TYR*     3.6    27.4    -      -       +      -
    415C  TYR*     3.7    13.5    -      -       +      -
    416C  VAL*     3.7    19.3    -      -       +      -
    419C  HIS*     3.7    38.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 402 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2C  HEA      3.1    10.1    +      -       -      -
    336C  TYR*     2.7    24.3    +      -       -      -
    349C  MET*     3.2    12.4    -      -       -      +
    352C  THR*     3.5    34.1    -      -       -      -
    353C  MET*     3.8     8.0    -      -       -      +
    398C  GLY      3.0    10.4    +      -       -      -
    399C  ILE*     2.6    26.9    +      -       -      +
    401C  LEU*     1.3    75.8    -      -       -      +
    403C  GLN*     1.3    69.1    +      -       -      +
    404C  ALA      3.1     5.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 403 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    349C  MET*     3.8    11.0    -      -       -      +
    353C  MET*     3.1    30.9    -      -       -      +
    399C  ILE*     3.5    14.7    +      -       +      +
    400C  VAL      3.3     9.8    -      -       -      +
    401C  LEU      3.2     1.5    -      -       -      -
    402C  SER*     1.3    92.1    +      -       -      +
    404C  ALA*     1.3    65.1    +      -       -      +
    405C  SER*     3.2     2.2    -      -       -      -
    406C  VAL*     2.9    15.8    +      -       +      +
    407C  ASP*     2.9    20.8    +      -       -      +
     61D  ILE*     3.8    19.7    -      -       +      -
    115D  ILE*     3.5    15.4    -      -       +      +
    119D  SER*     2.6    38.7    +      -       -      +
----------------------------------------------------------
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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