Contacts of the strand formed by residues 4 - 12 (chain A) in PDB entry 2FIU


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 GLY 4 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3A  LYS*     1.3    73.9    -      -       -      +
      5A  TYR*     1.3    61.1    +      -       -      -
      6A  TRP      3.8     0.8    +      -       -      -
     57A  ILE      3.5     2.4    -      -       -      +
     58A  GLU*     3.6     1.9    -      -       -      -
     59A  PHE*     2.8    38.3    +      -       -      +
     61A  SER      3.5    10.1    -      -       -      -
     62A  VAL*     3.7    23.1    -      -       -      -
     91A  ILE*     4.2     4.5    -      -       -      -
     92A  VAL      3.9     4.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 5 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3A  LYS*     3.7    21.1    -      -       +      +
      4A  GLY*     1.3    69.8    -      -       -      -
      6A  TRP*     1.3    63.0    +      -       -      +
      7A  ILE*     3.5    19.5    +      -       +      +
     37A  LEU*     3.9    15.3    -      -       +      -
     56A  VAL*     4.5     9.0    -      -       +      -
     57A  ILE      3.4     3.1    -      -       -      +
     58A  GLU*     3.0    50.5    +      -       +      -
     90A  MSE      3.6     0.3    -      -       -      +
     91A  ILE*     3.2     5.0    -      -       -      +
     92A  VAL*     2.8    49.6    +      -       +      +
     94A  GLY*     3.6    17.0    -      -       -      -
     37B  LEU*     3.6    47.9    +      -       +      +
     38B  ALA*     4.3     7.6    -      -       +      -
     56B  VAL*     4.9     6.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with TRP 6 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4A  GLY      3.8     2.6    +      -       -      -
      5A  TYR*     1.3    69.9    -      -       -      +
      7A  ILE*     1.3    69.8    +      -       -      +
      8A  ALA*     4.1    11.3    -      -       +      +
     21A  TYR*     4.9     1.6    +      -       -      -
     29A  PHE*     3.7    20.1    -      +       -      -
     55A  VAL*     5.1     0.9    -      -       +      +
     56A  VAL*     3.5     3.3    -      -       -      -
     57A  ILE*     2.8    54.9    +      -       +      +
     59A  PHE*     3.6    32.5    -      +       +      -
     65A  ALA*     3.5    26.2    -      -       +      -
     68A  CYS*     4.1     8.1    -      -       +      -
     69A  TYR*     3.7    28.9    -      +       +      -
     74A  TYR*     3.5    29.2    -      +       -      -
     89A  MSE      3.3    32.0    -      -       +      +
     90A  MSE      3.4     8.7    -      -       -      -
     91A  ILE*     4.3     7.0    -      -       +      +
     46B  LEU*     4.5     8.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 7 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  TYR*     3.7    13.2    -      -       +      +
      6A  TRP*     1.3    78.5    -      -       -      +
      8A  ALA*     1.3    62.2    +      -       -      +
      9A  GLN*     4.4    17.1    -      -       +      +
     54A  ASN*     6.3     0.9    -      -       +      -
     55A  VAL      3.3     8.5    -      -       -      +
     56A  VAL*     4.7    16.2    -      -       +      -
     88A  GLU      3.9     0.9    -      -       -      +
     89A  MSE      3.3     3.8    -      -       -      -
     90A  MSE      2.8    60.7    +      -       +      +
     92A  VAL*     4.1    21.1    -      -       +      -
      7B  ILE*     4.7    18.2    -      -       +      -
     54B  ASN*     5.6     0.9    -      -       +      -
     56B  VAL*     3.5    32.1    -      -       +      -
     90B  MSE      5.3     0.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 8 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6A  TRP*     4.1    14.8    -      -       -      +
      7A  ILE*     1.3    74.4    -      -       -      +
      9A  GLN*     1.3    63.7    +      -       -      +
     10A  VAL*     4.1    12.3    -      -       +      -
     21A  TYR*     6.1     1.1    -      -       -      +
     53A  ARG      3.8     0.5    -      -       -      +
     54A  ASN*     3.3     4.9    -      -       -      +
     55A  VAL*     2.9    48.1    +      -       +      +
     88A  GLU      3.5     4.5    -      -       -      -
     89A  MSE      3.6    20.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 9 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7A  ILE*     4.4    10.6    -      -       +      +
      8A  ALA*     1.3    77.9    -      -       -      +
     10A  VAL*     1.3    59.0    +      -       -      +
     49A  THR      5.9     0.8    +      -       -      -
     50A  ALA*     5.7     2.2    -      -       -      +
     51A  ARG*     3.5    22.0    -      -       +      +
     53A  ARG      3.5     4.7    -      -       -      -
     54A  ASN*     3.6    15.1    +      -       -      +
     87A  ALA*     3.1     5.0    -      -       -      -
     88A  GLU*     2.8    55.0    +      -       -      +
     90A  MSE      4.1     9.2    -      -       -      +
      9B  GLN*     3.0    41.8    +      -       -      +
     88B  GLU*     6.1     0.2    -      -       -      +
     90B  MSE      4.0    17.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 10 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8A  ALA*     4.2    13.9    -      -       +      +
      9A  GLN*     1.3    85.2    -      -       -      +
     11A  ASP*     1.3    61.8    +      -       -      +
     12A  VAL*     3.8     6.6    +      -       +      -
     18A  TYR*     3.7    31.4    -      -       +      +
     51A  ARG*     3.6     7.3    -      -       -      +
     52A  ALA      3.6     2.3    +      -       -      -
     53A  ARG*     2.7    53.0    +      -       +      +
     55A  VAL*     5.2     2.2    -      -       +      -
     81A  ARG*     4.9     4.3    -      -       -      -
     85A  ALA*     3.6    27.4    -      -       +      -
     86A  ASP      3.4     5.8    -      -       -      +
     87A  ALA*     4.1    12.8    -      -       +      -
     89A  MSE      5.6     0.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 11 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  VAL*     1.3    71.7    -      -       -      +
     12A  VAL*     1.3    62.3    +      -       -      +
     13A  ARG*     3.8     2.1    +      -       -      +
     50A  ALA      5.0     0.2    -      -       -      +
     51A  ARG*     2.8    44.4    +      -       -      +
     52A  ALA*     2.9    30.7    +      -       -      +
     85A  ALA*     3.3     4.0    -      -       -      +
     86A  ASP*     2.9    34.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 12 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  VAL*     3.8    14.8    +      -       +      +
     11A  ASP*     1.3    75.4    -      -       -      +
     13A  ARG*     1.3    63.0    +      -       -      +
     14A  ASP      3.7    17.5    -      -       -      +
     15A  SER*     3.7    10.1    -      -       -      +
     18A  TYR*     3.6    54.5    -      -       +      -
     52A  ALA*     5.9     1.2    -      -       -      +
     53A  ARG*     4.4    12.3    -      -       +      -
     84A  VAL      4.4     1.1    -      -       -      +
     85A  ALA*     4.0     3.6    -      -       -      -
----------------------------------------------------------
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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