Contacts of the strand formed by residues 54 - 67 (chain I) in PDB entry 3IT8


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 GLY 54 (chain I).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7G  THR      5.5     1.3    +      -       -      -
      8G  PRO      4.5     3.4    -      -       -      -
      9G  SER*     6.0     0.7    -      -       -      -
     52I  SER      3.6     0.6    +      -       -      -
     53I  GLU*     1.3    76.0    -      -       -      +
     55I  LEU*     1.3    60.5    +      -       -      -
     56I  TYR*     3.4    13.3    -      -       -      -
    125I  GLN*     3.5    17.0    +      -       -      +
    126I  LEU      2.8    37.0    +      -       -      -
    156I  ALA*     6.5     0.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 55 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8G  PRO*     3.6     8.9    +      -       +      +
      9G  SER*     3.1    30.4    -      -       -      +
     11G  LYS*     4.7     1.6    -      -       +      +
     13G  VAL*     3.9    22.9    -      -       +      -
     36G  LEU*     4.2    14.1    -      -       +      -
    155G  ILE*     3.9    13.7    -      -       +      -
     54I  GLY*     1.3    72.7    -      -       -      -
     56I  TYR*     1.3    63.6    +      -       -      +
    123I  VAL*     4.1    17.3    -      -       +      -
    124I  PHE      3.4     1.8    -      -       -      +
    125I  GLN*     3.4    40.6    -      -       +      +
    156I  ALA*     3.7     2.6    -      -       -      +
    157I  LEU*     3.0    42.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 56 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12I  PRO*     3.7    16.9    -      -       +      +
     50I  VAL*     3.0    33.5    -      -       +      +
     51I  PRO*     3.8     2.5    -      -       +      +
     52I  SER*     3.0    34.7    +      -       -      -
     53I  GLU      4.6     0.4    -      -       -      -
     54I  GLY*     3.4    25.4    -      -       -      -
     55I  LEU*     1.3    76.5    -      -       -      +
     57I  LEU*     1.3    61.4    +      -       -      +
     58I  ILE*     3.6    10.4    +      -       +      +
    123I  VAL*     3.2     7.4    -      -       -      +
    124I  PHE*     2.8    34.4    +      -       -      +
    126I  LEU*     3.8    26.5    -      -       +      -
    154I  ILE*     4.0    21.1    -      -       +      -
    155I  ILE      3.5     5.6    -      -       -      +
    156I  ALA*     3.7    31.4    -      -       +      -
    157I  LEU*     4.9     1.1    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 57 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57G  LEU*     3.9    16.6    -      -       +      -
     59G  TYR*     5.7     1.3    -      -       +      -
    119G  TYR*     5.7     2.2    -      -       -      +
     57H  LEU*     3.8    35.9    -      -       +      -
    123H  VAL*     5.2     0.2    -      -       +      -
    157H  LEU*     5.2     0.4    -      -       +      -
     56I  TYR*     1.3    71.9    -      -       -      +
     58I  ILE*     1.3    68.0    +      -       -      +
     59I  TYR*     4.4    13.4    -      -       +      -
    121I  GLY*     5.0     1.3    -      -       -      -
    122I  GLY*     3.6    22.0    -      -       -      +
    123I  VAL*     4.3     9.6    -      -       +      +
    153I  GLY      4.0     0.2    -      -       -      +
    154I  ILE*     3.0    25.5    -      -       -      +
    155I  ILE*     2.9    34.2    +      -       +      +
    157I  LEU*     3.9    17.5    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 58 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     56I  TYR*     4.2    11.0    -      -       +      +
     57I  LEU*     1.3    77.9    -      -       -      +
     59I  TYR*     1.3    64.8    +      -       -      +
     80I  ILE*     3.7    31.2    -      -       +      -
     93I  LEU*     4.0    16.8    -      -       +      -
     94I  LEU*     4.0     3.7    -      -       +      +
    121I  GLY*     3.1     3.6    -      -       -      -
    122I  GLY      2.9    36.5    +      -       -      +
    124I  PHE*     4.0    13.9    -      -       +      -
    126I  LEU*     4.1    10.5    -      -       +      -
    132I  LEU*     3.6    32.1    -      -       +      -
    152I  PHE*     4.1     5.4    -      -       +      -
    153I  GLY      3.6     3.8    -      -       -      +
    154I  ILE*     3.9    20.9    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 59 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     57H  LEU*     5.6     2.2    -      -       +      -
    121H  GLY      3.6    12.1    -      -       -      -
    122H  GLY*     3.5    15.3    -      -       -      -
    123H  VAL*     2.8    41.0    +      -       +      +
     14I  ALA      4.1     0.7    +      -       -      -
     15I  HIS*     2.6    36.1    +      -       -      +
     57I  LEU*     4.4    18.4    -      -       +      -
     58I  ILE*     1.3    80.5    -      -       -      +
     60I  SER*     1.3    66.4    +      -       -      +
     80I  ILE*     3.9     4.3    -      -       -      -
    119I  TYR*     3.4    15.9    -      -       +      +
    120I  LEU      3.1    13.9    -      -       -      +
    121I  GLY*     4.0     2.7    -      -       -      -
    151I  TYR*     3.7    14.4    -      +       -      -
    152I  PHE*     3.3     3.8    -      -       -      -
    153I  GLY*     2.9    57.5    +      -       -      +
    154I  ILE*     4.0     3.6    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 60 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     28I  TRP*     4.4     2.6    -      -       -      -
     59I  TYR*     1.3    82.4    -      -       -      +
     61I  GLN*     1.3    66.3    +      -       -      +
     78I  HIS*     2.9    29.9    +      -       -      -
     80I  ILE*     3.8    16.2    -      -       -      -
    119I  TYR*     3.6     4.1    -      -       -      -
    120I  LEU*     2.9    31.8    +      -       -      +
    134I  ALA*     4.0     8.0    -      -       -      +
    151I  TYR*     2.9    17.3    +      -       -      -
    152I  PHE*     4.0     8.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 61 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     95H  SER      3.4    14.8    -      -       -      +
     96H  ALA*     4.1     9.3    -      -       -      +
    118H  ILE*     5.6     0.2    -      -       -      +
    119H  TYR      3.3    24.7    +      -       -      -
    120H  LEU*     3.4    14.5    -      -       -      +
     60I  SER*     1.3    76.3    +      -       -      +
     62I  VAL*     1.3    76.0    +      -       -      +
     63I  LEU*     5.3     1.0    -      -       -      +
     78I  HIS*     3.9     0.2    -      -       -      -
    117I  PRO*     4.9     6.5    -      -       -      +
    118I  ILE      3.3    17.2    -      -       -      +
    119I  TYR*     4.0     7.4    -      -       +      +
    149I  GLN      3.2    17.5    -      -       -      +
    150I  VAL*     3.1     4.5    -      -       -      +
    151I  TYR*     2.8    69.4    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 62 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     26I  LEU*     4.6     7.6    -      -       +      -
     28I  TRP*     5.0     1.1    -      -       +      -
     60I  SER*     4.5     1.6    -      -       -      +
     61I  GLN*     1.3    80.6    -      -       -      +
     63I  LEU*     1.3    61.3    +      -       -      +
     64I  PHE*     3.4    33.2    -      -       +      -
     78I  HIS*     3.4    40.8    -      -       +      +
    116I  GLU      4.2     0.2    -      -       -      +
    117I  PRO*     3.4     2.9    -      -       -      +
    118I  ILE*     3.1    26.7    +      -       +      +
    136I  ILE*     3.7    16.8    -      -       +      -
    142I  LEU*     4.6     8.1    -      -       +      -
    149I  GLN      3.8     2.9    -      -       -      -
    150I  VAL*     4.2    13.5    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 63 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     95H  SER      5.4     0.2    -      -       -      +
     96H  ALA*     4.8     3.6    -      -       +      -
     97H  ILE*     4.3    22.2    -      -       +      +
     61I  GLN*     5.3     0.4    -      -       -      +
     62I  VAL*     1.3    74.0    -      -       -      +
     64I  PHE*     1.3    78.2    +      -       -      +
    115I  TYR*     4.3    12.1    -      -       +      -
    116I  GLU      3.9    17.3    -      -       -      +
    117I  PRO*     4.2    10.1    -      -       +      -
    142I  LEU*     3.8     4.1    -      -       -      +
    143I  LEU*     2.8    47.1    +      -       +      +
    149I  GLN*     3.5    52.4    +      -       +      +
    150I  VAL*     3.8     4.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 64 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     62I  VAL*     3.4    22.9    -      -       +      -
     63I  LEU*     1.3    82.2    -      -       -      +
     65I  LYS*     1.3    59.9    +      -       -      +
     76I  LEU*     3.5    56.1    -      -       +      -
     77I  THR      4.1     9.9    -      -       -      -
    114I  TRP*     3.8     7.4    -      -       +      -
    115I  TYR*     3.4     1.9    -      -       -      -
    116I  GLU      2.9    44.7    +      -       -      +
    118I  ILE*     4.0    14.6    -      -       +      -
    136I  ILE*     3.8    38.6    -      -       +      -
    137I  ASN*     4.7     0.2    -      -       -      -
    138I  ARG*     3.9    17.3    -      -       +      -
    141I  TYR*     3.3    18.2    -      -       +      +
    142I  LEU*     4.6     2.0    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 65 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     64I  PHE*     1.3    76.6    -      -       -      +
     66I  GLY*     1.3    64.8    +      -       -      +
     67I  GLN*     4.0    22.4    -      -       -      +
    113I  PRO*     4.6     3.1    -      -       -      -
    114I  TRP*     3.2    17.7    -      -       -      +
    115I  TYR*     3.2    33.3    +      -       +      -
    140I  ASP      5.0     0.2    -      -       -      +
    141I  TYR*     2.7    32.9    +      -       -      +
    143I  LEU*     3.5    44.6    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 66 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65I  LYS*     1.3    76.2    -      -       -      +
     67I  GLN*     1.3    66.5    +      -       -      +
    113I  PRO*     3.2     3.2    -      -       -      +
    114I  TRP*     2.8    61.5    +      -       -      -
    141I  TYR*     4.0     9.4    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 67 (chain I). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     65I  LYS*     4.0    16.1    -      -       +      +
     66I  GLY*     1.3    70.1    -      -       -      +
     68I  GLY*     1.3    69.0    +      -       -      +
     69I  CYS      5.0     1.2    -      -       -      -
     70I  PRO*     5.5     0.9    -      -       -      +
    111I  ALA      4.7     0.4    -      -       -      -
    113I  PRO*     3.0    35.4    -      -       -      +
    141I  TYR*     5.3     1.2    -      -       -      -
----------------------------------------------------------
 Back to top of page


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