Contacts of the strand formed by residues 107 - 112 (chain A) in PDB entry 2VSH


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 ILE 107 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      0A  HIS*     3.8    26.5    -      -       +      -
      1A  MET      2.9    10.8    +      -       -      +
      2A  ILE*     3.5    18.4    -      -       +      -
      3A  TYR*     2.9    30.8    +      -       -      -
    105A  GLU*     3.6    11.0    -      -       -      +
    106A  ASP*     1.3    73.2    -      -       -      +
    108A  VAL*     1.3    65.3    +      -       -      +
    109A  VAL*     4.5     0.7    -      -       +      +
    127A  ILE*     5.1     6.7    -      -       +      +
    130A  ALA*     4.0    28.3    -      -       +      +
    131A  GLN*     5.4     3.1    -      -       +      -
    172A  THR*     3.6    28.7    -      -       +      -
    173A  PHE      3.5     8.3    -      -       -      +
    174A  ARG*     4.0    18.8    -      -       +      +
    175A  CYS*     4.0     3.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 108 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3A  TYR      3.4     4.9    -      -       -      +
      4A  ALA      4.2     0.2    -      -       -      -
      5A  GLY*     3.7    28.9    -      -       -      +
     92A  ILE*     4.4     5.4    -      -       +      -
     93A  ILE*     4.5     9.9    -      -       +      -
     96A  ILE*     4.1    17.0    -      -       +      -
    107A  ILE*     1.3    75.7    -      -       -      +
    109A  VAL*     1.3    63.6    +      -       -      +
    110A  THR*     3.6    11.9    +      -       +      -
    171A  GLN      3.9     0.5    -      -       -      +
    172A  THR*     3.4     4.2    -      -       -      +
    173A  PHE*     2.9    60.2    +      -       +      +
    175A  CYS*     3.8    19.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 109 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2A  ILE*     4.0     8.7    -      -       +      -
      3A  TYR      2.7    17.5    +      -       -      +
      4A  ALA*     3.5     4.0    -      -       -      +
      5A  GLY      2.8    26.2    +      -       -      +
     40A  PHE*     3.9    21.8    -      -       +      -
     46A  ILE*     4.7     2.5    -      -       +      -
    108A  VAL*     1.3    70.5    -      -       -      +
    110A  THR*     1.3    54.5    +      -       -      +
    111A  HIS*     3.9     0.7    +      -       -      +
    123A  ILE*     5.0     5.4    -      -       +      -
    126A  ASN*     4.6     5.2    -      -       +      -
    127A  ILE*     3.8    31.4    -      -       +      -
    170A  PRO*     3.6    25.4    -      -       +      -
    172A  THR*     3.6    28.9    -      -       +      +
----------------------------------------------------------
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Residues in contact with THR 110 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  GLY*     3.2    11.0    -      -       -      +
      7A  LEU*     4.2    13.8    -      -       +      +
     85A  ARG*     5.5     0.5    +      -       -      -
     89A  ILE*     4.2    19.5    -      -       +      +
     92A  ILE*     6.0     1.8    -      -       +      -
    108A  VAL*     3.8    22.4    -      -       +      -
    109A  VAL*     1.3    70.9    -      -       -      +
    111A  HIS*     1.3    62.6    +      -       -      +
    169A  THR*     4.0     1.5    -      -       -      -
    170A  PRO*     3.0     8.0    -      -       -      +
    171A  GLN*     2.6    63.1    +      -       -      +
    173A  PHE*     3.7    26.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with HIS 111 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      5A  GLY      2.9     6.5    +      -       -      -
      6A  ILE*     3.4     9.5    -      -       +      +
      7A  LEU*     2.9    29.6    +      -       -      +
     36A  THR*     3.7    17.7    -      -       +      -
     40A  PHE*     3.9    27.1    -      +       +      -
    110A  THR*     1.3    76.7    -      -       -      +
    112A  ASP*     1.3    78.4    +      -       -      +
    115A  ARG*     2.8    36.6    +      -       +      +
    118A  ILE*     3.5    25.4    -      -       +      +
    169A  THR*     2.7    47.1    +      -       -      -
    170A  PRO*     3.4     4.9    -      -       +      +
    216A  ASN*     4.0     1.3    -      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 112 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7A  LEU*     3.9     9.5    -      -       -      +
     36A  THR*     3.8     1.1    -      -       -      +
     85A  ARG*     3.0    33.8    +      -       -      -
    111A  HIS*     1.3    90.1    -      -       -      +
    113A  SER*     1.3    64.9    +      -       -      +
    114A  VAL*     4.1    11.2    -      -       +      +
    115A  ARG*     2.9    44.4    +      -       +      +
    169A  THR*     3.0    19.6    +      -       -      +
    218A  LYS*     3.3    21.7    +      -       -      -
----------------------------------------------------------
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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