Contacts of the helix formed by residues 4821 - 4830 (chain H) in PDB entry 6X34


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 LEU4821 (chain H).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4837F  MET*     5.0     7.9    -      -       +      -
   4841F  LEU*     3.6    34.0    -      -       +      +
   4815H  ALA      3.8    14.4    -      -       -      +
   4816H  MET*     6.3     0.2    -      -       -      -
   4818H  VAL*     3.6    24.2    +      -       +      +
   4819H  LYS      3.5     0.2    -      -       -      -
   4820H  THR*     1.3    77.5    -      -       -      +
   4822H  ARG*     1.3    63.0    +      -       -      +
   4823H  THR      3.2     1.4    +      -       -      -
   4824H  ILE*     3.3    19.1    +      -       -      +
   4825H  LEU*     4.1     7.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG4822 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4816H  MET*     6.1     4.3    -      -       +      +
   4817H  GLY      5.8     2.7    -      -       -      +
   4818H  VAL      3.2    18.5    +      -       -      +
   4819H  LYS*     3.8    12.1    -      -       -      +
   4820H  THR      3.2     1.0    -      -       -      -
   4821H  LEU*     1.3    77.9    -      -       -      +
   4823H  THR*     1.3    60.9    +      -       +      +
   4824H  ILE      3.2     0.2    -      -       -      -
   4825H  LEU*     3.6     9.0    +      -       -      +
   4826H  SER*     3.3    21.8    +      -       -      -
----------------------------------------------------------
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Residues in contact with THR4823 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4819H  LYS      3.5    18.2    -      -       -      +
   4820H  THR*     3.2    14.5    +      -       -      +
   4822H  ARG*     1.3    76.7    -      -       +      +
   4824H  ILE*     1.3    63.2    +      -       -      +
   4826H  SER*     3.8     6.4    -      -       -      -
   4827H  SER*     3.0    32.2    +      -       -      -
   4938H  PHE*     3.1    33.7    -      -       +      -
   4941H  LEU*     5.3    15.5    -      -       +      +
   4942H  ARG*     6.5     1.3    -      -       +      -
   4945H  GLN*     6.2     3.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE4824 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4838F  THR*     5.7     3.1    -      -       -      -
   4841F  LEU*     3.7    28.3    -      -       +      -
   4925F  ILE*     5.4     8.1    -      -       +      -
   4929F  ILE*     3.8    45.1    -      -       +      -
   4820H  THR      5.1     0.7    -      -       -      +
   4821H  LEU*     3.3    10.1    +      -       -      +
   4822H  ARG      3.2     0.8    -      -       -      -
   4823H  THR*     1.3    84.3    -      -       -      +
   4825H  LEU*     1.3    74.6    +      -       +      +
   4826H  SER      3.3     0.3    +      -       -      -
   4827H  SER*     4.1     3.1    -      -       -      -
   4828H  VAL*     3.3    31.5    +      -       +      +
   4938H  PHE*     4.6     7.2    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU4825 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4841F  LEU*     6.5     1.8    -      -       +      -
   4812H  LEU      5.6     5.2    -      -       -      +
   4815H  ALA*     5.9     5.2    -      -       +      -
   4816H  MET*     5.4    15.3    -      -       +      +
   4821H  LEU      4.1     8.2    +      -       -      +
   4822H  ARG*     3.6     9.0    +      -       -      +
   4823H  THR      3.5     0.2    -      -       -      -
   4824H  ILE*     1.3    86.0    -      -       +      +
   4826H  SER*     1.3    60.9    +      -       -      +
   4828H  VAL*     3.9     6.0    +      -       +      +
   4829H  THR*     3.9    18.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER4826 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4822H  ARG      3.3    15.3    +      -       -      -
   4823H  THR*     4.0     6.5    -      -       -      -
   4824H  ILE      3.2     0.6    -      -       -      -
   4825H  LEU*     1.3    79.0    -      -       -      +
   4827H  SER*     1.3    54.1    +      -       -      +
   4829H  THR*     3.2     5.1    +      -       -      -
   4830H  HIS*     2.7    40.2    +      -       -      +
   4941H  LEU*     4.2    17.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER4827 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4823H  THR      3.0    19.2    +      -       -      -
   4824H  ILE*     3.5     4.9    +      -       -      -
   4826H  SER*     1.3    76.9    -      -       -      +
   4828H  VAL*     1.3    62.1    +      -       -      +
   4830H  HIS*     3.4    22.1    -      -       -      +
   4934H  ILE*     3.1    38.3    +      -       -      +
   4937H  ALA*     3.5    12.3    -      -       -      +
   4938H  PHE*     3.6    22.7    +      -       -      +
   4941H  LEU*     5.1     4.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL4828 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4921F  PHE*     4.8    23.6    -      -       +      -
   4925F  ILE*     4.3    26.2    -      -       +      -
   4824H  ILE*     3.3    22.1    +      -       +      +
   4825H  LEU*     4.2     8.5    -      -       +      +
   4826H  SER      3.2     0.8    -      -       -      -
   4827H  SER*     1.3    80.1    -      -       -      +
   4829H  THR*     1.3    62.6    +      -       -      +
   4830H  HIS      4.2     1.9    -      -       -      +
   4832H  GLY*     5.0     0.3    -      -       -      -
   4835H  LEU*     3.6    28.4    -      -       +      +
   4934H  ILE*     4.2    12.3    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR4829 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4825H  LEU      3.9    10.4    +      -       -      -
   4826H  SER*     3.2     6.5    +      -       -      -
   4828H  VAL*     1.3    83.5    -      -       -      +
   4830H  HIS*     1.3    63.7    +      -       -      +
   4831H  ASN      3.4     0.3    +      -       -      -
   4832H  GLY*     3.0    18.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with HIS4830 (chain H). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
   4826H  SER*     2.7    27.5    +      -       -      +
   4827H  SER*     3.4    19.2    -      -       -      +
   4828H  VAL      3.5     2.6    -      -       -      +
   4829H  THR*     1.3    73.7    -      -       -      +
   4831H  ASN*     1.3    81.0    +      -       +      +
   4835H  LEU*     6.0     0.2    -      -       -      +
   4933H  LEU      5.6     0.2    -      -       -      +
   4934H  ILE*     5.5     1.7    -      -       -      +
   4937H  ALA*     4.1    27.6    -      -       +      +
   4940H  GLU*     6.1     3.1    -      -       +      +
   4941H  LEU*     5.3    17.1    -      -       +      +
----------------------------------------------------------
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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