Contacts of the strand formed by residues 235 - 246 (chain A) in PDB entry 3URF


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 TYR 235 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    233A  THR*     4.0    13.1    +      -       -      +
    234A  GLU*     1.3    78.4    -      -       +      +
    236A  LEU*     1.3    65.3    -      -       -      +
    262A  LYS      3.4     3.4    -      -       -      +
    263A  TYR*     3.4    59.2    +      +       +      -
----------------------------------------------------------
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Residues in contact with LEU 236 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    231A  LEU*     4.1     7.9    -      -       +      -
    233A  THR*     3.7    32.5    -      -       +      +
    234A  GLU      4.0     7.0    -      -       -      +
    235A  TYR*     1.3    74.3    -      -       -      +
    237A  GLN*     1.3    61.3    +      -       -      +
    238A  LEU*     3.9    19.2    +      -       +      -
    261A  THR*     3.2     6.2    -      -       -      -
    262A  LYS*     2.8    41.0    +      -       +      +
    264A  TRP*     3.4    43.1    -      -       +      -
    295A  ASN*     4.0    20.4    -      -       -      +
    298A  LEU*     3.9    17.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 237 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    236A  LEU*     1.3    73.9    -      -       -      +
    238A  LEU*     1.3    55.7    +      -       -      +
    239A  MET*     4.4     5.8    -      -       +      +
    260A  SER      4.0     2.7    -      -       -      -
    261A  THR*     4.1    18.4    -      -       +      +
    294A  SER*     2.7    21.1    +      -       -      -
    295A  ASN*     2.9    21.7    +      -       -      +
     93Z  GLU*     3.0    27.3    -      -       -      +
     94Z  ILE*     3.2    25.2    -      -       +      +
     95Z  GLU*     2.8    41.8    -      -       -      +
     96Z  PHE*     3.7    15.6    +      -       +      -
     98Z  LEU*     4.5     7.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 238 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222A  PHE*     3.9    30.7    -      -       +      -
    236A  LEU*     4.0    19.1    -      -       +      +
    237A  GLN*     1.3    80.4    -      -       -      +
    239A  MET*     1.3    61.2    +      -       -      +
    259A  GLY*     3.0     5.7    -      -       -      -
    260A  SER      2.9    42.7    +      -       -      +
    262A  LYS*     4.2    12.3    -      -       +      -
    264A  TRP*     3.7    33.7    -      -       +      -
    273A  TYR*     3.8    26.9    -      -       +      -
    275A  ILE*     3.5     4.5    -      -       -      +
    294A  SER*     3.5     0.7    -      -       -      -
    295A  ASN*     3.9    20.0    -      -       +      +
    298A  LEU*     4.3     2.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 239 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222A  PHE*     4.1     3.6    -      -       -      -
    237A  GLN*     4.3     5.8    -      -       +      -
    238A  LEU*     1.3    88.3    -      -       -      +
    240A  VAL*     1.3    59.7    +      -       -      +
    241A  TYR*     3.6    21.3    -      -       +      +
    257A  LYS*     3.9    18.4    -      -       +      -
    258A  GLY      3.1    24.2    -      -       -      +
    259A  GLY*     3.9     8.5    -      -       -      +
    260A  SER*     3.9     8.5    -      -       -      +
    261A  THR*     6.4     0.9    -      -       -      -
    275A  ILE*     3.8     4.9    -      -       -      +
    293A  VAL*     3.2    27.6    -      -       -      +
    294A  SER*     2.8    15.3    +      -       -      +
     94Z  ILE*     3.7    22.2    -      -       +      -
     95Z  GLU*     3.6    26.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 240 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    218A  ALA*     4.8     3.6    -      -       +      +
    220A  ILE*     3.7    28.5    -      -       +      -
    239A  MET*     1.3    74.1    -      -       -      +
    241A  TYR*     1.3    75.8    +      -       -      +
    242A  VAL*     4.6     9.9    -      -       +      -
    257A  LYS*     3.4     4.9    -      -       -      +
    258A  GLY      2.7    40.2    +      -       -      +
    275A  ILE*     3.6    35.0    -      -       +      -
    277A  VAL*     4.4    13.2    -      -       +      -
    291A  ILE*     4.1    11.4    -      -       +      -
    292A  GLU      3.4    10.1    -      -       -      +
    293A  VAL*     4.1     4.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 241 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181A  LYS*     3.4    45.4    -      -       +      -
    239A  MET*     3.6    25.1    -      -       +      +
    240A  VAL*     1.3    77.5    -      -       -      +
    242A  VAL*     1.3    64.1    +      -       -      +
    243A  THR*     3.9     8.4    +      -       +      +
    254A  THR*     4.2    23.6    -      -       +      -
    256A  MET      3.4     3.8    -      -       -      -
    257A  LYS*     3.8    16.6    -      -       +      -
    290A  SER      3.6     0.7    -      -       -      +
    291A  ILE*     3.5     4.9    -      -       -      -
    292A  GLU*     2.8    53.5    +      -       +      +
    293A  VAL*     5.2     1.3    -      -       -      -
    294A  SER      5.2     0.9    -      -       -      -
     94Z  ILE*     3.5     9.3    -      -       +      +
     95Z  GLU*     2.5    43.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 242 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    216A  LEU*     4.8     3.6    -      -       +      -
    217A  TYR      5.6     0.9    -      -       -      +
    218A  ALA*     4.1     8.1    -      -       +      -
    240A  VAL*     4.6     2.5    -      -       +      -
    241A  TYR*     1.3    73.4    -      -       -      +
    243A  THR*     1.3    56.7    +      -       -      +
    254A  THR*     3.5     2.9    -      -       -      +
    255A  LEU*     2.7    40.0    +      -       +      -
    256A  MET*     2.8    47.4    +      -       +      +
    277A  VAL*     4.0    20.2    -      -       +      -
    289A  ILE*     3.5    27.1    -      -       +      -
    290A  SER      3.5     4.7    -      -       -      +
    291A  ILE*     3.7    20.4    -      -       +      -
    308A  PHE*     5.6     1.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 243 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    241A  TYR*     4.4     9.2    -      -       +      +
    242A  VAL*     1.3    78.8    -      -       -      +
    244A  LYS*     1.3    60.3    +      -       -      +
    245A  THR*     4.6     1.6    +      -       -      -
    252A  SER*     4.4    16.9    -      -       -      +
    253A  HIS      3.3     8.7    -      -       -      +
    254A  THR*     4.1    22.2    -      -       +      +
    255A  LEU*     4.3     3.8    -      -       -      -
    288A  GLU      3.3     0.9    -      -       -      +
    289A  ILE*     3.2     9.5    -      -       -      +
    290A  SER*     2.7    63.0    +      -       -      -
    292A  GLU*     3.9    25.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 244 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    243A  THR*     1.3    72.0    -      -       -      +
    245A  THR*     1.3    68.6    +      -       -      +
    249A  ILE*     6.5     0.7    -      -       +      -
    251A  SER      4.2     0.9    -      -       -      +
    252A  SER*     3.6     0.9    -      -       -      -
    253A  HIS*     2.8    38.5    +      -       +      +
    255A  LEU*     3.8    36.6    -      -       +      +
    281A  PHE*     5.4     2.4    -      -       -      +
    282A  LYS      3.6    17.9    +      -       -      +
    283A  LEU*     3.7    15.4    -      -       +      +
    287A  GLU*     3.1    42.2    -      -       +      +
    288A  GLU      3.3     6.3    -      -       -      +
    289A  ILE*     4.6     3.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 245 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205A  LYS*     4.4    17.2    +      -       -      -
    244A  LYS*     1.3    79.4    +      -       -      +
    246A  SER*     1.3    79.5    +      -       -      +
    249A  ILE*     3.9     4.0    -      -       -      +
    250A  PRO*     3.3    27.6    -      -       +      +
    251A  SER      4.5     2.7    -      -       -      +
    252A  SER*     3.8    14.3    -      -       -      -
    287A  GLU*     3.5     4.9    -      -       -      +
    288A  GLU*     2.9    43.6    +      -       -      +
    290A  SER*     4.1    12.5    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 246 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    245A  THR*     1.3    83.5    -      -       -      +
    247A  ILE*     1.3    58.3    +      -       -      +
    248A  LYS*     2.9    15.9    +      -       -      +
    249A  ILE*     2.8    58.2    +      -       -      +
    250A  PRO*     3.5     5.9    -      -       -      +
    286A  GLY      4.1    12.6    -      -       -      -
    287A  GLU*     4.5    15.9    -      -       -      -
    288A  GLU*     4.1     6.1    -      -       -      -
----------------------------------------------------------
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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