Contacts of the helix formed by residues 373 - 393 (chain A) in PDB entry 4ZSL


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

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

Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB   - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC   - hydrophobic-hydrophilic contact (destabilizing contact)
+/-  - indicates presence/absence of a specific contacts
*    - indicates residues forming contacts  by their side chain
       (including CA atoms)
Residues in contact with THR 373 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93A  VAL*     4.8     3.4    -      -       -      -
    371A  ALA      4.4     0.6    +      -       -      +
    372A  LEU*     1.3    77.7    -      -       -      +
    374A  ARG*     1.3    64.3    +      -       -      +
    375A  GLU*     3.7     7.4    +      -       -      +
    376A  ARG*     3.2    34.6    +      -       +      +
    377A  ILE*     3.0    22.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 374 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     90A  PHE*     3.5    17.8    -      -       -      +
     91A  ASP*     2.8    45.6    +      -       -      +
     92A  VAL*     3.9     1.6    -      -       -      +
     93A  VAL*     3.5    34.3    -      -       +      +
     96A  ALA*     5.2     2.8    -      -       +      +
    373A  THR*     1.3    71.7    -      -       -      +
    375A  GLU*     1.3    63.3    +      -       -      +
    377A  ILE*     3.2    10.2    +      -       -      +
    378A  LYS*     3.0    23.0    +      -       -      +
    405A  GOL      3.5    45.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 375 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    127A  TYR*     2.7    40.7    +      -       -      -
    373A  THR*     3.2     7.6    +      -       -      +
    374A  ARG*     1.3    76.6    -      -       -      +
    376A  ARG*     1.3    57.9    +      -       +      +
    378A  LYS*     3.2    14.2    +      -       -      +
    379A  GLU*     2.9    42.1    +      -       -      +
    405A  GOL      3.2    32.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 376 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    371A  ALA      5.5     0.7    -      -       -      -
    372A  LEU*     4.0    33.8    -      -       +      +
    373A  THR*     3.2    31.2    +      -       -      +
    375A  GLU*     1.3    76.7    -      -       +      +
    377A  ILE*     1.3    55.7    -      -       -      +
    379A  GLU*     3.4    21.2    +      -       -      +
    380A  ALA*     3.1    26.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 377 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93A  VAL*     4.0    17.0    -      -       +      +
     96A  ALA*     3.4    40.2    -      -       +      +
     97A  LYS*     3.7    29.8    -      -       +      +
    100A  LEU*     4.3    11.4    -      -       +      -
    372A  LEU*     3.5    33.9    -      -       +      +
    373A  THR      3.0    22.5    +      -       -      +
    374A  ARG*     3.2     8.3    +      -       -      +
    376A  ARG*     1.3    72.1    -      -       -      +
    378A  LYS*     1.3    60.3    +      -       -      +
    380A  ALA*     3.1     7.3    +      -       -      +
    381A  ILE*     2.8    34.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 378 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     90A  PHE*     3.6    46.9    -      -       +      -
    127A  TYR*     2.9    53.9    +      -       +      +
    128A  GLY*     3.9    10.1    +      -       -      -
    130A  PHE*     2.9    31.6    +      -       -      -
    131A  LYS*     5.6     0.8    -      -       -      +
    374A  ARG      3.0    12.9    +      -       -      +
    375A  GLU*     3.3    23.7    +      -       -      +
    377A  ILE*     1.3    76.0    -      -       -      +
    379A  GLU*     1.4    55.7    +      -       -      +
    381A  ILE*     3.3     1.9    +      -       -      +
    382A  VAL*     2.9    36.4    +      -       +      +
    405A  GOL      4.4     4.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 379 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    127A  TYR*     3.3    19.4    +      -       +      +
    375A  GLU*     2.9    30.9    +      -       -      +
    376A  ARG*     3.4    24.7    +      -       -      +
    377A  ILE      3.2     0.2    -      -       -      -
    378A  LYS*     1.4    75.1    -      -       -      +
    380A  ALA*     1.4    56.0    +      -       -      +
    382A  VAL*     3.6     5.2    +      -       -      +
    383A  ALA*     2.9    28.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 380 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100A  LEU*     3.8    27.8    -      -       +      -
    372A  LEU*     5.1     5.6    -      -       +      -
    376A  ARG      3.1    13.5    +      -       -      +
    377A  ILE*     3.1     8.0    +      -       -      +
    379A  GLU*     1.4    74.6    -      -       -      +
    381A  ILE*     1.4    58.0    +      -       -      +
    383A  ALA*     3.3     7.9    +      -       -      +
    384A  GLU*     3.0    32.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 381 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     89A  ALA      5.1     0.4    -      -       -      +
     90A  PHE*     3.8    32.5    -      -       +      -
     96A  ALA*     3.5    26.0    -      -       -      +
     99A  THR*     4.0    15.7    -      -       +      -
    100A  LEU*     3.9    25.6    -      -       +      +
    103A  LEU*     3.8    18.2    -      -       +      -
    133A  VAL*     4.4     9.6    -      -       +      -
    377A  ILE*     2.8    27.9    +      -       +      +
    378A  LYS      3.8     3.1    -      -       -      +
    380A  ALA*     1.4    67.3    -      -       -      +
    382A  VAL*     1.3    66.4    +      -       -      +
    384A  GLU*     3.0     8.1    +      -       -      +
    385A  ILE*     3.0    34.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 382 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     90A  PHE*     5.0     0.7    -      -       +      -
    123A  PRO*     5.1    12.1    -      -       +      -
    127A  TYR*     3.8    32.5    -      -       +      -
    130A  PHE*     3.9    31.9    -      -       +      -
    378A  LYS*     2.9    23.5    +      -       +      +
    379A  GLU*     3.8     4.9    -      -       -      +
    381A  ILE*     1.3    75.3    -      -       -      +
    383A  ALA*     1.4    61.3    +      -       -      +
    385A  ILE*     3.2    10.5    +      -       +      +
    386A  GLU*     3.1    42.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with ALA 383 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    379A  GLU      2.9    18.8    +      -       -      +
    380A  ALA*     3.6     9.4    -      -       -      +
    381A  ILE      3.3     0.2    -      -       -      -
    382A  VAL*     1.4    74.8    -      -       -      +
    384A  GLU*     1.4    59.9    +      -       -      +
    386A  GLU*     3.4    16.1    +      -       -      +
    387A  ASP*     2.9    30.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 384 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100A  LEU*     3.8    17.5    -      -       +      +
    103A  LEU*     4.5    17.9    -      -       +      -
    104A  LYS*     3.3    41.0    +      -       +      +
    107A  LYS*     2.7    55.8    +      -       +      +
    120A  ILE*     5.0     1.3    -      -       -      -
    380A  ALA      3.0    18.4    +      -       -      +
    381A  ILE*     3.0    10.7    +      -       -      +
    383A  ALA*     1.4    74.8    -      -       -      +
    385A  ILE*     1.3    58.7    +      -       -      +
    387A  ASP*     4.4     3.0    -      -       -      +
    388A  PHE*     3.0    16.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 385 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    103A  LEU*     4.9     3.6    -      -       +      -
    120A  ILE*     3.7    31.6    -      -       +      -
    121A  LEU      4.0    15.7    -      -       -      +
    122A  ARG*     4.2    11.7    -      -       +      -
    123A  PRO*     4.7     6.7    -      -       +      -
    130A  PHE*     3.9    33.9    -      -       +      -
    133A  VAL*     4.4     5.2    -      -       +      -
    381A  ILE*     3.0    31.1    +      -       +      +
    382A  VAL*     3.2    10.1    +      -       +      +
    384A  GLU*     1.3    74.2    -      -       -      +
    386A  GLU*     1.3    64.8    +      -       +      +
    388A  PHE*     3.4     6.8    -      -       -      +
    389A  HIS*     3.1    45.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 386 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    122A  ARG*     6.4     0.2    -      -       -      -
    382A  VAL*     3.1    34.3    +      -       +      +
    383A  ALA*     3.6    16.7    -      -       -      +
    385A  ILE*     1.3    76.0    -      -       +      +
    387A  ASP*     1.4    55.4    +      -       -      +
    389A  HIS*     3.2     7.0    +      -       -      +
    390A  ALA*     2.9    30.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 387 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    107A  LYS*     2.8    28.4    +      -       -      +
    383A  ALA      2.9    16.8    +      -       -      +
    384A  GLU*     4.4     2.9    -      -       -      +
    385A  ILE      3.4     0.2    -      -       -      -
    386A  GLU*     1.4    71.0    -      -       -      +
    388A  PHE*     1.4    58.2    +      -       -      +
    390A  ALA*     3.3     7.0    +      -       -      +
    391A  ARG*     2.8    72.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 388 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    107A  LYS*     3.6    25.2    -      -       +      +
    117A  ILE*     3.7    23.6    -      -       +      -
    118A  LYS      3.8     7.6    -      -       -      -
    119A  ASP*     3.6    42.6    -      -       -      -
    120A  ILE*     3.9    24.2    -      -       +      -
    384A  GLU      3.0    14.3    +      -       -      +
    385A  ILE      3.4     9.2    -      -       -      +
    386A  GLU      3.3     0.2    -      -       -      -
    387A  ASP*     1.4    77.0    -      -       -      +
    389A  HIS*     1.3    75.5    +      +       -      +
    391A  ARG*     3.6     4.8    +      -       -      +
    392A  ARG*     3.4    46.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 389 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    119A  ASP*     3.1    26.9    -      -       -      -
    120A  ILE      2.6    23.6    +      -       -      -
    122A  ARG*     3.1    60.6    +      -       +      +
    385A  ILE*     3.1    25.9    +      -       +      +
    386A  GLU*     3.2     9.8    +      -       -      +
    388A  PHE*     1.3    83.6    -      +       -      +
    390A  ALA*     1.3    62.3    +      -       -      +
    391A  ARG      3.4     0.2    -      -       -      -
    392A  ARG*     3.6    19.9    +      -       -      +
    393A  GLU*     3.2    22.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 390 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    386A  GLU      2.9    17.8    +      -       -      +
    387A  ASP*     3.7     9.4    -      -       -      +
    389A  HIS*     1.3    75.2    -      -       -      +
    391A  ARG*     1.4    63.5    +      -       +      +
    393A  GLU      3.3    21.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 391 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    107A  LYS*     5.5     2.7    -      -       -      +
    387A  ASP*     2.8    57.6    +      -       -      +
    388A  PHE*     4.0     6.1    -      -       -      +
    390A  ALA*     1.4    75.3    -      -       +      +
    392A  ARG*     1.4    61.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 392 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    118A  LYS      3.2    23.8    +      -       -      -
    119A  ASP*     3.4    28.0    +      -       -      +
    122A  ARG*     5.3     2.2    -      -       -      +
    388A  PHE*     3.4    33.6    +      -       +      +
    389A  HIS*     3.8    22.2    +      -       -      +
    390A  ALA      3.3     0.4    -      -       -      -
    391A  ARG*     1.4    78.7    -      -       +      +
    393A  GLU*     1.4    61.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 393 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    389A  HIS      3.2    12.2    +      -       -      +
    390A  ALA*     3.3    21.9    +      -       -      -
    392A  ARG*     1.4    80.5    -      -       +      +
----------------------------------------------------------
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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