Contacts of the helix formed by residues 525 - 555 (chain A) in PDB entry 4PO2


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 TYR 525 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    447A  ARG*     3.7    37.2    -      -       -      +
    521A  GLU*     3.2    47.4    +      -       +      +
    522A  ALA      3.4     4.0    +      -       -      +
    523A  GLU      3.2     0.4    -      -       -      -
    524A  LYS*     1.3   109.2    +      -       +      +
    526A  LYS*     1.3    63.7    +      -       -      +
    528A  GLU*     3.2    25.7    -      -       +      +
    529A  ASP*     3.1    24.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 526 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    522A  ALA      3.5     9.0    +      -       -      +
    523A  GLU*     3.6    32.0    +      -       -      +
    524A  LYS      3.6     2.6    +      -       -      -
    525A  TYR*     1.3    73.5    -      -       -      +
    527A  ALA*     1.3    61.5    +      -       -      +
    528A  GLU*     3.8     0.2    +      -       -      -
    529A  ASP*     3.4     6.3    +      -       -      +
    530A  GLU*     2.9    30.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 527 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    525A  TYR      3.5     0.6    -      -       -      -
    526A  LYS*     1.3    78.4    -      -       -      +
    528A  GLU*     1.3    66.8    +      -       -      +
    530A  GLU*     3.2     7.8    +      -       -      +
    531A  VAL*     2.9    34.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 528 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    447A  ARG*     5.5     1.8    -      -       -      +
    524A  LYS      4.2     2.7    -      -       -      +
    525A  TYR*     3.2    41.9    -      -       +      +
    526A  LYS      3.8     0.2    +      -       -      -
    527A  ALA*     1.3    81.4    +      -       -      +
    529A  ASP*     1.3    65.3    -      -       -      +
    531A  VAL*     3.1    12.1    +      -       -      +
    532A  GLN*     3.0    28.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 529 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    446A  GLU      4.8     0.5    -      -       -      +
    447A  ARG*     2.9    48.0    +      -       -      +
    448A  ALA*     3.2    42.6    +      -       +      +
    449A  MET*     5.3     2.5    +      -       -      +
    452A  ASP*     4.8     3.3    -      -       -      +
    522A  ALA      4.7     4.5    -      -       -      +
    525A  TYR      3.1    17.9    +      -       -      +
    526A  LYS*     3.6     6.7    -      -       -      +
    527A  ALA      3.3     0.2    -      -       -      -
    528A  GLU*     1.3    79.2    -      -       -      +
    530A  GLU*     1.3    57.1    +      -       -      +
    532A  GLN*     3.2     8.1    +      -       -      +
    533A  ARG*     2.9    24.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 530 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    448A  ALA*     5.4     0.2    -      -       -      -
    526A  LYS*     2.9    20.1    +      -       +      +
    527A  ALA*     3.6     7.2    -      -       -      +
    529A  ASP*     1.3    71.6    -      -       -      +
    531A  VAL*     1.3    66.1    +      -       -      +
    533A  ARG*     2.8    48.4    +      -       -      -
    534A  GLU*     2.8    48.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 531 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    527A  ALA*     2.9    20.8    +      -       +      +
    528A  GLU*     3.1    12.1    +      -       -      +
    530A  GLU*     1.3    75.9    -      -       -      +
    532A  GLN*     1.3    69.1    +      -       -      +
    534A  GLU*     3.4     6.2    +      -       -      +
    535A  ARG*     2.9    30.2    +      -       +      +
    589A  LYS*     5.7     1.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 532 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    449A  MET*     3.9    28.9    -      -       +      +
    451A  LYS*     5.7     2.0    -      -       -      +
    528A  GLU*     3.0    18.8    +      -       +      +
    529A  ASP*     3.5    11.0    -      -       -      +
    531A  VAL*     1.3    87.8    -      -       -      +
    533A  ARG*     1.3    64.1    +      -       -      +
    535A  ARG*     2.7    44.3    +      -       -      +
    536A  VAL*     3.0    21.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 533 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    409A  VAL*     4.8    19.1    -      -       +      +
    448A  ALA*     4.3    12.1    -      -       +      +
    449A  MET*     4.6     7.5    -      -       -      -
    529A  ASP      2.9    16.3    +      -       -      +
    530A  GLU*     2.8    43.4    +      -       -      +
    532A  GLN*     1.3    77.7    -      -       -      +
    534A  GLU*     1.3    64.8    +      -       -      +
    536A  VAL*     3.3     4.6    +      -       -      +
    537A  SER*     2.9    31.8    +      -       -      -
    702A  PO4      3.0    48.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 534 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    530A  GLU*     2.8    52.4    +      -       -      +
    531A  VAL*     3.8     5.5    -      -       -      +
    533A  ARG*     1.3    81.1    -      -       -      +
    535A  ARG*     1.3    67.2    +      -       -      +
    537A  SER*     3.3     7.5    +      -       -      -
    538A  ALA*     2.9    25.8    +      -       -      +
    589A  LYS*     3.5    39.1    +      -       +      +
    702A  PO4      4.7     3.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 535 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    407A  GLY*     4.9     4.0    +      -       -      -
    449A  MET*     4.7     4.6    -      -       -      +
    531A  VAL*     2.9    17.4    +      -       +      +
    532A  GLN*     2.7    63.0    +      -       -      +
    534A  GLU*     1.3    78.7    -      -       -      +
    536A  VAL*     1.3    86.6    +      -       -      +
    538A  ALA*     3.2     3.1    +      -       -      +
    539A  LYS*     3.0    26.5    +      -       -      +
    585A  THR      4.9     8.3    +      -       -      -
    586A  LEU*     4.9    12.6    +      -       -      +
    587A  ALA      3.5    26.1    +      -       -      +
    588A  GLU*     4.1     7.4    -      -       +      +
    589A  LYS*     4.0    25.3    -      -       +      +
    592A  PHE*     3.9     5.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 536 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    406A  ALA      3.3    26.2    -      -       -      +
    407A  GLY*     3.7    23.1    -      -       -      +
    409A  VAL*     3.5    23.8    -      -       +      -
    449A  MET*     4.0     4.9    -      -       +      -
    532A  GLN      3.0    11.2    +      -       -      +
    533A  ARG      3.8     3.6    -      -       -      +
    535A  ARG*     1.3   107.3    -      -       -      +
    537A  SER*     1.3    63.2    +      -       -      +
    539A  LYS*     3.1    11.8    +      -       +      +
    540A  ASN*     2.9    31.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 537 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    409A  VAL*     5.7     0.2    -      -       -      +
    533A  ARG*     2.9    19.1    +      -       -      -
    534A  GLU      3.5     5.8    -      -       -      -
    535A  ARG      3.2     0.2    -      -       -      -
    536A  VAL*     1.3    79.2    -      -       -      +
    538A  ALA*     1.3    57.3    +      -       -      +
    540A  ASN*     3.5     7.4    +      -       -      +
    541A  ALA*     2.9    30.2    +      -       -      +
    589A  LYS*     6.3     0.2    -      -       -      -
    702A  PO4      2.8    44.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with ALA 538 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    534A  GLU      2.9    17.1    +      -       -      +
    535A  ARG      3.5     4.5    -      -       -      +
    537A  SER*     1.3    72.7    -      -       -      +
    539A  LYS*     1.3    67.2    +      -       -      +
    541A  ALA*     3.3     6.8    +      -       -      +
    542A  LEU*     2.9    24.6    +      -       -      +
    589A  LYS*     4.0    25.8    -      -       +      +
    592A  PHE*     3.9    20.1    -      -       +      +
    593A  GLU*     4.4    10.3    -      -       +      +
    596A  ARG*     5.3     3.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 539 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    407A  GLY*     6.2     4.9    -      -       -      -
    431A  TYR*     3.5    14.1    +      -       -      -
    535A  ARG*     3.0    13.7    +      -       -      +
    536A  VAL*     3.1    14.8    +      -       +      +
    538A  ALA*     1.3    77.0    -      -       -      +
    540A  ASN*     1.3    65.3    +      -       -      +
    542A  LEU*     3.2     4.0    +      -       -      +
    543A  GLU*     2.9    50.7    +      -       -      +
    581A  LEU*     4.4    16.3    -      -       +      +
    584A  ASN      5.7     0.2    -      -       -      -
    585A  THR*     4.7    22.4    -      -       -      +
    592A  PHE*     3.6    42.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 540 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    406A  ALA*     3.2    41.1    +      -       -      +
    407A  GLY*     5.4     0.5    -      -       -      -
    431A  TYR*     4.4    10.4    -      -       -      -
    469A  ARG*     3.9     1.5    +      -       -      +
    536A  VAL*     2.9    26.7    +      -       -      +
    537A  SER*     3.9     6.5    -      -       -      +
    539A  LYS*     1.3    83.8    +      -       -      +
    541A  ALA*     1.3    57.0    +      -       -      +
    543A  GLU*     3.5     7.5    +      -       -      +
    544A  SER*     2.9    36.3    +      -       -      +
      3C  LEU*     6.1     3.8    -      -       -      +
      4C  LEU*     4.5    14.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 541 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    537A  SER*     2.9    19.1    +      -       -      +
    538A  ALA*     3.6     7.2    -      -       -      +
    539A  LYS      3.2     0.2    -      -       -      -
    540A  ASN*     1.3    76.9    -      -       -      +
    542A  LEU*     1.3    57.5    +      -       -      +
    544A  SER*     3.9     3.9    -      -       -      -
    545A  TYR*     2.9    30.3    +      -       -      +
    596A  ARG*     4.3    18.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 542 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    538A  ALA      2.9    16.7    +      -       -      +
    539A  LYS*     3.6     4.5    -      -       -      +
    541A  ALA*     1.3    77.0    -      -       -      +
    543A  GLU*     1.3    62.5    -      -       -      +
    545A  TYR*     3.2     3.0    +      -       +      +
    546A  ALA*     2.9    20.3    +      -       -      +
    577A  VAL*     3.7    20.6    -      -       +      -
    580A  TRP*     3.9     8.3    -      -       +      -
    581A  LEU*     3.8    25.4    -      -       +      -
    592A  PHE*     3.7    24.0    -      -       +      +
    595A  LYS*     3.8    19.3    -      -       +      +
    596A  ARG*     3.6    40.5    -      -       +      +
    599A  LEU*     4.9     7.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 543 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    431A  TYR*     3.1    33.6    +      -       -      -
    469A  ARG*     3.9    15.4    +      -       -      +
    539A  LYS*     2.9    31.4    +      -       -      +
    540A  ASN*     3.9     5.5    -      -       -      +
    542A  LEU*     1.3    76.8    -      -       -      +
    544A  SER*     1.3    65.2    +      -       -      +
    546A  ALA*     3.1     4.0    +      -       -      +
    547A  PHE*     3.0    55.0    +      -       +      -
    581A  LEU*     3.7    27.1    -      -       +      +
    582A  ASP*     5.0     6.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 544 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    469A  ARG*     2.9    31.8    +      -       -      +
    540A  ASN*     2.9    18.2    +      -       -      +
    541A  ALA*     3.9     4.3    -      -       -      -
    543A  GLU*     1.3    76.0    -      -       -      +
    545A  TYR*     1.3    57.8    +      -       -      +
    547A  PHE*     3.8     1.5    -      -       -      +
    548A  ASN*     2.9    45.6    +      -       -      -
      4C  LEU*     4.5     9.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 545 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    541A  ALA      2.9    19.2    +      -       -      +
    542A  LEU*     3.2     4.9    +      -       +      +
    544A  SER*     1.3    75.4    -      -       -      +
    546A  ALA*     1.3    55.3    +      -       -      +
    548A  ASN*     3.5     4.8    +      -       +      +
    549A  MET*     2.9    40.1    +      -       +      +
    596A  ARG*     4.1    22.0    -      -       +      -
    599A  LEU*     3.5    40.6    -      -       +      -
    600A  GLU*     3.5    30.0    -      -       +      +
    603A  CYS*     3.4    22.9    -      -       -      +
    604A  ASN*     3.7     8.0    +      -       -      -
    434B  ASN*     3.4    42.0    -      -       +      +
    466B  PRO*     3.7    19.1    +      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 546 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    542A  LEU      2.9    12.7    +      -       -      +
    543A  GLU*     3.1     9.4    +      -       -      +
    545A  TYR*     1.3    77.7    -      -       -      +
    547A  PHE*     1.3    63.4    +      -       +      +
    549A  MET*     3.3     2.8    +      -       -      +
    550A  LYS*     3.0    25.4    +      -       -      +
    574A  CYS*     3.7     9.3    -      -       -      +
    577A  VAL*     4.2    11.7    -      -       +      -
    578A  ILE*     4.2    26.5    -      -       +      -
    581A  LEU*     5.2     0.2    -      -       +      -
    599A  LEU*     3.9    21.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 547 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    431A  TYR      5.6     0.7    -      -       -      -
    432A  SER*     6.1     1.1    -      -       -      -
    433A  ASP*     4.0    28.5    -      -       -      -
    469A  ARG*     3.9    31.4    -      -       +      +
    543A  GLU*     3.0    55.8    +      -       +      +
    544A  SER*     3.8     6.3    -      -       -      +
    546A  ALA*     1.3    79.6    -      -       +      +
    548A  ASN*     1.3    62.3    +      -       -      +
    550A  LYS*     3.5     8.1    +      -       +      +
    551A  SER*     2.9    29.6    +      -       -      -
    578A  ILE*     4.9    23.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 548 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    469A  ARG      5.6     2.3    -      -       -      +
    544A  SER*     2.9    33.5    +      -       -      +
    545A  TYR*     3.9     5.5    -      -       -      +
    547A  PHE*     1.3    76.6    -      -       -      +
    549A  MET*     1.3    62.0    +      -       -      +
    551A  SER*     3.7     6.4    -      -       -      -
    552A  ALA*     2.9    29.8    +      -       -      +
    434B  ASN*     5.9     2.8    +      -       -      +
    436B  PRO*     6.3     0.8    -      -       -      +
    466B  PRO*     3.9    17.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with MET 549 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    545A  TYR*     2.9    44.5    +      -       +      +
    546A  ALA      3.7     3.6    -      -       -      +
    548A  ASN*     1.3    74.3    -      -       -      +
    550A  LYS*     1.3    66.3    +      -       -      +
    552A  ALA*     3.1     4.1    +      -       +      +
    553A  VAL*     2.9    33.3    +      -       +      +
    570A  VAL*     3.8    15.7    -      -       +      -
    574A  CYS*     3.7    15.0    -      -       -      -
    599A  LEU*     4.9     0.4    -      -       +      -
    603A  CYS*     3.6    35.2    -      -       +      -
    607A  ILE*     4.0    20.9    -      -       +      -
    466B  PRO*     3.6    34.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 550 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    546A  ALA      3.0    17.9    +      -       -      +
    547A  PHE*     3.7     7.0    -      -       +      +
    549A  MET*     1.3    77.0    -      -       -      +
    551A  SER*     1.3    63.4    +      -       -      +
    553A  VAL*     3.3     9.9    -      -       -      +
    554A  GLU*     2.9    56.3    +      -       -      +
    571A  LEU*     3.6    20.6    -      -       +      -
    574A  CYS*     4.0    12.4    -      -       +      -
    575A  GLN*     5.9     2.2    -      -       -      -
    578A  ILE*     4.9    15.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 551 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    547A  PHE      2.9    18.3    +      -       -      -
    548A  ASN*     3.7     9.4    -      -       -      -
    550A  LYS*     1.3    75.7    -      -       -      +
    552A  ALA*     1.3    58.3    +      -       -      +
    554A  GLU*     3.2     7.2    +      -       -      +
    555A  ASP*     2.9    30.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 552 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    548A  ASN      2.9    19.9    +      -       -      +
    549A  MET*     3.1     8.3    +      -       +      +
    551A  SER*     1.3    79.6    -      -       -      +
    553A  VAL*     1.3    63.5    +      -       +      +
    555A  ASP*     3.4    14.9    +      -       -      +
    558A  LEU*     3.2    22.9    -      -       +      +
    607A  ILE*     5.3     0.9    -      -       +      -
    465B  PRO*     4.3    13.9    -      -       +      -
    466B  PRO*     3.7    22.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 553 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    549A  MET*     2.9    23.5    +      -       +      +
    550A  LYS      3.3    13.2    -      -       -      +
    552A  ALA*     1.3    78.0    -      -       +      +
    554A  GLU*     1.3    59.7    +      -       +      +
    555A  ASP      3.4     3.6    +      -       -      +
    558A  LEU*     4.7     8.2    -      -       +      +
    562A  ILE*     3.8    30.6    -      -       +      +
    567A  LYS*     3.5    28.2    +      -       +      +
    570A  VAL*     3.6    29.8    -      -       +      -
    571A  LEU*     3.6    28.9    -      -       +      -
    607A  ILE*     5.0     6.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 554 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    550A  LYS*     2.9    59.3    +      -       -      +
    551A  SER*     4.0     5.4    -      -       -      +
    553A  VAL*     1.3    77.4    -      -       -      +
    555A  ASP*     1.3    65.1    +      -       -      +
    556A  GLU*     3.4     2.8    +      -       -      -
    559A  LYS*     6.0     0.7    -      -       -      +
    567A  LYS*     4.5    12.5    +      -       -      +
    571A  LEU*     4.0    24.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 555 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    551A  SER*     2.9    12.9    +      -       -      +
    552A  ALA*     3.5    16.6    -      -       -      +
    553A  VAL      3.4     3.5    -      -       -      +
    554A  GLU*     1.3    77.4    -      -       -      +
    556A  GLU*     1.3    84.0    +      -       -      +
    557A  GLY*     3.0    16.9    +      -       -      -
    558A  LEU*     3.0    18.6    +      -       +      +
    559A  LYS*     3.6     8.0    +      -       -      +
    463B  GLY*     5.2     8.7    -      -       -      +
    495B  THR*     5.9     2.1    -      -       -      +
    497B  LYS*     5.7     2.4    +      -       -      -
----------------------------------------------------------
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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