Contacts of the strand formed by residues 234 - 242 (chain U) in PDB entry 2FD6


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 GLN 234 (chain U).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    200U  ASN*     5.8     0.9    -      -       -      +
    228U  THR*     3.0    21.0    -      -       -      -
    229U  HIS      3.1     8.7    +      -       -      +
    230U  GLU*     3.0    53.1    -      -       +      +
    231U  PRO*     3.3     4.1    -      -       -      +
    232U  LYS*     2.9    67.3    +      -       -      +
    233U  ASN*     1.3    74.1    -      -       -      +
    235U  SER*     1.3    67.0    +      -       -      +
    236U  TYR*     4.1     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 235 (chain U). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    199U  GLY      3.9     1.9    -      -       -      +
    200U  ASN*     3.0    30.8    +      -       -      +
    226U  THR*     5.6     4.7    -      -       -      -
    227U  GLY      3.3     9.4    -      -       -      -
    228U  THR*     4.9     0.4    -      -       -      -
    230U  GLU*     5.1     1.4    -      -       -      +
    233U  ASN      3.2     6.0    +      -       -      -
    234U  GLN*     1.3    73.8    -      -       -      +
    236U  TYR*     1.3    63.6    +      -       -      +
    400U  NDG      3.9    12.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 236 (chain U). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198U  LYS*     4.0    19.6    -      -       -      +
    199U  GLY*     3.4    36.6    -      -       -      -
    200U  ASN*     5.4     0.2    -      -       -      -
    225U  ALA      4.4     0.2    -      -       -      -
    226U  THR*     3.3     9.2    -      -       -      +
    227U  GLY      2.8    27.8    +      -       -      +
    229U  HIS*     3.3    53.6    +      +       +      +
    230U  GLU*     5.1     8.5    -      -       +      +
    234U  GLN      3.2     0.2    +      -       -      -
    235U  SER*     1.3    76.7    -      -       -      +
    237U  MET*     1.3    69.6    +      -       -      +
    238U  VAL*     3.8    16.1    -      -       +      +
    256U  PHE      4.0    10.8    -      -       -      -
    258U  MET*     3.4    31.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 237 (chain U). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    198U  LYS*     3.3     2.1    -      -       -      -
    199U  GLY      2.9    35.5    +      -       -      +
    200U  ASN*     4.8     1.8    -      -       -      -
    201U  SER*     3.8    26.5    -      -       -      +
    205U  CYS*     3.3    35.4    -      -       -      -
    224U  VAL*     4.5     4.7    -      -       +      -
    225U  ALA      3.0    12.6    -      -       -      +
    226U  THR*     3.9    18.4    -      -       +      +
    236U  TYR*     1.3    80.3    -      -       -      +
    238U  VAL*     1.3    76.1    +      -       -      +
    239U  ARG*     3.6    31.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 238 (chain U). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159U  PHE*     3.8    17.5    -      -       +      -
    161U  ASN*     3.5    24.9    -      -       -      +
    197U  CYS      3.6     7.0    -      -       -      +
    198U  LYS*     4.9     4.3    -      -       +      -
    223U  LEU*     4.0     2.7    -      -       -      +
    224U  VAL*     3.4     3.8    -      -       -      +
    225U  ALA*     2.8    31.9    +      -       +      +
    236U  TYR*     3.8    20.2    -      -       +      +
    237U  MET*     1.3    83.1    -      -       -      +
    239U  ARG*     1.3    67.2    +      -       -      +
    256U  PHE*     4.3    16.8    -      -       +      +
    258U  MET*     3.7    20.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 239 (chain U). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159U  PHE*     4.0     4.7    -      -       -      -
    161U  ASN*     3.3    22.0    +      -       -      +
    195U  TYR*     3.3    15.5    -      -       -      +
    196U  SER*     3.4     8.5    -      -       -      -
    197U  CYS*     3.2    34.5    +      -       -      +
    201U  SER*     5.9     0.6    -      -       -      -
    205U  CYS*     4.5     0.8    +      -       -      -
    210U  THR*     4.5     8.1    -      -       -      -
    223U  LEU*     3.2    13.7    -      -       -      +
    224U  VAL*     3.3    26.6    -      -       +      +
    237U  MET*     3.6    30.6    -      -       +      +
    238U  VAL*     1.3    80.5    -      -       -      +
    240U  GLY*     1.3    59.4    +      -       -      +
    272U  ASN*     2.7    37.7    +      -       -      +
    273U  HIS      3.6    10.7    +      -       -      -
    274U  PRO*     3.7    29.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 240 (chain U). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159U  PHE*     3.7    13.8    -      -       -      -
    160U  HIS      3.7     7.2    -      -       -      -
    161U  ASN*     3.9     3.4    -      -       -      -
    194U  CYS*     3.7     3.9    -      -       -      +
    195U  TYR      3.2    12.2    +      -       -      -
    213U  ILE*     4.3     5.4    -      -       -      -
    222U  CYS*     3.6     3.1    -      -       -      -
    223U  LEU      2.8    29.0    +      -       -      -
    239U  ARG*     1.3    75.2    -      -       -      +
    241U  CYS*     1.3    63.7    +      -       -      -
    272U  ASN*     3.5     4.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 241 (chain U). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    159U  PHE*     3.1     6.6    -      -       -      -
    160U  HIS*     3.0    50.8    +      -       +      -
    194U  CYS*     3.9     6.3    -      -       -      -
    213U  ILE*     3.9    21.1    -      -       -      -
    215U  CYS*     2.0    60.1    -      -       +      -
    219U  MET*     3.9     4.7    -      -       -      +
    221U  GLN      3.3     4.5    -      -       -      -
    240U  GLY*     1.3    73.2    -      -       -      -
    242U  ALA*     1.3    64.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 242 (chain U). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    158U  GLY      3.3    12.1    -      -       -      +
    159U  PHE*     4.0     4.5    -      -       +      -
    219U  MET*     3.6     8.2    -      -       -      +
    220U  ASN      3.1     6.4    +      -       -      -
    221U  GLN*     2.7    39.8    +      -       +      +
    223U  LEU*     3.7    35.0    -      -       +      -
    241U  CYS*     1.3    76.3    -      -       -      +
    243U  THR*     1.3    68.0    +      -       -      +
    246U  MET*     3.9     4.7    -      -       +      -
    247U  CYS*     5.2     0.2    -      -       -      -
----------------------------------------------------------
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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