Contacts of the helix formed by residues 976 - 994 (chain D) in PDB entry 4AY6


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 ASP 976 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    972D  LYS*     2.9    31.5    +      -       +      +
    973D  LEU      4.4     1.8    -      -       -      -
    975D  THR*     1.3    78.4    +      -       -      +
    977D  LEU*     1.3    50.3    +      -       -      +
    978D  GLU*     3.5    11.8    +      -       -      +
    979D  TYR*     2.8    33.4    +      -       +      +
    980D  LEU*     2.8    32.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 977 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    720D  TYR*     6.2     4.5    -      -       +      -
    832D  ILE*     4.2    24.9    -      -       +      -
    974D  GLY      4.3     7.9    -      -       -      +
    975D  THR      3.1    15.4    +      -       -      +
    976D  ASP*     1.3    71.0    -      -       -      +
    978D  GLU*     1.3    61.3    -      -       -      +
    980D  LEU*     3.5    14.4    -      -       +      +
    981D  LYS*     3.1    28.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 978 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    976D  ASP*     3.1    10.0    +      -       -      +
    977D  LEU*     1.3    78.3    -      -       -      +
    979D  TYR*     1.3    63.6    -      -       -      +
    981D  LYS*     3.3    29.6    +      -       -      +
    982D  LYS*     3.1    21.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 979 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    957D  GLU*     3.5    33.2    +      -       +      +
    958D  LEU*     6.4     0.2    -      -       +      -
    969D  ILE*     5.4     5.0    -      -       +      +
    972D  LYS*     3.7    48.1    +      -       +      -
    973D  LEU*     3.8    29.2    -      -       +      -
    976D  ASP*     2.8    27.6    +      -       +      +
    978D  GLU*     1.3    74.0    -      -       -      +
    980D  LEU*     1.3    70.1    +      -       -      +
    982D  LYS*     3.1    21.1    +      -       +      +
    983D  VAL*     3.0    37.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 980 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    832D  ILE*     4.2    22.9    -      -       +      -
    909D  ASP*     4.2    16.4    -      -       +      +
    910D  VAL*     4.0    24.0    -      -       +      -
    932D  PRO*     5.1     1.1    -      -       +      -
    973D  LEU*     3.4    39.2    +      -       +      +
    974D  GLY*     5.2     0.4    -      -       -      -
    976D  ASP      2.8     8.1    +      -       -      +
    977D  LEU*     3.5    18.2    -      -       +      +
    979D  TYR*     1.3    80.0    -      -       -      +
    981D  LYS*     1.3    59.0    +      -       -      +
    983D  VAL*     3.1     1.4    +      -       -      +
    984D  ARG*     2.9    52.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 981 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    719D  ILE*     5.0     9.1    +      -       -      +
    977D  LEU      3.1    13.2    +      -       -      +
    978D  GLU*     3.6    29.6    +      -       -      +
    979D  TYR      3.3     0.2    -      -       -      -
    980D  LEU*     1.3    79.6    -      -       -      +
    982D  LYS*     1.3    63.2    +      -       -      +
    984D  ARG*     4.0     7.5    -      -       -      +
    985D  GLY*     3.0    20.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with LYS 982 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    978D  GLU      3.1    14.2    +      -       -      +
    979D  TYR*     3.1    27.8    +      -       +      +
    981D  LYS*     1.3    78.0    -      -       -      +
    983D  VAL*     1.3    58.7    +      -       +      +
    985D  GLY*     3.4     1.6    +      -       -      -
    986D  LYS*     3.1    31.7    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 983 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    932D  PRO*     4.0    12.6    -      -       +      -
    955D  CYS*     5.5     1.1    -      -       -      -
    957D  GLU*     4.8    13.9    -      -       +      +
    958D  LEU*     3.9    35.2    -      -       +      -
    973D  LEU*     3.9     9.2    -      -       +      -
    979D  TYR*     3.0    48.3    +      -       +      +
    980D  LEU      3.7     4.0    -      -       -      +
    982D  LYS*     1.3    73.9    -      -       +      +
    984D  ARG*     1.3    67.1    +      -       -      +
    986D  LYS*     2.9    21.3    +      -       +      +
    987D  VAL*     3.0    15.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 984 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    708D  LYS*     4.6     9.5    -      -       -      +
    721D  ASP*     2.9    37.7    +      -       -      +
    722D  ASN*     4.1     3.3    -      -       -      +
    746D  MET*     5.5     0.7    -      -       -      -
    906D  GLN      3.7    14.5    +      -       -      -
    908D  ALA      3.2    22.0    +      -       -      -
    909D  ASP*     2.8    38.3    +      -       -      -
    929D  ALA      4.9     1.6    +      -       -      -
    930D  GLY      3.9    17.6    +      -       -      +
    931D  THR*     3.6    11.1    +      -       -      -
    932D  PRO*     3.6    27.7    -      -       +      +
    980D  LEU*     2.9    38.8    +      -       +      +
    981D  LYS*     4.0     6.7    -      -       -      +
    983D  VAL*     1.3    72.5    -      -       -      +
    985D  GLY*     1.3    57.2    +      -       -      +
    987D  VAL*     3.5     3.0    +      -       -      +
    988D  TRP*     3.0    29.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 985 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    746D  MET*     4.2    24.6    -      -       -      +
    981D  LYS      3.0    16.2    +      -       -      -
    982D  LYS      3.7     3.8    -      -       -      -
    984D  ARG*     1.3    74.7    -      -       -      +
    986D  LYS*     1.3    64.2    +      -       -      +
    988D  TRP*     3.6     2.9    +      -       -      +
    989D  LYS*     3.1    23.4    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 986 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    954D  GLY      3.4    21.5    +      -       -      -
    955D  CYS*     3.8    10.5    -      -       -      -
    957D  GLU*     2.7    35.5    +      -       -      +
    982D  LYS*     3.1    18.2    +      -       +      +
    983D  VAL*     2.9    15.2    +      -       +      +
    985D  GLY*     1.3    73.2    -      -       -      +
    987D  VAL*     1.3    55.4    +      -       -      +
    989D  LYS*     3.0     6.7    +      -       -      +
    990D  GLN*     2.6    54.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 987 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    927D  LEU*     3.9    17.9    -      -       +      +
    930D  GLY*     3.5    29.8    -      -       -      +
    931D  THR      3.9     7.4    -      -       -      +
    932D  PRO*     3.8    26.5    -      -       +      -
    950D  LEU*     6.1     0.4    -      -       +      -
    953D  LEU*     4.6    13.0    -      -       +      +
    955D  CYS*     4.6    12.5    -      -       -      -
    958D  LEU*     4.7     3.6    -      -       +      -
    983D  VAL*     3.0    15.4    +      -       +      +
    984D  ARG      3.6     6.5    -      -       -      +
    986D  LYS*     1.3    74.1    -      -       -      +
    988D  TRP*     1.3    65.9    +      -       -      +
    990D  GLN*     3.1     6.1    +      -       -      -
    991D  ARG*     2.9    27.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with TRP 988 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    705D  LEU      3.8    12.8    -      -       -      -
    706D  LYS      3.3    12.1    +      -       -      -
    707D  LYS*     4.0     1.6    -      -       +      -
    708D  LYS*     3.1    61.2    -      -       +      -
    746D  MET*     3.8    32.0    -      -       +      -
    762D  LEU*     4.6    18.3    -      -       -      +
    763D  ASN      5.5     0.8    +      -       -      +
    906D  GLN*     4.3     5.2    -      -       -      -
    929D  ALA*     3.8    20.2    -      -       -      -
    930D  GLY*     4.0     7.2    -      -       -      -
    984D  ARG      3.0    15.6    +      -       -      +
    985D  GLY*     3.6     9.4    -      -       -      +
    987D  VAL*     1.3    79.2    -      -       -      +
    989D  LYS*     1.3    64.5    +      -       +      +
    991D  ARG*     2.9    59.5    +      -       -      +
    992D  ILE*     4.6     3.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with LYS 989 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    762D  LEU      5.3    10.5    -      -       -      +
    985D  GLY      3.1    12.3    +      -       -      +
    986D  LYS*     3.0     9.0    +      -       -      +
    988D  TRP*     1.3    81.2    -      -       +      +
    990D  GLN*     1.3    78.0    +      -       -      +
    992D  ILE*     3.2    17.0    +      -       -      +
    993D  SER*     3.2    32.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLN 990 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    953D  LEU*     3.3    40.5    +      -       +      +
    954D  GLY*     5.1     2.9    -      -       -      +
    955D  CYS*     4.8     3.6    -      -       -      -
    986D  LYS*     2.6    42.1    +      -       +      +
    987D  VAL*     3.8     2.0    -      -       -      +
    989D  LYS*     1.3    90.4    +      -       -      +
    991D  ARG*     1.3    58.4    +      -       -      +
    993D  SER*     3.5    16.7    +      -       -      -
    994D  SER*     2.7    46.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 991 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    705D  LEU      3.2    18.4    +      -       -      -
    706D  LYS*     2.9    29.8    +      -       -      +
    927D  LEU      3.7    14.1    -      -       -      +
    928D  TRP*     2.8    54.7    +      -       +      +
    930D  GLY      4.5     1.8    -      -       -      +
    953D  LEU*     3.5    13.6    -      -       +      +
    987D  VAL*     2.9    13.0    +      -       +      +
    988D  TRP*     2.9    57.1    +      -       -      +
    990D  GLN*     1.3    75.1    -      -       -      +
    992D  ILE*     1.3    74.9    -      -       +      +
    994D  SER*     4.4     2.3    +      -       -      +
    997D  PHE*     3.4    47.8    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 992 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    706D  LYS*     3.9    24.0    -      -       +      +
    928D  TRP*     3.9    31.0    -      -       +      -
    988D  TRP      4.6     4.3    -      -       -      +
    989D  LYS*     3.2     8.8    +      -       -      +
    990D  GLN      3.1     0.2    -      -       -      -
    991D  ARG*     1.3    92.0    -      -       +      +
    993D  SER*     1.3    68.2    +      -       -      +
    994D  SER      3.3     8.5    -      -       -      +
    998D  ASN*     5.7     3.5    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 993 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    989D  LYS*     3.2    37.8    +      -       -      +
    990D  GLN*     3.5    17.5    +      -       -      -
    992D  ILE*     1.3    83.4    -      -       -      +
    994D  SER*     1.3    61.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 994 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    952D  CYS      3.5     9.9    -      -       -      -
    953D  LEU*     3.4    31.5    -      -       -      +
    990D  GLN*     2.7    30.2    +      -       -      +
    991D  ARG*     4.4     3.3    -      -       -      +
    992D  ILE      3.3    10.2    -      -       -      +
    993D  SER*     1.3    78.8    +      -       -      +
    995D  PRO*     1.3    75.8    -      -       -      +
    996D  LEU*     3.2    12.2    +      -       -      +
    997D  PHE      4.5     1.2    +      -       -      -
    998D  ASN*     4.6     4.5    +      -       -      +
----------------------------------------------------------
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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