Contacts of the helix formed by residues 63 - 75 (chain A) in PDB entry 3VTU


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 ASN 63 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61A  HIS      3.5     3.2    +      -       -      +
     62A  VAL*     1.3    79.0    -      -       -      +
     64A  MET*     1.4    69.2    +      -       -      +
     65A  SER*     2.7    28.9    +      -       -      -
     66A  GLU*     2.9    35.4    +      -       -      +
     67A  LEU*     3.0    18.7    +      -       -      +
     96A  SER*     3.4    29.4    +      -       -      +
     97A  THR      3.6    10.1    -      -       -      +
     98A  PRO*     4.4     2.0    -      -       +      -
     99A  ILE      4.4     0.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 64 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63A  ASN*     1.4    76.7    -      -       -      +
     65A  SER*     1.4    61.0    +      -       -      +
     67A  LEU*     3.7    11.6    -      -       +      +
     68A  ILE*     2.9    35.9    +      -       -      +
     85A  LEU*     5.2     1.8    -      -       -      -
     92A  MET*     3.3    47.3    -      -       +      +
     93A  VAL      5.2     0.2    -      -       -      +
     95A  VAL*     3.6    33.7    -      -       +      -
     96A  SER*     4.5     3.4    -      -       -      +
     97A  THR      4.1     1.8    +      -       -      +
     99A  ILE*     3.5    49.1    -      -       +      +
    102A  VAL*     4.1     6.1    -      -       +      -
    115A  MET*     4.2    13.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 65 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     63A  ASN*     2.7    25.4    +      -       -      -
     64A  MET*     1.4    78.7    -      -       -      +
     66A  GLU*     1.3    65.2    +      -       -      +
     68A  ILE*     3.5    11.0    +      -       -      +
     69A  LYS*     3.2    21.0    +      -       -      +
     93A  VAL*     5.1    12.0    +      -       -      -
     96A  SER*     5.1     8.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 66 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     61A  HIS*     4.3     5.4    +      -       -      +
     62A  VAL*     3.4    19.0    -      -       +      +
     63A  ASN*     2.9    48.7    +      -       -      +
     65A  SER*     1.3    81.1    -      -       -      +
     67A  LEU*     1.3    61.1    +      -       -      +
     69A  LYS*     3.2    10.1    +      -       -      +
     70A  ILE*     3.1    32.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with LEU 67 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37A  VAL*     5.3     0.2    -      -       +      -
     39A  ILE*     4.4     8.7    -      -       +      -
     56A  PHE*     5.9     1.6    -      -       +      -
     58A  VAL*     4.5    22.7    -      -       +      -
     62A  VAL*     4.1     4.7    -      -       +      +
     63A  ASN      3.0    16.3    +      -       -      +
     64A  MET*     3.7    11.7    -      -       +      +
     66A  GLU*     1.3    71.2    -      -       -      +
     68A  ILE*     1.3    66.9    +      -       -      +
     70A  ILE*     3.1    19.4    +      -       +      +
     71A  ILE*     3.0    41.2    +      -       +      +
     85A  LEU*     4.2    10.8    -      -       +      -
     99A  ILE*     4.2    14.6    -      -       +      -
    115A  MET*     3.7    38.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 68 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64A  MET*     2.9    22.9    +      -       +      +
     65A  SER*     3.7     8.1    -      -       -      +
     66A  GLU      3.4     0.2    -      -       -      -
     67A  LEU*     1.3    74.9    -      -       -      +
     69A  LYS*     1.4    63.7    +      -       -      +
     71A  ILE*     3.3     2.1    +      -       -      +
     72A  ARG*     2.9    43.5    +      -       -      +
     83A  PHE*     4.0    21.7    -      -       +      +
     85A  LEU*     4.0    30.5    -      -       +      +
     92A  MET      4.4     2.2    -      -       -      -
     93A  VAL*     3.8    41.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with LYS 69 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65A  SER      3.2    13.3    +      -       -      +
     66A  GLU*     3.2    12.5    +      -       -      +
     68A  ILE*     1.4    78.2    -      -       -      +
     70A  ILE*     1.3    59.4    -      -       +      +
     72A  ARG*     3.4     8.4    +      -       -      +
     73A  ARG*     3.0    56.3    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 70 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56A  PHE*     5.5     4.3    -      -       +      -
     58A  VAL*     6.3     1.1    -      -       +      -
     62A  VAL*     4.7    14.4    -      -       +      -
     66A  GLU*     3.1    23.1    +      -       +      +
     67A  LEU*     3.1    18.4    +      -       +      +
     69A  LYS*     1.3    78.1    -      -       +      +
     71A  ILE*     1.3    68.9    +      -       +      +
     73A  ARG*     3.3    29.1    +      -       -      +
     74A  ARG*     2.9    37.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with ILE 71 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39A  ILE*     3.5    39.3    -      -       +      -
     51A  LEU*     4.2    16.6    -      -       +      -
     56A  PHE*     4.1    22.0    -      -       +      -
     67A  LEU*     3.0    28.3    +      -       +      +
     68A  ILE      4.1     0.2    -      -       -      +
     70A  ILE*     1.3    78.4    -      -       +      +
     72A  ARG*     1.3    66.4    +      -       -      +
     74A  ARG*     3.2     4.3    +      -       -      +
     75A  LEU*     2.9    31.9    +      -       +      +
     83A  PHE*     3.4    34.3    -      -       +      -
     85A  LEU*     5.1     4.5    -      -       +      -
    117A  TYR*     4.7     1.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with ARG 72 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     68A  ILE*     2.9    35.5    +      -       -      +
     69A  LYS*     3.8     7.6    -      -       -      +
     71A  ILE*     1.3    76.9    -      -       -      +
     73A  ARG*     1.4    60.6    +      -       -      +
     75A  LEU*     3.5     0.8    +      -       -      -
     76A  GLN      3.1     3.3    +      -       -      -
     77A  LEU*     3.0    51.3    +      -       +      +
     78A  ASN      3.0    25.1    +      -       -      -
     79A  ALA*     4.0     8.5    +      -       -      +
     81A  GLN      2.9    29.7    +      -       -      -
     82A  ALA*     4.4     0.6    -      -       -      +
     83A  PHE*     3.3    43.6    +      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 73 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69A  LYS*     3.0    50.5    +      -       +      +
     70A  ILE*     3.4    35.7    -      -       -      +
     72A  ARG*     1.4    75.8    -      -       -      +
     74A  ARG*     1.3    67.9    +      -       -      +
     76A  GLN*     3.0    20.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with ARG 74 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51A  LEU*     3.7    12.5    -      -       +      +
     52A  ASP*     2.8    43.7    +      -       -      +
     53A  LYS*     3.8    36.1    -      -       -      +
     56A  PHE*     3.6    27.1    -      -       -      -
     70A  ILE*     2.9    27.8    +      -       +      +
     71A  ILE*     3.2     6.9    +      -       -      +
     73A  ARG*     1.3    79.2    -      -       +      +
     75A  LEU*     1.4    61.4    +      -       -      +
     76A  GLN*     3.5     6.9    +      -       -      +
    205A  SO4      3.5    12.6    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 75 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48A  LEU*     5.2     0.9    -      -       +      -
     49A  PRO*     3.6    24.8    -      -       +      +
     50A  VAL      3.9     4.9    -      -       -      +
     51A  LEU*     3.6    30.1    -      -       +      -
     71A  ILE*     2.9    22.2    +      -       +      +
     73A  ARG      3.2     0.2    -      -       -      -
     74A  ARG*     1.4    74.0    -      -       -      +
     76A  GLN*     1.4    69.7    +      -       -      +
     77A  LEU*     3.4    24.9    +      -       +      +
     83A  PHE*     3.6    36.6    -      -       +      -
    117A  TYR*     3.6    29.2    -      -       +      +
    205A  SO4      3.4    16.7    +      -       -      +
----------------------------------------------------------
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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