Contacts of the strand formed by residues 225 - 230 (chain E) in PDB entry 4KZZ


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 225 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    125E  LYS*     4.0    16.0    +      -       -      +
    157E  ASN      5.7     0.5    -      -       -      +
    175E  PHE*     4.9     7.9    -      -       +      -
    181E  CYS*     3.0    35.9    -      -       +      -
    182E  MET      4.1     2.5    -      -       -      -
    183E  VAL*     5.1     4.3    -      -       +      +
    184E  THR*     5.1     0.4    -      -       -      -
    208E  VAL*     2.0    77.8    -      -       +      +
    210E  VAL*     4.5     6.7    -      -       +      -
    220E  THR*     3.6    17.9    -      -       -      +
    221E  ARG      3.9     3.6    -      -       -      +
    222E  LEU*     3.0    19.4    +      -       +      +
    223E  SER      4.4     1.2    -      -       -      +
    224E  ASN*     1.3    77.2    -      -       -      +
    226E  PHE*     1.3    59.5    +      -       -      +
    227E  VAL*     4.9     2.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 226 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     86E  PHE*     3.6    24.0    -      +       -      -
     87E  MET*     4.2     5.4    -      -       +      -
    123E  LEU*     3.3    23.3    -      -       +      -
    124E  CYS      3.4     1.3    -      -       -      -
    125E  LYS*     3.0    60.3    -      -       +      -
    142E  HIS*     4.2    12.3    -      +       -      -
    159E  THR*     3.5     9.4    -      -       +      -
    181E  CYS*     3.2     7.6    -      -       -      -
    182E  MET*     2.7    49.7    +      -       +      +
    184E  THR*     3.6    13.5    -      -       +      -
    225E  ILE*     1.3    74.1    -      -       -      +
    227E  VAL*     1.3    89.5    +      -       -      +
    228E  ILE*     3.7    12.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 227 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    123E  LEU*     5.3     1.2    -      -       -      +
    157E  ASN      3.7     9.2    +      -       -      +
    158E  ASP*     4.5     0.2    -      -       -      -
    159E  THR*     2.2    83.9    +      -       +      +
    173E  ILE*     4.5    13.7    -      -       +      +
    174E  LYS      4.6     0.2    -      -       -      +
    175E  PHE*     4.4    31.6    -      -       +      -
    179E  ASN*     4.4    11.0    -      -       +      +
    180E  LEU      3.7     7.9    -      -       -      +
    181E  CYS*     4.0    15.5    -      -       -      -
    195E  ILE*     5.2     1.1    -      -       +      -
    225E  ILE*     5.1     0.9    -      -       +      -
    226E  PHE*     1.3    84.1    -      -       -      +
    228E  ILE*     1.3    59.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 228 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     87E  MET*     4.2     5.4    -      -       +      -
    123E  LEU*     4.2     7.1    -      -       +      +
    173E  ILE*     5.2     1.6    -      -       -      -
    180E  LEU*     2.9    48.3    +      -       +      +
    181E  CYS      4.0    14.6    -      -       -      +
    182E  MET*     3.1    49.4    -      -       +      -
    192E  ILE*     4.1     2.0    -      -       +      -
    226E  PHE*     3.7     9.0    -      -       +      +
    227E  VAL*     1.3    79.1    -      -       -      +
    229E  GLY*     1.3    59.6    +      -       -      +
    234E  PRO*     4.7     2.5    -      -       +      -
    235E  TRP*     2.8    35.5    +      -       -      +
    236E  ILE*     4.9     7.4    -      -       +      -
    238E  LEU*     4.1    23.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLY 229 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    173E  ILE*     4.6     9.2    -      -       -      +
    179E  ASN*     3.8     9.4    -      -       -      +
    180E  LEU*     2.8    26.7    +      -       -      +
    227E  VAL*     3.7     2.0    -      -       -      +
    228E  ILE*     1.3    81.4    -      -       -      +
    230E  LYS*     1.3    63.4    +      -       -      +
    233E  LYS      3.7     2.5    -      -       -      -
    235E  TRP*     2.7    26.0    -      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 230 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    172E  PHE      5.5     1.6    +      -       -      -
    173E  ILE*     4.6    21.5    -      -       +      +
    179E  ASN*     4.6    13.4    +      -       -      +
    180E  LEU*     4.0     3.1    -      -       -      +
    229E  GLY*     1.3    76.2    -      -       -      +
    231E  GLY*     1.3    57.7    +      -       -      +
    233E  LYS*     2.4    76.6    +      -       +      +
    235E  TRP*     3.9    11.1    -      -       -      +
----------------------------------------------------------
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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