Contacts of the strand formed by residues 1454 - 1461 (chain A) in PDB entry 2FR1


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 ARG1454 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1450A  VAL*     3.8    18.6    -      -       -      +
   1451A  SER*     4.2    19.2    +      -       -      +
   1452A  ALA      3.5     1.0    -      -       -      -
   1453A  LEU*     1.3    76.8    -      -       -      +
   1455A  TYR*     1.3    70.6    +      -       -      +
   1652A  ARG*     3.5     8.5    +      -       -      +
   1653A  ALA*     3.0    31.6    +      -       +      +
   1654A  ALA      2.9    28.1    +      -       -      -
   1655A  ALA*     5.1     3.0    -      -       -      +
   1656A  PRO*     4.8     1.8    -      -       -      +
   1872A  ALA*     3.9    14.3    +      -       +      +
   1875A  ASN*     4.2    24.1    +      -       -      +
   1876A  ALA*     3.6    21.4    -      -       -      +
   1879A  ARG*     3.8     5.9    -      -       -      +
   1881A  GLU*     2.6    46.3    +      -       -      -
   1884A  PRO*     4.8     2.4    -      -       +      +
   1885A  ILE      3.5     4.5    -      -       -      +
   1886A  VAL*     5.1     3.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR1455 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1452A  ALA      3.7     5.2    +      -       -      -
   1453A  LEU      3.4    15.9    -      -       -      -
   1454A  ARG*     1.3    77.4    -      -       -      +
   1456A  ARG*     1.3    65.8    -      -       -      +
   1650A  TRP*     4.0    17.9    -      +       +      -
   1651A  VAL      3.2    11.9    -      -       -      +
   1652A  ARG*     3.0    40.4    +      -       +      -
   1653A  ALA*     3.9     6.1    -      -       -      +
   1881A  GLU*     5.3     0.3    -      -       -      +
   1884A  PRO*     3.8     3.5    -      -       -      +
   1885A  ILE*     2.8    43.1    +      -       +      -
   1887A  ILE*     3.5    37.0    +      -       +      -
   1889A  VAL*     4.2     8.5    +      -       +      +
   1891A  TRP*     3.2    36.9    +      +       -      -
   1910A  ILE*     3.9    19.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG1456 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1455A  TYR*     1.3    79.1    -      -       -      +
   1457A  ILE*     1.3    69.6    +      -       -      +
   1458A  GLU*     2.6    40.7    +      -       +      +
   1650A  TRP*     3.7     2.8    -      -       -      -
   1651A  VAL*     2.8    48.0    +      -       +      +
   1652A  ARG      5.1     1.2    +      -       -      -
   1653A  ALA*     4.5    16.1    -      -       +      +
   1879A  ARG*     3.7    27.3    -      -       -      +
   1881A  GLU*     4.5     6.1    -      -       +      +
   1883A  CYS      4.5     8.3    -      -       -      +
   1884A  PRO*     5.2     2.5    -      -       +      -
   1885A  ILE*     4.1     7.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE1457 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1456A  ARG*     1.3    83.0    +      -       -      +
   1458A  GLU*     1.3    70.6    +      -       -      +
   1459A  TRP*     4.0    17.4    -      -       +      +
   1648A  ARG*     3.5    55.9    -      -       +      +
   1649A  ARG      3.5     4.3    -      -       -      +
   1650A  TRP*     3.5    32.1    -      -       +      +
   1804A  ALA*     5.8     0.4    -      -       -      -
   1883A  CYS*     4.8     9.7    +      -       +      +
   1885A  ILE*     3.7    17.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU1458 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1456A  ARG*     2.6    39.0    +      -       -      +
   1457A  ILE*     1.3    80.3    -      -       -      +
   1459A  TRP*     1.3    68.3    +      -       -      +
   1460A  ARG*     2.7    43.5    +      -       -      +
   1647A  GLY      3.7     0.2    -      -       -      +
   1648A  ARG*     3.8     2.1    -      -       -      -
   1649A  ARG*     2.9    36.5    +      -       +      +
   1651A  VAL*     3.0    23.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with TRP1459 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1457A  ILE*     4.0    12.3    -      -       +      +
   1458A  GLU*     1.3    82.5    -      -       -      +
   1460A  ARG*     1.3    64.6    -      -       -      +
   1461A  PRO*     4.3     0.9    -      -       -      +
   1576A  VAL*     3.8    30.2    -      -       +      +
   1577A  ALA      3.4    26.1    +      -       -      +
   1578A  THR*     3.7    26.4    +      -       +      +
   1593A  TRP*     3.8    22.4    -      +       -      -
   1637A  GLN      3.8     4.9    -      -       -      -
   1638A  LEU      3.9     1.3    -      -       -      -
   1639A  ALA*     3.7    35.4    -      -       +      -
   1646A  TYR*     3.5    26.7    -      -       +      -
   1647A  GLY      3.5     7.0    -      -       -      -
   1648A  ARG*     3.6    52.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG1460 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1458A  GLU*     2.7    42.1    +      -       -      +
   1459A  TRP*     1.3    76.9    -      -       -      +
   1461A  PRO*     1.3    79.9    -      -       +      +
   1462A  THR*     4.1     1.6    -      -       -      -
   1646A  TYR*     3.3     2.6    -      -       -      -
   1647A  GLY*     2.8    33.7    +      -       -      +
   1649A  ARG*     4.3    19.1    +      -       +      +
   1651A  VAL*     3.5     8.3    -      -       -      +
   1909A  GLU*     2.6    48.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO1461 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   1459A  TRP      4.3     0.9    -      -       -      +
   1460A  ARG*     1.3    97.2    -      -       +      +
   1462A  THR*     1.3    60.4    +      -       -      +
   1644A  GLY*     6.6     0.2    -      -       -      -
   1645A  VAL      3.3    12.8    -      -       -      +
   1646A  TYR*     3.6    25.1    -      -       +      +
   1649A  ARG*     5.7     0.2    +      -       -      -
----------------------------------------------------------
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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