Contacts of the helix formed by residues 329 - 356 (chain E) in PDB entry 1SMK


Residue contacts within the protein are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332). A short description of the analytical approach is given at the end of the page.
For CSU analysis of other PDB entry

Note:
Non-standard 3 letter residue codes indicate a heterogroup. To identify and analyse, use LPC software

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with ASN 329 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    229E  LEU*     6.2     0.6    -      -       -      +
    230E  SER*     3.8    17.8    +      -       -      +
    243E  ILE*     5.4    11.3    -      -       -      +
    328E  LEU*     1.3    71.4    -      -       -      +
    330E  GLU*     1.3    53.6    +      -       -      +
    331E  TYR*     3.0    12.1    +      -       -      +
    332E  GLU*     2.7    57.1    +      -       -      +
    333E  ARG*     2.6    46.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 330 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    329E  ASN*     1.3    75.0    -      -       -      +
    331E  TYR*     1.3    64.1    +      -       -      +
    333E  ARG*     2.9    24.2    +      -       -      +
    334E  ILE*     2.8    63.2    +      -       +      +
    204G  VAL      5.6     0.4    -      -       -      +
    239G  THR*     5.8     2.3    -      -       -      +
    241G  GLU*     3.2    14.3    -      -       -      +
    242G  GLU*     2.9    27.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 331 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    226E  LEU*     5.4     0.5    -      -       -      +
    240E  GLN*     6.2     4.9    -      -       +      -
    243E  ILE*     3.2    31.0    -      -       +      -
    244E  SER*     3.1    39.0    +      -       -      -
    247E  THR*     3.1    34.4    -      -       +      +
    329E  ASN*     3.0    11.3    +      -       -      +
    330E  GLU*     1.3    79.1    -      -       -      +
    332E  GLU*     1.3    62.1    +      -       +      +
    334E  ILE*     3.7    12.6    +      -       +      +
    335E  GLY*     3.0    22.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 332 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    226E  LEU*     3.7    10.3    -      -       +      +
    227E  PRO      4.8     3.6    -      -       -      +
    228E  LEU*     2.9    49.1    -      -       +      -
    229E  LEU*     2.9     4.5    +      -       +      +
    230E  SER*     2.8    26.0    +      -       -      -
    243E  ILE*     6.3     0.7    -      -       +      -
    328E  LEU*     3.4    20.9    -      -       +      +
    329E  ASN*     2.7    44.9    +      -       -      +
    331E  TYR*     1.3    78.9    -      -       +      +
    333E  ARG*     1.3    55.9    +      -       -      +
    334E  ILE      3.1     2.0    -      -       -      -
    335E  GLY*     3.6     1.7    -      -       -      +
    336E  LEU*     2.7    35.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 333 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    328E  LEU*     2.8    46.8    +      -       +      +
    329E  ASN*     2.6    37.8    +      -       -      +
    330E  GLU*     3.1    36.9    +      -       -      +
    332E  GLU*     1.3    73.5    -      -       -      +
    334E  ILE*     1.3    60.9    +      -       -      +
    336E  LEU*     3.4    11.0    -      -       +      +
    337E  GLU*     3.2    19.6    +      -       -      +
    204G  VAL*     3.3    38.6    +      -       -      +
    241G  GLU*     3.0    40.9    +      -       +      +
    242G  GLU*     3.7     8.5    +      -       -      +
    245G  TYR*     3.3    39.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 334 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    330E  GLU*     2.8    51.2    +      -       +      +
    331E  TYR*     3.7    10.5    -      -       +      +
    333E  ARG*     1.3    74.5    -      -       -      +
    335E  GLY*     1.3    63.9    +      -       -      +
    337E  GLU*     2.8    25.6    +      -       +      +
    338E  LYS*     3.0    25.0    +      -       +      +
    241G  GLU*     3.0     7.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 335 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    223E  VAL      4.6     2.4    -      -       -      +
    226E  LEU*     3.9    18.7    -      -       -      +
    251E  GLN*     6.1     1.6    -      -       -      -
    331E  TYR      3.0    16.0    +      -       -      -
    332E  GLU      3.2     2.4    +      -       -      -
    334E  ILE*     1.3    78.3    -      -       -      +
    336E  LEU*     1.3    50.7    +      -       -      +
    338E  LYS*     3.1    11.8    +      -       -      +
    339E  ALA*     2.7    36.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 336 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    226E  LEU*     3.4    17.1    -      -       +      +
    308E  PHE*     3.7    30.5    -      -       +      -
    325E  LEU*     3.8    15.3    -      -       +      -
    328E  LEU*     3.8    24.9    -      -       +      -
    332E  GLU      2.7    21.4    +      -       -      +
    333E  ARG*     3.4     9.6    -      -       +      +
    335E  GLY*     1.3    72.0    -      -       -      +
    337E  GLU*     1.3    60.2    +      -       -      +
    339E  ALA*     3.4     2.3    +      -       +      +
    340E  LYS*     3.0    52.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 337 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    333E  ARG      3.2    10.4    +      -       -      +
    334E  ILE*     2.8    16.4    +      -       +      +
    336E  LEU*     1.3    81.0    -      -       -      +
    338E  LYS*     1.3    59.8    +      -       -      +
    340E  LYS*     3.6    26.5    +      -       -      +
    341E  LYS*     3.0    49.0    +      -       -      +
    241G  GLU*     5.4    15.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 338 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    223E  VAL*     4.2    39.1    -      -       +      +
    251E  GLN*     5.8     0.2    +      -       -      -
    334E  ILE*     3.0    26.9    +      -       +      +
    335E  GLY*     3.6    10.1    -      -       -      +
    337E  GLU*     1.3    74.1    -      -       +      +
    339E  ALA*     1.3    67.2    +      -       -      +
    341E  LYS*     3.3    36.6    -      -       +      +
    342E  GLU*     3.3     9.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 339 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    218E  GLY*     5.1     6.7    -      -       -      -
    223E  VAL*     3.8    19.9    +      -       -      +
    224E  THR*     4.0    21.6    +      -       -      +
    226E  LEU*     4.9     7.9    -      -       +      -
    308E  PHE*     5.4     1.6    -      -       +      -
    335E  GLY      2.7    16.7    +      -       -      +
    336E  LEU*     3.5    12.6    -      -       +      +
    338E  LYS*     1.3    76.8    -      -       -      +
    340E  LYS*     1.3    67.3    +      -       -      +
    341E  LYS      3.2     0.3    +      -       -      -
    342E  GLU*     3.4     1.4    +      -       -      +
    343E  LEU*     2.8    28.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 340 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    303E  THR*     4.1    16.7    -      -       -      +
    304E  GLU*     3.0    38.7    +      -       -      +
    305E  LEU*     4.1    12.0    -      -       +      +
    308E  PHE*     4.4     9.8    -      -       +      -
    336E  LEU*     3.0    50.7    +      -       +      +
    337E  GLU*     3.8    26.4    +      -       -      +
    339E  ALA*     1.3    75.5    -      -       -      +
    341E  LYS*     1.3    67.5    +      -       -      +
    343E  LEU*     4.1     6.7    -      -       -      -
    344E  ALA*     2.8    23.6    +      -       -      +
    244G  SER*     5.9     1.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 341 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    337E  GLU*     3.0    40.9    -      -       -      +
    338E  LYS*     3.3    29.7    -      -       +      +
    340E  LYS*     1.3    84.9    -      -       -      +
    342E  GLU*     1.3    64.7    +      -       -      +
    344E  ALA*     3.2    14.6    +      -       -      +
    345E  GLY      3.8     2.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 342 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165E  ASN*     5.1     0.3    +      -       -      -
    221E  ALA*     4.0    23.0    -      -       -      +
    222E  GLY*     5.2     1.7    -      -       -      -
    223E  VAL*     3.7    26.1    +      -       +      +
    224E  THR*     4.2     9.9    -      -       -      +
    338E  LYS      3.3    10.3    +      -       -      +
    339E  ALA*     4.1     1.6    -      -       -      +
    341E  LYS*     1.3    79.2    -      -       -      +
    343E  LEU*     1.3    62.2    +      -       -      +
    345E  GLY*     3.4     3.9    +      -       -      -
    346E  SER*     3.2    31.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 343 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165E  ASN*     4.0    31.4    -      -       +      +
    218E  GLY*     3.9    16.8    -      -       -      +
    224E  THR*     3.8     9.8    +      -       -      +
    297E  PHE*     4.3     4.7    -      -       +      -
    305E  LEU*     3.5    24.5    -      -       +      -
    307E  PHE      4.1     5.6    -      -       -      +
    308E  PHE*     3.5    26.7    -      -       +      -
    339E  ALA      2.8    24.6    +      -       -      +
    340E  LYS      3.6     2.9    -      -       -      +
    342E  GLU*     1.3    71.0    -      -       -      +
    344E  ALA*     1.3    66.3    +      -       -      +
    346E  SER*     2.9    14.1    +      -       -      -
    347E  ILE*     3.0    32.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 344 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    305E  LEU*     4.3    22.6    -      -       +      +
    340E  LYS      2.8    14.9    +      -       -      +
    341E  LYS*     3.2    11.4    +      -       -      +
    343E  LEU*     1.3    73.8    -      -       -      +
    345E  GLY*     1.3    62.8    +      -       -      +
    347E  ILE*     3.5     5.8    +      -       -      +
    348E  GLU*     3.2    20.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 345 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    341E  LYS      3.8     3.2    +      -       -      -
    342E  GLU*     3.4     6.3    +      -       -      -
    343E  LEU      3.1     0.8    -      -       -      -
    344E  ALA*     1.3    77.1    -      -       -      +
    346E  SER*     1.3    55.1    +      -       -      +
    348E  GLU*     3.0     8.9    +      -       -      +
    349E  LYS*     2.8    34.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 346 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165E  ASN*     3.7    30.3    +      -       -      +
    166E  SER*     2.9    25.0    +      -       -      -
    221E  ALA*     6.1     0.2    -      -       -      +
    342E  GLU*     3.2    26.0    +      -       -      +
    343E  LEU*     2.9    11.7    +      -       -      -
    345E  GLY*     1.3    76.2    -      -       -      +
    347E  ILE*     1.3    62.9    +      -       -      +
    349E  LYS*     3.3    12.5    +      -       -      +
    350E  GLY      3.3     3.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 347 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    165E  ASN      3.7    14.4    -      -       -      +
    169E  PRO*     3.9    15.7    -      -       +      +
    297E  PHE*     4.4     0.4    -      -       +      -
    305E  LEU*     4.1    14.1    -      -       +      -
    306E  PRO*     4.0    13.9    -      -       +      -
    307E  PHE*     3.5    48.5    -      -       +      +
    343E  LEU*     3.0    35.4    +      -       +      +
    344E  ALA*     3.8     5.8    -      -       -      +
    346E  SER*     1.3    74.8    -      -       -      +
    348E  GLU*     1.3    58.4    +      -       -      +
    350E  GLY*     3.3     2.4    +      -       -      -
    351E  VAL*     2.9    47.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 348 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    344E  ALA      3.2    11.0    +      -       -      +
    345E  GLY*     3.0    13.4    +      -       -      +
    347E  ILE*     1.3    75.7    -      -       -      +
    349E  LYS*     1.3    68.6    +      -       -      +
    350E  GLY      2.9     2.3    +      -       -      -
    351E  VAL*     3.0    14.1    +      -       -      +
    352E  SER*     2.8    45.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 349 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    130E  ARG      4.9     3.6    +      -       -      -
    131E  ASP*     4.8    12.7    +      -       -      +
    134E  PHE*     3.4    58.6    -      -       +      +
    163E  PRO*     6.2     0.2    -      -       -      +
    166E  SER*     4.3     4.9    -      -       -      +
    345E  GLY      2.8    15.3    +      -       -      +
    346E  SER*     3.5    12.8    -      -       -      +
    348E  GLU*     1.3    72.3    -      -       -      +
    350E  GLY*     1.3    57.5    +      -       -      +
    352E  SER*     4.0     4.6    -      -       -      -
    353E  PHE*     3.3    19.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 350 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134E  PHE*     4.1     2.7    -      -       -      -
    166E  SER*     3.8    15.9    -      -       -      -
    170E  ILE*     3.4    38.8    -      -       -      +
    346E  SER      3.3     4.6    +      -       -      -
    347E  ILE      3.3     5.1    +      -       -      -
    348E  GLU      2.9     1.2    +      -       -      -
    349E  LYS*     1.3    77.1    -      -       -      +
    351E  VAL*     1.3    66.2    +      -       -      +
    352E  SER      3.1     1.6    -      -       -      -
    353E  PHE*     3.2    10.6    +      -       -      +
    354E  ILE*     3.6     4.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 351 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    169E  PRO*     4.2    10.5    -      -       +      +
    173E  GLU*     4.1    21.8    -      -       +      +
    306E  PRO*     5.9     1.8    -      -       +      -
    307E  PHE*     5.3     3.8    -      -       +      -
    347E  ILE*     2.9    47.3    +      -       +      +
    348E  GLU*     3.7    16.6    -      -       -      +
    350E  GLY*     1.3    73.5    -      -       -      +
    352E  SER*     1.3    62.8    +      -       -      +
    354E  ILE*     3.3     2.6    +      -       -      +
    355E  ARG*     2.9    55.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 352 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    348E  GLU*     2.8    31.8    +      -       -      -
    349E  LYS*     4.0     5.8    -      -       -      -
    351E  VAL*     1.3    75.7    -      -       -      +
    353E  PHE*     1.3    65.6    +      -       -      +
    355E  ARG*     3.1     4.7    +      -       -      +
    356E  SER*     2.6    43.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 353 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134E  PHE*     4.2    17.7    -      +       +      -
    135E  LYS*     4.5    13.2    -      -       +      -
    138E  ALA*     3.5    42.8    -      -       +      -
    139E  GLY*     4.0    13.2    -      -       -      -
    142E  LYS*     4.6     9.9    -      -       +      -
    170E  ILE*     3.9     9.2    -      -       +      -
    349E  LYS      3.3    13.3    +      -       -      +
    350E  GLY      3.2    10.6    +      -       -      +
    352E  SER*     1.3    78.1    -      -       -      +
    354E  ILE*     1.3    74.5    +      -       +      +
    356E  SER*     4.2    10.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 354 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    142E  LYS*     4.1    17.7    -      -       +      -
    170E  ILE*     3.5    39.5    -      -       +      +
    173E  GLU*     3.4    29.2    -      -       +      +
    174E  VAL*     3.4    28.9    -      -       +      +
    177E  LYS*     6.1     5.4    -      -       +      -
    350E  GLY      3.6     1.5    +      -       -      +
    351E  VAL      3.3     4.3    +      -       -      +
    352E  SER      2.9     0.8    +      -       -      -
    353E  PHE*     1.3    86.9    -      -       +      +
    355E  ARG*     1.3    60.1    +      -       +      +
    356E  SER      3.0    17.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 355 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    173E  GLU*     2.9    33.8    +      -       +      +
    176E  LYS*     5.2     7.9    -      -       -      +
    351E  VAL*     2.9    36.8    +      -       +      +
    352E  SER*     3.6     3.4    -      -       -      +
    354E  ILE*     1.3    76.4    -      -       +      +
    356E  SER*     1.3    60.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 356 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    352E  SER*     2.6    38.3    +      -       -      -
    353E  PHE*     4.2     9.5    -      -       -      +
    354E  ILE      3.0    10.3    -      -       -      +
    355E  ARG*     1.3    82.2    -      -       -      +
----------------------------------------------------------
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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