Contacts of the strand formed by residues 445 - 452 (chain B) in PDB entry 3O8C


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 445 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    435B  THR      3.7     0.3    -      -       -      +
    436B  VAL*     3.4     5.0    -      -       -      +
    437B  ASP*     2.8    40.9    +      -       -      +
    439B  SER*     2.6    25.9    +      -       -      -
    441B  ASP*     3.7     6.2    +      -       -      -
    444B  PHE*     1.3    74.5    +      -       -      +
    446B  ILE*     1.3    70.1    +      -       -      +
    447B  GLU*     3.7    27.3    +      -       +      +
    601B  ARG*     3.2    28.2    -      -       +      +
    603B  GLY      5.7     1.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 446 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    434B  GLN*     4.2    21.8    -      -       +      +
    435B  THR      3.5     4.9    -      -       -      +
    436B  VAL*     3.9    24.2    -      -       +      -
    444B  PHE*     4.1    15.0    -      -       +      -
    445B  THR*     1.3    80.6    -      -       -      +
    447B  GLU*     1.3    62.4    +      -       -      +
    448B  THR*     4.3     1.1    +      -       -      +
    489B  SER*     4.1    11.4    -      -       -      -
    492B  CYS*     4.8     2.9    -      -       -      -
    532B  TRP*     4.5     6.1    -      -       +      -
    557B  PHE*     3.6    35.4    -      -       +      -
    601B  ARG      2.8    14.3    +      -       -      +
    602B  LEU*     3.8    39.1    -      -       +      +
    603B  GLY*     4.5     1.0    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 447 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    433B  THR      3.7     0.3    -      -       -      +
    434B  GLN*     3.2     5.9    -      -       -      +
    435B  THR*     2.9    47.8    +      -       -      +
    436B  VAL      5.7     0.2    -      -       -      -
    437B  ASP*     3.4    33.8    -      -       -      +
    445B  THR*     3.7    21.0    -      -       +      +
    446B  ILE*     1.3    73.2    -      -       -      +
    448B  THR*     1.3    62.3    +      -       -      +
    449B  THR*     4.6    12.3    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 448 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    432B  VAL*     3.4    30.3    -      -       +      -
    433B  THR      3.5     5.8    -      -       -      +
    434B  GLN*     3.9    18.2    +      -       +      +
    446B  ILE*     4.3     1.8    +      -       -      +
    447B  GLU*     1.3    73.9    +      -       -      +
    449B  THR*     1.3    70.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 449 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    432B  VAL*     3.4     3.3    -      -       -      +
    433B  THR*     2.8    41.6    +      -       -      +
    435B  THR*     4.8    10.8    +      -       -      +
    447B  GLU*     4.6    16.2    -      -       +      +
    448B  THR*     1.3    86.6    -      -       -      +
    450B  THR*     1.3    61.4    +      -       -      +
    451B  VAL*     3.5    18.5    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 450 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    350B  TYR*     6.3     0.2    -      -       +      -
    369B  HIS*     3.5    36.2    +      -       +      +
    430B  THR*     3.9    23.6    -      -       +      +
    431B  CYS      3.4     9.2    -      -       -      +
    432B  VAL*     3.7     7.9    -      -       -      +
    449B  THR*     1.3    73.3    -      -       -      +
    451B  VAL*     1.3    67.6    +      -       -      +
    452B  PRO*     4.8     0.2    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 451 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    430B  THR*     3.3     8.0    -      -       -      -
    431B  CYS*     2.7    48.0    +      -       +      +
    433B  THR*     3.7    24.7    -      -       +      -
    449B  THR*     3.5    21.1    -      -       -      +
    450B  THR*     1.3    80.3    -      -       -      +
    452B  PRO*     1.3    81.9    -      -       +      +
    481B  ARG*     3.4    19.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PRO 452 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    429B  ASN      3.7     8.7    -      -       -      +
    430B  THR*     4.3     5.8    -      -       +      -
    450B  THR      4.8     0.2    -      -       -      +
    451B  VAL*     1.3   100.6    -      -       +      +
    453B  GLN*     1.3    68.4    +      -       -      +
    454B  ASP      3.8     0.2    +      -       -      -
    477B  THR*     6.2     0.2    -      -       -      +
    480B  GLU*     6.3     0.4    -      -       -      -
    481B  ARG*     3.4    43.9    +      -       +      +
----------------------------------------------------------
 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