Contacts of the helix formed by residues 49 - 60 (chain A) in PDB entry 5BZR


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 SER 49 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     47A  SER      4.0     0.6    +      -       -      -
     48A  ILE*     1.3    78.1    -      -       -      +
     50A  ARG*     1.3    59.8    +      -       -      +
     51A  THR*     3.2     6.3    +      -       -      -
     52A  GLU*     3.1    17.2    +      -       -      +
     53A  ALA*     2.8    25.6    +      -       -      +
     85A  PHE*     3.6     3.4    -      -       -      -
    117A  SER*     4.1     7.4    -      -       -      -
    118A  HIS*     3.8    25.2    +      -       -      -
    172A  ASP*     2.7    28.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 50 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49A  SER*     1.3    73.6    -      -       -      +
     51A  THR*     1.3    68.7    +      -       +      +
     53A  ALA*     3.2     3.9    +      -       -      +
     54A  ALA*     3.2    32.8    +      -       -      +
     64A  LEU*     4.7     8.8    -      -       -      +
     85A  PHE*     3.4    43.8    -      -       +      -
     86A  ILE      4.4    10.1    +      -       -      -
     87A  GLU*     3.2    35.4    +      -       -      +
     88A  GLY      4.9     4.4    -      -       -      +
    117A  SER      4.5     1.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with THR 51 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     49A  SER*     3.2     7.3    +      -       -      -
     50A  ARG*     1.3    84.6    -      -       +      +
     52A  GLU*     1.3    61.0    +      -       -      +
     54A  ALA*     3.4     5.6    +      -       -      +
     55A  ASP*     3.2    25.6    +      -       -      -
    169A  HIS*     3.6    32.0    +      -       +      +
    171A  GLU*     4.3    11.4    +      -       -      +
    172A  ASP*     2.7    26.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with GLU 52 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42A  LYS*     2.8    31.5    +      -       -      +
     47A  SER      4.5     5.0    -      -       -      +
     48A  ILE*     3.9    14.3    -      -       +      +
     49A  SER*     3.1    21.8    +      -       -      +
     51A  THR*     1.3    77.5    +      -       -      +
     53A  ALA*     1.3    57.4    +      -       -      +
     55A  ASP*     3.2     6.7    +      -       -      +
     56A  LEU*     2.8    29.5    +      -       +      +
    166A  TYR*     2.7    37.1    +      -       +      -
    167A  ARG*     3.6    15.9    -      -       +      -
    172A  ASP*     3.2    27.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 53 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48A  ILE*     3.4     8.4    -      -       +      +
     49A  SER      2.8    14.3    +      -       -      +
     50A  ARG*     3.2    10.3    +      -       -      +
     52A  GLU*     1.3    75.9    -      -       -      +
     54A  ALA*     1.3    62.7    +      -       -      +
     56A  LEU*     3.2     3.5    +      -       -      +
     57A  CYS*     2.9    28.9    +      -       -      -
     64A  LEU*     4.0     5.2    -      -       +      -
     85A  PHE*     3.5    21.8    -      -       +      -
    121A  THR*     3.3    26.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 54 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     50A  ARG*     3.2    26.0    +      -       -      +
     51A  THR*     3.7     8.7    -      -       -      +
     53A  ALA*     1.3    79.3    -      -       -      +
     55A  ASP*     1.3    61.0    +      -       -      +
     57A  CYS*     3.5     2.3    +      -       -      +
     58A  GLN*     3.0    30.8    +      -       -      +
     62A  SER      5.1     0.2    -      -       -      +
     63A  THR*     5.9     0.2    -      -       -      -
     64A  LEU*     3.4    17.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 55 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51A  THR      3.2    12.1    +      -       -      +
     52A  GLU*     3.6     9.2    -      -       -      +
     54A  ALA*     1.3    77.3    -      -       -      +
     56A  LEU*     1.3    65.6    +      -       -      +
     58A  GLN*     3.3    16.4    +      -       -      +
     59A  ALA*     3.1    20.4    +      -       -      +
    166A  TYR*     3.3    25.2    -      -       +      +
    167A  ARG*     3.9     3.5    -      -       -      -
    168A  THR*     2.7    48.5    +      -       -      +
    169A  HIS*     3.4    15.1    +      -       -      -
    172A  ASP*     5.0     0.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 56 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28A  LEU*     3.6    35.0    -      -       +      -
     40A  VAL*     3.8    23.6    -      -       +      -
     42A  LYS*     5.3     0.2    -      -       +      -
     48A  ILE*     3.9    25.6    -      -       +      -
     52A  GLU*     2.8    21.0    +      -       +      +
     53A  ALA      3.6     4.7    -      -       -      +
     55A  ASP*     1.3    70.9    -      -       -      +
     57A  CYS*     1.3    66.6    +      -       -      +
     59A  ALA*     3.0    15.6    +      -       +      +
     60A  PHE*     3.4    28.1    +      -       +      -
    121A  THR*     4.1     8.5    -      -       +      -
    123A  CYS*     5.3     0.2    -      -       -      -
    140A  LEU*     5.4     0.4    -      -       +      -
    166A  TYR*     3.7    33.6    -      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 57 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     53A  ALA      2.9    19.1    +      -       -      +
     54A  ALA      3.9     3.6    -      -       -      +
     56A  LEU*     1.3    76.1    -      -       -      +
     58A  GLN*     1.3    61.3    +      -       -      +
     60A  PHE*     2.9    10.1    +      -       -      +
     62A  SER*     2.9    43.0    +      -       -      +
     63A  THR*     3.9     6.1    -      -       -      -
     64A  LEU*     3.7    12.6    -      -       +      -
    121A  THR*     4.1     3.1    -      -       -      -
    122A  TYR      3.2    14.1    -      -       -      -
    123A  CYS*     2.1    51.6    -      -       -      -
----------------------------------------------------------
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Residues in contact with GLN 58 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54A  ALA*     3.0    15.0    +      -       -      +
     55A  ASP*     3.5    20.2    +      -       -      +
     56A  LEU      3.2     0.4    -      -       -      -
     57A  CYS*     1.3    75.5    -      -       -      +
     59A  ALA*     1.3    57.4    +      -       -      +
     61A  ASN*     3.0    17.4    +      -       -      +
     62A  SER      3.4    10.6    +      -       -      +
    142A  ASN*     3.0    33.5    +      -       -      +
    168A  THR*     6.2     1.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 59 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     55A  ASP      3.1     4.6    +      -       -      +
     56A  LEU*     3.0    12.1    +      -       +      +
     58A  GLN*     1.3    75.7    -      -       -      +
     60A  PHE*     1.3    56.3    +      -       -      +
     61A  ASN      3.3     0.6    +      -       -      -
    140A  LEU*     3.6    22.0    -      -       +      +
    141A  PRO*     3.5     6.6    -      -       -      +
    142A  ASN*     2.9    36.6    +      -       -      +
    143A  SER*     4.2     9.9    -      -       -      +
    166A  TYR*     3.6    31.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 60 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28A  LEU*     4.2     4.5    -      -       +      -
     30A  VAL*     4.0    17.7    -      -       +      -
     38A  PHE*     3.9    23.6    -      +       +      -
     40A  VAL*     4.2    14.8    -      -       +      -
     56A  LEU*     3.4    38.1    +      -       +      -
     57A  CYS*     2.9    10.3    +      -       -      +
     59A  ALA*     1.3    76.3    -      -       -      +
     61A  ASN*     1.3    70.2    +      -       -      +
     62A  SER*     2.9    15.3    +      -       -      +
    123A  CYS*     4.7     1.6    -      -       -      -
    125A  ASN*     4.9     5.2    +      -       -      -
    137A  VAL*     4.1    21.8    -      -       +      -
    139A  ASP      4.2     8.7    -      -       -      -
    140A  LEU*     3.6    24.9    -      -       +      -
    141A  PRO*     4.2    10.6    -      -       +      +
    152A  ILE*     3.8    22.9    -      -       +      -
----------------------------------------------------------
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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