Contacts of the helix formed by residues 250 - 279 (chain O) in PDB entry 4BOG


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 250 (chain O).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    243K  MET*     3.8     8.1    -      -       +      -
    244K  THR*     5.1     0.9    -      -       -      -
    300K  HIS*     4.5     8.2    -      -       -      +
    306K  HIS*     2.7    26.8    +      -       -      +
    242O  LEU*     4.8     0.2    -      -       +      -
    243O  PRO*     5.6     2.7    -      -       +      -
    246O  ALA*     2.9    21.0    -      -       +      +
    247O  GLY      2.5    57.1    -      -       -      +
    248O  GLY      2.6     9.7    +      -       -      -
    249O  GLN*     1.3   109.8    -      -       -      +
    251O  CYS*     1.3    53.6    +      -       -      +
    252O  THR      3.1     2.7    -      -       -      -
    253O  LEU*     2.8    35.8    -      -       +      +
    254O  SER*     2.6    33.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with CYS 251 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241N  GLU      5.4     2.2    -      -       -      -
    242N  LYS*     4.9     3.8    -      -       +      -
    245N  LEU*     4.6     9.0    -      -       +      -
    248O  GLY      3.5     9.5    +      -       -      +
    250O  LYS*     1.3    77.6    -      -       -      +
    252O  THR*     1.3    96.1    +      -       -      +
    254O  SER*     3.2    18.1    -      -       -      -
    255O  ILE*     3.3    12.8    +      -       -      +
    304O  LEU*     4.7     3.8    -      -       +      +
    307O  SER*     4.7    15.4    +      -       -      +
    314O  HIS*     3.0    45.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR 252 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    244K  THR*     5.5     1.1    +      -       -      +
    242N  LYS*     5.8     0.2    -      -       -      -
    244N  THR*     5.8     6.2    -      -       +      +
    245N  LEU*     4.0    19.6    -      -       -      +
    249O  GLN*     4.2    17.0    -      -       +      +
    251O  CYS*     1.3    94.5    -      -       -      +
    253O  LEU*     1.3    68.1    +      -       -      +
    254O  SER      3.1     0.4    -      -       -      -
    255O  ILE*     3.0    11.5    +      -       -      +
    256O  SER*     2.8    23.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 253 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    244K  THR*     4.0    17.0    -      -       -      +
    247K  ILE*     3.1    37.2    -      -       +      -
    300K  HIS*     3.8    18.8    -      -       +      +
    242O  LEU*     2.9    37.2    -      -       +      -
    249O  GLN      3.7     5.8    +      -       -      +
    250O  LYS*     2.8    49.5    -      -       +      +
    252O  THR*     1.3    80.7    -      -       -      +
    254O  SER*     1.3    64.7    +      -       -      +
    256O  SER*     2.8    26.5    +      -       -      -
    257O  VAL*     3.3     9.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 254 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    239O  VAL*     2.5    41.9    +      -       -      +
    242O  LEU*     5.3     2.2    -      -       -      -
    243O  PRO*     5.9     2.9    -      -       -      +
    250O  LYS      2.6    14.0    +      -       -      -
    251O  CYS*     3.2    14.1    -      -       -      -
    253O  LEU*     1.3    80.7    -      -       -      +
    255O  ILE*     1.3    65.5    +      -       -      -
    257O  VAL*     3.0    21.6    +      -       -      +
    258O  LEU*     3.1    10.7    +      -       -      +
    303O  VAL*     4.1     7.1    -      -       -      +
    307O  SER*     5.0     7.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 255 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    245N  LEU*     2.9    50.9    -      -       +      -
    248N  SER*     3.8    14.4    -      -       -      +
    249N  VAL*     3.8    10.1    -      -       +      -
    251O  CYS      3.4     8.1    -      -       -      +
    252O  THR      3.0     8.0    +      -       -      +
    254O  SER*     1.3    74.7    -      -       -      +
    256O  SER*     1.3    68.5    +      -       -      +
    257O  VAL      2.9     2.0    -      -       -      -
    258O  LEU*     2.7    24.1    +      -       +      +
    259O  LEU*     2.9    14.9    +      -       +      +
    303O  VAL*     6.1     0.9    -      -       +      -
    304O  LEU*     3.2    45.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 256 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    247K  ILE*     3.2    36.1    -      -       -      +
    248K  SER*     5.7     0.9    -      -       -      -
    251K  LEU*     2.7    27.8    -      -       -      +
    248N  SER*     5.7     1.6    -      -       -      -
    252O  THR*     2.8    13.0    +      -       -      -
    253O  LEU*     2.8    15.7    +      -       -      -
    255O  ILE*     1.3    78.5    -      -       -      +
    257O  VAL*     1.3    53.4    +      -       -      +
    259O  LEU*     3.5    10.4    +      -       -      +
    260O  ALA      3.0    15.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 257 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    247K  ILE*     3.9    18.2    -      -       +      -
    251K  LEU*     4.1     8.3    -      -       +      -
    235O  LEU*     2.9    49.8    -      -       +      -
    236O  VAL*     5.5     0.2    -      -       +      -
    239O  VAL*     4.4    15.3    -      -       +      -
    242O  LEU*     5.1     5.8    -      -       +      -
    253O  LEU*     3.4    20.4    -      -       +      +
    254O  SER*     3.1    14.1    -      -       -      +
    255O  ILE      2.8     1.4    +      -       -      -
    256O  SER*     1.3    79.3    +      -       -      +
    258O  LEU*     1.3    55.7    +      -       -      +
    260O  ALA      3.0     0.9    +      -       -      -
    261O  GLN*     2.3    42.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 258 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    228N  LEU*     3.3    33.7    -      -       +      -
    231N  LEU*     5.9     1.8    -      -       +      -
    249N  VAL*     4.3     2.5    -      -       +      -
    239O  VAL*     5.6     1.7    -      -       +      +
    254O  SER      3.1     8.0    +      -       -      +
    255O  ILE*     2.7    27.2    +      -       +      +
    257O  VAL*     1.3    70.4    -      -       -      +
    259O  LEU*     1.3    77.0    +      -       +      +
    261O  GLN*     3.5     6.5    -      -       -      +
    262O  THR*     3.0    34.2    +      -       -      +
    297O  VAL*     5.4     3.8    -      -       +      +
    300O  CYS*     3.2    34.5    -      -       -      +
    301O  VAL*     3.9    24.0    -      -       +      +
    304O  LEU*     6.1     4.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 259 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    248N  SER*     2.8    47.8    -      -       -      +
    249N  VAL*     3.2    22.7    -      -       +      -
    252N  SER*     2.8    35.2    -      -       -      +
    256N  PHE*     3.6     6.0    -      -       +      -
    255O  ILE*     2.9    15.2    +      -       +      +
    256O  SER*     3.7     9.9    -      -       -      +
    258O  LEU*     1.3    88.2    -      -       +      +
    260O  ALA*     1.3    58.7    +      -       -      +
    262O  THR      3.5     0.2    +      -       -      -
    263O  ILE*     2.9    36.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 260 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    251K  LEU*     2.5    61.7    -      -       +      -
    256O  SER      3.0     5.1    +      -       -      +
    257O  VAL      3.0     1.2    +      -       -      +
    259O  LEU*     1.3    76.4    -      -       -      +
    261O  GLN*     1.3    58.5    +      -       -      +
    263O  ILE*     3.2     6.2    +      -       -      -
    264O  PHE*     2.5    46.2    +      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 261 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    232O  ILE*     3.4    27.9    -      -       +      +
    235O  LEU*     5.0     4.0    -      -       +      +
    236O  VAL*     2.9    32.3    -      -       +      +
    257O  VAL*     2.3    41.0    +      -       +      +
    258O  LEU*     3.5     8.1    -      -       -      +
    260O  ALA*     1.3    67.0    -      -       -      +
    262O  THR*     1.3    65.8    +      -       -      +
    264O  PHE*     3.5     7.7    -      -       -      +
    265O  LEU*     2.8    43.9    +      -       -      +
    296O  ILE*     2.7    38.0    -      -       -      +
    297O  VAL*     5.2     0.6    -      -       -      +
    300O  CYS*     4.1    17.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with THR 262 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    224N  LEU*     5.6     5.8    -      -       +      -
    256N  PHE*     3.2    28.3    -      -       +      -
    258O  LEU*     3.0    20.3    +      -       -      +
    261O  GLN*     1.3    79.0    -      -       -      +
    263O  ILE*     1.3    68.1    +      -       -      +
    264O  PHE      2.8     1.8    -      -       -      -
    265O  LEU*     2.3    41.6    -      -       +      +
    266O  PHE*     2.9    22.1    +      -       +      +
    297O  VAL*     4.0    11.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 263 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    255K  VAL*     4.2    10.8    -      -       +      -
    255N  VAL*     5.2     9.9    -      -       +      -
    256N  PHE*     3.1    24.3    -      -       +      -
    259O  LEU*     2.9    24.6    +      -       +      +
    260O  ALA*     3.2     4.0    +      -       -      +
    262O  THR*     1.3    78.2    -      -       -      +
    264O  PHE*     1.3    86.2    +      -       +      +
    266O  PHE*     5.1     0.7    -      -       -      +
    267O  LEU*     3.2    24.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 264 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    250K  LEU      5.3     0.2    -      -       -      -
    251K  LEU*     3.2    22.7    -      -       +      -
    254K  THR*     3.7    19.1    -      -       +      -
    255K  VAL*     2.7    39.9    -      -       +      -
    258K  LEU*     3.2    28.2    -      -       +      +
    231O  LEU*     6.4     1.8    -      -       +      -
    232O  ILE*     5.3    11.4    -      -       +      -
    260O  ALA*     2.5    40.4    -      -       +      +
    261O  GLN*     3.5     9.6    -      -       -      +
    263O  ILE*     1.3    90.8    -      -       +      +
    265O  LEU*     1.3    49.5    +      -       -      +
    267O  LEU*     3.3     8.6    -      -       -      +
    268O  ILE*     2.8    37.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 265 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    224N  LEU*     5.7     0.4    -      -       +      -
    232O  ILE*     5.8     1.6    -      -       +      -
    261O  GLN*     2.8    39.7    +      -       -      +
    262O  THR*     2.3    43.9    +      -       +      +
    264O  PHE*     1.3    73.2    -      -       -      +
    266O  PHE*     1.3    63.2    +      -       -      +
    267O  LEU      3.0     0.7    -      -       -      -
    268O  ILE*     2.6    38.9    +      -       +      +
    269O  ALA*     2.7     8.2    +      -       -      +
    293O  SER*     4.6    11.4    -      -       -      +
    296O  ILE*     3.0    20.0    -      -       +      -
    297O  VAL*     3.9    21.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 266 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    217N  ASN*     6.1     2.9    -      -       -      -
    256N  PHE*     5.2    16.6    -      +       +      -
    259N  VAL*     4.5    13.9    -      -       +      -
    260N  ILE*     5.5     3.8    -      -       +      -
    263N  LEU*     2.9    42.8    -      -       +      -
    262O  THR*     2.9    16.9    +      -       +      +
    263O  ILE      5.1     0.7    -      -       -      +
    265O  LEU*     1.3    80.5    -      -       -      +
    267O  LEU*     1.3    54.4    +      -       -      +
    269O  ALA*     2.6    21.7    +      -       +      -
    270O  GLN*     2.6    67.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 267 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    255K  VAL*     4.9    12.3    -      -       +      -
    258K  LEU*     5.0     9.9    -      -       +      -
    259K  VAL*     4.6    17.5    -      -       +      -
    262K  GLU*     4.0    26.5    -      -       -      +
    263O  ILE*     3.2    25.1    +      -       +      +
    264O  PHE*     3.3     8.7    -      -       -      +
    265O  LEU      3.0     1.0    -      -       -      -
    266O  PHE*     1.3    77.1    -      -       -      +
    268O  ILE*     1.3    61.4    +      -       -      +
    270O  GLN*     2.7    58.2    -      -       -      +
    271O  LYS*     2.9    16.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 268 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    225O  ILE*     4.8    17.5    -      -       +      -
    264O  PHE*     2.8    22.6    +      -       +      +
    265O  LEU*     2.6    35.7    +      -       +      +
    267O  LEU*     1.3    71.9    -      -       -      +
    269O  ALA*     1.3    69.4    +      -       +      +
    271O  LYS*     3.0    21.9    +      -       +      +
    272O  VAL*     3.2    29.9    +      -       +      -
    273O  PRO*     3.5     1.0    -      -       -      +
    289O  VAL*     4.8    17.0    -      -       +      -
    293O  SER*     6.6     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 269 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    265O  LEU      2.7     6.4    +      -       -      +
    266O  PHE*     2.6    41.4    +      -       +      +
    268O  ILE*     1.3    80.6    -      -       +      +
    270O  GLN*     1.3    46.9    -      -       -      -
    272O  VAL*     5.5     0.4    -      -       -      -
    273O  PRO*     2.6    31.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 270 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    262K  GLU*     4.1     6.8    -      -       -      +
    259N  VAL*     4.6    11.5    -      -       -      +
    263N  LEU*     4.3    12.7    -      -       +      +
    266O  PHE*     2.6    54.4    +      -       +      +
    267O  LEU*     2.7    53.2    -      -       -      +
    269O  ALA*     1.3    70.8    -      -       -      +
    271O  LYS*     1.3    55.7    +      -       -      +
    273O  PRO*     2.5    27.2    -      -       -      +
    274O  GLU*     3.5    10.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 271 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    258K  LEU      5.3     1.3    -      -       -      -
    261K  VAL*     5.0    11.2    -      -       +      -
    262K  GLU*     2.7    51.2    +      -       -      +
    224O  ASN*     5.6     6.5    -      -       -      +
    267O  LEU*     2.9    18.1    +      -       -      +
    268O  ILE*     3.0    10.9    +      -       +      +
    270O  GLN*     1.3    71.9    +      -       -      +
    272O  VAL*     1.3    68.6    +      -       +      +
    273O  PRO*     2.9     3.4    -      -       -      -
    274O  GLU*     3.1    27.5    -      -       -      +
    275O  THR*     3.4     6.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 272 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    221O  TYR*     6.0     7.6    -      -       +      -
    225O  ILE*     5.7     9.9    -      -       +      -
    268O  ILE*     3.2    26.9    +      -       +      +
    269O  ALA*     5.5     0.7    -      -       -      -
    271O  LYS*     1.3    79.3    -      -       +      +
    273O  PRO*     1.3    74.2    -      -       +      +
    274O  GLU      3.1     1.1    -      -       -      -
    275O  THR*     2.9    35.1    -      -       +      +
    276O  SER*     3.2     8.4    +      -       -      +
    289O  VAL*     6.1     2.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with PRO 273 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    268O  ILE      3.5     1.3    -      -       -      +
    269O  ALA*     2.6    31.2    -      -       -      +
    270O  GLN*     2.5    35.0    -      -       -      +
    271O  LYS      3.1     0.7    -      -       -      +
    272O  VAL*     1.3    88.2    -      -       +      +
    274O  GLU*     1.3    65.1    +      -       -      +
    276O  SER*     3.1    11.9    +      -       -      -
    277O  LEU*     2.9    28.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 274 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    270O  GLN      3.7     8.6    -      -       -      +
    271O  LYS*     3.1    15.6    -      -       -      +
    273O  PRO*     1.3    82.9    -      -       -      +
    275O  THR*     1.3    63.0    +      -       -      +
    277O  LEU*     3.0    25.2    +      -       +      +
    278O  ASN*     2.9    34.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 275 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    221O  TYR*     5.6    17.3    -      -       +      -
    271O  LYS*     3.4     5.0    +      -       -      +
    272O  VAL*     2.9    44.3    -      -       +      +
    274O  GLU*     1.3    80.1    -      -       -      +
    276O  SER*     1.3    57.4    +      -       -      +
    278O  ASN*     3.3     3.4    +      -       -      +
    279O  VAL*     2.6    40.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 276 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45O  LYS*     4.7     0.3    -      -       -      +
    134O  PHE*     5.3     9.1    -      -       -      -
    272O  VAL*     3.2     7.3    +      -       -      +
    273O  PRO*     3.1     9.7    +      -       -      -
    275O  THR*     1.3    81.4    -      -       -      +
    277O  LEU*     1.3    57.3    +      -       -      +
    279O  VAL*     2.1    32.4    -      -       -      +
    280O  PRO      2.4    17.0    +      -       -      +
    281O  LEU*     3.3    35.0    -      -       -      +
    286O  LEU*     5.7     1.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 277 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45O  LYS*     2.4    44.3    +      -       -      +
    273O  PRO*     2.9    26.2    -      -       +      +
    274O  GLU*     3.0    16.1    +      -       +      +
    276O  SER*     1.3    82.1    -      -       -      +
    278O  ASN*     1.3    52.3    +      -       -      +
    281O  LEU*     4.9    12.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 278 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43O  ASN*     3.5    14.0    -      -       -      +
     45O  LYS*     3.3    20.1    -      -       -      +
    274O  GLU*     2.9    42.3    +      -       -      +
    275O  THR*     4.1     5.6    -      -       -      +
    277O  LEU*     1.3    77.7    -      -       -      +
    279O  VAL*     1.3    62.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 279 (chain O). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42O  LEU      4.9     8.5    -      -       -      +
     43O  ASN*     5.1     1.8    -      -       -      +
     44O  GLU      5.6     0.4    -      -       -      +
     45O  LYS*     3.1    18.6    -      -       -      +
    134O  PHE*     5.2     7.2    -      -       +      -
    216O  ARG*     4.8    14.6    -      -       -      +
    275O  THR*     2.6    41.5    +      -       +      +
    276O  SER*     2.1    25.7    -      -       -      +
    278O  ASN*     1.3    81.3    -      -       +      +
    280O  PRO*     1.4    76.1    -      -       +      +
----------------------------------------------------------
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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