Contacts of the helix formed by residues 241 - 262 (chain B) in PDB entry 3OEE


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 ALA 241 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     77B  LEU      4.4     0.7    -      -       -      +
     78B  PHE*     4.2     4.9    -      -       -      -
     79B  GLY*     3.8    40.2    -      -       -      +
     80B  SER*     4.8     0.4    -      -       -      +
    239B  SER      4.0     0.2    +      -       -      -
    240B  GLU*     1.3    76.6    -      -       -      +
    242B  ALA*     1.3    68.5    +      -       -      +
    243B  PRO*     3.2    11.2    -      -       +      -
    244B  LEU*     2.8    20.8    +      -       +      +
    245B  GLN*     3.4     6.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 242 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    240B  GLU      3.6     3.1    +      -       -      -
    241B  ALA*     1.3    69.0    -      -       -      +
    243B  PRO*     1.3    66.0    -      -       +      +
    245B  GLN*     3.0    10.0    +      -       -      +
    246B  TYR*     2.8    27.3    +      -       -      +
    279B  ALA*     3.6    29.2    -      -       +      +
    282B  GLN*     3.3    40.7    -      -       +      +
    283B  LEU*     4.8     6.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with PRO 243 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39B  GLY*     5.5     3.1    -      -       -      +
     76B  VAL*     3.2    35.2    -      -       +      -
     77B  LEU      3.3    20.2    -      -       -      +
     78B  PHE*     3.9    15.2    -      -       +      -
    241B  ALA*     3.3     8.3    -      -       +      -
    242B  ALA*     1.3    93.5    -      -       +      +
    244B  LEU*     1.3    55.1    +      -       -      +
    246B  TYR*     3.4    14.0    -      -       +      -
    247B  LEU*     2.9    32.1    +      -       -      +
    282B  GLN*     5.5     0.2    -      -       -      +
    283B  LEU*     4.2    13.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 244 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     78B  PHE*     3.4    51.4    -      -       +      +
     79B  GLY*     5.2     0.7    -      -       -      -
    111B  ASP*     5.5     6.7    -      -       +      +
    112B  ALA*     3.2    31.7    -      -       +      +
    113B  LEU*     4.3    16.4    -      -       +      +
    236B  ALA*     3.4    11.4    -      -       +      +
    240B  GLU*     3.6    29.8    -      -       +      +
    241B  ALA*     2.8    18.5    +      -       +      +
    243B  PRO*     1.3    74.8    -      -       -      +
    245B  GLN*     1.3    57.9    +      -       -      +
    247B  LEU*     3.5     1.1    +      -       +      -
    248B  ALA      3.1    22.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 245 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208B  VAL*     3.4    22.5    -      -       +      +
    209B  GLY*     3.5    21.2    +      -       -      +
    236B  ALA*     3.5    27.8    -      -       +      +
    237B  THR      3.4    16.7    +      -       -      +
    238B  ALA*     4.0     8.4    +      -       -      +
    240B  GLU*     2.8    29.8    +      -       +      -
    241B  ALA      3.4     5.3    +      -       -      +
    242B  ALA*     3.0     9.8    +      -       -      +
    244B  LEU*     1.3    75.4    -      -       -      +
    246B  TYR*     1.3    65.8    +      -       -      +
    247B  LEU      3.1     0.4    +      -       -      -
    248B  ALA*     4.1     0.2    -      -       -      +
    249B  PRO*     3.4    12.5    -      -       -      +
    275B  LYS*     4.6     5.7    -      -       -      +
    276B  GLN*     3.7     2.6    -      -       -      +
    279B  ALA*     3.8    18.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 246 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64B  MET*     5.4    16.5    -      -       +      +
     78B  PHE*     5.6     2.5    -      +       -      -
    132B  GLN*     3.6    10.8    +      -       -      +
    242B  ALA      2.8    12.5    +      -       -      +
    243B  PRO*     3.4    21.5    -      -       +      +
    245B  GLN*     1.3    75.4    -      -       -      +
    247B  LEU*     1.3    93.6    +      -       +      +
    249B  PRO*     3.8     0.3    -      -       -      +
    250B  PHE*     3.5    12.1    -      +       -      -
    276B  GLN*     3.1    33.3    +      -       -      -
    279B  ALA*     4.2     3.2    -      -       -      +
    280B  TYR*     3.2    51.6    -      +       +      +
    283B  LEU*     4.7     9.9    -      -       +      -
    303B  LEU*     3.8    17.9    -      -       +      -
    306B  ARG*     3.6    19.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 247 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64B  MET*     6.1     2.2    -      -       -      -
     78B  PHE*     4.0    16.6    -      -       +      -
     97B  VAL*     4.0    13.0    -      -       +      -
    112B  ALA*     4.0    13.9    -      -       +      +
    113B  LEU*     3.6    33.2    -      -       +      -
    131B  ALA*     3.8    26.2    -      -       +      -
    132B  GLN*     5.0     2.7    -      -       -      +
    243B  PRO      2.9    17.8    +      -       -      +
    244B  LEU*     4.0     3.4    -      -       +      +
    246B  TYR*     1.3    98.7    -      -       +      +
    248B  ALA*     1.3    55.9    +      -       -      +
    250B  PHE*     2.7    33.9    +      -       +      +
    251B  THR*     3.2    15.3    +      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 248 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112B  ALA*     3.6    17.9    -      -       +      +
    206B  VAL*     4.0    15.7    -      -       +      -
    208B  VAL*     4.2     2.5    -      -       +      -
    234B  VAL*     4.0     8.8    -      -       +      +
    236B  ALA*     3.8    16.6    -      -       +      +
    244B  LEU      3.1    16.6    +      -       -      +
    245B  GLN      4.1     1.8    -      -       -      +
    247B  LEU*     1.3    74.0    -      -       -      +
    249B  PRO*     1.3    73.1    -      -       +      +
    250B  PHE      3.0     0.5    +      -       -      -
    251B  THR*     3.2     4.6    +      -       -      -
    252B  ALA*     2.8    23.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 249 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206B  VAL*     4.2     4.5    -      -       +      -
    208B  VAL*     3.7    18.2    -      -       +      -
    245B  GLN      3.4    13.2    -      -       -      +
    246B  TYR      3.8     3.1    -      -       -      +
    247B  LEU      3.7     2.9    -      -       -      -
    248B  ALA*     1.3    93.0    -      -       +      +
    250B  PHE*     1.3    55.2    +      -       -      +
    252B  ALA*     3.8     0.8    -      -       +      +
    253B  ALA      3.0    21.7    +      -       -      -
    270B  TYR*     3.6    26.4    -      -       +      -
    273B  LEU*     4.5     4.5    -      -       +      -
    276B  GLN*     3.8    24.2    -      -       +      +
    307B  LEU*     3.3    31.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 250 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    131B  ALA*     3.4    23.0    -      -       +      +
    132B  GLN*     3.3    35.9    -      -       -      +
    246B  TYR*     3.5    25.6    -      +       -      -
    247B  LEU*     2.7    20.0    +      -       +      +
    249B  PRO*     1.3    69.6    -      -       -      +
    251B  THR*     1.3    63.1    +      -       -      +
    253B  ALA*     3.1    13.5    +      -       -      +
    254B  SER*     3.1    14.9    +      -       -      -
    276B  GLN*     3.4    22.7    -      -       -      -
    303B  LEU*     3.5    28.3    -      -       +      -
    306B  ARG*     3.8    19.7    -      -       +      -
    307B  LEU*     3.7    32.5    -      -       +      -
    310B  ARG*     4.0    10.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 251 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     97B  VAL*     5.1     0.2    -      -       +      -
     98B  ASP      4.7     4.0    -      -       -      +
     99B  VAL*     3.4    36.4    -      -       +      +
    112B  ALA*     2.5    33.4    +      -       -      +
    113B  LEU*     5.4     0.2    -      -       +      -
    131B  ALA*     3.8    20.2    -      -       +      +
    234B  VAL*     4.6     2.4    -      -       -      +
    247B  LEU*     3.2    18.0    +      -       +      -
    248B  ALA*     3.2    11.8    +      -       -      -
    250B  PHE*     1.3    76.1    -      -       -      +
    252B  ALA*     1.3    59.1    +      -       -      +
    254B  SER*     3.5     2.6    +      -       -      -
    255B  ILE*     3.3    29.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 252 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204B  VAL*     3.8     9.8    -      -       +      +
    206B  VAL*     3.3    33.7    -      -       +      -
    234B  VAL*     4.0    14.7    -      -       +      +
    248B  ALA      2.8    20.2    +      -       -      +
    249B  PRO      3.8     2.9    -      -       -      +
    251B  THR*     1.3    74.5    +      -       -      +
    253B  ALA*     1.3    56.3    +      -       -      +
    255B  ILE*     3.5     8.5    +      -       -      +
    256B  GLY      2.9    21.0    +      -       -      -
    268B  ILE*     3.2    13.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 253 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    249B  PRO      3.0    10.0    +      -       -      +
    250B  PHE      3.1     8.8    +      -       -      +
    252B  ALA*     1.3    74.6    -      -       -      +
    254B  SER*     1.3    54.2    +      -       -      +
    256B  GLY*     3.3     1.5    +      -       -      -
    257B  GLU*     2.6    39.7    +      -       -      +
    268B  ILE*     3.9     7.2    -      -       -      +
    270B  TYR*     3.6    18.8    -      -       -      +
    307B  LEU*     4.4     4.7    -      -       +      +
    310B  ARG*     3.8    26.9    -      -       +      +
    323B  LEU*     4.2    10.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 254 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     99B  VAL*     4.2     7.0    -      -       -      -
    101B  VAL*     3.4    11.9    -      -       -      +
    129B  SER*     3.7    19.8    +      -       -      -
    130B  ARG      2.8    27.5    +      -       -      -
    131B  ALA*     3.6     1.7    +      -       -      -
    133B  VAL*     4.9     0.2    -      -       -      -
    250B  PHE      3.1    10.3    +      -       -      -
    251B  THR*     3.9     6.2    +      -       -      -
    252B  ALA      3.4     0.4    -      -       -      -
    253B  ALA*     1.3    73.8    -      -       -      +
    255B  ILE*     1.3    66.3    +      -       -      +
    257B  GLU*     3.6    12.9    -      -       -      +
    258B  TRP*     3.2    17.2    +      -       -      +
    310B  ARG*     3.0    12.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 255 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     99B  VAL*     4.8     7.6    -      -       +      -
    100B  PRO      3.7    13.9    -      -       -      +
    101B  VAL*     3.9     7.6    -      -       +      +
    102B  GLY      5.3     2.2    +      -       -      +
    105B  LEU*     3.3    31.9    -      -       +      -
    110B  VAL*     4.6     6.5    -      -       +      -
    114B  GLY*     5.7     2.2    -      -       -      -
    204B  VAL*     4.3     7.6    -      -       +      -
    232B  ILE*     3.4    35.0    -      -       +      -
    234B  VAL*     4.0    24.7    -      -       +      -
    251B  THR*     3.3    17.2    +      -       -      +
    252B  ALA*     3.6     7.4    -      -       -      +
    254B  SER*     1.3    81.3    -      -       -      +
    256B  GLY*     1.3    61.8    +      -       -      +
    258B  TRP*     3.5    10.9    +      -       -      +
    259B  PHE*     3.6    14.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 256 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204B  VAL*     4.0    15.3    -      -       -      -
    252B  ALA      2.9    15.7    +      -       -      -
    253B  ALA      3.5     3.4    -      -       -      -
    254B  SER      3.2     0.2    -      -       -      -
    255B  ILE*     1.3    75.4    -      -       -      +
    257B  GLU*     1.3    62.9    +      -       -      +
    258B  TRP      3.3     0.9    +      -       -      -
    259B  PHE*     3.3     9.8    +      -       -      +
    260B  ARG*     3.6     6.9    +      -       -      +
    266B  ALA*     3.7    15.0    -      -       -      +
    268B  ILE*     5.0     0.2    -      -       -      -
    323B  LEU*     3.8    23.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 257 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    129B  SER*     5.6     1.0    -      -       -      -
    133B  VAL*     3.7    19.7    -      -       -      +
    134B  LYS      5.3     0.2    -      -       -      +
    253B  ALA      2.6    19.8    +      -       -      +
    254B  SER*     3.6    10.1    -      -       -      +
    255B  ILE      3.2     0.4    -      -       -      -
    256B  GLY*     1.3    71.8    -      -       -      +
    258B  TRP*     1.3    58.6    +      -       -      +
    259B  PHE      3.2     0.2    -      -       -      -
    260B  ARG*     3.0    41.9    +      -       -      +
    261B  ASP*     2.8    38.5    +      -       -      +
    310B  ARG*     2.3    59.6    +      -       -      +
    323B  LEU*     4.5     7.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP 258 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    101B  VAL*     4.2    17.0    -      -       +      -
    102B  GLY*     3.9    19.7    -      -       -      +
    103B  PRO*     3.4    35.9    -      -       +      -
    126B  ALA*     4.2    15.9    -      -       +      +
    129B  SER*     6.0     0.2    -      -       -      +
    254B  SER      3.2    11.3    +      -       -      +
    255B  ILE      3.7    11.7    -      -       -      +
    256B  GLY      3.3     0.4    -      -       -      -
    257B  GLU*     1.3    74.7    -      -       -      +
    259B  PHE*     1.3    97.7    +      +       +      +
    261B  ASP*     3.3     3.9    +      -       -      -
    262B  ASN*     2.6    58.4    +      -       +      +
    264B  LYS*     3.9    28.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 259 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    102B  GLY      4.7     3.6    -      -       -      -
    103B  PRO*     4.5    10.3    -      -       +      -
    106B  LEU*     3.5    33.9    -      -       +      -
    202B  TYR*     3.6    36.8    -      +       +      -
    204B  VAL*     5.0     3.1    -      -       +      -
    232B  ILE*     3.8    18.4    -      -       +      -
    255B  ILE      3.6    20.9    -      -       -      -
    256B  GLY*     3.3     9.8    +      -       -      +
    257B  GLU      3.2     0.2    -      -       -      -
    258B  TRP*     1.3   103.2    -      +       +      +
    260B  ARG*     1.3    63.4    +      -       -      +
    262B  ASN      3.1     8.5    +      -       -      -
    264B  LYS*     3.0    36.9    +      -       +      -
    265B  HIS      4.3     4.5    -      -       -      -
    266B  ALA*     3.8    23.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 260 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    133B  VAL*     5.3     5.9    -      -       -      +
    134B  LYS      5.3     0.6    +      -       -      -
    136B  PRO*     3.3    31.4    -      -       -      +
    256B  GLY      3.6     2.8    +      -       -      -
    257B  GLU*     3.0    42.6    +      -       -      +
    259B  PHE*     1.3    77.6    -      -       -      +
    261B  ASP*     1.3    83.8    +      -       -      +
    262B  ASN      3.3     1.0    +      -       -      -
    263B  GLY      3.8     1.4    +      -       -      -
    264B  LYS      3.7     8.9    +      -       -      -
    310B  ARG      2.7    31.0    +      -       -      -
    312B  ALA*     4.6     5.8    -      -       -      -
    314B  LEU*     3.6    28.0    -      -       +      +
    318B  GLU      4.7     0.9    -      -       -      +
    321B  GLY*     3.3    21.3    +      -       -      -
    322B  SER*     3.7    18.0    +      -       -      +
    323B  LEU*     3.7    29.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 261 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    257B  GLU*     2.8    26.6    +      -       -      +
    258B  TRP*     3.3     5.3    +      -       -      +
    259B  PHE      3.3     0.4    -      -       -      -
    260B  ARG*     1.3   104.9    +      -       -      +
    262B  ASN*     1.3    66.9    +      -       -      +
    263B  GLY      3.6     2.1    +      -       -      -
    314B  LEU*     4.1    10.4    -      -       -      +
    318B  GLU      4.8     6.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 262 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    258B  TRP*     2.6    74.1    +      -       +      +
    259B  PHE      3.1     2.7    +      -       -      +
    261B  ASP*     1.3    86.5    -      -       -      +
    263B  GLY*     1.3    62.0    +      -       -      +
    264B  LYS*     3.2    20.0    +      -       +      +
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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