Contacts of the helix formed by residues 315 - 347 (chain A) in PDB entry 1KZZ


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 GLY 315 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    313A  ASN*     2.5    17.9    +      -       -      +
    314A  THR*     1.3    76.1    -      -       -      +
    316A  LEU*     1.3    61.3    +      -       -      +
    317A  LEU      3.5     0.4    -      -       -      -
    318A  GLU*     3.2    24.0    -      -       -      +
    319A  SER*     3.5     8.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 316 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    313A  ASN*     2.9    32.1    +      -       +      +
    315A  GLY*     1.3    75.1    -      -       -      +
    317A  LEU*     1.3    67.6    +      -       +      +
    318A  GLU      2.9     1.3    -      -       -      -
    319A  SER*     2.8    20.7    +      -       -      +
    320A  GLN*     3.3    21.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 317 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    313A  ASN      3.0    45.0    +      -       -      +
    314A  THR*     5.4     2.2    -      -       -      -
    316A  LEU*     1.3    79.4    -      -       +      +
    318A  GLU*     1.3    65.0    +      -       +      +
    320A  GLN*     3.2    11.5    +      -       -      +
    321A  LEU*     2.9    29.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 318 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    314A  THR*     2.8    33.7    +      -       -      +
    315A  GLY*     3.2    15.9    -      -       -      +
    317A  LEU*     1.3    79.1    -      -       +      +
    319A  SER*     1.3    63.1    +      -       -      +
    321A  LEU*     3.4     8.1    +      -       -      +
    322A  SER*     3.2    20.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 319 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    315A  GLY      3.5     7.2    +      -       -      -
    316A  LEU*     2.8    17.9    +      -       -      -
    318A  GLU*     1.3    78.7    -      -       -      +
    320A  GLN*     1.3    63.2    +      -       -      +
    322A  SER*     3.0     8.3    +      -       -      -
    323A  ARG*     2.8    29.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 320 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    316A  LEU*     3.3    20.5    +      -       +      +
    317A  LEU*     3.2    12.7    +      -       -      +
    319A  SER*     1.3    82.0    -      -       -      +
    321A  LEU*     1.3    63.6    +      -       -      +
    323A  ARG*     3.1    47.5    +      -       -      +
    324A  HIS*     3.1    27.0    +      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 321 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    317A  LEU*     2.9    19.8    +      -       +      +
    318A  GLU*     3.8     7.6    -      -       -      +
    319A  SER      3.3     0.2    -      -       -      -
    320A  GLN*     1.3    76.9    -      -       -      +
    322A  SER*     1.3    57.0    +      -       -      +
    324A  HIS*     3.5     9.6    +      -       +      +
    325A  ASP*     3.2    24.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 322 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    318A  GLU      3.2     9.7    +      -       -      -
    319A  SER*     3.0    10.8    +      -       -      -
    321A  LEU*     1.3    76.7    -      -       -      +
    323A  ARG*     1.3    55.4    +      -       -      +
    324A  HIS      3.0     5.2    -      -       -      -
    325A  ASP*     3.8     6.3    +      -       -      +
    326A  GLN*     2.9    45.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 323 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    319A  SER      2.8    12.9    +      -       -      +
    320A  GLN*     3.2    31.9    +      -       -      +
    322A  SER*     1.3    77.5    -      -       -      +
    324A  HIS*     1.3    99.9    +      -       -      +
    326A  GLN*     4.0    10.1    +      -       -      +
    327A  MET*     3.4    49.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 324 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    320A  GLN*     3.4    20.3    +      -       +      -
    321A  LEU*     3.5    13.9    -      -       +      +
    322A  SER      3.0     0.2    -      -       -      -
    323A  ARG*     1.3   125.5    +      -       -      +
    325A  ASP*     1.3    55.2    +      -       -      +
    327A  MET*     3.2     5.2    +      -       -      +
    328A  LEU*     2.5    46.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 325 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    321A  LEU*     3.2    13.4    +      -       +      +
    322A  SER*     3.8     8.6    +      -       -      +
    324A  HIS*     1.3    73.9    -      -       -      +
    326A  GLN*     1.3    63.1    +      -       -      +
    328A  LEU*     2.8    14.0    +      -       -      +
    329A  SER*     2.5    49.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 326 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    322A  SER*     2.9    32.8    +      -       -      +
    323A  ARG*     4.0     8.7    -      -       -      +
    325A  ASP*     1.3    87.4    +      -       -      +
    327A  MET*     1.3    63.0    +      -       -      +
    329A  SER*     2.8    20.3    +      -       -      -
    330A  VAL*     3.1     9.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 327 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    323A  ARG*     3.4    44.8    +      -       +      +
    324A  HIS*     3.2     5.9    +      -       -      +
    326A  GLN*     1.3    78.9    -      -       -      +
    328A  LEU*     1.3    65.0    +      -       -      +
    330A  VAL*     3.0    27.7    +      -       +      +
    331A  HIS*     3.2    33.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 328 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    324A  HIS*     2.5    32.2    +      -       +      +
    325A  ASP*     3.1    14.6    -      -       -      +
    327A  MET*     1.3    72.2    -      -       -      +
    329A  SER*     1.3    66.1    +      -       -      +
    330A  VAL      2.8     1.4    +      -       -      -
    331A  HIS*     3.1    20.3    +      -       +      +
    332A  ASP*     3.2    14.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 329 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    325A  ASP*     2.5    32.2    +      -       -      -
    326A  GLN*     3.1    10.6    +      -       -      -
    328A  LEU*     1.3    73.1    -      -       -      +
    330A  VAL*     1.3    63.5    +      -       -      +
    332A  ASP*     3.2     8.8    -      -       -      +
    333A  ILE*     3.1    30.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 330 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    326A  GLN      3.7    11.9    -      -       -      +
    327A  MET*     3.0    18.1    +      -       +      +
    328A  LEU      2.8     0.8    +      -       -      -
    329A  SER*     1.3    76.1    -      -       -      +
    331A  HIS*     1.3    79.8    +      -       +      +
    333A  ILE*     2.5    27.6    +      -       +      +
    334A  ARG*     2.8    26.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 331 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    327A  MET*     3.2    36.3    +      -       +      +
    328A  LEU*     3.1    15.1    +      -       +      +
    330A  VAL*     1.3    82.9    -      -       +      +
    332A  ASP*     1.3    54.3    +      -       -      +
    334A  ARG*     2.5    38.1    +      -       -      +
    335A  LEU*     2.5    26.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 332 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    328A  LEU*     3.2    10.4    +      -       +      +
    329A  SER*     3.2    15.0    -      -       -      +
    331A  HIS*     1.3    76.4    -      -       -      +
    333A  ILE*     1.3    58.9    +      -       +      +
    335A  LEU*     3.8     9.7    -      -       -      +
    336A  ALA*     2.9    28.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 333 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    329A  SER*     3.1    21.1    -      -       -      +
    330A  VAL*     2.5    26.9    +      -       +      +
    332A  ASP*     1.3    70.9    -      -       +      +
    334A  ARG*     1.3    61.6    +      -       +      +
    336A  ALA*     2.8    24.6    -      -       +      +
    337A  ASP*     3.1    17.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 334 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    330A  VAL*     2.8    27.8    +      -       +      +
    331A  HIS*     2.5    21.8    +      -       -      +
    333A  ILE*     1.3    69.2    -      -       +      +
    335A  LEU*     1.3    66.4    +      -       -      +
    336A  ALA      2.5     5.7    +      -       -      -
    337A  ASP*     2.6    23.8    +      -       -      +
    338A  MET*     2.9    23.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 335 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    331A  HIS*     2.5    25.1    +      -       +      +
    332A  ASP*     3.8     9.4    -      -       -      +
    334A  ARG*     1.3    72.5    -      -       -      +
    336A  ALA*     1.3    60.3    +      -       -      +
    338A  MET*     3.6    18.1    +      -       +      +
    339A  ASP*     3.0    30.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 336 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    332A  ASP      2.9    16.1    +      -       -      +
    333A  ILE*     2.8    21.5    -      -       +      +
    334A  ARG      2.5     3.8    +      -       -      -
    335A  LEU*     1.3    70.5    -      -       -      +
    337A  ASP*     1.3    65.1    +      -       -      +
    339A  ASP*     2.8    25.9    +      -       -      +
    340A  LEU*     3.4     4.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 337 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    333A  ILE*     3.4    19.4    -      -       -      +
    334A  ARG*     2.6    17.1    +      -       -      +
    336A  ALA*     1.3    75.4    -      -       -      +
    338A  MET*     1.3    55.7    +      -       +      +
    340A  LEU*     2.6    36.8    +      -       +      +
    341A  ARG*     2.8    15.2    +      -       +      -
----------------------------------------------------------
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Residues in contact with MET 338 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    334A  ARG*     3.3    26.5    -      -       +      +
    335A  LEU*     3.7    19.5    -      -       +      +
    337A  ASP*     1.3    77.1    -      -       +      +
    339A  ASP*     1.3    63.9    +      -       -      +
    340A  LEU      2.9     1.4    +      -       -      -
    341A  ARG*     3.5    34.4    -      -       -      +
    342A  PHE*     3.2    39.3    +      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 339 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    335A  LEU*     3.0    18.7    +      -       -      +
    336A  ALA*     2.8    17.2    +      -       -      +
    338A  MET*     1.3    76.1    -      -       -      +
    340A  LEU*     1.3    57.7    +      -       -      +
    342A  PHE*     4.1    13.4    -      -       -      +
    343A  GLN*     4.3     5.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 340 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    336A  ALA      4.3     2.7    -      -       -      +
    337A  ASP*     2.6    23.2    +      -       +      +
    339A  ASP*     1.3    72.5    -      -       -      +
    341A  ARG*     1.3    70.4    +      -       -      +
    342A  PHE      2.9     2.2    -      -       -      -
    343A  GLN*     2.7    62.5    +      -       +      +
    344A  VAL*     3.4    13.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 341 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    337A  ASP*     2.8    15.5    +      -       -      +
    338A  MET*     3.5    37.0    -      -       -      +
    340A  LEU*     1.3    74.7    -      -       -      +
    342A  PHE*     1.3    66.2    +      -       +      +
    344A  VAL*     3.2    14.9    +      -       -      +
    345A  LEU*     3.0    25.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 342 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    338A  MET*     3.2    34.1    +      -       +      +
    339A  ASP*     4.1    10.5    -      -       -      +
    340A  LEU      2.7     3.4    +      -       -      -
    341A  ARG*     1.3    75.5    -      -       +      +
    343A  GLN*     1.3    68.0    +      -       -      +
    344A  VAL      2.7     2.4    +      -       -      -
    345A  LEU*     2.9    23.6    +      -       +      +
    346A  GLU*     2.9    33.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 343 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    339A  ASP      4.3     4.8    +      -       -      +
    340A  LEU*     2.7    46.4    +      -       -      +
    342A  PHE*     1.3    75.0    -      -       -      +
    344A  VAL*     1.3    53.2    +      -       -      +
    346A  GLU*     3.3    17.0    +      -       -      +
    347A  THR*     2.4    43.1    +      -       +      +
    359A  ARG*     5.4     7.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 344 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    340A  LEU*     4.2    17.3    -      -       +      +
    341A  ARG*     3.3    17.7    -      -       +      +
    342A  PHE      2.7     4.6    +      -       -      -
    343A  GLN*     1.3    73.7    -      -       +      +
    345A  LEU*     1.3    74.7    +      -       +      +
    347A  THR*     2.8    16.6    +      -       -      -
    348A  ALA*     2.8    14.0    +      -       +      +
    379A  GLN*     4.6     9.1    -      -       +      +
    380A  PRO*     4.3    33.9    -      -       +      +
    382A  TYR*     5.3     5.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 345 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    341A  ARG*     3.0    38.4    -      -       +      +
    342A  PHE*     2.9    12.4    +      -       +      +
    344A  VAL*     1.3    81.7    -      -       +      +
    346A  GLU*     1.3    56.4    +      -       -      +
    347A  THR      2.3    16.1    +      -       -      -
    348A  ALA*     2.4    30.5    +      -       -      +
    350A  TYR*     5.2     9.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 346 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    342A  PHE*     2.9    33.0    +      -       +      +
    343A  GLN*     3.3    20.3    +      -       -      +
    345A  LEU*     1.3    77.8    -      -       -      +
    347A  THR*     1.3    63.9    +      -       +      +
    348A  ALA      5.1     1.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 347 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    343A  GLN*     2.4    31.2    +      -       +      +
    344A  VAL*     2.8     9.0    +      -       -      -
    345A  LEU      2.3    10.7    +      -       -      -
    346A  GLU*     1.3    81.4    -      -       +      +
    348A  ALA*     1.3    59.3    +      -       -      -
    349A  SER*     4.1     1.4    +      -       -      -
    359A  ARG*     6.0     4.5    -      -       -      +
    379A  GLN*     2.6    44.7    +      -       -      +
----------------------------------------------------------
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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