Contacts of the helix formed by residues 846 - 860 (chain A) in PDB entry 2P0C


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 THR 846 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    715A  SER*     5.9     2.2    -      -       -      -
    780A  LYS*     3.9    16.8    -      -       -      +
    783A  VAL*     4.8     2.2    -      -       -      -
    845A  PRO*     1.3    77.8    -      -       -      +
    847A  PHE*     1.3    59.3    +      -       -      +
    848A  SER*     3.0    23.2    +      -       -      -
    849A  VAL*     3.2    18.1    +      -       +      +
    850A  LEU*     3.0    28.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 847 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    708A  ALA*     4.1     9.4    -      -       +      +
    711A  MET*     3.5    53.2    -      -       +      -
    712A  GLU*     3.7    22.0    -      -       -      +
    715A  SER*     4.1    17.5    +      -       -      -
    724A  LEU*     4.8     0.2    -      -       +      -
    779A  SER*     4.1     5.6    -      -       -      -
    782A  ASP*     3.7    15.5    -      -       +      -
    783A  VAL*     3.6    36.3    -      -       +      +
    786A  PHE*     3.5    32.5    -      +       +      -
    846A  THR*     1.3    71.0    -      -       -      +
    848A  SER*     1.3    59.1    +      -       -      +
    850A  LEU*     3.8    12.5    -      -       +      +
    851A  ARG*     2.8    34.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 848 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    712A  GLU*     3.4    33.3    -      -       -      +
    716A  ASN*     5.9     1.8    -      -       -      -
    846A  THR*     3.0    17.3    +      -       -      -
    847A  PHE*     1.3    78.8    -      -       -      +
    849A  VAL*     1.3    60.9    +      -       -      +
    851A  ARG*     3.9     8.2    +      -       -      +
    852A  LEU*     3.4    22.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 849 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    845A  PRO*     3.8    17.9    -      -       +      -
    846A  THR*     3.2    26.1    +      -       -      +
    848A  SER*     1.3    76.5    +      -       -      +
    850A  LEU*     1.3    66.7    +      -       -      +
    852A  LEU*     3.2     6.5    +      -       -      +
    853A  GLN*     2.9    46.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 850 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    708A  ALA*     5.1     0.4    -      -       +      -
    783A  VAL*     3.8    24.9    -      -       +      -
    786A  PHE*     3.8    33.4    -      -       +      -
    832A  ILE*     3.8    21.5    -      -       +      -
    835A  SER*     4.0     2.7    -      -       -      +
    836A  CYS*     3.7    16.8    -      -       -      -
    845A  PRO*     3.5    21.3    -      -       +      -
    846A  THR      3.0    22.1    +      -       -      +
    847A  PHE*     3.8    17.3    -      -       +      +
    849A  VAL*     1.3    74.8    -      -       -      +
    851A  ARG*     1.3    64.8    +      -       -      +
    853A  GLN*     3.1    12.6    +      -       -      +
    854A  LEU*     3.0    30.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 851 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    705A  VAL*     4.6     3.4    -      -       +      +
    708A  ALA*     3.9    16.5    -      -       +      +
    709A  LEU*     3.5    35.5    -      -       +      +
    712A  GLU*     2.8    41.1    +      -       -      +
    847A  PHE      2.8    22.5    +      -       -      +
    848A  SER*     3.9    13.7    +      -       -      +
    850A  LEU*     1.3    74.8    -      -       -      +
    852A  LEU*     1.3    74.8    +      -       -      +
    854A  LEU*     3.4     3.8    +      -       -      +
    855A  GLU*     2.8    73.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 852 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    848A  SER      3.4    13.6    +      -       -      +
    849A  VAL*     3.2     6.8    +      -       -      +
    851A  ARG*     1.3    88.0    -      -       -      +
    853A  GLN*     1.3    60.8    +      -       +      +
    855A  GLU*     3.4    18.1    +      -       +      +
    856A  LYS*     3.0    45.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLN 853 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    832A  ILE*     4.0    28.6    -      -       +      +
    835A  SER*     4.9     5.0    +      -       -      -
    845A  PRO*     4.9     1.9    -      -       -      +
    849A  VAL*     2.9    33.9    +      -       +      +
    850A  LEU*     3.1    30.3    +      -       -      +
    852A  LEU*     1.3    76.3    -      -       +      +
    854A  LEU*     1.3    56.5    +      -       -      +
    856A  LYS*     3.7     4.1    +      -       -      +
    857A  LEU*     3.0    27.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 854 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    701A  LEU*     3.8    27.6    -      -       +      +
    704A  MET*     4.0    18.8    -      -       +      +
    705A  VAL*     3.8    17.6    -      -       +      +
    708A  ALA*     4.3     5.6    -      -       +      -
    786A  PHE*     3.6    36.8    -      -       +      -
    790A  MET*     3.6    24.9    -      -       +      -
    829A  LEU*     3.9     3.8    -      -       +      -
    832A  ILE*     4.3    12.6    -      -       +      -
    850A  LEU      3.0    18.9    +      -       -      +
    851A  ARG      3.9     1.8    -      -       -      +
    853A  GLN*     1.3    74.8    -      -       -      +
    855A  GLU*     1.3    61.3    +      -       -      +
    857A  LEU*     3.5     4.8    +      -       +      +
    858A  LEU*     2.9    30.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 855 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    705A  VAL*     4.0    26.8    -      -       +      +
    709A  LEU*     4.6     7.6    -      -       -      +
    851A  ARG*     2.8    58.0    +      -       -      +
    852A  LEU*     3.7    13.4    -      -       +      +
    854A  LEU*     1.3    76.7    -      -       -      +
    856A  LYS*     1.3    57.7    +      -       +      +
    858A  LEU*     3.4     6.9    +      -       +      +
    859A  GLU*     2.9    32.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 856 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    852A  LEU*     3.0    35.4    +      -       +      +
    853A  GLN*     4.2     4.3    -      -       -      +
    855A  GLU*     1.3    73.7    -      -       +      +
    857A  LEU*     1.3    65.1    +      -       -      +
    859A  GLU*     3.4    18.8    +      -       -      +
    860A  SER*     3.1    22.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 857 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    701A  LEU*     4.0    26.0    -      -       +      -
    826A  LEU*     4.0    18.6    -      -       +      -
    828A  GLU*     3.9    25.1    -      -       +      +
    829A  LEU*     3.9    36.6    -      -       +      +
    832A  ILE*     4.2    11.0    -      -       +      -
    853A  GLN      3.0    20.4    +      -       -      +
    854A  LEU*     3.8     5.6    -      -       +      +
    856A  LYS*     1.3    76.8    -      -       -      +
    858A  LEU*     1.3    62.5    +      -       -      +
    860A  SER*     2.8    31.5    +      -       -      +
    861A  LEU*     3.5     8.2    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 858 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    698A  GLN*     3.6    39.0    -      -       +      +
    701A  LEU*     4.1    17.0    -      -       +      +
    702A  LYS*     4.3    35.4    -      -       +      +
    705A  VAL*     4.6    10.1    -      -       +      -
    854A  LEU      2.9    18.2    +      -       -      +
    855A  GLU*     3.8     6.3    -      -       +      +
    857A  LEU*     1.3    76.0    -      -       -      +
    859A  GLU*     1.3    63.2    +      -       -      +
    861A  LEU*     3.3    19.4    +      -       +      +
----------------------------------------------------------
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Residues in contact with GLU 859 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    855A  GLU      2.9    19.8    +      -       -      +
    856A  LYS*     3.5    20.7    -      -       -      +
    858A  LEU*     1.3    77.4    -      -       -      +
    860A  SER*     1.3    59.7    +      -       -      +
    861A  LEU*     3.2     4.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 860 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    856A  LYS      3.1    14.2    +      -       -      -
    857A  LEU*     2.8    30.3    +      -       -      +
    859A  GLU*     1.3    75.2    -      -       -      +
    861A  LEU*     1.3    63.1    +      -       -      +
----------------------------------------------------------
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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