Contacts of the strand formed by residues 402 - 409 (chain B) in PDB entry 4RE1


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 GLN 402 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    275B  PHE*     3.6     4.0    -      -       -      +
    276B  TRP*     2.7    43.6    +      -       +      +
    395B  SER*     4.8     1.7    +      -       -      -
    397B  SER*     3.7    24.3    +      -       -      -
    400B  GLY      3.6    10.2    +      -       -      +
    401B  ALA*     1.3    80.1    -      -       -      +
    403B  HIS*     1.3    67.9    +      -       -      +
     98C  PRO*     3.6    19.6    -      -       -      +
     99C  PRO*     2.9    48.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with HIS 403 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    226B  HIS      3.4    25.6    +      -       -      -
    227B  ILE*     4.1    22.2    -      -       +      +
    228B  GLY      5.1     1.8    -      -       -      -
    273B  VAL*     4.2     4.5    -      -       +      -
    274B  LYS      3.1    13.0    -      -       -      +
    275B  PHE*     3.9    16.0    -      -       +      -
    276B  TRP*     4.2     5.4    -      -       -      -
    402B  GLN*     1.3    82.1    -      -       -      +
    404B  HIS*     1.3    68.6    +      -       -      +
    405B  ILE*     3.8    33.4    -      -       +      +
     99C  PRO*     4.0     8.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 404 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    240B  GLU*     5.6     0.6    +      -       -      -
    272B  LEU      3.9     0.7    -      -       -      +
    273B  VAL*     3.4     5.2    -      -       -      +
    274B  LYS*     2.9    34.5    +      -       +      +
    276B  TRP*     3.5    21.8    -      +       -      -
    403B  HIS*     1.3    76.4    +      -       -      +
    405B  ILE*     1.3    63.1    +      -       -      +
    406B  TYR*     3.4    28.5    -      +       +      +
     94C  SER*     3.3    34.1    +      -       -      -
     97C  LYS      3.2    18.4    +      -       -      -
     99C  PRO*     3.5    28.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 405 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    195B  SER*     3.8    20.6    -      -       -      +
    196B  ILE*     3.8    42.8    -      -       +      -
    227B  ILE*     4.8     6.7    -      -       +      -
    239B  LEU*     3.6    34.3    -      -       +      +
    240B  GLU      4.2     3.3    +      -       -      +
    271B  PHE*     4.0    17.3    -      -       +      -
    272B  LEU      3.6     4.9    -      -       -      +
    273B  VAL*     4.3     7.4    -      -       +      -
    403B  HIS*     3.8    27.6    -      -       +      +
    404B  HIS*     1.3    78.9    +      -       -      +
    406B  TYR*     1.3    71.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 406 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    239B  LEU*     4.9     0.7    -      -       -      -
    240B  GLU*     3.2    35.9    -      -       +      +
    242B  VAL*     3.8    27.1    -      -       +      -
    271B  PHE*     3.3    11.3    -      -       -      +
    272B  LEU*     2.7    59.1    +      -       +      +
    274B  LYS*     4.3     3.1    -      -       +      -
    404B  HIS*     3.4    33.3    -      +       +      +
    405B  ILE*     1.3    76.3    -      -       -      +
    407B  ARG*     1.3    63.0    +      -       -      +
     92C  PRO*     3.8    11.7    -      -       +      -
     94C  SER*     2.9    28.2    +      -       -      -
     95C  PHE*     3.3    40.6    -      +       -      -
----------------------------------------------------------
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Residues in contact with ARG 407 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    300A  SER*     5.8     1.8    +      -       -      -
    195B  SER      5.2     2.8    +      -       -      -
    197B  GLY      4.8     7.3    +      -       -      -
    239B  LEU*     4.1    33.5    -      -       +      +
    240B  GLU      3.0    10.3    +      -       -      +
    241B  SER*     3.2     9.0    -      -       -      -
    242B  VAL      2.8    27.4    +      -       -      -
    268B  ASN*     3.6    43.7    +      -       -      +
    270B  PHE      3.9     5.6    +      -       -      +
    271B  PHE*     3.9    18.6    -      -       +      -
    406B  TYR*     1.3    71.7    -      -       -      +
    408B  LEU*     1.3    63.1    +      -       -      +
    409B  VAL*     4.6     9.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 408 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    242B  VAL*     3.5    23.6    -      -       +      +
    244B  ILE*     4.2    27.8    -      -       +      -
    247B  ILE*     3.8    27.8    -      -       +      -
    258B  LEU*     5.2     3.4    -      -       +      -
    262B  PHE*     3.7    13.0    -      -       +      -
    267B  GLN*     3.7    13.3    -      -       -      +
    270B  PHE*     3.1    26.6    +      -       +      +
    271B  PHE      3.5    33.7    -      -       -      +
    272B  LEU*     3.7    18.2    -      -       +      +
    387B  CYS*     5.9     0.4    -      -       -      -
    389B  ALA*     4.5     5.2    -      -       +      +
    406B  TYR      3.7     0.4    +      -       -      -
    407B  ARG*     1.3    73.6    -      -       -      +
    409B  VAL*     1.3    61.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 409 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241B  SER*     3.9    28.0    -      -       -      +
    242B  VAL      2.9    24.4    +      -       -      +
    243B  ASP*     3.6     4.7    -      -       -      +
    244B  ILE*     2.9    27.2    +      -       -      +
    262B  PHE*     3.9     8.3    -      -       -      -
    267B  GLN*     5.3     1.8    -      -       -      -
    407B  ARG*     4.0     9.9    -      -       +      +
    408B  LEU*     1.3    79.5    -      -       -      +
    410B  LYS*     1.3    62.5    +      -       -      +
    411B  ASP*     4.5    11.9    -      -       -      +
----------------------------------------------------------
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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