Contacts of the helix formed by residues 627 - 640 (chain B) in PDB entry 2H5G


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 627 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    623B  ASP      4.5     5.7    +      -       -      -
    624B  LEU*     2.9    42.0    -      -       +      +
    625B  LEU      3.3     4.4    +      -       -      -
    626B  ARG*     1.3    77.4    +      -       -      +
    628B  PRO*     1.4    72.0    -      -       -      +
    629B  LEU*     3.4    17.0    -      -       +      +
    630B  PHE*     3.2    22.1    +      -       +      +
    631B  ASP*     3.2    27.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 628 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    594B  VAL*     5.5     1.8    -      -       +      -
    626B  ARG      4.6     0.9    -      -       -      +
    627B  THR*     1.4    88.1    -      -       -      +
    629B  LEU*     1.3    65.3    +      -       -      +
    631B  ASP*     3.2    12.5    +      -       +      +
    632B  GLN*     2.9    43.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 629 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    588B  VAL*     4.1    11.4    -      -       +      -
    592B  ALA*     3.5    26.7    -      -       +      +
    594B  VAL*     3.7    40.9    -      -       +      +
    597B  VAL*     3.9    22.8    -      -       +      +
    598B  THR*     4.9     0.5    +      -       -      -
    620B  ILE*     6.5     0.2    -      -       +      -
    624B  LEU*     4.4    19.5    -      -       +      -
    627B  THR*     3.3    12.3    -      -       +      +
    628B  PRO*     1.3    78.3    -      -       -      +
    630B  PHE*     1.3    65.3    +      -       +      +
    632B  GLN*     3.5     5.0    +      -       -      +
    633B  ILE*     3.3    43.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 630 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    620B  ILE*     3.4    49.4    -      -       +      -
    624B  LEU*     3.0    23.8    -      -       +      +
    625B  LEU*     3.4    23.8    -      -       +      +
    627B  THR*     3.2     9.1    -      -       +      +
    629B  LEU*     1.3    79.4    -      -       +      +
    631B  ASP*     1.3    72.6    +      -       -      +
    633B  ILE*     3.2    15.7    +      -       +      +
    634B  ILE*     3.1    41.4    +      -       +      +
    650B  PHE*     3.5    37.9    -      +       -      -
    654B  LEU*     6.3     0.9    -      -       +      -
    675B  ILE*     4.7     2.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 631 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    625B  LEU      5.1     1.9    -      -       -      +
    626B  ARG      5.6     0.5    -      -       -      -
    627B  THR      3.2    18.9    +      -       -      +
    628B  PRO*     3.2    11.1    +      -       +      +
    630B  PHE*     1.3    82.3    -      -       -      +
    632B  GLN*     1.3    55.4    +      -       +      +
    634B  ILE*     3.1    17.7    -      -       +      +
    635B  ASP*     2.8    45.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 632 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    594B  VAL*     3.5    34.3    -      -       -      +
    598B  THR*     3.9    16.2    +      -       +      +
    628B  PRO*     2.9    35.2    +      -       -      +
    629B  LEU*     3.6     5.3    -      -       -      +
    631B  ASP*     1.3    76.8    -      -       +      +
    633B  ILE*     1.3    56.1    +      -       -      +
    635B  ASP*     3.6    10.0    -      -       -      +
    636B  MSE      3.0    30.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 633 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    588B  VAL*     4.8     6.3    -      -       +      -
    597B  VAL*     3.3    34.3    -      -       +      -
    598B  THR*     4.3    11.9    -      -       -      +
    601B  VAL*     4.7     2.9    -      -       +      -
    618B  LEU*     4.1    25.8    -      -       +      -
    620B  ILE*     5.1     4.5    -      -       +      -
    629B  LEU*     3.3    24.4    +      -       +      +
    630B  PHE*     3.2    21.4    +      -       +      +
    632B  GLN*     1.3    76.1    -      -       -      +
    634B  ILE*     1.3    60.5    +      -       +      +
    636B  MSE      3.3    14.9    +      -       +      +
    637B  LEU*     2.9    50.4    +      -       +      +
    675B  ILE*     5.0     2.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 634 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    630B  PHE*     3.1    39.7    +      -       +      +
    631B  ASP*     3.1    32.5    -      -       +      +
    633B  ILE*     1.3    72.6    -      -       +      +
    635B  ASP*     1.4    91.2    +      -       -      +
    637B  LEU*     3.0     9.9    +      -       -      +
    638B  ARG*     3.0    40.7    +      -       -      +
    644B  ILE*     4.7    18.2    -      -       +      +
    650B  PHE*     5.6     2.5    -      -       +      -
    675B  ILE*     4.9     7.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 635 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    631B  ASP*     2.8    34.1    +      -       -      +
    632B  GLN*     3.6    10.6    -      -       -      +
    634B  ILE*     1.4    78.1    -      -       -      +
    636B  MSE      1.3    62.5    +      -       -      +
    638B  ARG*     3.0    33.7    +      -       -      +
    639B  VAL*     3.1    27.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with MSE 636 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    598B  THR*     3.5    31.2    -      -       +      +
    601B  VAL*     3.6    23.1    -      -       +      -
    602B  ARG*     3.5    46.7    -      -       -      +
    606B  CYS*     4.7     1.3    -      -       -      -
    632B  GLN      3.0    19.7    +      -       -      +
    633B  ILE*     3.3    13.2    -      -       +      +
    635B  ASP*     1.3    74.7    -      -       -      +
    637B  LEU*     1.3    70.1    +      -       +      +
    639B  VAL*     3.1    12.3    +      -       +      +
    640B  GLU*     2.7    58.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 637 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    601B  VAL*     4.3     5.6    -      -       +      -
    605B  LYS*     5.1     4.5    -      -       +      -
    606B  CYS*     5.4     0.7    -      -       -      -
    633B  ILE*     2.9    35.6    +      -       +      +
    634B  ILE*     3.0     7.6    +      -       -      +
    636B  MSE      1.3    97.9    -      -       +      +
    638B  ARG*     1.4    58.0    +      -       -      +
    640B  GLU*     3.3     2.7    +      -       -      +
    641B  GLN      3.0     9.0    +      -       -      -
    642B  VAL*     3.0    52.7    +      -       +      +
    644B  ILE*     3.9    19.1    -      -       +      -
    673B  LEU*     3.9    24.2    -      -       +      -
    675B  ILE*     3.9    23.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 638 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    634B  ILE*     3.0    26.8    +      -       -      +
    635B  ASP*     3.0    45.9    +      -       -      +
    637B  LEU*     1.4    71.7    -      -       -      +
    639B  VAL*     1.4    81.2    +      -       +      +
    641B  GLN*     3.0    21.6    +      -       -      +
    642B  VAL      5.1     2.0    -      -       -      +
    644B  ILE*     5.9     0.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 639 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    635B  ASP*     3.1    16.1    +      -       +      +
    636B  MSE      3.2    10.8    -      -       -      +
    638B  ARG*     1.4    84.1    -      -       +      +
    640B  GLU*     1.3    67.7    +      -       +      +
    641B  GLN*     3.3    10.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 640 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    602B  ARG*     3.5    26.8    +      -       +      -
    606B  CYS*     3.7    27.0    -      -       -      +
    636B  MSE      2.7    42.6    +      -       +      +
    637B  LEU      3.8     3.8    -      -       -      +
    638B  ARG      3.2     0.4    -      -       -      -
    639B  VAL*     1.3    79.8    -      -       +      +
    641B  GLN*     1.3    69.2    +      -       -      +
    642B  VAL*     3.4     6.8    +      -       +      +
    671B  LEU*     3.6    15.9    -      -       -      +
----------------------------------------------------------
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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