Contacts of the helix formed by residues 64 - 84 (chain R) in PDB entry 1KYO


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 PRO 64 (chain R).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     62R  ARG      3.3     8.2    -      -       -      +
     63R  LEU*     1.3    87.8    -      -       +      +
     65R  GLU*     1.3    65.2    +      -       -      +
     66R  ASP*     3.4    11.9    -      -       -      +
     67R  GLU*     3.0    32.7    +      -       +      +
     68R  SER      3.1     8.3    +      -       -      -
    106R  TYR*     3.1    27.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 65 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63R  LEU      3.6     1.4    +      -       -      -
     64R  PRO*     1.3    71.0    -      -       -      +
     66R  ASP*     1.3    70.9    +      -       -      +
     68R  SER*     2.9     8.1    +      -       -      -
     69R  TYR*     2.9    61.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 66 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    302O  PHE*     5.4     0.9    -      -       -      -
    305O  PRO      5.6     2.2    -      -       -      +
     64R  PRO*     4.2    15.2    -      -       -      +
     65R  GLU*     1.3    78.6    -      -       -      +
     67R  GLU*     1.3    67.5    +      -       +      +
     69R  TYR*     3.6     7.1    +      -       -      +
     70R  ALA*     3.2    23.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 67 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44R  LYS*     5.2     6.6    +      -       -      -
     63R  LEU*     3.8    21.2    -      -       +      +
     64R  PRO*     3.0    24.9    +      -       +      +
     66R  ASP*     1.3    86.0    -      -       +      +
     68R  SER*     1.3    58.2    +      -       -      +
     70R  ALA*     3.6     5.2    +      -       -      +
     71R  ARG*     2.9    29.5    +      -       -      +
     74R  ARG*     4.7     6.8    +      -       -      -
    102R  TYR*     3.9    32.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 68 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60R  LEU*     4.7     8.3    +      -       -      +
     63R  LEU*     4.1    22.9    +      -       -      +
     64R  PRO      3.1    10.0    +      -       -      -
     65R  GLU*     2.9    12.8    +      -       -      -
     67R  GLU*     1.3    75.0    -      -       -      +
     69R  TYR*     1.3    61.7    +      -       -      -
     71R  ARG*     3.1     9.7    +      -       -      +
     72R  ALA*     2.8    29.8    +      -       -      +
     19S  PRO*     4.1    19.2    -      -       -      +
     20S  LYS      5.4     3.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 69 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    254L  THR*     3.5    23.0    -      -       +      +
    302O  PHE*     3.7    16.5    -      -       +      -
    305O  PRO*     4.1    19.7    -      -       +      -
     65R  GLU*     2.9    68.1    +      -       +      +
     66R  ASP*     4.1     6.1    -      -       -      +
     68R  SER*     1.3    73.4    -      -       -      +
     70R  ALA*     1.3    58.2    +      -       -      +
     72R  ALA*     3.2     9.5    -      -       -      +
     73R  TYR*     3.0    22.5    +      -       -      +
     20S  LYS*     3.5    27.9    -      -       +      +
     21S  GLN      4.2     0.7    -      -       -      -
     22S  LYS*     3.2    50.7    -      -       +      +
     24S  ILE*     4.3     2.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 70 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    302O  PHE*     3.7    23.3    -      -       +      -
     66R  ASP      3.2    16.9    +      -       -      +
     67R  GLU*     3.7     7.0    -      -       -      +
     68R  SER      3.2     0.4    -      -       -      -
     69R  TYR*     1.3    75.4    -      -       -      +
     71R  ARG*     1.3    54.6    +      -       -      +
     73R  TYR*     2.8     5.9    +      -       -      +
     74R  ARG*     2.7    52.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 71 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213N  THR*     4.7     3.4    -      -       -      +
    216N  LEU*     5.2     0.6    -      -       -      +
     46R  ASP      5.3     0.4    +      -       -      -
     47R  ASP*     3.6    20.7    +      -       -      +
     49R  ILE      5.3     1.0    +      -       -      -
     51R  GLU*     3.0    29.1    +      -       -      +
     56R  MET*     4.7     7.5    -      -       -      +
     60R  LEU*     3.2    39.8    -      -       -      +
     63R  LEU*     4.5     5.4    -      -       +      +
     67R  GLU      2.9    19.1    +      -       -      +
     68R  SER*     3.4     9.7    +      -       -      +
     70R  ALA*     1.3    75.2    -      -       -      +
     72R  ALA*     1.3    64.4    +      -       -      +
     74R  ARG*     3.2    17.2    +      -       -      +
     75R  ILE*     2.9    52.7    +      -       +      +
    102R  TYR*     3.3    27.9    +      -       +      +
    103R  LEU*     5.0     1.6    -      -       -      +
     19S  PRO*     4.9    20.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 72 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216N  LEU*     3.4    23.9    -      -       +      +
     68R  SER      2.8    13.0    +      -       -      +
     69R  TYR*     3.2    15.3    -      -       -      +
     70R  ALA      3.1     0.2    -      -       -      -
     71R  ARG*     1.3    79.0    -      -       -      +
     73R  TYR*     1.3    62.3    +      -       -      +
     76R  ILE*     3.0    31.0    +      -       -      +
     19S  PRO*     4.4    13.0    -      -       +      -
     20S  LYS      5.1     2.9    -      -       -      +
     21S  GLN*     4.5    10.3    -      -       +      -
     22S  LYS      6.0     0.2    -      -       -      +
     24S  ILE*     4.3     9.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 73 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    300O  PHE*     3.9    26.5    +      -       +      -
    301O  VAL*     4.1     4.5    -      -       -      -
    302O  PHE*     3.4    58.4    +      +       +      -
     69R  TYR      3.0    11.5    +      -       -      +
     70R  ALA      2.8     9.4    +      -       -      +
     72R  ALA*     1.3    72.6    -      -       -      +
     74R  ARG*     1.3    73.9    +      -       +      +
     75R  ILE      3.1     0.3    +      -       -      -
     76R  ILE*     3.1     2.5    +      -       +      -
     77R  ARG*     2.8    73.9    +      -       +      +
     92R  GLU*     5.3     2.1    +      -       -      -
     24S  ILE*     3.5    27.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 74 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42R  GLY      3.4    24.2    -      -       -      +
     43R  LEU*     3.2    12.6    -      -       +      +
     44R  LYS*     3.6    32.7    -      -       -      +
     47R  ASP*     2.7    43.2    +      -       -      +
     67R  GLU*     4.7     6.1    +      -       -      -
     70R  ALA*     2.7    34.4    +      -       -      +
     71R  ARG*     3.2    22.9    +      -       -      +
     73R  TYR*     1.3    77.5    -      -       +      +
     75R  ILE*     1.3    55.2    +      -       -      +
     77R  ARG*     3.4    16.2    -      -       -      +
     78R  ALA*     2.9    23.4    +      -       -      -
     94R  ILE*     4.3     9.2    -      -       +      -
    102R  TYR*     3.7    20.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 75 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212N  ILE*     3.9    19.3    -      -       +      -
    213N  THR*     4.1    14.4    -      -       +      +
    216N  LEU*     4.1    18.6    -      -       +      -
     43R  LEU*     4.1     5.4    -      -       +      -
     47R  ASP*     4.6    17.9    -      -       +      +
     71R  ARG*     2.9    60.8    +      -       +      +
     72R  ALA      3.8     2.9    -      -       -      +
     74R  ARG*     1.3    74.4    -      -       +      +
     76R  ILE*     1.3    69.2    +      -       -      +
     78R  ALA*     3.1     3.6    +      -       -      +
     79R  HIS*     3.1    46.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 76 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216N  LEU*     3.5    39.3    -      -       +      +
    217N  ASP*     4.4    10.4    -      -       +      +
    300O  PHE*     3.6    44.4    -      -       +      -
     72R  ALA      3.0    24.1    +      -       -      +
     73R  TYR*     3.7     3.8    -      -       +      +
     75R  ILE*     1.3    76.2    -      -       -      +
     77R  ARG*     1.3    64.1    +      -       -      +
     79R  HIS*     3.2     7.6    +      -       -      +
     80R  GLN*     3.1    20.8    +      -       -      +
     21S  GLN*     3.7    23.3    -      -       -      +
     24S  ILE*     3.7    20.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 77 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    300O  PHE*     5.4     6.7    -      -       +      +
     41R  LEU      4.7     1.6    -      -       -      -
     42R  GLY*     2.9    35.8    +      -       -      -
     73R  TYR*     2.8    64.4    +      -       +      +
     74R  ARG*     3.4    17.3    -      -       -      +
     76R  ILE*     1.3    77.9    -      -       -      +
     78R  ALA*     1.3    52.7    +      -       -      +
     80R  GLN*     3.3     8.6    +      -       -      +
     81R  THR*     2.5    39.1    +      -       -      +
     88R  LEU*     3.4    34.5    -      -       +      +
     92R  GLU*     4.3    22.0    +      -       -      +
     94R  ILE*     5.2     5.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 78 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    210N  LEU*     3.7    18.6    -      -       +      +
    212N  ILE*     5.2     0.4    -      -       +      -
     41R  LEU*     3.9    17.5    +      -       +      +
     43R  LEU*     3.5    36.6    -      -       +      -
     74R  ARG      2.9     5.6    +      -       -      +
     75R  ILE*     3.1     7.1    +      -       -      +
     77R  ARG*     1.3    73.2    -      -       -      +
     79R  HIS*     1.3    55.2    +      -       -      +
     81R  THR*     3.2     6.7    +      -       -      -
     82R  GLU*     2.7    36.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 79 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     23N  PRO*     5.5     3.1    -      -       +      -
     24N  SER*     3.9    16.8    -      -       -      +
     25N  SER*     2.7    32.8    -      -       -      -
    208N  ASN*     3.6    24.0    +      -       +      -
    210N  LEU*     3.8    12.9    -      -       +      +
    212N  ILE*     4.0    10.3    -      -       +      +
    213N  THR      3.3    25.4    -      -       -      -
    214N  GLY*     4.3     6.3    -      -       -      -
    216N  LEU*     6.1     1.0    -      -       +      +
    217N  ASP*     4.6    11.0    +      -       +      +
     75R  ILE*     3.1    34.2    +      -       +      +
     76R  ILE*     3.7     8.7    -      -       -      +
     78R  ALA*     1.3    75.7    -      -       -      +
     80R  GLN*     1.3    54.6    +      -       -      +
     82R  GLU*     3.1     2.0    +      -       -      +
     83R  LEU*     2.8    39.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 80 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24N  SER*     5.0     0.2    +      -       -      -
    295O  ILE      3.2    21.1    +      -       -      +
    296O  LYS      3.8     4.4    +      -       -      -
    298O  ARG*     2.6    60.4    +      -       -      +
    299O  LYS*     5.8     0.2    -      -       -      -
    300O  PHE*     3.7    21.5    -      -       +      -
     76R  ILE      3.1    12.2    +      -       -      +
     77R  ARG*     3.3     9.8    +      -       -      +
     79R  HIS*     1.3    76.7    -      -       -      +
     81R  THR*     1.3    60.0    +      -       -      +
     83R  LEU*     3.5    10.4    -      -       -      +
     84R  THR*     2.9    47.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with THR 81 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41R  LEU*     4.3     9.8    +      -       +      -
     77R  ARG*     2.5    27.7    +      -       -      +
     78R  ALA*     3.6     5.3    -      -       -      -
     80R  GLN*     1.3    76.5    -      -       -      +
     82R  GLU*     1.3    64.9    +      -       -      +
     84R  THR*     2.7    25.5    +      -       -      +
     85R  HIS      3.2     6.1    +      -       -      -
     86R  HIS*     3.5    26.5    -      -       +      +
     87R  LEU*     3.8    22.4    -      -       -      +
     88R  LEU*     3.8    27.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 82 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25N  SER*     4.2     6.6    -      -       -      +
     27N  ASN*     5.8     1.9    +      -       -      +
    209N  PRO*     4.1    26.7    -      -       +      +
    210N  LEU*     3.7    30.6    -      -       +      +
    317N  THR*     5.3     6.2    -      -       -      +
     41R  LEU*     3.9    16.9    -      -       +      +
     78R  ALA      2.7    21.1    +      -       -      +
     79R  HIS*     3.5     6.3    -      -       -      +
     81R  THR*     1.3    73.1    -      -       -      +
     83R  LEU*     1.3    61.0    +      -       -      +
     85R  HIS*     3.1    32.2    +      -       -      +
     86R  HIS      4.9     3.4    -      -       -      -
     51S  ARG*     4.2    13.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 83 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24N  SER*     3.5    48.9    -      -       -      +
     25N  SER*     3.9    10.1    -      -       -      +
    292O  TRP*     4.7     4.9    -      -       +      -
    295O  ILE*     3.9    18.8    -      -       +      -
    296O  LYS*     3.1    54.5    +      -       +      -
     79R  HIS      2.8    15.8    +      -       -      +
     80R  GLN*     3.5    23.1    -      -       -      +
     82R  GLU*     1.3    74.5    -      -       -      +
     84R  THR*     1.3    69.4    +      -       +      +
     85R  HIS*     3.3     8.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with THR 84 (chain R). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    296O  LYS*     3.5    32.5    +      -       -      +
     80R  GLN*     2.9    32.5    -      -       +      +
     81R  THR*     2.7    22.3    +      -       -      +
     83R  LEU*     1.3    82.3    -      -       +      +
     85R  HIS*     1.3    66.2    +      -       -      +
     86R  HIS*     3.0    38.7    +      -       -      +
     47S  ASN*     5.1     0.5    +      -       -      -
----------------------------------------------------------
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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