Contacts of the helix formed by residues 222 - 243 (chain E) in PDB entry 4P9U


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 ASN 222 (chain E).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    219E  TYR      3.8     2.9    -      -       -      +
    220E  PHE      3.1     0.6    -      -       -      -
    221E  SER*     1.3    81.5    -      -       -      +
    223E  PRO*     1.3    70.7    -      -       -      +
    224E  GLN*     3.0    33.7    +      -       -      +
    225E  ALA*     3.0    17.5    +      -       +      +
    226E  ARG*     3.3    14.9    +      -       -      +
    262E  ILE*     4.4     4.0    -      -       -      +
    265E  GLN*     3.5    27.3    +      -       -      +
    266E  MET*     3.6    33.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with PRO 223 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    138E  LEU*     5.3     2.2    -      -       +      +
    221E  SER      3.7     7.6    -      -       -      +
    222E  ASN*     1.3    90.3    -      -       -      +
    224E  GLN*     1.3    58.9    +      -       -      +
    226E  ARG*     3.1    36.4    +      -       +      +
    227E  GLU*     3.0    26.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 224 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    222E  ASN*     3.0    21.8    +      -       -      +
    223E  PRO*     1.3    78.7    -      -       -      +
    225E  ALA*     1.3    59.2    +      -       -      +
    227E  GLU*     4.1     6.5    +      -       -      +
    228E  LEU*     3.6    27.4    +      -       -      +
    262E  ILE*     3.7    13.8    -      -       +      +
    265E  GLN*     4.0    19.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 225 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    219E  TYR*     3.4    50.9    +      -       +      +
    220E  PHE*     4.4     2.9    -      -       +      -
    222E  ASN*     3.0    12.7    +      -       +      +
    224E  GLN*     1.3    77.6    -      -       -      +
    226E  ARG*     1.3    59.9    +      -       -      +
    227E  GLU      3.2     2.0    -      -       -      -
    228E  LEU*     3.3     4.0    +      -       -      +
    229E  ALA*     2.9    29.4    +      -       -      +
    262E  ILE*     3.7    17.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 226 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    138E  LEU*     3.8    25.5    -      -       +      +
    174E  GLU*     5.0    11.3    +      -       -      -
    177E  ILE*     3.7    30.9    -      -       -      +
    178E  ALA      4.8     0.4    -      -       -      +
    181E  PHE*     3.2    45.1    -      -       +      -
    220E  PHE*     2.8    48.1    +      -       +      +
    221E  SER*     3.8    16.6    +      -       -      +
    222E  ASN      3.5     8.7    -      -       -      +
    223E  PRO*     3.1    38.5    +      -       -      +
    225E  ALA*     1.3    77.0    -      -       -      +
    227E  GLU*     1.3    57.0    +      -       -      +
    229E  ALA      3.3     0.2    +      -       -      -
    230E  MET*     3.0    25.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 227 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    138E  LEU*     4.6     3.5    -      -       +      +
    223E  PRO      3.0    14.5    +      -       -      +
    224E  GLN*     4.4     6.5    -      -       -      +
    225E  ALA      3.2     0.2    -      -       -      -
    226E  ARG*     1.3    76.1    -      -       -      +
    228E  LEU*     1.3    73.1    +      -       +      +
    230E  MET*     3.4    17.5    +      -       +      +
    231E  GLU*     3.0    27.3    +      -       +      +
    234E  ARG*     4.7     2.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 228 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    219E  TYR*     5.6     1.1    -      -       -      +
    224E  GLN      3.6    14.5    +      -       -      +
    225E  ALA*     3.3     9.0    +      -       -      +
    227E  GLU*     1.3    89.8    -      -       +      +
    229E  ALA*     1.3    61.1    +      -       -      +
    231E  GLU*     3.7     8.5    -      -       +      +
    232E  PHE*     2.9    29.8    +      -       -      +
    255E  TYR*     3.8    12.7    -      -       +      -
    258E  ALA*     3.7    32.1    -      -       +      -
    259E  SER*     4.7     1.3    -      -       -      +
    262E  ILE*     3.9    20.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 229 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181E  PHE*     3.3    28.9    -      -       +      -
    220E  PHE*     4.0     6.1    -      -       +      -
    225E  ALA      2.9    16.1    +      -       -      +
    226E  ARG      3.5     0.7    -      -       -      +
    227E  GLU      3.2     0.2    -      -       -      -
    228E  LEU*     1.3    78.0    -      -       -      +
    230E  MET*     1.3    57.6    +      -       -      +
    232E  PHE*     3.2     2.3    +      -       -      +
    233E  TYR*     2.9    45.6    +      -       -      +
    255E  TYR*     3.9    23.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 230 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    132E  ILE*     5.0     4.7    -      -       +      +
    135E  CYS*     3.4    32.5    -      -       +      +
    136E  GLU*     3.8    15.9    -      -       -      +
    138E  LEU*     3.7    26.2    -      -       +      -
    139E  VAL*     6.2     2.2    -      -       +      -
    181E  PHE*     3.6    14.1    -      -       +      -
    226E  ARG      3.0    16.7    +      -       -      +
    227E  GLU*     3.8    14.6    -      -       +      +
    228E  LEU      3.3     0.2    -      -       -      -
    229E  ALA*     1.3    76.4    -      -       -      +
    231E  GLU*     1.3    56.6    +      -       -      +
    233E  TYR*     3.1    12.7    +      -       +      +
    234E  ARG*     3.0    61.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 231 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    227E  GLU*     3.0    18.8    +      -       +      +
    228E  LEU*     3.7     9.9    -      -       +      +
    230E  MET*     1.3    74.9    -      -       -      +
    232E  PHE*     1.3    58.0    +      -       -      +
    234E  ARG*     3.3    21.6    +      -       -      +
    235E  GLN*     2.9    62.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 232 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    113E  MET*     5.0     1.6    -      -       +      -
    189E  PHE*     3.7    28.7    -      +       -      -
    228E  LEU      2.9    17.7    +      -       -      +
    229E  ALA      3.3     4.0    -      -       -      +
    231E  GLU*     1.3    77.0    -      -       -      +
    233E  TYR*     1.3    69.7    +      +       -      +
    235E  GLN*     3.2     9.1    +      -       -      +
    236E  LEU*     2.9    58.7    +      -       +      +
    251E  VAL*     3.6    27.4    -      -       +      -
    252E  ILE*     4.0    20.2    -      -       +      -
    255E  TYR*     3.4    54.7    -      +       +      -
----------------------------------------------------------
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Residues in contact with TYR 233 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    128E  MET*     3.6     6.9    -      -       -      +
    131E  VAL*     4.1    20.2    -      -       +      -
    132E  ILE*     3.6    23.1    -      -       +      +
    135E  CYS*     4.3     7.4    -      -       -      -
    181E  PHE*     3.9    22.6    -      +       -      -
    185E  ASP*     2.4    47.3    +      -       -      +
    188E  LEU*     3.5    33.0    -      -       +      -
    189E  PHE*     4.7     1.8    -      +       -      -
    229E  ALA*     2.9    35.2    +      -       +      +
    230E  MET*     3.3    15.7    -      -       +      +
    232E  PHE*     1.3    94.2    -      +       -      +
    234E  ARG*     1.3    57.4    +      -       -      +
    236E  LEU*     3.3     6.0    +      -       +      -
    237E  LEU*     2.9    26.9    +      -       -      +
    255E  TYR*     5.5     0.2    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 234 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    132E  ILE*     3.9    29.6    -      -       +      +
    136E  GLU*     4.6     9.1    +      -       -      -
    227E  GLU*     4.7     3.2    +      -       -      +
    230E  MET*     3.0    66.4    +      -       -      +
    231E  GLU*     3.6    21.8    +      -       -      +
    232E  PHE      3.3     0.2    -      -       -      -
    233E  TYR*     1.3    72.6    -      -       -      +
    235E  GLN*     1.3    62.0    +      -       -      +
    237E  LEU*     3.3     5.6    +      -       +      +
    238E  ALA*     2.9    27.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 235 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    231E  GLU*     2.9    52.8    +      -       -      +
    232E  PHE*     3.2     9.7    +      -       -      +
    234E  ARG*     1.3    74.1    -      -       +      +
    236E  LEU*     1.3    60.3    +      -       -      +
    238E  ALA*     3.2     8.7    +      -       -      +
    239E  VAL*     2.9    33.3    +      -       -      +
    251E  VAL*     3.6    32.1    -      -       +      +
    254E  GLN*     5.0     7.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 236 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    113E  MET*     4.0    26.9    -      -       +      -
    117E  PHE*     3.9     6.3    -      -       +      -
    128E  MET*     3.4    18.6    -      -       +      -
    188E  LEU*     4.4    13.5    -      -       +      -
    192E  LEU*     4.9     1.6    -      -       +      -
    232E  PHE*     2.9    60.2    +      -       +      +
    233E  TYR*     3.3     6.3    +      -       -      +
    235E  GLN*     1.3    76.2    -      -       -      +
    237E  LEU*     1.3    58.8    +      -       -      +
    239E  VAL*     3.1     7.2    +      -       -      +
    240E  CYS*     2.9    29.6    +      -       -      +
    248E  LEU*     3.7    28.3    -      -       +      -
    251E  VAL*     4.1     5.8    -      -       +      -
    252E  ILE*     4.4     1.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 237 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    125E  GLU*     4.0    26.7    -      -       +      +
    128E  MET*     3.2    17.0    -      -       +      +
    129E  ILE*     3.6    33.2    -      -       +      -
    132E  ILE*     4.0    15.9    -      -       +      -
    233E  TYR      2.9    14.9    +      -       -      +
    234E  ARG*     3.5    11.2    -      -       +      +
    236E  LEU*     1.3    77.0    -      -       -      +
    238E  ALA*     1.3    58.2    +      -       -      +
    240E  CYS*     3.3     1.4    +      -       +      -
    241E  GLN*     2.9    61.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 238 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    234E  ARG      2.9    13.6    +      -       -      +
    235E  GLN*     3.2    12.5    +      -       -      +
    237E  LEU*     1.3    75.4    -      -       -      +
    239E  VAL*     1.3    57.9    +      -       +      +
    241E  GLN*     3.9    10.8    -      -       -      +
    242E  SER*     2.9    32.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 239 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    117E  PHE*     4.1     9.6    -      -       +      -
    235E  GLN      2.9    21.9    +      -       -      +
    236E  LEU*     3.1    11.2    +      -       -      +
    238E  ALA*     1.3    77.1    -      -       +      +
    240E  CYS*     1.3    58.0    +      -       -      +
    242E  SER*     3.3     4.5    +      -       -      -
    243E  GLY*     2.8    28.6    +      -       -      -
    244E  GLU      3.8    18.6    +      -       -      +
    245E  ARG*     4.4     5.3    -      -       +      +
    247E  HIS*     4.9     8.3    -      -       +      +
    248E  LEU*     4.0    34.5    -      -       +      +
    251E  VAL*     4.3    20.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with CYS 240 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    117E  PHE*     3.5    45.7    -      -       +      +
    121E  LYS*     3.1    43.9    -      -       -      +
    124E  ALA*     4.0     3.6    -      -       -      -
    125E  GLU*     3.4    18.4    -      -       +      +
    128E  MET*     4.6     4.9    -      -       -      -
    236E  LEU      2.9    15.2    +      -       -      +
    237E  LEU*     3.9     4.0    -      -       +      +
    239E  VAL*     1.3    77.9    -      -       -      +
    241E  GLN*     1.3    63.1    +      -       -      +
    243E  GLY*     3.5     9.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 241 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    121E  LYS*     4.2    12.5    +      -       -      -
    125E  GLU*     3.1    27.1    +      -       -      +
    129E  ILE*     4.5    10.1    -      -       -      +
    237E  LEU*     2.9    49.6    +      -       +      +
    238E  ALA*     3.9     9.4    -      -       -      +
    240E  CYS*     1.3    74.3    -      -       -      +
    242E  SER*     1.3    66.1    +      -       -      +
    243E  GLY*     3.4     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 242 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    238E  ALA      2.9    20.1    +      -       -      -
    239E  VAL*     3.8     4.5    -      -       -      -
    241E  GLN*     1.3    78.3    -      -       -      +
    243E  GLY*     1.3    61.8    +      -       -      +
    244E  GLU*     3.6    17.4    +      -       -      +
    247E  HIS*     5.4     3.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLY 243 (chain E). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    117E  PHE      6.1     0.7    -      -       -      -
    121E  LYS*     6.1     2.0    -      -       -      -
    239E  VAL      2.8    11.6    +      -       -      -
    240E  CYS*     3.5     9.2    +      -       -      -
    241E  GLN      3.2     2.3    -      -       -      -
    242E  SER*     1.3    78.5    -      -       -      +
    244E  GLU*     1.3    60.8    +      -       -      +
    245E  ARG*     3.7    19.3    +      -       -      +
----------------------------------------------------------
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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