Contacts of the helix formed by residues 202 - 218 (chain B) in PDB entry 4UN0


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 GLU 202 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25B  TYR*     3.6    26.5    -      -       +      +
    201B  TRP*     1.3    76.2    -      -       -      +
    203B  PRO*     1.3    72.3    -      -       +      +
    204B  GLU*     3.1    18.2    -      -       +      +
    205B  ILE*     3.0    39.0    +      -       +      +
    206B  ILE*     3.1     9.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with PRO 203 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25B  TYR*     3.5    14.4    -      -       -      +
     76B  ILE*     6.0     1.8    -      -       +      -
    158B  GLU*     3.2    26.2    -      -       +      +
    159B  HIS*     3.7     5.8    -      -       -      -
    160B  PRO*     3.6    34.2    -      -       +      +
    163B  PHE*     3.8    13.0    -      -       +      -
    201B  TRP      3.8     2.0    -      -       -      +
    202B  GLU*     1.3    85.7    -      -       +      +
    204B  GLU*     1.3    64.6    +      -       -      +
    206B  ILE*     3.6     4.4    -      -       +      +
    207B  ALA*     2.8    31.7    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 204 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    158B  GLU*     5.9     0.2    -      -       -      -
    163B  PHE*     3.6    45.1    -      -       +      -
    167B  TYR*     3.7    18.4    -      -       -      +
    202B  GLU*     3.3    15.7    -      -       +      +
    203B  PRO*     1.3    88.5    -      -       -      +
    205B  ILE*     1.3    64.8    +      -       +      +
    207B  ALA*     3.6     2.9    +      -       -      +
    208B  VAL*     3.3    25.5    +      -       -      +
    239B  VAL*     3.7    13.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 205 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    201B  TRP*     3.7    28.9    -      -       +      -
    202B  GLU*     3.0    37.8    +      -       +      +
    204B  GLU*     1.3    73.9    -      -       +      +
    206B  ILE*     1.3    62.0    +      -       -      +
    208B  VAL*     3.2     7.9    +      -       -      +
    209B  ALA*     2.9    26.2    +      -       -      +
    239B  VAL*     4.7     9.4    -      -       +      -
    242B  VAL*     4.3    25.8    -      -       +      -
    246B  VAL*     4.1    14.4    -      -       +      -
    247B  LEU*     4.1    10.0    -      -       +      +
    250B  ILE*     3.9    20.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 206 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    160B  PRO*     3.7    22.7    -      -       +      -
    189B  VAL*     5.2     0.4    -      -       +      -
    192B  SER*     4.2    20.0    -      -       -      +
    197B  LEU*     4.1    22.4    -      -       +      +
    198B  SER*     5.6     1.8    -      -       -      -
    201B  TRP*     3.7    30.3    -      -       +      +
    202B  GLU      3.1    15.5    +      -       -      +
    203B  PRO*     3.6     7.6    -      -       +      +
    205B  ILE*     1.3    76.1    -      -       -      +
    207B  ALA*     1.3    62.1    +      -       -      +
    209B  ALA*     3.2     5.2    +      -       -      +
    210B  VAL*     3.0    35.9    +      -       +      +
    250B  ILE*     3.9    24.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 207 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    160B  PRO*     3.5    25.7    -      -       -      +
    163B  PHE*     3.8    10.8    -      -       +      -
    164B  LEU*     3.7    17.2    -      -       -      +
    167B  TYR*     4.3     3.6    -      -       +      -
    203B  PRO      2.8    18.0    +      -       -      +
    204B  GLU      3.6     6.1    -      -       -      +
    206B  ILE*     1.3    76.6    -      -       -      +
    208B  VAL*     1.3    60.8    +      -       -      +
    210B  VAL*     3.2    21.5    -      -       -      +
    211B  MET*     3.2    17.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 208 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    167B  TYR*     4.0    19.3    -      -       +      -
    204B  GLU      3.3    13.0    +      -       -      +
    205B  ILE*     3.2    10.3    +      -       -      +
    207B  ALA*     1.3    76.3    -      -       -      +
    209B  ALA*     1.3    60.1    +      -       -      +
    211B  MET*     3.1    11.8    +      -       -      +
    212B  TYR*     2.9    24.4    +      -       -      +
    234B  TRP*     3.8    11.6    -      -       +      -
    235B  TRP*     3.5    30.3    -      -       +      -
    238B  PHE*     4.6     4.9    -      -       +      -
    239B  VAL*     3.9    20.6    -      -       +      -
    247B  LEU*     3.8    23.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 209 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    205B  ILE      2.9    16.4    +      -       -      +
    206B  ILE      3.2     4.9    +      -       -      +
    208B  VAL*     1.3    77.8    -      -       -      +
    210B  VAL*     1.3    57.1    +      -       -      +
    212B  TYR*     3.2     7.1    +      -       -      +
    213B  LEU*     3.0    28.1    +      -       -      +
    247B  LEU*     4.0    18.4    -      -       +      +
    250B  ILE*     3.6    41.7    -      -       +      -
    251B  CYS*     3.8     4.4    -      -       -      -
    254B  ILE*     5.8     1.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 210 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164B  LEU*     4.3     3.1    -      -       +      -
    185B  ALA*     3.7    29.7    -      -       +      +
    188B  PHE*     3.6    27.2    -      -       +      +
    189B  VAL*     3.8    23.6    -      -       +      +
    192B  SER*     5.4     0.2    -      -       -      -
    206B  ILE*     3.0    20.6    +      -       +      +
    207B  ALA*     3.2    20.2    -      -       -      +
    209B  ALA*     1.3    75.9    -      -       +      +
    211B  MET*     1.3    57.6    +      -       -      +
    213B  LEU*     4.4     5.4    -      -       -      -
    214B  ALA*     3.2    26.7    +      -       -      +
    254B  ILE*     4.0    17.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with MET 211 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    164B  LEU*     3.6    26.7    -      -       +      +
    167B  TYR*     4.3    26.9    -      -       +      +
    168B  ALA*     4.8     6.1    -      -       +      -
    171B  LEU*     3.9    28.0    -      -       +      -
    181B  LEU*     3.7    22.5    -      -       +      +
    182B  VAL*     6.4     0.4    -      -       +      -
    185B  ALA*     4.4     5.8    -      -       +      -
    207B  ALA      3.2    19.5    -      -       -      +
    208B  VAL*     3.1     9.9    +      -       -      +
    210B  VAL*     1.3    78.1    -      -       -      +
    212B  TYR*     1.3    59.3    +      -       -      +
    214B  ALA*     4.6     1.6    -      -       -      -
    215B  GLY*     2.9    26.5    +      -       -      -
    222B  ILE*     4.4     5.3    -      -       +      +
    234B  TRP*     3.9    28.7    -      -       +      -
    238B  PHE*     5.6     1.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 212 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    208B  VAL      2.9    11.9    +      -       -      +
    209B  ALA*     3.2    12.1    +      -       -      +
    211B  MET*     1.3    77.9    -      -       -      +
    213B  LEU*     1.3    61.3    +      -       -      +
    215B  GLY*     3.3     0.9    +      -       -      -
    216B  ARG*     3.1    55.9    +      -       +      +
    222B  ILE*     4.9     5.2    -      -       +      +
    234B  TRP*     4.1    19.9    -      +       +      -
    235B  TRP*     4.2    27.4    -      +       -      -
    244B  VAL*     3.8    17.1    -      -       +      +
    247B  LEU*     4.5    14.6    -      -       +      -
    248B  GLU*     2.4    45.6    +      -       +      -
    251B  CYS*     3.5    19.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 213 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    188B  PHE*     3.6    40.4    -      -       +      -
    209B  ALA      3.0    12.0    +      -       -      +
    210B  VAL*     4.0     5.2    -      -       -      +
    212B  TYR*     1.3    77.6    -      -       -      +
    214B  ALA*     1.3    62.1    +      -       -      +
    216B  ARG*     3.2     8.0    +      -       +      +
    217B  LEU*     3.1    35.9    +      -       +      +
    251B  CYS*     3.6    30.5    -      -       +      +
    254B  ILE*     4.1    19.1    -      -       +      -
    255B  LEU*     3.8    39.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 214 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181B  LEU*     3.6    33.0    -      -       +      +
    184B  MET*     4.0    13.0    -      -       +      -
    185B  ALA      4.2     0.7    -      -       -      +
    188B  PHE*     3.7    18.1    -      -       +      -
    210B  VAL      3.2    16.7    +      -       -      +
    211B  MET      4.0     0.4    -      -       -      +
    212B  TYR      3.4     0.2    -      -       -      -
    213B  LEU*     1.3    79.8    -      -       -      +
    215B  GLY*     1.3    60.9    +      -       -      +
    217B  LEU*     3.9     4.8    -      -       -      +
    218B  CYS*     3.1    30.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 215 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    181B  LEU*     3.5     9.1    -      -       -      +
    211B  MET      2.9    17.8    +      -       -      -
    212B  TYR      3.3     2.2    +      -       -      -
    213B  LEU      3.1     0.2    -      -       -      -
    214B  ALA*     1.3    78.4    -      -       -      +
    216B  ARG*     1.3    57.6    +      -       -      +
    218B  CYS      3.5     0.2    +      -       -      -
    219B  LYS*     3.0     7.6    +      -       -      -
    220B  PHE*     2.9    37.6    +      -       -      +
    222B  ILE*     3.8    16.8    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 216 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    212B  TYR*     3.1    51.8    +      -       +      +
    213B  LEU*     3.8     7.6    -      -       +      +
    215B  GLY*     1.3    77.9    -      -       -      +
    217B  LEU*     1.3    63.6    +      -       +      +
    219B  LYS*     3.3    33.0    +      -       -      +
    220B  PHE      6.0     0.4    -      -       -      -
    222B  ILE*     6.1     2.5    -      -       +      -
    248B  GLU*     5.4     0.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 217 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    184B  MET*     4.2    11.9    -      -       +      -
    188B  PHE*     3.6    31.6    -      -       +      -
    213B  LEU*     3.1    33.7    +      -       +      +
    214B  ALA*     3.9     4.0    -      -       -      +
    216B  ARG*     1.3    82.3    -      -       +      +
    218B  CYS*     1.3    64.5    +      -       -      +
    219B  LYS*     3.3     6.0    +      -       -      +
    255B  LEU*     4.9    12.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with CYS 218 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    180B  LYS*     5.0    13.9    -      -       -      -
    181B  LEU*     5.8     1.3    -      -       -      -
    184B  MET*     3.5    30.5    -      -       -      -
    214B  ALA*     3.1    20.3    +      -       -      +
    217B  LEU*     1.3    79.0    -      -       -      +
    219B  LYS*     1.3    68.5    +      -       -      +
    220B  PHE*     3.0    49.0    +      -       +      -
----------------------------------------------------------
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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