Contacts of the helix formed by residues 411 - 426 (chain A) in PDB entry 4AB1


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 VAL 411 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    371A  GLY      4.1    15.8    -      -       -      +
    372A  GLN*     4.1     4.2    -      -       +      +
    409A  ASP*     2.7    22.5    +      -       -      +
    410A  THR*     1.3    71.7    +      -       -      +
    412A  LYS*     1.3    57.4    +      -       +      +
    414A  LYS*     3.1    19.4    +      -       -      +
    415A  ASP*     3.1    17.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 412 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    407A  THR*     4.0    22.9    -      -       +      +
    409A  ASP*     3.1    32.3    +      -       +      +
    411A  VAL*     1.3    72.0    -      -       +      +
    413A  LYS*     1.3    53.4    +      -       -      +
    414A  LYS      2.9     1.6    -      -       -      -
    415A  ASP*     2.6    37.2    +      -       -      +
    416A  LEU*     2.7    25.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 413 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    373A  LEU*     3.4    26.7    -      -       -      +
    374A  ASP*     5.3     0.2    -      -       -      +
    375A  GLN*     2.8    39.5    +      -       +      +
    404A  LEU*     2.9    36.4    +      -       +      +
    405A  GLY*     4.7     1.2    -      -       -      -
    407A  THR*     2.7    38.3    +      -       +      +
    408A  ASP*     3.9    13.7    -      -       -      +
    409A  ASP      2.9    19.0    +      -       -      +
    410A  THR*     3.9     5.6    -      -       -      +
    412A  LYS*     1.3    72.4    -      -       -      +
    414A  LYS*     1.3    56.5    +      -       -      +
    416A  LEU*     4.2     6.5    -      -       -      -
    417A  PHE*     2.9    30.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 414 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    368A  LEU*     4.5    21.1    -      -       +      -
    371A  GLY*     3.9    33.2    -      -       -      +
    372A  GLN*     4.1     6.3    -      -       -      +
    373A  LEU*     4.2    11.4    -      -       +      +
    410A  THR      3.3    12.7    +      -       -      +
    411A  VAL      3.1    11.8    +      -       -      +
    412A  LYS      2.9     1.2    -      -       -      -
    413A  LYS*     1.3    79.8    -      -       -      +
    415A  ASP*     1.3    66.1    +      -       -      +
    417A  PHE*     3.5     4.8    +      -       +      +
    418A  LEU*     3.1    44.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 415 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    411A  VAL      3.1    16.4    +      -       -      +
    412A  LYS*     2.6    23.2    +      -       -      +
    414A  LYS*     1.3    79.5    -      -       -      +
    416A  LEU*     1.3    53.9    +      -       +      +
    418A  LEU*     2.9    16.2    +      -       -      +
    419A  ASP*     2.8    37.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 416 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    403A  TYR*     3.3    38.6    -      -       +      +
    404A  LEU*     3.6    10.8    -      -       +      -
    406A  GLY*     5.8     2.0    -      -       -      +
    407A  THR*     3.7    30.3    -      -       +      -
    412A  LYS*     2.7    22.3    +      -       +      +
    413A  LYS*     3.9     1.3    -      -       -      +
    415A  ASP*     1.3    72.5    -      -       +      +
    417A  PHE*     1.3    58.8    +      -       -      +
    419A  ASP*     3.2    23.6    -      -       +      +
    420A  LEU*     3.0    23.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 417 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    366A  TYR*     4.9    10.3    -      +       -      -
    368A  LEU*     5.2     4.3    -      -       +      -
    373A  LEU*     3.5    21.5    -      -       +      -
    378A  ALA*     3.4    28.9    -      -       +      -
    381A  LEU*     3.7    34.3    -      -       +      -
    382A  LEU*     4.0    23.3    -      -       +      -
    385A  SER*     4.6     2.9    -      -       -      -
    400A  THR*     5.8     1.6    -      -       +      -
    404A  LEU*     3.3    12.2    -      -       +      +
    413A  LYS      2.9    19.7    +      -       -      +
    414A  LYS*     3.5     6.7    -      -       +      +
    416A  LEU*     1.3    74.1    -      -       -      +
    418A  LEU*     1.3    77.0    +      -       +      +
    420A  LEU*     3.3    18.5    +      -       +      +
    421A  ILE*     3.4    35.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 418 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    355A  PHE*     3.5    49.3    -      -       +      +
    356A  GLY*     4.2    16.8    -      -       -      +
    360A  PRO*     4.9     3.1    -      -       +      -
    366A  TYR*     6.0     0.2    -      -       +      -
    368A  LEU*     4.5    20.4    -      -       +      -
    414A  LYS*     3.1    39.0    +      -       +      +
    415A  ASP*     2.9    16.7    +      -       -      +
    417A  PHE*     1.3    87.2    -      -       +      +
    419A  ASP*     1.3    62.3    +      -       -      +
    421A  ILE*     3.4     4.5    +      -       -      +
    422A  ALA*     3.0    24.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 419 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    352A  LYS      4.9     8.8    -      -       -      +
    353A  GLN*     5.3     7.1    -      -       -      +
    403A  TYR*     4.1    11.4    -      -       +      -
    415A  ASP*     2.8    14.2    +      -       -      +
    416A  LEU*     3.2    33.4    -      -       -      +
    418A  LEU*     1.3    77.0    -      -       -      +
    420A  LEU*     1.3    56.6    +      -       -      +
    422A  ALA*     3.4     6.4    +      -       -      +
    423A  ASP*     3.0    37.1    +      -       -      +
    540A  LYS*     6.3     1.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 420 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    382A  LEU*     4.0    33.7    -      -       +      -
    389A  VAL*     5.7     0.4    -      -       +      -
    391A  ILE*     4.4     0.9    -      -       +      -
    399A  ALA      3.7    30.3    -      -       -      +
    400A  THR*     4.2     5.2    -      -       -      -
    403A  TYR*     3.5    36.1    -      -       +      -
    404A  LEU*     5.1     1.3    -      -       +      -
    416A  LEU      3.0    11.4    +      -       -      +
    417A  PHE*     3.6    15.3    -      -       +      +
    418A  LEU      3.3     0.4    -      -       -      -
    419A  ASP*     1.3    72.2    -      -       -      +
    421A  ILE*     1.3    69.0    +      -       +      +
    423A  ASP*     3.3     3.1    +      -       -      +
    424A  VAL*     3.0    26.1    +      -       +      +
    547A  TRP*     3.4    27.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 421 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    355A  PHE*     3.6    44.4    -      -       +      -
    366A  TYR*     4.8     2.0    -      -       +      +
    382A  LEU*     3.8    28.7    -      -       +      -
    385A  SER*     4.3    12.3    -      -       -      +
    388A  LEU*     4.9     3.4    -      -       +      -
    389A  VAL*     4.1    19.1    -      -       +      -
    417A  PHE*     3.4    34.1    -      -       +      +
    418A  LEU      3.4     4.9    +      -       -      +
    420A  LEU*     1.3    75.7    -      -       -      +
    422A  ALA*     1.3    58.7    +      -       -      +
    424A  VAL*     3.2     1.9    +      -       -      +
    425A  MET*     2.8    42.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 422 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    352A  LYS      5.8     1.3    -      -       -      +
    353A  GLN*     5.1     1.1    -      -       -      -
    354A  GLU*     3.9    15.9    -      -       +      +
    355A  PHE*     3.9    23.8    -      -       -      +
    418A  LEU      3.0    18.5    +      -       -      +
    419A  ASP*     3.6     8.5    -      -       -      +
    420A  LEU      3.3     0.2    -      -       -      -
    421A  ILE*     1.3    77.2    -      -       -      +
    423A  ASP*     1.3    57.5    +      -       -      +
    425A  MET*     4.8     0.2    -      -       -      -
    426A  PHE*     2.7    43.0    +      -       -      +
    427A  GLY      3.1     5.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 423 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    403A  TYR*     2.6    39.8    +      -       -      +
    419A  ASP*     3.0    21.9    +      -       -      +
    420A  LEU      3.6     3.1    -      -       -      +
    421A  ILE      3.3     0.2    -      -       -      -
    422A  ALA*     1.3    75.1    -      -       -      +
    424A  VAL*     1.3    65.4    +      -       -      +
    427A  GLY*     3.3     9.3    +      -       -      +
    428A  VAL*     2.9    37.5    +      -       +      +
    540A  LYS*     2.8    34.2    +      -       -      -
    543A  GLU*     3.3    15.5    -      -       -      +
    547A  TRP*     4.4     4.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 424 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    252A  THR*     5.0     1.4    +      -       -      -
    388A  LEU      4.9     1.1    -      -       -      +
    389A  VAL*     3.8    37.9    -      -       +      +
    391A  ILE*     4.8     2.9    -      -       +      -
    420A  LEU*     3.0    24.6    +      -       +      +
    421A  ILE      3.2     3.6    +      -       -      +
    423A  ASP*     1.3    82.0    -      -       -      +
    425A  MET*     1.3    63.1    +      -       -      +
    428A  VAL*     5.0     2.5    -      -       -      -
    429A  PRO*     3.4    15.5    -      -       -      +
    547A  TRP*     3.5    45.1    -      -       +      -
    551A  PHE*     5.0    11.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 425 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    249A  VAL*     5.9     1.6    +      -       -      +
    253A  SER*     5.5     6.9    -      -       -      -
    254A  VAL*     4.2    18.2    -      -       +      -
    355A  PHE*     3.8    18.8    -      -       +      -
    359A  ILE*     4.9     7.4    -      -       +      -
    388A  LEU*     3.9    45.8    -      -       +      +
    389A  VAL*     4.4     2.5    -      -       +      -
    421A  ILE*     2.8    39.5    +      -       +      +
    424A  VAL*     1.3    79.4    -      -       -      +
    426A  PHE*     1.3    94.8    +      -       +      +
    429A  PRO*     3.6    13.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 426 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    221A  SER*     4.5     4.5    -      -       -      -
    247A  SER*     3.3    38.6    -      -       -      -
    248A  GLY*     4.1     7.6    -      -       -      -
    249A  VAL*     6.4     0.2    -      -       -      -
    350A  ILE*     4.2     5.6    -      -       +      -
    354A  GLU*     3.6    38.1    -      -       +      +
    355A  PHE*     5.2     1.3    -      +       -      -
    359A  ILE*     3.7    24.2    -      -       +      -
    422A  ALA*     2.7    16.4    +      -       -      +
    425A  MET*     1.3   109.8    -      -       +      +
    427A  GLY*     1.3    62.9    +      -       -      +
    428A  VAL      3.6     1.8    -      -       -      -
    429A  PRO*     3.7     2.5    -      -       -      +
    430A  SER*     2.7    33.3    +      -       -      +
    468A  HIS*     3.6    18.6    -      +       -      -
----------------------------------------------------------
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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