Contacts of the helix formed by residues 252 - 281 (chain B) in PDB entry 4LML


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

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

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with THR 252 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    115B  PHE*     3.3    34.8    -      -       +      +
    116B  ARG*     4.1     4.0    -      -       -      +
    245B  LEU*     5.0    10.8    -      -       +      -
    248B  ALA*     4.5    16.6    -      -       +      -
    250B  TYR*     3.8     3.6    +      -       +      -
    251B  MET*     1.3    80.0    -      -       -      +
    253B  TYR*     1.3    60.9    +      -       -      +
    254B  THR*     4.2     7.2    -      -       -      +
    255B  GLY*     3.1    25.9    +      -       -      -
    256B  ALA*     2.9    28.1    +      -       -      +
    313B  PHE*     3.7     1.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 253 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    115B  PHE      4.7     0.2    +      -       -      -
    116B  ARG      3.2    22.1    +      -       -      +
    117B  ARG*     4.7     3.1    -      -       -      -
    118B  TYR      3.9    16.4    -      -       -      +
    120B  PHE*     4.2    19.5    -      +       -      -
    201B  ILE*     6.0     2.9    -      -       +      -
    252B  THR*     1.3    69.7    -      -       -      +
    254B  THR*     1.3    71.6    +      -       +      +
    256B  ALA*     3.0     4.7    +      -       -      +
    257B  ILE*     3.0    56.1    +      -       +      +
    306B  ASN*     4.4    13.4    +      -       -      -
    309B  LEU*     4.4     1.6    -      -       +      -
    310B  ALA*     3.8    35.7    -      -       -      +
    313B  PHE*     3.6    33.1    -      +       +      -
    314B  PHE*     4.2    18.6    -      +       -      -
----------------------------------------------------------
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Residues in contact with THR 254 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    118B  TYR*     3.3    42.6    +      -       +      +
    119B  PRO*     4.1    13.5    -      -       +      -
    200B  ILE*     6.4     1.6    -      -       +      -
    201B  ILE*     4.7    16.8    -      -       +      -
    241B  VAL*     5.2     8.1    -      -       +      +
    245B  LEU*     5.3     0.5    -      -       -      +
    252B  THR*     4.2     7.1    -      -       -      -
    253B  TYR*     1.3    85.1    -      -       +      +
    255B  GLY*     1.3    57.2    +      -       -      +
    257B  ILE*     3.8     8.3    -      -       +      +
    258B  ILE*     2.9    44.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLY 255 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    251B  MET*     4.4     9.1    -      -       -      +
    252B  THR*     3.1    24.4    +      -       -      -
    254B  THR*     1.3    74.7    +      -       -      +
    256B  ALA*     1.3    65.8    +      -       -      +
    258B  ILE*     3.7    11.1    -      -       -      +
    259B  PHE*     3.4    19.6    +      -       -      +
    198C  PRO*     4.6     6.1    -      -       -      +
    199C  ASN*     5.8     2.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 256 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    251B  MET*     4.3    15.9    -      -       +      -
    252B  THR      2.9    15.3    +      -       -      +
    253B  TYR      3.0    10.3    +      -       -      +
    255B  GLY*     1.3    75.2    -      -       -      +
    257B  ILE*     1.3    68.3    +      -       -      +
    259B  PHE*     2.9    17.2    +      -       -      +
    260B  MET*     3.0    11.3    +      -       -      +
    309B  LEU*     3.6    23.1    -      -       +      -
    313B  PHE*     4.2    11.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 257 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201B  ILE*     5.0    13.9    -      -       +      -
    204B  MET*     4.2    20.0    -      -       +      -
    205B  LEU*     6.0     2.7    -      -       +      -
    253B  TYR*     3.0    44.5    +      -       +      +
    254B  THR*     3.8    12.8    -      -       +      +
    256B  ALA*     1.3    74.0    -      -       -      +
    258B  ILE*     1.3    62.0    +      -       +      +
    260B  MET*     3.5    12.4    -      -       +      +
    261B  ILE*     2.9    42.9    +      -       +      +
    302B  PHE*     5.9     2.2    -      -       +      -
    306B  ASN*     4.4    21.8    -      -       -      +
    309B  LEU*     3.6    22.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 258 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    200B  ILE*     5.7     1.8    -      -       +      -
    204B  MET*     3.4    37.5    -      -       +      -
    234B  HIS*     3.0    27.7    +      -       +      +
    238B  ASN*     3.6    33.2    -      -       -      +
    241B  VAL*     5.3    17.0    -      -       +      -
    254B  THR*     2.9    31.2    +      -       +      +
    255B  GLY*     3.7    15.5    -      -       -      +
    257B  ILE*     1.3    79.5    -      -       +      +
    259B  PHE*     1.3    64.1    +      -       +      +
    261B  ILE*     3.4     0.8    +      -       -      -
    262B  TYR*     3.0    25.4    +      -       +      -
    198C  PRO*     5.0     2.9    -      -       +      +
    199C  ASN*     5.0     5.4    -      -       -      +
----------------------------------------------------------
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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
----------------------------------------------------------
    251B  MET*     5.5     8.7    -      -       +      -
    255B  GLY      3.4    16.6    +      -       -      +
    256B  ALA*     2.9     4.6    +      -       -      +
    258B  ILE*     1.3    79.3    -      -       +      +
    260B  MET*     1.3    62.0    +      -       -      +
    262B  TYR*     3.1    15.5    -      +       +      +
    263B  LEU*     2.9    45.6    +      -       +      +
    197C  ILE*     5.4     3.6    -      -       +      -
    198C  PRO*     4.0    33.0    -      -       +      +
    202C  LEU*     3.7    35.4    -      -       +      -
    203C  PRO*     4.9     1.3    -      -       +      -
    206C  PHE*     3.7    21.5    -      +       -      -
----------------------------------------------------------
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Residues in contact with MET 260 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    256B  ALA      3.0    10.4    +      -       -      +
    257B  ILE*     3.5    14.4    -      -       +      +
    259B  PHE*     1.3    77.6    -      -       -      +
    261B  ILE*     1.3    61.7    +      -       -      +
    263B  LEU*     2.9    25.3    +      -       +      +
    264B  PHE*     2.9    26.5    +      -       +      -
    302B  PHE*     3.9    26.2    -      -       +      -
    305B  ALA*     3.5    38.6    -      -       +      +
    306B  ASN*     3.8    15.9    -      -       -      +
    309B  LEU*     3.6    28.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 261 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204B  MET*     3.6    35.9    -      -       +      +
    205B  LEU*     5.1     2.9    -      -       +      -
    208B  LEU*     3.6    17.9    -      -       +      -
    234B  HIS*     3.3    27.4    -      -       +      +
    257B  ILE*     2.9    32.3    +      -       +      +
    259B  PHE      3.3     0.2    -      -       -      -
    260B  MET*     1.3    74.3    -      -       -      +
    262B  TYR*     1.3    63.2    +      -       -      +
    264B  PHE*     3.1    10.3    +      -       -      +
    265B  TYR*     3.0    48.4    +      -       +      -
    302B  PHE*     3.8    29.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 262 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    231B  LEU*     3.9    17.9    -      -       +      -
    234B  HIS*     3.4    20.4    +      +       -      -
    235B  ILE*     3.0    46.8    -      -       +      +
    238B  ASN*     3.7    25.4    -      -       -      +
    258B  ILE*     3.0    27.1    +      -       +      -
    259B  PHE*     3.1    18.2    -      +       +      +
    261B  ILE*     1.3    76.1    -      -       -      +
    263B  LEU*     1.3    61.1    +      -       -      +
    265B  TYR*     3.1     9.0    +      -       -      +
    266B  PHE*     3.0    21.1    +      -       -      +
    198C  PRO      4.8     1.8    -      -       -      -
    203C  PRO*     3.7    41.2    -      -       +      +
    206C  PHE*     4.2    22.1    -      +       +      -
    207C  ILE*     5.1     1.8    -      -       +      -
    237C  PHE*     4.0     1.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 263 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    259B  PHE*     2.9    33.6    +      -       +      +
    260B  MET*     2.9    17.7    +      -       +      +
    262B  TYR*     1.3    75.0    -      -       -      +
    264B  PHE*     1.3    65.0    +      -       +      +
    266B  PHE*     3.0    10.7    +      -       +      +
    267B  VAL*     2.9    36.7    +      -       +      +
    206C  PHE*     3.4    33.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 264 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208B  LEU*     4.5     6.3    -      -       +      -
    211B  SER*     5.9     0.7    -      -       -      -
    212B  TRP*     3.7    29.7    -      +       +      -
    260B  MET*     2.9    31.1    +      -       +      +
    261B  ILE*     3.1    10.5    +      -       -      +
    263B  LEU*     1.3    79.7    -      -       +      +
    265B  TYR*     1.3    59.8    +      -       -      +
    267B  VAL*     3.7    13.8    -      -       +      +
    268B  ALA*     3.0    30.7    +      -       -      +
    298B  PHE*     4.1    10.7    -      +       +      -
    301B  VAL*     3.4    33.9    -      -       +      -
    302B  PHE*     3.4    48.0    -      +       +      -
    305B  ALA*     4.6     1.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 265 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207B  ILE*     3.1    42.6    +      -       -      +
    208B  LEU*     3.6    10.2    -      -       +      -
    211B  SER*     3.7    16.2    -      -       -      -
    227B  VAL*     3.6    13.5    -      -       +      +
    230B  THR*     3.1    27.3    +      -       -      -
    231B  LEU*     3.1    45.1    -      -       +      -
    234B  HIS*     3.9     9.6    -      +       +      -
    261B  ILE*     3.0    50.5    +      -       +      -
    262B  TYR*     3.1     7.8    +      -       -      +
    264B  PHE*     1.3    76.7    -      -       -      +
    266B  PHE*     1.3    57.4    +      -       -      +
    268B  ALA*     3.5     5.3    -      -       -      +
    269B  VAL*     3.0    35.9    +      -       +      +
    210C  ILE*     4.5     1.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 266 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    262B  TYR      3.0    12.4    +      -       -      +
    263B  LEU*     3.2    14.4    -      -       +      +
    265B  TYR*     1.3    76.0    -      -       -      +
    267B  VAL*     1.3    70.4    +      -       +      +
    269B  VAL*     3.1     7.7    +      -       +      +
    270B  ILE*     3.0    44.8    +      -       +      +
    206C  PHE*     4.0    34.1    -      +       +      -
    209C  PHE*     3.9    31.6    -      +       +      -
    210C  ILE*     3.5    36.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 267 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    263B  LEU*     2.9    29.2    +      -       +      +
    264B  PHE*     3.7    19.7    -      -       +      +
    266B  PHE*     1.3    81.3    -      -       +      +
    268B  ALA*     1.3    67.0    +      -       -      +
    270B  ILE*     3.7    10.9    -      -       +      +
    271B  GLU*     3.0    22.7    +      -       -      +
    298B  PHE*     3.9    19.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 268 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211B  SER*     4.9     7.2    -      -       -      +
    212B  TRP*     5.7     3.4    -      -       +      -
    215B  PHE*     4.7     8.7    -      -       +      -
    227B  VAL*     4.2    16.2    -      -       +      -
    264B  PHE      3.0    21.9    +      -       -      +
    265B  TYR*     3.5     6.1    -      -       -      +
    267B  VAL*     1.3    78.3    -      -       -      +
    269B  VAL*     1.3    63.0    +      -       -      +
    271B  GLU*     3.1     6.6    +      -       -      +
    272B  VAL*     3.0    27.4    +      -       -      +
    298B  PHE*     3.5    22.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 269 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    227B  VAL*     3.6    20.0    -      -       +      -
    228B  VAL*     5.4     5.6    -      -       +      -
    231B  LEU*     5.9     2.0    -      -       +      -
    265B  TYR*     3.0    18.1    +      -       +      +
    266B  PHE*     3.2     9.4    -      -       +      +
    268B  ALA*     1.3    76.1    -      -       -      +
    270B  ILE*     1.3    67.8    +      -       +      +
    272B  VAL*     3.1    12.9    -      -       +      +
    273B  THR*     3.0    22.6    +      -       -      +
    210C  ILE*     3.6    46.9    -      -       +      -
    213C  THR*     4.3    20.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 270 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    266B  PHE*     3.0    36.8    +      -       +      +
    267B  VAL*     3.7    12.6    -      -       +      +
    268B  ALA      3.3     0.2    -      -       -      -
    269B  VAL*     1.3    79.4    -      -       +      +
    271B  GLU*     1.3    66.1    +      -       -      +
    273B  THR*     3.3     7.0    +      -       +      +
    274B  VAL*     2.9    33.1    +      -       +      +
    213C  THR*     4.5    14.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 271 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    215B  PHE*     3.8    11.2    -      -       -      -
    267B  VAL      3.0    14.7    +      -       -      +
    268B  ALA*     3.1    11.4    +      -       -      +
    270B  ILE*     1.3    79.3    -      -       -      +
    272B  VAL*     1.3    97.6    +      -       -      +
    274B  VAL*     3.1     9.1    +      -       -      +
    275B  GLN*     2.9    22.5    +      -       -      +
    290B  ILE*     4.3    15.7    -      -       +      +
    291B  THR*     3.2    33.5    +      -       -      +
    294B  SER*     2.8    30.9    +      -       -      +
    298B  PHE*     4.6     7.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 272 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    214B  ALA*     5.3     1.6    -      -       +      -
    215B  PHE*     4.7    13.0    -      -       +      -
    220B  TYR*     3.8    15.8    -      -       +      -
    223B  ASN*     3.7    44.2    -      -       +      +
    224B  VAL*     5.9     2.9    -      -       +      -
    227B  VAL*     4.7    13.7    -      -       +      -
    268B  ALA      3.0    12.2    +      -       -      +
    269B  VAL*     3.1    24.0    -      -       +      +
    271B  GLU*     1.3    90.4    +      -       -      +
    273B  THR*     1.3    62.8    +      -       -      +
    275B  GLN*     3.1    10.2    +      -       -      +
    276B  HIS      3.0    18.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with THR 273 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    220B  TYR*     3.3    24.0    +      -       -      +
    269B  VAL*     3.0    18.0    +      -       -      +
    270B  ILE*     3.5     9.2    -      -       +      +
    272B  VAL*     1.3    78.8    -      -       -      +
    274B  VAL*     1.3    66.1    +      -       +      +
    276B  HIS*     3.1     5.0    +      -       -      +
    277B  TYR*     3.0    21.5    +      -       -      +
    213C  THR*     2.9    35.1    +      -       -      +
    216C  TRP*     3.9    31.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 274 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    270B  ILE*     2.9    26.0    +      -       +      +
    271B  GLU*     3.5     7.2    -      -       -      +
    273B  THR*     1.3    79.1    -      -       +      +
    275B  GLN*     1.3    60.9    +      -       -      +
    277B  TYR*     3.9     4.6    -      -       -      +
    278B  LEU*     2.9    38.1    +      -       +      +
    290B  ILE*     3.9    33.2    -      -       +      -
    216C  TRP*     6.4     2.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 275 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    217B  SER      4.1     7.2    +      -       -      +
    218B  THR*     3.9    24.5    +      -       -      +
    219B  SER      5.4     1.0    -      -       -      -
    220B  TYR*     5.5     3.6    -      -       -      +
    223B  ASN*     3.8    23.5    +      -       -      +
    271B  GLU*     2.9    15.3    +      -       -      +
    272B  VAL*     3.1    14.9    +      -       -      +
    274B  VAL*     1.3    81.5    -      -       -      +
    276B  HIS*     1.3    57.7    +      -       -      +
    278B  LEU*     3.6     8.0    -      -       -      +
    279B  LYS*     2.9    34.5    +      -       +      +
    287B  ALA*     4.1    17.6    -      -       +      +
    290B  ILE*     6.0     3.4    -      -       +      -
    291B  THR*     2.4    39.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 276 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    220B  TYR*     3.5    45.5    -      +       +      +
    272B  VAL      3.0     7.3    +      -       -      -
    273B  THR      3.1     6.7    +      -       -      +
    275B  GLN*     1.3    78.8    -      -       -      +
    277B  TYR*     1.3    64.7    +      -       -      +
    279B  LYS*     3.0    18.9    +      -       -      +
    280B  VAL*     2.9    50.5    +      -       +      +
    216C  TRP      4.0     4.0    -      -       -      -
    217C  SER*     3.4    40.2    +      -       -      -
    218C  THR*     4.2     5.5    +      -       -      -
    219C  SER*     4.7     7.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 277 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    273B  THR      3.0    12.9    +      -       -      +
    274B  VAL*     4.1     4.7    -      -       -      +
    276B  HIS*     1.3    78.5    -      -       -      +
    278B  LEU*     1.3    69.0    +      -       +      +
    280B  VAL*     3.4    12.3    -      -       +      +
    281B  GLU*     3.0    61.4    +      -       +      +
    216C  TRP*     3.6    44.8    +      +       +      +
    295C  ARG*     3.9    31.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 278 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    274B  VAL*     2.9    22.7    +      -       +      +
    275B  GLN*     3.6     6.1    -      -       -      +
    277B  TYR*     1.3    84.2    -      -       +      +
    279B  LYS*     1.3    57.3    +      -       -      +
    281B  GLU*     3.3    20.8    +      -       +      +
    283B  GLN*     3.4    37.3    +      -       +      +
    286B  ARG*     3.4    41.1    -      -       +      +
    287B  ALA*     3.6    16.4    -      -       +      +
    290B  ILE*     3.6    21.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 279 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    218B  THR*     3.7    42.1    +      -       +      -
    220B  TYR*     5.9     1.3    -      -       -      +
    275B  GLN*     2.9    25.2    +      -       +      +
    276B  HIS*     3.0    19.8    +      -       -      +
    278B  LEU*     1.3    74.2    -      -       -      +
    280B  VAL*     1.3    63.9    +      -       -      +
    281B  GLU      3.2     4.7    -      -       -      -
    282B  SER*     3.4    15.2    +      -       -      +
    283B  GLN      4.5     3.1    +      -       -      +
    284B  PRO*     5.1    13.4    -      -       +      +
    287B  ALA*     4.3    18.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 280 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    276B  HIS*     2.9    46.7    +      -       +      +
    277B  TYR*     3.4    28.7    -      -       +      +
    279B  LYS*     1.3    81.5    -      -       -      +
    281B  GLU*     1.3    63.7    +      -       -      +
    282B  SER*     3.0    10.5    +      -       -      -
    216C  TRP      5.4     0.7    -      -       -      +
    218C  THR*     5.5     7.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 281 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    277B  TYR*     3.0    57.3    +      -       +      +
    278B  LEU*     3.4    14.4    -      -       +      +
    279B  LYS      3.2     0.6    -      -       -      -
    280B  VAL*     1.3    82.3    -      -       -      +
    282B  SER*     1.3    70.4    +      -       -      +
    283B  GLN*     3.4    10.9    +      -       +      +
----------------------------------------------------------
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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