Contacts of the strand formed by residues 235 - 240 (chain D) in PDB entry 1FP1


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 LYS 235 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    211D  SER      2.8    18.7    +      -       -      +
    212D  THR*     3.3    16.4    -      -       +      +
    213D  LEU      2.9    23.7    +      -       -      +
    233D  LEU      4.4     9.4    -      -       -      +
    234D  ILE*     1.3    72.8    -      -       -      +
    236D  GLY*     1.3    62.9    +      -       -      +
    237D  ILE*     5.4     1.1    -      -       +      -
    253D  GLY*     4.4     8.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 236 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    213D  LEU      3.5     6.3    -      -       -      -
    224D  LEU*     4.0    11.4    -      -       -      -
    228D  ILE*     3.5    22.1    -      -       -      +
    234D  ILE*     4.7     0.7    -      -       -      -
    235D  LYS*     1.3    73.5    -      -       -      +
    237D  ILE*     1.3    65.7    +      -       -      +
    253D  GLY      3.3    12.5    +      -       -      +
    254D  ILE*     3.4     2.3    -      -       -      -
    255D  GLU*     2.8    26.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 237 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212D  THR*     4.0    23.8    -      -       +      -
    213D  LEU      2.9    12.0    +      -       -      +
    214D  VAL*     3.3    11.1    -      -       +      +
    215D  ASP      2.8    27.7    +      -       -      -
    224D  LEU*     3.5     2.4    -      -       -      +
    235D  LYS*     5.4     0.9    -      -       +      -
    236D  GLY*     1.3    77.4    -      -       -      +
    238D  ASN*     1.3    63.2    +      -       -      +
    239D  PHE      3.5     0.7    +      -       -      -
    255D  GLU*     3.3    21.3    -      -       +      +
    257D  VAL*     3.8    27.8    -      -       +      -
    266D  PRO*     4.0    23.1    -      -       +      -
    267D  GLN      4.1    11.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 238 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    215D  ASP*     4.0     6.8    -      -       -      +
    218D  GLY*     3.1    38.4    -      -       -      -
    219D  GLY      2.9    20.9    -      -       -      +
    221D  GLY*     3.4    18.4    +      -       -      -
    224D  LEU*     3.6     7.8    -      -       +      +
    236D  GLY      4.1     0.2    -      -       -      -
    237D  ILE*     1.3    70.3    -      -       -      +
    239D  PHE*     1.3    58.5    +      -       -      +
    245D  ILE*     3.8     6.7    -      -       -      +
    254D  ILE*     3.9    13.4    -      -       +      +
    255D  GLU      2.9     7.5    +      -       -      +
    256D  HIS*     3.2    29.5    +      -       +      +
    257D  VAL      2.8    27.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 239 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    214D  VAL*     4.1    16.2    -      -       +      -
    215D  ASP      2.9    15.2    +      -       -      +
    216D  VAL*     4.3    17.7    -      -       +      -
    217D  GLY      2.6    32.6    +      -       -      -
    218D  GLY      3.0     6.4    +      -       -      -
    237D  ILE*     3.5     1.3    +      -       +      -
    238D  ASN*     1.3    73.7    -      -       -      +
    240D  ASP*     1.3    57.6    +      -       -      +
    257D  VAL*     3.1    27.4    -      -       +      -
    258D  GLY      4.2     0.2    -      -       -      -
    259D  GLY*     3.5    22.0    -      -       -      -
    260D  ASP      3.5    18.8    -      -       -      -
    261D  MET*     3.8    24.5    -      -       +      -
    264D  SER      3.4    23.3    -      -       -      -
    265D  VAL*     4.3     2.5    -      -       +      -
    266D  PRO*     3.5    33.4    -      -       +      -
   1699D  SAH      4.4     4.9    -      +       -      -
----------------------------------------------------------
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Residues in contact with ASP 240 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    217D  GLY*     3.3     8.0    -      -       -      -
    219D  GLY      2.8    22.5    +      -       -      +
    239D  PHE*     1.3    74.8    -      -       -      +
    241D  LEU*     1.3    77.5    +      -       -      +
    244D  VAL*     3.4    17.2    -      -       +      +
    245D  ILE*     3.8    17.8    -      -       +      +
    257D  VAL      3.2     5.3    +      -       -      -
    258D  GLY*     3.2     5.9    -      -       -      -
    259D  GLY      2.8    23.2    +      -       -      -
   1699D  SAH      2.3    63.9    +      -       -      -
----------------------------------------------------------
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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