Contacts of the helix formed by residues 357 - 367 (chain B) in PDB entry 2DB3


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 SER 357 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    202B  TYR      2.8    23.5    +      -       -      +
    203B  ILE*     4.0    11.7    -      -       -      +
    356B  THR*     1.3    70.1    -      -       -      +
    358B  PHE*     1.3    62.3    +      -       -      +
    359B  ARG*     3.4     9.5    +      -       -      +
    360B  HIS*     2.9    32.2    +      -       -      +
    361B  GLN*     3.1    23.6    +      -       -      +
    378B  ARG*     3.5     0.4    -      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 358 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    356B  THR      3.1     5.5    +      -       -      -
    357B  SER*     1.3    71.5    -      -       -      +
    359B  ARG*     1.3    55.7    +      -       -      +
    361B  GLN*     3.1     4.1    +      -       -      +
    362B  ASN*     2.8    44.0    +      -       +      +
    378B  ARG*     3.5    27.1    -      -       -      +
    381B  ASP*     3.4    33.7    -      -       +      -
    382B  PHE*     3.5    32.5    -      +       -      -
    385B  ARG*     3.2    42.0    -      -       -      +
    387B  PHE*     3.7    26.9    -      +       -      -
      7F    U      6.0     3.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 359 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    521A  GLY      6.0     0.2    +      -       -      -
    522A  ASP*     4.7    21.2    +      -       -      +
    523A  ARG      5.7     0.6    +      -       -      -
    524A  LEU*     4.1    23.2    -      -       -      +
    357B  SER*     3.2     6.9    -      -       -      +
    358B  PHE*     1.3    85.7    -      -       -      +
    360B  HIS*     1.3    62.0    +      -       -      +
    362B  ASN*     3.3     5.5    +      -       -      +
    363B  GLU*     3.0    46.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 360 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    203B  ILE*     3.8    40.5    -      -       +      +
    204B  PRO*     4.5    22.3    +      -       +      +
    206B  GLU*     4.4    19.7    +      -       +      +
    357B  SER*     2.9    25.5    +      -       -      +
    359B  ARG*     1.3    76.7    -      -       -      +
    361B  GLN*     1.3    71.5    +      -       +      +
    363B  GLU*     3.4    20.9    +      -       -      +
    364B  CYS*     3.1    49.2    +      -       -      -
    367B  ARG*     5.9     0.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 361 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    204B  PRO*     5.5     2.2    -      -       +      +
    351B  ILE*     4.0     9.7    +      -       -      +
    352B  VAL*     3.4    15.5    -      -       +      +
    353B  TYR*     3.0    58.6    +      -       -      +
    356B  THR*     3.2    22.8    +      -       -      +
    357B  SER      3.1    15.1    +      -       -      +
    358B  PHE      3.1     6.7    +      -       -      +
    360B  HIS*     1.3    85.3    -      -       +      +
    362B  ASN*     1.3    63.1    +      -       -      +
    364B  CYS*     3.3     9.1    +      -       -      +
    365B  ILE*     3.0    24.9    +      -       -      +
    378B  ARG*     3.3    13.4    +      -       -      +
    382B  PHE*     3.9     9.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 362 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    500A  ARG*     4.2    13.6    +      -       -      +
    522A  ASP*     5.7     2.0    +      -       -      -
    358B  PHE*     2.8    22.6    +      -       +      +
    359B  ARG*     3.7     5.6    -      -       -      +
    361B  GLN*     1.3    74.7    -      -       -      +
    363B  GLU*     1.3    60.3    +      -       -      +
    365B  ILE*     3.1     4.7    +      -       -      +
    366B  THR*     2.7    45.4    +      -       -      -
    382B  PHE*     3.2    28.3    -      -       +      -
    387B  PHE*     3.7    35.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 363 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    503A  ASP*     5.3     1.8    -      -       -      +
    522A  ASP*     4.5    11.2    -      -       +      +
    524A  LEU*     5.6     4.2    -      -       -      +
    359B  ARG*     3.0    49.0    +      -       +      +
    360B  HIS*     3.6    26.0    +      -       -      +
    361B  GLN      3.3     0.2    -      -       -      -
    362B  ASN*     1.3    77.6    -      -       +      +
    364B  CYS*     1.3    63.6    +      -       -      +
    365B  ILE      3.3     0.2    +      -       -      -
    366B  THR*     3.4    13.9    +      -       -      -
    367B  ARG*     3.5    31.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 364 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    206B  GLU*     4.6     7.2    -      -       -      -
    350B  GLY*     6.1     4.0    -      -       -      -
    351B  ILE      5.9     3.4    -      -       -      +
    360B  HIS*     3.1    42.2    -      -       -      -
    361B  GLN*     3.3     9.4    +      -       -      +
    362B  ASN      3.2     0.4    -      -       -      -
    363B  GLU*     1.3    81.5    -      -       -      +
    365B  ILE*     1.3    61.9    +      -       +      +
    367B  ARG*     3.7    42.6    +      -       -      +
    369B  CYS*     3.8    12.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 365 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    500A  ARG*     6.0     0.9    -      -       -      +
    317B  GLY*     4.9    11.1    +      -       -      -
    350B  GLY*     4.8     4.9    -      -       -      -
    351B  ILE      5.0     3.1    -      -       -      +
    352B  VAL*     4.2    18.2    -      -       +      -
    361B  GLN      3.0    16.3    +      -       -      +
    362B  ASN*     3.1    15.9    +      -       -      +
    364B  CYS*     1.3    73.4    -      -       +      +
    366B  THR*     1.3    58.1    +      -       -      +
    367B  ARG      3.1     2.0    -      -       -      -
    368B  GLY*     2.5    33.8    +      -       -      -
    369B  CYS*     4.0    15.9    +      -       +      +
    372B  VAL*     3.9    37.2    -      -       +      -
    382B  PHE*     4.2     6.1    -      -       +      -
    387B  PHE      4.5     8.1    -      -       -      +
    388B  ILE*     4.4    23.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 366 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    500A  ARG*     3.5    49.0    +      -       +      +
    503A  ASP*     3.8    21.3    -      -       +      -
    504A  PHE*     3.4    21.5    -      -       -      +
    316B  LEU*     3.8    10.0    -      -       +      +
    362B  ASN*     2.7    37.9    +      -       -      -
    363B  GLU*     3.4    10.0    +      -       -      +
    365B  ILE*     1.3    76.2    -      -       -      +
    367B  ARG*     1.3    59.9    +      -       -      +
    368B  GLY      2.9     1.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 367 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    503A  ASP*     4.6    14.8    +      -       -      +
    504A  PHE*     4.1    10.3    -      -       -      +
    507A  SER*     3.9    28.5    +      -       -      +
    206B  GLU*     4.6    13.7    +      -       -      -
    348B  LYS*     2.9    25.4    +      -       +      +
    360B  HIS*     5.9     1.0    -      -       -      -
    363B  GLU*     3.5    20.1    +      -       -      +
    364B  CYS*     3.7    46.0    +      -       -      +
    365B  ILE      2.9     1.0    +      -       -      -
    366B  THR*     1.3    76.0    -      -       -      +
    368B  GLY*     1.3    59.1    +      -       -      +
----------------------------------------------------------
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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