Contacts of the strand formed by residues 65 - 73 (chain G) in PDB entry 2CFX


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 VAL 65 (chain G).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112B  LEU*     4.8    12.8    -      -       +      -
     63G  LEU      3.1     4.2    -      -       -      +
     64G  PRO*     1.3    85.7    -      -       +      +
     66G  SER*     1.3    67.2    +      -       -      +
     67G  CYS*     4.7     2.0    -      -       -      -
    107G  ILE      4.0     0.3    -      -       -      +
    108G  ASN*     3.5     3.6    -      -       -      -
    109G  ALA*     2.8    35.3    +      -       +      +
    110G  GLU      4.7     1.8    -      -       -      +
    111G  SER*     4.0    12.1    -      -       -      +
    112G  LEU*     4.0    35.9    -      -       +      +
    115G  VAL*     3.7    30.5    -      -       +      -
    132G  VAL*     5.2     3.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 66 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    112B  LEU*     5.8     0.8    -      -       -      +
     64G  PRO      4.2     1.9    +      -       -      -
     65G  VAL*     1.3    76.8    -      -       -      +
     67G  CYS*     1.3    58.9    +      -       -      +
    106G  LYS*     3.5    11.5    +      -       -      -
    107G  ILE      3.4     2.7    +      -       -      -
    108G  ASN*     2.9    27.9    +      -       -      -
    132G  VAL*     3.7     3.9    -      -       -      +
    133G  ILE*     2.7    57.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with CYS 67 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    134B  PHE*     5.4     0.4    -      -       -      -
     65G  VAL*     4.7     1.6    -      -       -      -
     66G  SER*     1.3    77.9    -      -       -      +
     68G  ILE*     1.3    61.9    +      -       -      +
     69G  VAL*     4.1     1.1    -      -       +      -
    105G  LEU      4.0     0.2    -      -       -      +
    106G  LYS*     3.4     6.1    -      -       -      +
    107G  ILE*     2.9    44.4    +      -       +      +
    112G  LEU*     5.6     0.2    -      -       -      -
    115G  VAL*     3.7    28.9    -      -       -      +
    130G  THR*     3.5    30.3    -      -       +      -
    131G  HIS      3.3     9.6    -      -       -      +
    132G  VAL*     4.0    18.2    -      -       -      -
    133G  ILE*     3.9     8.1    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 68 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     93D  PHE*     5.1     0.7    -      -       +      -
     95D  TYR*     3.9    16.4    -      -       +      -
     97D  ILE*     4.2    12.1    -      -       +      -
    104D  MET*     4.0    22.2    -      -       +      -
     67G  CYS*     1.3    72.6    -      -       -      +
     69G  VAL*     1.3    66.9    +      -       -      +
     70G  GLU      4.2     0.2    -      -       -      -
     93G  PHE*     3.9    22.4    -      -       +      -
    104G  MET*     3.7    33.4    -      -       +      -
    105G  LEU      3.4     7.4    -      -       -      +
    106G  LYS*     4.0     8.5    -      -       +      -
    131G  HIS*     2.7    50.7    +      -       +      +
    133G  ILE*     3.8    28.2    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 69 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     67G  CYS*     4.1     7.4    -      -       +      -
     68G  ILE*     1.3    84.3    -      -       -      +
     70G  GLU*     1.3    66.7    +      -       -      +
     71G  ALA*     3.8     2.6    +      -       +      +
    104G  MET*     3.5     1.9    -      -       -      -
    105G  LEU*     2.9    54.6    +      -       +      +
    107G  ILE*     4.0    26.2    -      -       +      -
    115G  VAL*     5.5     0.7    -      -       +      -
    118G  PHE*     4.4     9.9    -      -       +      -
    119G  ILE*     4.2     9.9    -      -       +      -
    128G  THR*     3.8    31.4    -      -       +      -
    129G  VAL      3.4     5.4    -      -       -      +
    130G  THR*     4.1    11.7    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 70 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     70D  GLU*     4.6    11.6    -      -       -      +
    131D  HIS*     5.6     4.0    +      -       -      -
     68G  ILE      4.2     0.6    -      -       -      -
     69G  VAL*     1.3    74.8    -      -       -      +
     71G  ALA*     1.3    58.5    +      -       -      +
     97G  ILE*     5.3     0.2    -      -       +      -
    100G  ALA*     6.0     1.2    -      -       -      +
    101G  ALA*     3.6    27.3    +      -       +      +
    103G  TYR      3.5     3.8    -      -       -      +
    104G  MET*     3.8    26.0    -      -       +      +
    127G  GLN      3.6     0.5    -      -       -      +
    128G  THR*     3.2     6.4    -      -       -      -
    129G  VAL*     3.0    48.7    +      -       +      +
    131G  HIS*     2.7    32.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ALA 71 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     69G  VAL*     3.8     5.4    +      -       +      +
     70G  GLU*     1.3    75.2    -      -       -      +
     72G  THR*     1.3    61.8    +      -       -      +
     73G  VAL      4.1     0.7    -      -       -      +
     81G  PHE*     4.0    32.1    -      -       +      -
    101G  ALA*     3.6     0.7    -      -       -      +
    102G  CYS*     2.8    26.8    +      -       -      +
    103G  TYR*     2.7    26.0    +      -       +      +
    105G  LEU*     5.0     5.4    -      -       +      -
    126G  ALA*     4.3     4.9    -      -       +      -
    127G  GLN      3.1     7.2    -      -       -      +
    128G  THR*     4.9     6.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 72 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    127E  GLN*     6.3     3.6    -      -       +      -
     71G  ALA*     1.3    71.9    -      -       -      +
     73G  VAL*     1.3    70.2    +      -       -      +
    100G  ALA      4.0    10.3    +      -       -      +
    101G  ALA*     3.5    20.4    -      -       -      +
    102G  CYS*     3.7    13.0    -      -       -      -
    126G  ALA*     3.1     2.7    -      -       -      -
    127G  GLN*     2.7    62.5    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 73 (chain G). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     74E  LYS*     5.9     0.9    +      -       -      -
     72G  THR*     1.3    80.2    -      -       -      +
     74G  LYS*     1.3    61.8    +      -       -      +
     75G  ASN      4.3     0.3    +      -       -      -
     76G  ALA*     4.0     7.2    +      -       -      -
     77G  ASP      3.3    40.8    -      -       -      +
     78G  TYR*     3.9    16.9    +      -       +      +
     81G  PHE*     3.9    25.8    -      -       +      -
    102G  CYS*     3.3    15.7    -      -       -      -
    103G  TYR*     3.6    32.1    -      -       +      -
    125G  TYR      3.7     4.7    -      -       -      +
    126G  ALA*     4.1     0.7    -      -       +      -
----------------------------------------------------------
 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