Contacts of the strand formed by residues 371 - 375 (chain X) in PDB entry 3F6E


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 371 (chain X).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     60X  ALA*     5.8     0.7    -      -       +      -
    370X  ALA*     1.3    72.5    -      -       -      +
    372X  TYR*     1.3    67.7    +      -       -      +
    373X  LEU*     4.3     4.3    -      -       +      -
    393X  GLY      3.3    27.6    -      -       -      +
    394X  SER      3.7     5.6    -      -       -      -
    396X  TYR*     3.8    14.6    -      -       +      -
    413X  VAL*     3.7    34.3    -      -       +      -
    417X  GLU*     3.7    20.6    -      -       +      -
    420X  ARG*     3.5    41.3    -      -       +      +
    421X  GLN      2.8     6.3    +      -       -      -
    422X  VAL*     3.3    12.8    -      -       +      +
    423X  ILE*     2.8    26.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 372 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    362X  LEU*     3.9    15.8    +      -       +      -
    363X  ASN*     4.4     5.5    +      -       -      -
    366X  ALA*     3.4    21.7    -      -       -      +
    367X  PRO      5.0     0.7    +      -       -      -
    370X  ALA*     4.0    19.7    -      -       +      +
    371X  ILE*     1.3    76.6    -      -       -      +
    373X  LEU*     1.3    65.5    +      -       -      +
    383X  MET*     3.9    17.9    -      -       +      -
    387X  LEU*     3.6    45.4    -      -       +      +
    388X  ASN      4.9     5.0    +      -       -      -
    389X  MET*     4.0    19.1    -      -       +      -
    394X  SER      2.8    16.8    +      -       -      +
    395X  TYR*     3.2     7.5    -      -       +      -
    396X  TYR      3.2    20.1    +      -       -      -
    423X  ILE*     3.2    38.6    -      -       +      +
    425X  VAL*     5.1     3.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 373 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    371X  ILE*     4.3     9.6    -      -       +      -
    372X  TYR*     1.3    78.9    -      -       -      +
    374X  ASN*     1.3    60.6    +      -       -      +
    383X  MET*     3.8     8.1    -      -       -      +
    396X  TYR*     3.2    29.2    -      -       +      +
    405X  PHE*     4.3     1.6    -      -       +      -
    406X  ALA*     3.7    22.4    -      -       +      +
    409X  ALA*     3.8    16.2    -      -       +      +
    410X  ALA*     3.5    30.1    -      -       +      +
    413X  VAL*     4.4     6.3    -      -       +      -
    422X  VAL*     3.4    32.3    -      -       +      -
    423X  ILE      3.1     7.6    +      -       -      +
    424X  ALA*     4.2     7.2    -      -       +      -
    425X  VAL      2.9    26.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 374 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    373X  LEU*     1.3    72.6    -      -       -      +
    375X  GLU*     1.3    62.6    +      -       -      +
    376X  SER*     2.9    34.6    +      -       -      +
    379X  THR*     5.0     0.2    +      -       -      -
    380X  THR*     3.0    30.0    +      -       -      +
    383X  MET*     3.6    25.2    -      -       -      +
    395X  TYR*     3.0    32.8    +      -       +      +
    396X  TYR      2.9     7.4    +      -       -      +
    397X  PHE*     2.9    34.3    -      -       +      -
    398X  CYS      4.5     0.7    +      -       -      -
    406X  ALA*     4.2     5.0    -      -       -      +
    425X  VAL      3.6     2.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 375 (chain X). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    373X  LEU      4.1     0.2    -      -       -      -
    374X  ASN*     1.3    73.7    -      -       -      +
    376X  SER*     1.3    54.4    -      -       -      +
    377X  THR*     3.6     4.1    +      -       -      -
    397X  PHE*     4.2     4.7    -      -       -      -
    398X  CYS*     4.0    10.0    -      -       -      +
    403X  LEU*     3.6    19.0    -      -       +      -
    404X  GLY*     2.7    29.0    +      -       -      -
    405X  PHE*     3.1    14.6    +      -       -      +
    406X  ALA*     3.0    38.6    +      -       +      +
    407X  LEU*     5.1     1.6    +      -       -      +
    425X  VAL      2.8     9.2    +      -       -      -
    426X  ILE*     4.3     8.8    -      -       +      +
    427X  GLY*     2.8    24.3    +      -       -      -
    430X  SER*     3.2    40.0    +      -       -      +
----------------------------------------------------------
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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