Contacts of the helix formed by residues 243 - 268 (chain C) in PDB entry 1D2V


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 MET 243 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87A  MET*     4.3    10.5    -      -       +      -
     88A  GLN*     3.6    11.4    -      -       -      +
     91A  GLN*     3.5    14.6    -      -       -      +
    605A  HEM      1.6    70.9    -      -       +      -
    241C  SER      3.9     1.8    -      -       -      -
    242C  GLU*     1.3    79.9    -      -       -      +
    244C  PRO*     1.4    65.8    -      -       +      +
    245C  GLU*     3.0    32.3    -      -       -      +
    246C  LEU*     2.9    29.4    +      -       +      +
    247C  THR*     3.1    13.4    +      -       -      -
    339C  ILE*     5.3     0.4    -      -       +      -
    361C  LEU*     3.6    31.6    -      -       +      -
    364C  VAL*     4.0     2.2    -      -       +      -
    365C  PHE*     4.6     6.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with PRO 244 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241C  SER      4.7     0.4    -      -       -      +
    243C  MET*     1.4    82.6    -      -       +      +
    245C  GLU*     1.3    58.2    -      -       -      +
    247C  THR*     3.1    12.5    +      -       -      +
    248C  SER*     2.6    40.4    +      -       -      -
    343C  MET*     3.5    25.8    -      -       +      -
    364C  VAL*     3.1    32.3    -      -       +      +
    367C  ALA*     3.9    22.0    -      -       +      +
    370C  ARG*     4.7     3.6    -      -       +      -
    371C  VAL*     4.1     9.3    -      -       +      +
    380C  ILE*     3.8    14.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 245 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     84A  LEU*     5.7     3.3    -      -       +      +
     87A  MET*     5.5     1.1    -      -       +      -
     88A  GLN*     3.1    20.9    -      -       -      +
    243C  MET*     3.0    42.8    -      -       -      +
    244C  PRO*     1.3    76.0    -      -       -      +
    246C  LEU*     1.3    59.4    +      -       -      +
    248C  SER*     3.3     3.8    +      -       -      -
    249C  MET*     3.1    26.9    +      -       -      +
    342C  PHE      4.6     1.2    -      -       -      +
    343C  MET*     3.5    38.1    -      -       +      +
    344C  PHE      5.9     0.4    -      -       -      +
    361C  LEU*     3.9     4.6    -      -       -      +
    380C  ILE*     3.6    20.6    -      -       +      +
    384C  LEU*     3.9    26.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 246 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     88A  GLN*     3.2    24.6    +      -       -      +
     91A  GLN*     3.5    17.5    -      -       -      +
     92A  LEU*     3.9    26.5    -      -       +      +
     95A  HIS*     3.6    25.8    -      -       +      +
    239C  ARG      3.1    29.2    -      -       -      +
    240C  SER*     3.7     5.8    -      -       -      +
    242C  GLU*     4.2     4.7    -      -       +      -
    243C  MET*     2.9    13.0    +      -       +      +
    245C  GLU*     1.3    75.7    -      -       -      +
    247C  THR*     1.3    67.3    +      -       -      +
    249C  MET*     3.1     6.0    +      -       -      +
    250C  HIS*     3.0    43.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with THR 247 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211C  LEU*     4.3     6.5    -      -       +      -
    233C  PHE*     3.5    36.0    -      -       +      -
    240C  SER      2.7    21.8    +      -       -      +
    241C  SER*     3.3    13.7    -      -       -      -
    243C  MET      3.1     8.4    +      -       -      -
    244C  PRO*     3.3    16.0    -      -       -      +
    246C  LEU*     1.3    74.6    -      -       -      +
    248C  SER*     1.3    58.2    +      -       -      +
    250C  HIS*     3.1     6.4    +      -       -      +
    251C  THR*     2.8    40.8    +      -       -      +
    368C  SER*     5.6     1.9    -      -       -      -
    371C  VAL*     4.0    14.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 248 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    244C  PRO      2.6    21.9    +      -       -      -
    245C  GLU      3.5     7.2    -      -       -      -
    246C  LEU      3.1     0.2    -      -       -      -
    247C  THR*     1.3    73.2    -      -       -      +
    249C  MET*     1.3    56.5    +      -       -      +
    251C  THR*     3.3     3.3    +      -       -      -
    252C  LEU*     2.9    27.7    +      -       -      +
    371C  VAL*     5.1     0.5    -      -       -      +
    377C  ILE*     3.4    35.6    -      -       -      +
    380C  ILE*     3.1    31.9    -      -       -      +
    381C  LEU*     3.9    15.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 249 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     85A  MET*     3.6    35.2    -      -       +      +
     88A  GLN*     3.7    18.4    -      -       +      +
     89A  TRP*     3.7    34.3    -      -       +      -
     92A  LEU*     3.7    23.3    -      -       +      -
    245C  GLU      3.1    13.6    +      -       -      +
    246C  LEU*     3.1     7.5    +      -       -      +
    248C  SER*     1.3    72.5    -      -       -      +
    250C  HIS*     1.3    65.6    +      -       -      +
    252C  LEU*     3.3    12.6    +      -       +      +
    253C  LEU*     3.1    28.2    +      -       +      +
    381C  LEU*     3.7    21.1    -      -       -      -
    384C  LEU*     4.5     1.1    -      -       -      -
    533C  LEU*     4.1    12.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with HIS 250 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     92A  LEU*     4.0     7.7    -      -       +      +
     95A  HIS*     4.8     4.0    +      -       -      +
    175C  MET*     3.1    48.3    +      -       +      +
    176C  VAL*     5.1     6.5    -      -       -      +
    211C  LEU*     3.8    20.4    -      -       +      +
    235C  ALA*     3.9    10.4    -      -       +      +
    237C  ASP*     4.3     8.5    -      -       +      +
    240C  SER*     3.6    34.6    +      -       -      -
    246C  LEU*     3.0    40.3    +      -       +      +
    247C  THR*     3.4     7.9    -      -       -      +
    249C  MET*     1.3    77.0    -      -       -      +
    251C  THR*     1.3    62.7    +      -       -      +
    253C  LEU*     3.4     5.5    +      -       -      +
    254C  LEU*     3.1    22.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with THR 251 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    209C  ALA      3.2    27.6    -      -       -      +
    210C  LEU*     4.1    14.4    -      -       +      +
    211C  LEU*     3.7    21.5    +      -       -      +
    247C  THR*     2.8    23.1    +      -       -      +
    248C  SER      3.5     5.6    -      -       -      -
    250C  HIS*     1.3    76.8    -      -       -      +
    252C  LEU*     1.3    62.7    +      -       -      +
    254C  LEU*     3.2     4.2    +      -       +      +
    255C  ARG*     3.0    40.3    +      -       +      +
    377C  ILE*     4.0    14.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 252 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    248C  SER      2.9    13.6    +      -       -      +
    249C  MET*     3.4    23.3    -      -       +      +
    251C  THR*     1.3    76.3    -      -       -      +
    253C  LEU*     1.3    64.8    +      -       +      +
    255C  ARG*     3.2     8.4    +      -       -      +
    256C  GLU*     2.9    25.3    +      -       -      +
    377C  ILE*     4.4     5.1    -      -       -      +
    381C  LEU*     4.7     6.5    -      -       +      -
    533C  LEU*     3.9    17.5    -      -       +      -
    536C  ILE*     3.7    42.2    -      -       +      +
    537C  ILE*     3.8    29.2    -      -       +      -
    540C  ASN*     3.9    11.3    -      -       +      -
    541C  THR*     4.2    10.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 253 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     89A  TRP*     5.2     9.9    -      -       +      -
     92A  LEU*     4.2    25.8    -      -       +      -
    175C  MET*     4.5     4.3    -      -       +      -
    176C  VAL*     4.0    32.3    -      -       +      +
    249C  MET*     3.1    14.7    +      -       +      +
    250C  HIS*     4.1     1.8    -      -       -      +
    252C  LEU*     1.3    91.8    -      -       +      +
    254C  LEU*     1.3    61.1    +      -       -      +
    256C  GLU*     3.2     8.6    +      -       +      +
    257C  HIS*     2.9    28.9    +      -       -      +
    284C  VAL*     4.7    15.5    -      -       +      +
    287C  MET*     6.2     2.7    -      -       +      -
    288C  VAL*     4.2    23.6    -      -       +      -
    291C  ILE*     6.3     0.2    -      -       +      -
    533C  LEU*     5.8     0.7    -      -       +      -
    536C  ILE*     4.7    17.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 254 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176C  VAL*     5.0     4.4    -      -       +      +
    187C  LEU*     6.5     0.4    -      -       +      -
    197C  LEU*     3.6    33.0    -      -       +      -
    198C  ALA      3.5    21.3    -      -       -      +
    199C  VAL*     3.9    23.1    -      -       +      -
    209C  ALA*     3.9    16.4    -      -       +      -
    210C  LEU      4.3    13.7    -      -       -      +
    211C  LEU*     4.1    20.0    -      -       +      -
    212C  PRO*     5.0     2.5    -      -       +      -
    250C  HIS      3.1    14.2    +      -       -      +
    251C  THR      3.2     9.8    +      -       -      +
    253C  LEU*     1.3    76.4    -      -       -      +
    255C  ARG*     1.3    66.7    +      -       +      +
    257C  HIS*     3.3     3.1    +      -       -      +
    258C  ASN*     3.2    23.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 255 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205C  ASP*     3.0    38.0    +      -       -      +
    208C  ARG*     3.6    22.8    -      -       -      +
    209C  ALA*     2.7    45.1    +      -       +      +
    210C  LEU*     4.4     1.0    -      -       -      +
    251C  THR*     3.0    23.1    +      -       -      +
    252C  LEU*     3.5     7.0    -      -       -      +
    254C  LEU*     1.3    79.1    -      -       +      +
    256C  GLU*     1.4    52.0    +      -       -      +
    258C  ASN*     3.1     7.8    +      -       -      +
    259C  ARG*     2.7    35.3    +      -       -      +
    377C  ILE*     3.2    28.9    -      -       -      +
    378C  ASP*     4.7     1.4    +      -       -      -
    540C  ASN*     2.9    41.5    +      -       +      +
    541C  THR*     4.2     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 256 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    252C  LEU      2.9    13.6    +      -       -      +
    253C  LEU*     3.2    15.2    +      -       +      +
    255C  ARG*     1.4    76.9    -      -       -      +
    257C  HIS*     1.4    57.8    +      -       -      +
    259C  ARG*     2.6    46.4    +      -       -      -
    260C  LEU*     2.9    45.5    +      -       +      +
    284C  VAL*     4.6     4.5    -      -       +      -
    287C  MET*     3.3    37.7    -      -       -      +
    536C  ILE*     4.2    15.9    -      -       +      +
    539C  ASP*     4.3     1.7    -      -       -      +
    540C  ASN*     2.8    25.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 257 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176C  VAL*     5.4     0.2    -      -       +      -
    177C  TYR*     2.8    30.3    +      +       -      +
    195C  GLY      2.9    25.2    +      -       -      -
    197C  LEU*     3.5    30.2    -      -       +      +
    253C  LEU      2.9    11.7    +      -       -      +
    254C  LEU      3.6     1.8    -      -       -      +
    255C  ARG      3.2     0.2    -      -       -      -
    256C  GLU*     1.4    76.4    -      -       -      +
    258C  ASN*     1.3    73.4    +      -       -      +
    260C  LEU*     3.3     4.2    +      -       -      +
    261C  ALA*     2.9    27.2    +      -       +      +
    277C  TYR*     3.3    43.9    -      +       -      -
    280C  ALA*     3.4    15.2    -      -       +      +
    281C  ARG      3.7     1.6    -      -       -      -
    284C  VAL*     4.0     8.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASN 258 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    196C  LEU*     3.3    28.3    -      -       +      +
    197C  LEU*     2.8    45.4    +      -       -      +
    199C  VAL*     3.5    19.8    -      -       -      +
    209C  ALA*     5.3     2.0    -      -       -      +
    254C  LEU*     3.2    12.6    +      -       -      +
    255C  ARG*     3.1     9.4    +      -       -      +
    257C  HIS*     1.3    83.0    -      -       -      +
    259C  ARG*     1.3    56.9    +      -       -      +
    261C  ALA*     3.5     1.9    +      -       -      +
    262C  THR*     2.8    35.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 259 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    255C  ARG      2.7    20.1    +      -       -      +
    256C  GLU*     2.6    43.4    +      -       -      +
    258C  ASN*     1.3    72.9    -      -       -      +
    260C  LEU*     1.3    72.3    +      -       -      +
    262C  THR*     3.2     7.1    +      -       -      -
    263C  GLU*     2.9    74.0    +      -       +      +
    287C  MET*     4.9     0.6    -      -       -      +
    539C  ASP*     3.5    43.4    +      -       -      +
    540C  ASN*     3.6    13.9    -      -       -      +
    569C  ALA*     5.6     6.3    -      -       -      +
    570C  LEU*     4.6    15.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 260 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    256C  GLU*     2.9    46.1    +      -       +      +
    257C  HIS      3.7     2.7    -      -       -      +
    259C  ARG*     1.3    80.8    -      -       -      +
    261C  ALA*     1.3    67.5    +      -       -      +
    263C  GLU*     3.4     5.0    +      -       -      +
    264C  LEU*     2.9    33.0    +      -       +      +
    280C  ALA*     4.0    11.0    -      -       +      +
    283C  ILE*     3.4    41.7    -      -       +      -
    284C  VAL*     3.8    20.6    -      -       +      -
    287C  MET*     4.5     0.4    -      -       -      -
    570C  LEU*     3.9    12.1    -      -       +      -
    572C  LEU*     4.1    17.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 261 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    194C  LEU      3.6    22.7    -      -       -      +
    195C  GLY      4.0    11.2    -      -       -      +
    196C  LEU*     3.7    13.5    -      -       +      -
    257C  HIS*     2.9    18.2    +      -       -      +
    258C  ASN      3.7     0.2    -      -       -      +
    260C  LEU*     1.3    77.0    -      -       -      +
    262C  THR*     1.4    56.8    +      -       -      +
    264C  LEU*     3.2     6.4    +      -       -      +
    265C  LYS*     2.9    29.9    +      -       -      +
    276C  LEU*     3.7    11.0    -      -       +      +
    280C  ALA*     3.8    12.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR 262 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    196C  LEU*     4.4     9.4    -      -       -      +
    258C  ASN*     2.8    23.7    +      -       -      +
    259C  ARG*     3.2     6.4    +      -       -      -
    261C  ALA*     1.4    74.4    -      -       -      +
    263C  GLU*     1.3    65.2    +      -       +      +
    265C  LYS*     3.0    18.3    +      -       +      +
    266C  SER*     3.2    17.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 263 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    259C  ARG*     2.9    53.5    +      -       +      +
    260C  LEU      3.9     1.3    -      -       -      +
    262C  THR*     1.3    78.4    -      -       +      +
    264C  LEU*     1.3    61.7    +      -       -      +
    266C  SER*     3.3     7.7    +      -       -      +
    267C  LEU*     3.2    31.6    +      -       +      +
    570C  LEU      4.9     4.5    -      -       -      +
    572C  LEU*     3.2    32.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 264 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    260C  LEU      2.9    26.2    +      -       -      +
    261C  ALA*     3.6     4.0    -      -       -      +
    263C  GLU*     1.3    75.7    -      -       -      +
    265C  LYS*     1.3    53.8    +      -       -      +
    267C  LEU*     3.3     5.1    +      -       +      -
    268C  ASN*     2.8    41.8    +      -       -      +
    271C  TRP*     4.3     9.9    -      -       +      -
    276C  LEU*     3.7    14.8    -      -       +      +
    279C  GLU*     3.8    29.8    -      -       +      -
    280C  ALA*     3.9    13.0    -      -       -      +
    283C  ILE*     4.1    11.9    -      -       +      -
    572C  LEU*     4.5    16.6    -      -       +      -
    575C  TRP*     3.6    36.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 265 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    193C  GLN*     5.1     5.7    +      -       -      +
    194C  LEU*     4.5    25.4    -      -       +      +
    261C  ALA      2.9    14.1    +      -       -      +
    262C  THR*     3.0    13.7    +      -       +      +
    264C  LEU*     1.3    78.3    -      -       -      +
    266C  SER*     1.3    60.9    +      -       -      +
    268C  ASN      3.3     2.3    -      -       -      +
    269C  PRO*     3.2    50.6    +      -       -      +
    271C  TRP      3.9    10.2    +      -       -      +
    276C  LEU*     3.7    29.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 266 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    262C  THR*     3.2    14.0    +      -       -      +
    263C  GLU*     3.7    10.7    -      -       -      -
    264C  LEU      3.3     0.2    -      -       -      -
    265C  LYS*     1.3    77.6    -      -       -      +
    267C  LEU*     1.3    68.8    +      -       -      +
    269C  PRO*     3.7    13.7    -      -       -      +
    576C  ARG*     5.0     2.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 267 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    263C  GLU*     3.2    22.5    +      -       +      +
    264C  LEU*     3.8     7.4    -      -       +      +
    266C  SER*     1.3    84.7    -      -       -      +
    268C  ASN*     1.3    69.5    +      -       -      +
    269C  PRO*     3.4     7.7    -      -       -      +
    572C  LEU*     4.8    19.5    -      -       +      +
    573C  ALA*     4.9     7.2    -      -       -      -
    576C  ARG*     3.1    77.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASN 268 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    264C  LEU*     2.8    20.2    +      -       -      +
    265C  LYS*     3.3    10.6    -      -       -      +
    267C  LEU*     1.3    81.7    -      -       -      +
    269C  PRO*     1.4    64.1    -      -       -      +
    270C  ARG      3.3     3.1    -      -       -      -
    271C  TRP*     3.1    63.3    +      -       +      +
    575C  TRP      3.0    24.2    +      -       -      -
    576C  ARG*     3.6     2.6    -      -       -      +
    577C  GLU*     2.7    34.9    +      -       -      +
----------------------------------------------------------
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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