Contacts of the helix formed by residues 335 - 361 (chain C) in PDB entry 4OIP


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 THR 335 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21C  ILE*     4.3    22.9    -      -       +      +
     25C  SER*     2.6    29.4    +      -       -      -
    138C  SER*     3.7    20.4    -      -       -      +
    333C  ILE*     3.7    16.2    +      -       +      +
    334C  ARG*     1.3    77.1    -      -       -      +
    336C  VAL*     1.3    68.8    +      -       -      +
    337C  GLY      3.3     0.4    -      -       -      -
    338C  GLU*     3.2    16.5    +      -       -      +
    339C  LEU*     3.3    14.7    +      -       -      +
    461C  VAL*     4.8    11.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 336 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     22C  GLN*     3.2    46.2    -      -       -      +
     25C  SER*     4.4     2.2    -      -       -      +
     26C  TYR*     3.8    25.4    -      -       +      -
    121C  MET*     4.3     6.7    -      -       +      -
    127C  PHE*     3.8    20.6    -      -       +      -
    136C  ILE*     3.7    32.1    -      -       +      +
    138C  SER*     4.9     1.0    +      -       -      +
    335C  THR*     1.3    75.5    -      -       -      +
    337C  GLY*     1.3    57.9    +      -       -      +
    338C  GLU      3.3     0.2    +      -       -      -
    339C  LEU*     3.4     2.4    +      -       -      +
    340C  MET*     2.9    34.0    +      -       +      +
    385C  PHE*     4.7     1.4    -      -       +      -
    386C  PHE*     5.7     1.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 337 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25C  SER*     2.8    25.4    +      -       -      -
     26C  TYR*     4.5     3.8    -      -       -      -
     29C  ALA*     3.6    24.5    -      -       -      +
    336C  VAL*     1.3    74.4    -      -       -      +
    338C  GLU*     1.3    53.9    +      -       -      +
    340C  MET*     3.9     4.0    -      -       -      +
    341C  THR*     2.6    38.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 338 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25C  SER*     4.3     1.4    +      -       -      -
    165C  LEU*     3.9    11.3    -      -       -      +
    332C  ARG*     2.7    47.1    +      -       -      -
    333C  ILE      4.2     0.3    -      -       -      +
    334C  ARG*     3.2    37.8    +      -       +      +
    335C  THR*     3.2    16.9    +      -       -      +
    337C  GLY*     1.3    74.1    -      -       -      +
    339C  LEU*     1.3    59.1    +      -       -      +
    341C  THR*     3.4     6.2    +      -       -      -
    342C  ASP*     2.9    31.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 339 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    136C  ILE*     4.0    23.6    -      -       +      -
    137C  VAL      4.0     7.9    -      -       -      +
    139C  GLN*     4.0    16.6    -      -       +      +
    334C  ARG*     3.7    40.2    -      -       +      +
    335C  THR      3.3    16.3    +      -       -      +
    336C  VAL      3.9     1.8    -      -       -      +
    338C  GLU*     1.3    71.3    -      -       -      +
    340C  MET*     1.3    67.9    +      -       -      +
    342C  ASP*     3.0    17.7    +      -       -      +
    343C  GLN*     3.0    18.0    +      -       -      +
    385C  PHE*     3.4    20.2    -      -       +      -
    391C  LEU*     3.7    25.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 340 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26C  TYR*     3.9    31.0    -      -       +      +
     29C  ALA*     4.2    13.0    -      -       +      -
     30C  LEU*     4.4     9.6    -      -       +      -
     44C  ILE*     3.7    25.4    -      -       +      -
    118C  ILE*     4.7    11.7    -      -       +      -
    336C  VAL*     2.9    19.3    +      -       +      +
    337C  GLY      3.9     0.9    -      -       -      +
    339C  LEU*     1.3    76.5    -      -       -      +
    341C  THR*     1.3    65.7    +      -       -      +
    343C  GLN*     3.5     2.0    +      -       -      +
    344C  PHE*     2.9    46.7    +      -       -      +
    382C  ILE*     5.6     6.1    -      -       +      -
    385C  PHE*     3.6    15.8    -      -       +      -
    386C  PHE*     4.1    21.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 341 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     29C  ALA*     4.0     5.5    -      -       -      +
     43C  GLY*     3.3    47.3    -      -       -      +
     44C  ILE*     4.0     2.1    +      -       -      +
     47C  ALA*     4.6     3.2    -      -       +      +
    337C  GLY      2.6    25.6    +      -       -      -
    338C  GLU*     3.5     8.3    -      -       -      +
    339C  LEU      3.2     0.2    -      -       -      -
    340C  MET*     1.3    79.8    -      -       -      +
    342C  ASP*     1.3    58.1    +      -       -      +
    344C  PHE*     3.4     6.7    +      -       -      +
    345C  ARG*     2.9    51.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 342 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165C  LEU*     6.1     0.5    -      -       -      +
    166C  PRO*     4.2    12.5    -      -       -      +
    167C  LYS*     5.6     1.9    -      -       -      +
    168C  ARG*     5.9     1.8    -      -       -      +
    334C  ARG*     2.7    35.1    +      -       -      +
    338C  GLU*     2.9    15.4    +      -       -      +
    339C  LEU*     3.0    11.2    +      -       -      +
    341C  THR*     1.3    77.1    -      -       -      +
    343C  GLN*     1.3    68.9    +      -       -      +
    345C  ARG*     3.0    28.6    +      -       -      +
    346C  VAL*     3.0    27.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 343 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    339C  LEU      3.0    13.8    +      -       -      +
    340C  MET      4.1     2.5    -      -       -      +
    342C  ASP*     1.3    81.5    -      -       -      +
    344C  PHE*     1.3    56.0    +      -       -      +
    346C  VAL*     3.3    20.0    +      -       -      +
    347C  GLY      2.9    25.1    +      -       -      -
    350C  ARG*     5.9     0.6    -      -       -      +
    381C  ALA*     3.6    16.2    -      -       -      +
    382C  ILE*     5.4     2.2    -      -       -      -
    384C  GLU*     2.5    30.9    +      -       -      +
    385C  PHE*     3.6    41.7    -      -       +      -
    415C  PRO*     6.1     0.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 344 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44C  ILE*     3.7    27.8    -      -       +      -
     47C  ALA*     3.5    18.8    -      -       +      -
     48C  PHE*     3.9    16.2    -      +       -      -
     94C  LEU*     3.7    21.5    -      -       +      -
    118C  ILE*     3.6    23.6    -      -       +      -
    340C  MET*     2.9    24.5    +      -       -      +
    341C  THR*     3.5     6.5    -      -       -      +
    343C  GLN*     1.3    76.8    -      -       -      +
    345C  ARG*     1.3    56.7    +      -       -      +
    347C  GLY      3.5     0.2    +      -       -      -
    348C  LEU*     2.9    50.4    +      -       +      +
    378C  LEU*     3.7    29.2    -      -       +      +
    382C  ILE*     3.8    21.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 345 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43C  GLY      4.5     0.6    +      -       -      -
     46C  ALA*     4.4    13.3    -      -       -      +
     47C  ALA*     4.2    20.6    -      -       +      +
     50C  GLU*     3.2    42.1    +      -       +      +
     51C  THR*     4.5     5.9    +      -       -      +
    168C  ARG*     3.7    29.2    -      -       -      +
    268C  ASP*     6.1     0.7    -      -       -      -
    341C  THR*     2.9    36.9    +      -       -      +
    342C  ASP*     3.0    38.8    +      -       -      +
    344C  PHE*     1.3    74.9    -      -       -      +
    346C  VAL*     1.3    60.1    +      -       +      +
    348C  LEU*     3.3     4.8    +      -       -      +
    349C  ALA*     2.9    28.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 346 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    167C  LYS*     6.4     2.5    -      -       +      -
    342C  ASP*     3.0    18.2    +      -       +      +
    343C  GLN*     3.5    23.3    -      -       -      +
    345C  ARG*     1.3    77.2    -      -       +      +
    347C  GLY*     1.3    63.0    +      -       -      +
    349C  ALA*     3.0    18.3    +      -       +      +
    350C  ARG*     3.0    46.2    +      -       +      +
    381C  ALA*     5.7     0.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 347 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    343C  GLN      2.9    11.8    +      -       -      -
    344C  PHE      3.8     1.8    -      -       -      -
    346C  VAL*     1.3    76.2    -      -       -      +
    348C  LEU*     1.3    56.6    +      -       -      +
    350C  ARG*     3.4    12.4    +      -       -      +
    351C  LEU*     2.9    27.0    +      -       -      +
    377C  PRO      4.4     0.4    -      -       -      -
    378C  LEU*     3.9    19.7    +      -       -      -
    381C  ALA*     3.6    23.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 348 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     47C  ALA*     3.5    22.9    -      -       +      +
     48C  PHE*     3.8    24.7    -      -       +      +
     51C  THR*     3.3    41.3    -      -       +      +
     52C  PHE*     5.0     1.3    -      -       +      -
    115C  LEU*     4.8     2.0    -      -       +      -
    344C  PHE*     2.9    34.1    +      -       +      +
    345C  ARG      3.5     4.0    -      -       -      +
    347C  GLY*     1.3    73.8    -      -       -      +
    349C  ALA*     1.3    61.1    +      -       -      +
    351C  LEU*     3.3    20.9    +      -       +      +
    352C  ALA      2.9    22.0    +      -       -      -
    378C  LEU*     3.9    31.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 349 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51C  THR*     4.3     5.1    +      -       -      +
    345C  ARG*     2.9    15.1    +      -       +      +
    346C  VAL*     3.0    12.5    +      -       +      +
    348C  LEU*     1.3    73.2    -      -       -      +
    350C  ARG*     1.3    66.1    +      -       +      +
    352C  ALA*     3.0    10.1    +      -       -      +
    353C  ARG*     2.9    20.8    +      -       -      +
    356C  ARG*     5.1     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 350 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    343C  GLN*     5.9     0.2    -      -       -      +
    346C  VAL*     3.0    40.0    +      -       +      +
    347C  GLY*     3.5    10.5    -      -       -      +
    349C  ALA*     1.3    75.7    -      -       +      +
    351C  LEU*     1.3    63.6    +      -       -      +
    353C  ARG*     3.1    10.3    +      -       -      +
    354C  GLY*     3.0    19.6    +      -       -      -
    377C  PRO*     3.9    24.5    +      -       +      +
    380C  ALA*     5.4     3.2    -      -       -      +
    381C  ALA*     4.5    14.3    -      -       -      +
    384C  GLU*     3.9    22.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 351 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51C  THR*     5.2     0.4    -      -       +      -
     52C  PHE*     4.7    17.9    -      -       +      -
     54C  ILE*     5.1     0.7    -      -       +      -
    115C  LEU*     4.7    10.1    -      -       +      -
    347C  GLY      2.9    14.7    +      -       -      +
    348C  LEU*     3.3    25.4    -      -       +      +
    350C  ARG*     1.3    77.1    -      -       -      +
    352C  ALA*     1.3    57.8    +      -       -      +
    354C  GLY*     3.3     3.5    +      -       -      -
    355C  VAL*     2.9    45.4    +      -       +      +
    373C  VAL*     4.0    19.1    -      -       +      -
    374C  ASN      3.4    23.7    +      -       -      +
    375C  SER*     3.9    14.1    -      -       -      -
    377C  PRO*     4.1    12.4    -      -       +      +
    378C  LEU*     4.5    14.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 352 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51C  THR*     3.7    12.6    -      -       +      +
     54C  ILE*     3.7    27.2    -      -       +      +
    348C  LEU      2.9    13.1    +      -       -      +
    349C  ALA*     3.0    11.4    +      -       -      +
    351C  LEU*     1.3    74.1    -      -       -      +
    353C  ARG*     1.3    65.1    +      -       -      +
    355C  VAL*     3.0     2.8    +      -       -      +
    356C  ARG*     2.9    47.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 353 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    349C  ALA      2.9    11.5    +      -       -      +
    350C  ARG*     3.1    12.7    +      -       -      +
    352C  ALA*     1.3    75.3    -      -       -      +
    354C  GLY*     1.3    58.4    +      -       -      +
    356C  ARG*     3.4    11.2    +      -       -      +
    357C  GLU*     2.6    71.3    +      -       -      +
    200F  LYS      4.8     3.2    +      -       -      -
    201F  LYS      4.2     3.4    +      -       -      -
    203F  THR*     3.8    33.2    +      -       -      -
    204F  GLY*     5.5     1.6    -      -       -      -
      9H    G      5.6     5.6    +      -       -      -
     10H    A      5.6     6.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 354 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    350C  ARG      3.0    12.7    +      -       -      -
    351C  LEU*     3.6     5.4    -      -       -      -
    352C  ALA      3.2     0.2    -      -       -      -
    353C  ARG*     1.3    81.3    -      -       -      +
    355C  VAL*     1.3    54.4    +      -       -      +
    357C  GLU*     3.4     8.5    -      -       -      +
    358C  ARG*     2.9    55.2    +      -       -      +
    372C  LEU      4.6     0.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 355 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54C  ILE*     3.7    35.4    -      -       +      -
     66C  LEU*     3.9    25.8    -      -       +      -
    351C  LEU*     2.9    29.9    +      -       +      +
    352C  ALA      3.0     7.8    +      -       -      +
    354C  GLY*     1.3    74.7    -      -       -      +
    356C  ARG*     1.3    60.7    +      -       -      +
    358C  ARG*     3.4     3.3    +      -       -      +
    359C  MET*     2.9    33.8    +      -       +      +
    372C  LEU*     3.8    31.1    -      -       +      +
    373C  VAL*     4.4     4.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 356 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51C  THR      5.6     1.0    +      -       -      -
     53C  PRO      4.9     1.8    +      -       -      -
     54C  ILE*     3.4    30.2    -      -       +      +
     55C  GLU      3.3    28.8    +      -       -      +
     56C  GLU*     4.7    10.1    -      -       +      -
    265C  ARG*     5.2     8.1    -      -       -      +
    349C  ALA      5.1     0.4    +      -       -      -
    352C  ALA*     2.9    38.7    +      -       -      +
    353C  ARG*     4.0     8.3    -      -       -      +
    355C  VAL*     1.3    72.5    -      -       -      +
    357C  GLU*     1.3    67.5    +      -       -      +
    359C  MET*     2.9    22.8    +      -       +      +
    360C  LEU*     3.0    21.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 357 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    353C  ARG*     2.6    55.4    +      -       -      +
    354C  GLY*     3.4    10.6    -      -       -      +
    356C  ARG*     1.3    74.7    -      -       -      +
    358C  ARG*     1.3    63.9    +      -       +      +
    360C  LEU*     3.1    24.6    +      -       -      +
    361C  MET*     3.4    17.3    +      -       +      +
    201F  LYS*     2.8    45.2    -      -       +      +
    203F  THR      5.6     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 358 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    354C  GLY*     2.9    42.4    +      -       -      +
    355C  VAL      3.6     1.6    -      -       -      +
    357C  GLU*     1.3    79.6    +      -       +      +
    359C  MET*     1.3    56.8    +      -       -      +
    361C  MET*     2.8    25.1    -      -       -      +
    367C  LEU*     4.3     6.1    -      -       -      +
    371C  LYS      3.7    14.7    +      -       -      +
    372C  LEU*     3.3    41.8    +      -       +      +
    373C  VAL      5.4     0.4    -      -       -      -
    374C  ASN*     3.3    42.1    -      -       -      +
    276F  ARG*     4.9     8.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 359 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54C  ILE*     3.8    18.4    -      -       +      +
     55C  GLU      3.3    30.7    -      -       -      +
     56C  GLU      3.6    14.8    -      -       -      +
     64C  LEU*     3.6    47.7    -      -       +      +
     65C  VAL*     4.6     0.9    -      -       -      -
     66C  LEU      5.0     2.2    -      -       -      -
    355C  VAL*     2.9    17.2    +      -       +      +
    356C  ARG*     2.9    25.9    +      -       +      +
    358C  ARG*     1.3    77.0    -      -       -      +
    360C  LEU*     1.3    65.1    +      -       -      +
    361C  MET      4.6     0.9    -      -       -      +
    364C  GLU*     3.2    18.9    -      -       -      +
    367C  LEU*     5.0     1.4    -      -       -      +
    372C  LEU*     3.7    26.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 360 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56C  GLU*     3.6    23.6    -      -       +      +
    356C  ARG*     3.0    17.1    +      -       +      +
    357C  GLU*     3.1    10.7    +      -       -      +
    359C  MET*     1.3    79.6    -      -       -      +
    361C  MET*     1.3    77.7    +      -       +      +
    362C  GLY      3.9     1.2    +      -       -      +
    364C  GLU*     3.6     9.9    -      -       -      +
    200F  LYS*     6.1     4.3    -      -       -      -
    201F  LYS*     4.4    21.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with MET 361 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    357C  GLU*     3.4    16.2    +      -       +      +
    358C  ARG*     2.8    27.6    -      -       -      +
    359C  MET      4.7     1.3    -      -       -      -
    360C  LEU*     1.3    95.4    -      -       +      +
    362C  GLY*     1.3    58.3    +      -       -      +
    364C  GLU*     5.3     0.2    -      -       -      -
    367C  LEU*     5.3     0.7    -      -       -      +
    201F  LYS*     3.2    38.4    -      -       +      +
    244F  ARG*     3.6    25.8    -      -       -      +
      5H    A      5.5     6.5    -      -       +      -
----------------------------------------------------------
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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