Contacts of the helix formed by residues 207 - 216 (chain D) in PDB entry 2RHB


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 207 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205D  PRO      3.6     0.8    -      -       -      -
    206D  ARG*     1.3    80.8    -      -       -      +
    208D  GLN*     1.3    55.7    +      -       -      +
    209D  MET      3.5     4.4    +      -       -      -
    210D  GLU*     2.8    30.3    +      -       -      +
    211D  THR*     3.0    15.5    +      -       -      -
    298D  LEU*     3.5    16.0    -      -       -      +
    300D  ASP*     2.6    37.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 208 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207D  SER*     1.3    71.8    -      -       -      +
    209D  MET*     1.3    61.2    +      -       -      +
    211D  THR*     3.5    16.8    +      -       -      +
    212D  ASP*     3.0    51.8    +      -       -      +
    225D  TYR*     3.8     5.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 209 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    207D  SER*     3.0     1.4    +      -       -      -
    208D  GLN*     1.3    77.4    -      -       -      +
    210D  GLU*     1.3    56.5    +      -       -      +
    212D  ASP*     3.4     1.2    +      -       -      +
    213D  PHE*     2.9    23.3    +      -       -      +
    221D  PHE*     3.3    25.6    -      -       +      -
    225D  TYR*     3.4    43.0    +      -       +      +
    299D  LEU*     4.1     9.2    -      -       +      -
    300D  ASP*     3.3    48.0    -      -       -      +
    303D  VAL*     3.6    36.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 210 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198D  ARG*     2.8    32.5    +      -       -      -
    203D  PHE*     4.9     0.2    -      -       -      -
    205D  PRO*     3.4    10.6    -      -       +      +
    206D  ARG*     2.8    15.8    +      -       -      -
    207D  SER*     2.8    13.9    +      -       -      +
    209D  MET*     1.3    73.1    -      -       -      +
    211D  THR*     1.3    66.5    +      -       -      +
    213D  PHE*     3.2    13.1    +      -       -      +
    214D  LEU*     3.3    20.1    +      -       -      +
    252D  ILE*     3.6    22.3    -      -       +      +
    297D  LEU      3.9     0.9    -      -       -      +
    298D  LEU*     3.2    20.9    -      -       -      +
    299D  LEU*     2.9    40.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with THR 211 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205D  PRO*     3.6    22.0    +      -       +      +
    207D  SER      3.0    15.0    +      -       -      -
    208D  GLN*     3.6    23.9    +      -       -      +
    210D  GLU*     1.3    76.6    -      -       -      +
    212D  ASP*     1.3    62.5    +      -       -      +
    214D  LEU*     3.6     2.8    +      -       -      +
    215D  GLU*     3.3    49.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 212 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208D  GLN*     3.0    32.4    +      -       -      +
    209D  MET      3.6     4.7    -      -       -      +
    210D  GLU      3.2     0.2    -      -       -      -
    211D  THR*     1.3    77.2    -      -       -      +
    213D  PHE*     1.3    64.8    +      -       -      +
    215D  GLU*     4.6     8.2    -      -       -      +
    216D  LEU*     2.9    47.7    +      -       +      +
    221D  PHE*     3.9     2.0    -      -       -      -
    224D  ARG*     4.0    21.3    +      -       -      -
    225D  TYR*     2.7    33.8    +      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 213 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    209D  MET      2.9    14.7    +      -       -      +
    210D  GLU*     3.2     9.6    +      -       -      +
    212D  ASP*     1.3    74.1    -      -       -      +
    214D  LEU*     1.3    61.9    +      -       +      +
    216D  LEU      3.4     4.5    -      -       -      +
    221D  PHE*     3.5    32.5    -      +       +      -
    232D  PHE*     4.8     1.8    -      +       -      -
    236D  VAL*     3.7    29.2    -      -       +      -
    237D  TYR*     3.4    46.9    +      +       -      -
    252D  ILE*     3.6    33.0    -      -       +      -
    253D  GLY*     4.4     5.2    -      -       -      -
    256D  LYS*     2.9    45.4    +      -       +      +
    299D  LEU*     3.8    15.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 214 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    203D  PHE*     4.8    11.7    -      -       +      +
    205D  PRO*     3.6    34.5    -      -       +      -
    210D  GLU      3.3     9.5    +      -       -      +
    211D  THR      4.0     3.6    -      -       -      +
    212D  ASP      3.2     0.4    -      -       -      -
    213D  PHE*     1.3    77.4    -      -       +      +
    215D  GLU*     1.3    61.6    +      -       +      +
    252D  ILE*     4.0    20.6    -      -       +      -
    255D  ALA*     4.2     6.1    -      -       +      -
    256D  LYS*     2.8    53.2    +      -       +      +
    259D  GLN*     3.2    41.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 215 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211D  THR*     3.3    38.7    +      -       -      +
    212D  ASP*     4.1     8.0    -      -       -      +
    214D  LEU*     1.3    78.9    -      -       +      +
    216D  LEU*     1.3    75.1    +      -       +      +
    217D  ALA      3.9     0.3    +      -       -      -
    256D  LYS*     4.3     0.7    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 216 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212D  ASP*     2.9    39.5    +      -       +      +
    213D  PHE      3.4     4.9    -      -       -      +
    215D  GLU*     1.3    83.0    -      -       +      +
    217D  ALA*     1.3    64.8    +      -       -      +
    220D  GLU*     3.8    21.5    -      -       +      -
    221D  PHE*     4.5    13.5    -      -       +      +
    224D  ARG*     3.5    49.6    -      -       -      +
    256D  LYS*     2.6    29.6    +      -       -      -
----------------------------------------------------------
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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