Contacts of the strand formed by residues 237 - 250 (chain A) in PDB entry 1DG6


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 237 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    192A  PHE*     3.2    20.6    -      -       -      +
    193A  GLN*     4.1    10.8    -      -       +      +
    194A  GLU*     4.0     3.1    -      -       -      +
    230A  CYS*     6.1     1.0    -      -       -      +
    235A  ALA*     3.6     8.3    -      -       -      +
    236A  GLU*     1.3    93.6    +      -       +      +
    238A  GLY*     1.3    62.6    +      -       -      +
    239A  LEU*     4.0    34.8    -      -       +      -
    240A  TYR*     5.2     1.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 238 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    191A  ARG*     3.3     5.2    -      -       -      -
    192A  PHE*     2.8    43.2    +      -       -      +
    237A  TYR*     1.3    77.3    -      -       -      +
    239A  LEU*     1.3    66.3    -      -       -      +
    240A  TYR*     3.4    26.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 239 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    189A  TYR*     3.4    28.0    -      -       +      +
    190A  PHE      3.7     3.1    -      -       -      -
    191A  ARG*     4.1    16.4    -      -       +      -
    237A  TYR*     4.0    28.9    -      -       +      -
    238A  GLY*     1.3    83.6    -      -       -      +
    240A  TYR*     1.3    71.2    +      -       -      +
    241A  SER      4.0     2.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with TYR 240 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    189A  TYR*     4.0     1.2    -      -       -      -
    190A  PHE*     2.8    41.6    +      -       +      +
    192A  PHE*     3.7    15.2    -      +       -      -
    206A  MET*     3.6    35.4    -      -       +      -
    227A  ARG*     3.8    33.4    -      -       +      -
    228A  ASN      3.8    14.4    -      -       -      -
    229A  SER*     3.5     6.9    -      -       -      -
    230A  CYS*     3.0    31.5    +      -       -      +
    237A  TYR      5.2     0.9    +      -       -      -
    238A  GLY*     3.4    28.9    -      -       -      -
    239A  LEU*     1.3    82.0    -      -       -      +
    241A  SER*     1.3    63.7    +      -       -      +
    242A  ILE*     3.6     3.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with SER 241 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    187A  GLN*     4.2    22.9    +      -       -      -
    188A  THR      3.7     5.6    -      -       -      -
    189A  TYR*     3.2    27.3    -      -       -      +
    227A  ARG*     5.9     1.0    -      -       -      +
    239A  LEU      4.0     1.2    -      -       -      -
    240A  TYR*     1.3    73.5    -      -       -      +
    242A  ILE*     1.3    61.2    +      -       -      +
    243A  TYR      4.2     0.9    +      -       -      -
    272A  ALA*     5.2     1.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 242 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    187A  GLN*     3.1     2.9    -      -       -      -
    188A  THR*     2.8    42.6    +      -       -      +
    190A  PHE*     3.7    21.3    -      -       +      -
    206A  MET*     3.5    28.9    -      -       +      +
    207A  VAL      4.7     0.2    -      -       -      +
    208A  GLN*     3.0    16.7    +      -       +      +
    225A  SER*     2.8    42.8    -      -       -      +
    226A  ALA      4.6     0.7    -      -       -      -
    227A  ARG*     4.3    24.2    -      -       +      +
    240A  TYR*     4.1     8.7    -      -       +      +
    241A  SER*     1.3    77.4    -      -       -      +
    243A  TYR*     1.3    62.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 243 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    183A  TYR*     2.7    30.2    +      -       -      -
    185A  TYR*     3.2    38.1    -      +       +      +
    186A  SER      3.3    11.7    -      -       -      -
    187A  GLN*     3.8    28.3    -      -       +      +
    225A  SER*     5.0     1.9    -      -       -      -
    241A  SER      4.1     2.2    +      -       -      -
    242A  ILE*     1.3    79.0    -      -       -      +
    244A  GLN*     1.3    76.6    +      -       -      +
    245A  GLY      3.9     1.1    -      -       -      -
    274A  PHE*     4.6     7.0    -      +       -      -
----------------------------------------------------------
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Residues in contact with GLN 244 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    185A  TYR*     3.2     4.2    -      -       -      +
    186A  SER      3.0    29.5    +      -       -      +
    208A  GLN*     2.9    48.4    +      -       -      +
    210A  ILE*     3.8    12.2    -      -       +      +
    223A  MET*     3.4    26.9    +      -       +      +
    224A  LYS      3.1    26.9    +      -       -      +
    225A  SER*     3.3    15.8    +      -       -      +
    243A  TYR*     1.3    86.4    -      -       -      +
    245A  GLY*     1.3    60.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 245 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    183A  TYR*     3.6    19.6    +      -       -      -
    184A  ILE      2.9    14.8    -      -       -      -
    185A  TYR*     3.9     0.7    -      -       -      -
    223A  MET*     3.3    14.5    -      -       -      +
    243A  TYR*     3.9     3.8    -      -       -      -
    244A  GLN*     1.3    78.5    -      -       -      +
    246A  GLY*     1.3    58.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 246 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    182A  TYR      3.5     1.2    -      -       -      +
    183A  TYR*     3.5    15.0    -      -       -      -
    184A  ILE      2.9    28.7    +      -       -      +
    223A  MET*     3.4     8.9    -      -       -      -
    245A  GLY*     1.3    74.5    -      -       -      -
    247A  ILE*     1.3    62.4    +      -       -      -
    248A  PHE*     3.5    13.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 247 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181A  PHE*     3.9    29.2    -      -       +      -
    182A  TYR      3.2    13.0    -      -       -      +
    183A  TYR*     4.1    19.1    -      -       +      -
    246A  GLY*     1.3    73.5    -      -       -      -
    248A  PHE*     1.3    76.3    +      -       -      +
    280A  VAL*     4.2    15.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 248 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181A  PHE*     4.4     3.4    -      -       -      -
    182A  TYR*     2.8    31.1    +      -       -      +
    184A  ILE*     4.0    24.0    -      -       +      -
    222A  LEU*     3.6    42.8    -      -       +      -
    223A  MET*     3.5    42.0    -      -       +      -
    246A  GLY*     3.5    22.7    -      -       -      -
    247A  ILE*     1.3    79.2    -      -       -      +
    249A  GLU*     1.3    65.3    +      -       -      +
    250A  LEU*     3.5    11.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 249 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    180A  GLY*     3.6    18.0    -      -       -      +
    181A  PHE*     3.2    41.1    -      -       +      -
    212A  LYS*     4.2    12.6    +      -       -      -
    248A  PHE*     1.3    72.3    -      -       -      +
    250A  LEU*     1.3    75.4    +      -       -      +
    251A  LYS*     5.7     7.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 250 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    176A  ILE*     3.7    37.9    -      -       +      -
    179A  LYS*     3.3     4.1    -      -       -      +
    180A  GLY      2.8    32.8    +      -       -      -
    182A  TYR*     3.7    28.5    -      -       +      -
    184A  ILE*     4.0    10.3    -      -       +      -
    212A  LYS*     3.8    17.9    -      -       +      +
    222A  LEU*     4.9     0.9    -      -       +      -
    248A  PHE*     3.9    19.7    -      -       +      +
    249A  GLU*     1.3    87.8    -      -       -      +
    251A  LYS*     1.3    64.2    +      -       -      +
    254A  ASP*     3.6     4.5    -      -       +      +
    256A  ILE*     3.7    28.3    -      -       +      -
----------------------------------------------------------
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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