Contacts of the strand formed by residues 42 - 48 (chain A) in PDB entry 5TF6


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 THR 42 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38A  ARG*     2.8    28.2    +      -       -      +
     39A  GLU      4.1     5.2    -      -       -      +
     40A  LEU      3.7     1.0    -      -       -      -
     41A  THR*     1.3    84.6    +      -       -      +
     43A  VAL*     1.3    65.7    +      -       -      +
     84A  ARG*     3.7    45.7    +      -       +      +
     85A  ILE      3.2    11.4    -      -       -      +
     86A  GLU*     4.0    11.2    -      -       -      +
     93A  ALA*     4.5     0.2    -      -       -      +
    113A  HIS*     3.8     3.5    -      -       -      -
    114A  LEU*     3.0    33.6    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 43 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42A  THR*     1.3    77.9    -      -       -      +
     44A  LEU*     1.3    60.8    +      -       -      +
     45A  VAL*     4.4     3.4    -      -       +      -
     83A  ALA      3.7     0.3    -      -       -      +
     84A  ARG*     3.3     9.2    -      -       -      +
     85A  ILE*     2.8    58.6    +      -       +      -
     87A  PHE*     3.9    11.2    -      -       +      -
     93A  ALA*     3.7    38.1    -      -       +      +
     96A  ALA*     4.3     3.6    -      -       +      -
     97A  ILE*     4.2    12.1    -      -       +      -
    111A  VAL*     4.1    17.3    -      -       +      -
    112A  SER      3.2    13.7    -      -       -      +
    113A  HIS*     4.7     1.1    -      -       +      -
    114A  LEU*     4.1     4.7    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 44 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43A  VAL*     1.3    73.7    -      -       -      +
     45A  VAL*     1.3    66.0    +      -       -      +
     46A  LYS*     4.7     5.4    -      -       +      +
     82A  PHE*     4.0    24.0    -      -       +      -
     83A  ALA      3.4    10.8    -      -       -      +
    110A  ILE      3.4     2.1    -      -       -      +
    111A  VAL*     3.3     4.9    -      -       -      -
    112A  SER*     2.8    45.6    +      -       -      +
    113A  HIS      5.7     0.4    -      -       -      +
    114A  LEU*     4.0    19.9    -      -       +      +
    117A  CYS*     5.7     1.1    -      -       -      -
    145A  LEU*     3.6    30.5    -      -       +      -
    166A  THR*     3.4    31.0    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 45 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43A  VAL*     4.4     6.7    -      -       +      -
     44A  LEU*     1.3    76.5    -      -       -      +
     46A  LYS*     1.3    60.9    +      -       -      +
     48A  LEU*     3.6    32.1    -      -       +      -
     61A  PHE*     3.7    29.8    -      -       +      -
     81A  ARG      3.9     0.5    -      -       -      +
     82A  PHE*     3.2     8.7    -      -       -      -
     83A  ALA*     2.8    46.7    +      -       +      +
     85A  ILE*     4.0    19.7    -      -       +      -
    109A  ILE*     4.4    12.8    -      -       +      -
    110A  ILE      3.3     7.0    -      -       -      +
    111A  VAL*     4.2     7.6    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 46 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44A  LEU*     4.0     7.6    -      -       +      +
     45A  VAL*     1.3    74.5    -      -       -      +
     47A  ASN*     1.3    77.1    +      -       +      +
     48A  LEU      3.6     1.1    -      -       -      -
     80A  PHE*     3.8    22.7    -      -       +      -
     82A  PHE*     3.4    29.8    -      -       +      -
    109A  ILE*     3.3     6.2    -      -       -      +
    110A  ILE*     2.8    58.7    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ASN 47 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     46A  LYS*     1.3    86.8    -      -       +      +
     48A  LEU*     1.3    65.3    +      -       -      +
     80A  PHE*     3.4    35.8    -      -       +      +
     81A  ARG      3.4     5.1    +      -       -      -
    107A  ASN*     3.2    35.5    +      -       -      +
    108A  GLU*     3.1    27.8    +      -       -      +
    109A  ILE*     3.9     5.5    -      -       -      +
    110A  ILE*     5.7     1.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 48 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45A  VAL*     3.6    33.2    -      -       +      -
     47A  ASN*     1.3    79.6    -      -       -      +
     49A  PRO*     1.3    79.2    -      -       +      +
     52A  TYR*     4.2    19.1    -      -       +      -
     57A  VAL*     3.6    29.8    -      -       +      -
     60A  TYR*     6.2     0.4    -      -       +      -
     61A  PHE*     5.0     8.1    -      -       +      -
     72A  VAL*     5.6     0.2    -      -       +      -
     80A  PHE*     3.3     5.5    -      -       -      +
     81A  ARG*     2.7    37.8    +      -       +      +
     82A  PHE      4.8     1.1    -      -       -      +
     83A  ALA*     3.7    18.8    -      -       +      +
    104A  VAL*     4.4     9.9    -      -       +      -
    107A  ASN*     3.9     0.7    -      -       -      -
    109A  ILE*     3.9    15.0    -      -       +      -
----------------------------------------------------------
 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