Contacts of the helix formed by residues 926 - 937 (chain A) in PDB entry 4YZ9


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 PRO 926 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    836A  GLU*     3.8    40.4    -      -       +      +
    839A  LEU*     3.4    21.3    -      -       +      +
    908A  LYS*     5.6     1.3    -      -       -      -
    925A  LEU*     1.3    95.1    -      -       +      +
    927A  ASP*     1.3    82.1    +      -       -      +
    928A  ASP      3.5     1.3    -      -       -      -
    929A  PHE*     3.2     1.2    +      -       -      +
    930A  VAL*     2.9    27.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 927 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    835A  LEU*     3.8    33.5    -      -       +      +
    836A  GLU*     4.6     3.3    +      -       -      +
    924A  SER*     3.1     7.8    +      -       -      +
    926A  PRO*     1.3    92.3    -      -       -      +
    928A  ASP*     1.3    65.7    +      -       -      +
    930A  VAL*     3.3     4.3    -      -       -      +
    931A  CYS*     3.0    32.1    +      -       -      -
    955B  ARG*     4.6    13.7    +      -       -      -
    879C  THR*     5.8     0.7    -      -       -      +
    880C  VAL*     6.1     0.5    -      -       -      +
    881C  PRO*     6.1     5.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 928 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    922A  LEU      3.5    11.4    -      -       -      +
    923A  GLY      3.4    14.1    -      -       -      +
    924A  SER*     2.7    28.1    +      -       -      -
    927A  ASP*     1.3    79.4    -      -       -      +
    929A  PHE*     1.3    65.5    +      -       -      +
    931A  CYS*     4.0     4.7    -      -       -      +
    932A  TYR*     3.0    24.3    +      -       -      +
    879C  THR*     3.0    24.6    +      -       -      -
    881C  PRO*     4.6     4.8    -      -       -      +
    921C  THR*     3.0    41.4    -      -       -      +
    936C  ARG*     5.7     0.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 929 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    839A  LEU*     3.7    29.6    -      -       +      -
    904A  MET*     3.6    28.7    -      -       +      -
    907A  LYS*     4.0    19.7    -      -       +      -
    908A  LYS*     3.8    10.8    -      -       +      -
    911A  TYR*     4.6     6.7    -      +       -      -
    922A  LEU*     3.6    40.8    -      -       +      -
    923A  GLY      3.4    11.6    +      -       -      +
    925A  LEU*     3.3    27.6    -      -       +      -
    926A  PRO      3.2     4.0    +      -       -      +
    928A  ASP*     1.3    78.8    -      -       -      +
    930A  VAL*     1.3    62.8    +      -       -      +
    932A  TYR*     3.2    10.5    -      -       -      +
    933A  PHE*     3.2    46.1    -      +       -      -
----------------------------------------------------------
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Residues in contact with VAL 930 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    835A  LEU*     3.7    35.7    -      -       +      +
    838A  GLN*     4.3     6.5    -      -       +      +
    839A  LEU*     3.8    39.3    -      -       +      +
    842A  PHE*     4.2    11.9    -      -       +      -
    904A  MET*     5.3     1.6    -      -       +      -
    926A  PRO      2.9    17.5    +      -       -      +
    927A  ASP      3.3    11.4    -      -       -      +
    929A  PHE*     1.3    75.7    -      -       -      +
    931A  CYS*     1.3    64.4    +      -       -      +
    933A  PHE*     3.4     5.0    +      -       -      +
    934A  THR*     2.9    46.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 931 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    801A  GLU*     5.6     5.6    -      -       -      -
    835A  LEU*     3.8    32.5    -      -       -      -
    927A  ASP      3.0    22.0    +      -       -      +
    928A  ASP*     4.0     6.5    -      -       -      +
    930A  VAL*     1.3    75.6    -      -       -      +
    932A  TYR*     1.3    56.5    +      -       -      +
    934A  THR*     3.3     9.6    -      -       -      -
    935A  SER*     2.5    40.1    +      -       -      -
    879C  THR*     4.4    16.6    -      -       -      +
    936C  ARG*     4.1    19.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 932 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    878A  ILE*     3.3    10.5    -      -       +      +
    879A  THR*     3.2    40.3    +      -       +      +
    882A  LEU*     3.1    23.2    -      -       +      +
    921A  THR*     3.3    28.0    -      -       -      +
    922A  LEU*     3.7    13.0    -      -       +      -
    928A  ASP      3.0    14.5    +      -       -      +
    929A  PHE*     3.2    13.0    -      -       -      +
    930A  VAL      3.2     0.2    -      -       -      -
    931A  CYS*     1.3    76.7    -      -       -      +
    933A  PHE*     1.3    98.8    +      +       -      +
    935A  SER*     3.0    15.1    +      -       -      -
    936A  ARG*     3.3    45.8    +      -       -      +
    936C  ARG*     4.7     5.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 933 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    874A  TRP*     6.4     0.7    -      +       -      -
    878A  ILE*     4.5     4.0    -      -       +      -
    882A  LEU*     4.1    15.7    -      -       +      -
    900A  LEU*     4.4     7.9    -      -       +      -
    903A  ALA*     5.8     2.2    -      -       +      -
    904A  MET*     3.7    52.5    -      -       +      -
    907A  LYS*     5.7     2.7    -      -       +      -
    922A  LEU*     3.9    11.9    -      -       +      -
    929A  PHE*     3.2    50.9    -      +       -      -
    930A  VAL*     3.4     3.9    +      -       -      +
    932A  TYR*     1.3   103.5    -      +       -      +
    934A  THR*     1.3    60.4    +      -       +      +
    935A  SER      3.2     1.6    -      -       -      -
    936A  ARG      3.2     0.5    +      -       -      -
    937A  PHE*     2.8    55.8    +      +       +      +
    940A  LEU*     4.8     4.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 934 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    800A  HIS*     3.4    46.6    +      -       +      +
    801A  GLU*     5.6     0.5    +      -       -      -
    835A  LEU*     5.9     1.2    -      -       -      +
    838A  GLN*     4.4     3.8    +      -       -      +
    842A  PHE*     4.2    18.8    -      -       +      -
    930A  VAL*     2.9    37.4    +      -       +      +
    931A  CYS*     3.3    13.2    -      -       -      +
    933A  PHE*     1.3    76.3    -      -       +      +
    935A  SER*     1.3    63.8    +      -       -      +
    937A  PHE      4.0     7.4    -      -       -      +
    938A  PRO*     3.4    23.6    -      -       -      +
    940A  LEU*     5.8     1.3    -      -       +      -
    941A  LEU*     5.2     0.7    -      -       +      +
----------------------------------------------------------
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Residues in contact with SER 935 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    798A  GLU      5.0     2.6    -      -       -      +
    800A  HIS*     5.2     2.9    -      -       -      +
    871A  LYS*     5.8     0.3    +      -       -      -
    931A  CYS*     2.5    25.1    +      -       -      -
    932A  TYR*     3.0    11.8    +      -       -      -
    934A  THR*     1.3    81.0    +      -       -      +
    936A  ARG*     1.3    64.3    +      -       -      +
    937A  PHE      3.7     0.2    +      -       -      -
    938A  PRO*     4.2     8.1    -      -       -      +
    935C  SER*     4.7    11.2    +      -       -      +
    936C  ARG*     3.4    42.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 936 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    871A  LYS*     3.7    21.4    +      -       -      +
    877A  ASN*     3.3    30.9    +      -       +      +
    878A  ILE*     4.5     1.7    -      -       -      +
    879A  THR*     4.6    13.7    -      -       -      +
    932A  TYR*     3.3    59.2    +      -       -      +
    933A  PHE      3.2     1.8    +      -       -      -
    935A  SER*     1.3    81.8    +      -       -      +
    937A  PHE*     1.3    80.7    +      -       +      +
    938A  PRO*     3.7     2.5    -      -       -      -
    928C  ASP      5.8     0.2    +      -       -      -
    931C  CYS*     4.2    22.6    +      -       -      +
    932C  TYR*     4.8     3.8    -      -       -      +
    935C  SER*     3.5    38.8    +      -       -      -
    936C  ARG*     5.7     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 937 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    800A  HIS*     4.9     0.7    -      -       -      -
    869A  VAL      3.7    23.3    -      -       -      +
    870A  VAL*     3.8    19.5    -      -       -      -
    871A  LYS*     4.7     2.5    -      -       +      +
    874A  TRP*     3.8    26.0    -      -       +      -
    877A  ASN*     3.6    32.8    -      -       +      -
    878A  ILE*     4.2    15.5    -      -       +      -
    900A  LEU*     4.2    21.8    -      -       +      -
    933A  PHE*     2.8    34.7    +      +       +      +
    934A  THR*     3.4     8.9    -      -       -      +
    936A  ARG*     1.3    93.7    -      -       +      +
    938A  PRO*     1.3    67.6    -      -       -      +
    939A  HIS      3.2     3.1    -      -       -      -
    940A  LEU*     3.1    30.1    +      -       +      +
    941A  LEU      4.8     0.5    +      -       -      -
----------------------------------------------------------
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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