Contacts of the helix formed by residues 405 - 410 (chain C) in PDB entry 2VGB


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 405 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93C  THR*     3.4    10.3    +      -       -      -
    116C  ARG*     3.8     7.0    +      -       -      -
    371C  THR*     4.8    14.5    +      -       -      +
    372C  GLN      5.8     2.1    -      -       -      +
    375C  GLU*     6.0     0.2    -      -       -      -
    403C  MET*     3.5    22.2    -      -       -      +
    404C  LEU*     1.3    78.4    +      -       -      +
    406C  GLY*     1.3    69.7    +      -       -      -
    407C  GLU*     2.7    12.5    +      -       -      -
    408C  THR*     3.0     4.3    +      -       -      -
    409C  ALA*     2.8    28.0    +      -       -      +
    581C  PGA      4.9     5.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 406 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    375C  GLU*     4.8     3.4    +      -       -      -
    378C  ILE*     3.4    23.6    -      -       -      +
    405C  SER*     1.3    77.8    -      -       -      +
    407C  GLU*     1.3    65.2    +      -       -      +
    408C  THR      3.1     1.2    +      -       -      -
    409C  ALA      4.5     0.4    -      -       -      -
    410C  LYS*     3.1    29.5    +      -       -      +
    411C  GLY      3.1    22.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 407 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    372C  GLN*     4.0     4.4    +      -       -      -
    373C  MET      3.6     8.5    +      -       -      -
    374C  LEU*     3.0    56.4    +      -       +      +
    375C  GLU*     3.6    13.4    +      -       -      +
    377C  MET*     4.8     1.4    -      -       +      +
    378C  ILE*     3.6    15.7    -      -       +      +
    404C  LEU*     3.8    15.3    -      -       +      +
    405C  SER*     2.7    25.2    +      -       -      -
    406C  GLY*     1.3    76.5    +      -       -      +
    408C  THR*     1.3    58.0    +      -       -      +
    411C  GLY*     4.3     7.6    +      -       -      -
    413C  PHE      4.1     4.0    +      -       -      -
    414C  PRO*     3.3    21.5    -      -       -      +
    417C  ALA*     3.8    19.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR 408 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     92C  ALA*     3.8     4.7    -      -       +      +
     93C  THR      2.7    36.6    +      -       -      -
     97C  ALA*     3.6     7.0    -      -       -      +
     98C  SER*     3.1    21.8    +      -       -      -
    107C  MET*     4.1    10.5    -      -       +      -
    404C  LEU*     3.6    33.1    +      -       +      +
    405C  SER      3.0     4.0    +      -       -      -
    407C  GLU*     1.3    79.7    -      -       -      +
    409C  ALA*     1.3    64.7    +      -       -      +
    410C  LYS      3.6     0.4    -      -       -      -
    414C  PRO*     3.6    29.1    -      -       +      +
    417C  ALA*     4.5     0.2    -      -       +      -
    418C  VAL*     3.8     9.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 409 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93C  THR*     3.7    20.4    -      -       +      +
     94C  ILE      4.2     4.5    -      -       -      +
     95C  GLY*     3.7    14.8    -      -       -      +
     96C  PRO*     3.1    14.9    -      -       +      +
     97C  ALA*     2.9    22.0    +      -       -      -
    405C  SER      2.8    25.1    +      -       -      +
    406C  GLY*     4.7     0.2    -      -       -      -
    408C  THR*     1.3    75.8    +      -       -      +
    410C  LYS*     1.3    69.9    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 410 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96C  PRO*     4.9    12.1    -      -       +      -
     97C  ALA*     3.8     7.2    -      -       -      +
    121C  HIS*     6.3     1.2    -      -       -      -
    378C  ILE*     5.3    10.5    -      -       +      -
    406C  GLY*     3.1    26.9    +      -       -      +
    409C  ALA*     1.3    87.6    -      -       +      +
    411C  GLY*     1.3    69.1    +      -       -      +
    412C  ASN*     4.4     4.3    -      -       -      +
----------------------------------------------------------
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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