Contacts of the strand formed by residues 40 - 45 (chain S) in PDB entry 2FRV


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 ILE 40 (chain S).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6S  ARG*     3.0    24.3    +      -       -      -
      7S  PRO*     3.3    11.2    -      -       +      +
      9S  VAL*     3.8    30.7    -      -       +      -
     35S  LEU*     2.9    29.4    +      -       +      +
     36S  ILE*     3.3    30.6    -      -       +      +
     39S  VAL*     1.3    82.6    -      -       +      +
     41S  SER*     1.3    65.5    -      -       -      +
     42S  MET*     4.1    19.1    -      -       +      +
    159S  VAL*     4.0    15.9    -      -       +      -
    163S  LEU*     3.9    21.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with SER 41 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    166L  GLN*     3.4    43.7    +      -       -      +
    168L  GLY*     4.5     2.9    -      -       -      -
      6S  ARG*     3.8    14.6    +      -       -      +
      7S  PRO      2.5    16.7    +      -       -      -
      9S  VAL      2.9    27.9    +      -       -      -
     40S  ILE*     1.3    76.4    -      -       -      +
     42S  MET*     1.3    58.0    +      -       -      +
     43S  ASP*     2.7    29.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with MET 42 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    168L  GLY*     3.1    25.8    -      -       -      -
    169L  ILE*     3.4    15.9    +      -       +      +
      9S  VAL*     3.9    16.2    -      -       +      +
     11S  TYR*     4.1    17.7    -      -       +      -
     24S  VAL*     6.0     4.9    -      -       +      -
     35S  LEU*     5.9     1.3    -      -       +      -
     36S  ILE*     4.1    35.0    +      -       +      +
     40S  ILE*     3.9    21.7    +      -       +      +
     41S  SER*     1.3    68.8    +      -       -      +
     43S  ASP*     1.3    60.7    +      -       -      +
     44S  TYR      4.0    15.3    -      -       -      +
     45S  HIS*     3.8    37.9    -      -       +      -
     48S  LEU*     5.8     2.7    -      -       +      -
    155S  PHE*     6.4     1.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 43 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    166L  GLN*     5.0     4.4    +      -       -      +
    168L  GLY*     3.8    13.4    +      -       -      +
    171L  THR*     4.8     2.4    +      -       -      -
      8S  SER*     2.6    30.8    +      -       -      +
      9S  VAL      2.9    12.6    +      -       -      +
     10S  VAL*     4.4     0.7    -      -       +      -
     41S  SER*     2.7    32.0    +      -       -      -
     42S  MET*     1.3    74.3    -      -       -      +
     44S  TYR*     1.3    60.2    +      -       -      +
     49S  MET*     3.0    20.0    -      -       -      +
     59S  ALA*     4.5     9.9    -      -       -      +
     63S  ALA*     4.0    24.0    -      -       +      +
----------------------------------------------------------
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Residues in contact with TYR 44 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13L  PRO*     4.1     2.6    -      -       -      +
      9S  VAL      3.7     3.0    +      -       -      -
     10S  VAL*     4.3    10.3    -      -       +      -
     11S  TYR*     2.9    48.4    +      -       -      +
     12S  LEU*     4.2     9.4    -      -       +      -
     42S  MET*     3.5     3.5    -      -       -      +
     43S  ASP*     1.3    78.8    -      -       -      +
     45S  HIS*     1.3    64.0    +      -       -      +
     46S  GLU*     3.4    38.6    +      -       +      +
     49S  MET*     4.0    12.6    -      -       +      -
     56S  VAL*     3.5    32.3    -      -       +      -
     57S  GLU*     2.8    26.0    +      -       -      -
     60S  LEU*     3.6    54.5    -      -       +      +
     87S  VAL*     4.7     2.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 45 (chain S). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    169L  ILE*     4.4     7.1    -      -       +      +
     11S  TYR*     3.6    39.9    -      +       +      -
     13S  HIS*     3.1    32.7    +      +       -      -
     21S  SER*     3.8    11.8    +      -       -      -
     24S  VAL*     6.3     0.4    -      -       -      +
     25S  LEU*     6.1     1.4    -      -       -      +
     42S  MET*     3.8    29.6    -      -       +      -
     44S  TYR*     1.3    76.9    -      -       -      +
     46S  GLU*     1.3    60.7    +      -       -      +
     47S  THR*     3.1    22.1    +      -       -      -
     48S  LEU*     3.1    28.9    +      -       +      +
     49S  MET*     3.2    22.4    +      -       -      +
----------------------------------------------------------
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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