Contacts of the strand formed by residues 297 - 300 (chain 5) in PDB entry 1O19


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 ASN 297 (chain 5).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1515  ILE*     3.4    19.6    +      -       -      +
    1535  LEU*     4.5    14.1    -      -       -      +
    2785  THR*     3.2    34.4    +      -       -      +
    2825  ILE*     4.6     1.9    -      -       -      +
    2935  LEU      3.7     3.1    +      -       -      +
    2945  TYR*     5.0     1.8    -      -       -      +
    2965  ASN*     1.3    70.5    -      -       -      +
    2985  VAL*     1.3    63.4    +      -       -      +
    2995  MET*     3.8     2.2    +      -       -      -
    3135  MET*     4.4    12.3    -      -       -      +
    3175  ILE*     3.9     9.4    -      -       -      +
    3285  LYS      2.9    15.4    +      -       -      +
    3295  ILE*     3.5    26.8    -      -       +      +
    3305  ILE      2.7    30.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 298 (chain 5). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1415  SER*     4.5     9.6    -      -       -      +
    1425  LEU*     3.7    33.9    -      -       +      -
    1455  SER*     3.5    27.6    -      -       -      +
    1475  ARG*     4.3     9.4    -      -       -      -
    1515  ILE      2.9     6.4    +      -       -      +
    1525  VAL*     3.1    20.2    -      -       +      +
    1535  LEU*     2.9    25.8    +      -       -      +
    2965  ASN      3.4     3.1    +      -       -      +
    2975  ASN*     1.3    74.6    -      -       -      +
    2995  MET*     1.3    74.2    +      -       -      +
    3005  SER*     5.3     0.2    -      -       -      -
    3305  ILE*     3.3    18.2    -      -       +      +
    3325  PRO*     5.3     4.5    -      -       +      -
    3385  SER*     5.9     1.1    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 299 (chain 5). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1535  LEU*     3.6    36.3    -      -       +      +
    2975  ASN*     4.8     5.8    -      -       -      -
    2985  VAL*     1.3    77.9    -      -       -      +
    3005  SER*     1.3    62.8    +      -       -      +
    3045  THR*     3.8    18.6    -      -       -      +
    3095  ILE*     4.3    13.7    -      -       +      -
    3105  ALA*     4.0    15.0    -      -       -      -
    3135  MET*     4.8    10.5    -      -       -      -
    3295  ILE*     3.6    31.9    -      -       +      -
    3305  ILE      2.8    11.7    +      -       -      +
    3315  ALA*     3.4    29.4    -      -       +      -
    3325  PRO*     3.9    10.7    -      -       -      +
    3355  ARG*     3.8    14.1    -      -       -      +
    3385  SER*     4.4     1.9    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 300 (chain 5). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    1415  SER*     3.0    34.2    +      -       -      -
    1525  VAL*     3.6     4.6    -      -       -      +
    1535  LEU      3.1     9.2    +      -       -      +
    1545  ASP*     3.0    23.5    +      -       -      +
    1555  SER      3.1    21.3    +      -       -      -
    2985  VAL*     4.2     0.8    +      -       -      -
    2995  MET*     1.3    78.4    -      -       -      +
    3015  GLY*     1.3    60.0    +      -       -      +
    3045  THR*     3.3    10.6    -      -       -      +
    3355  ARG*     4.0     4.7    -      -       -      -
    3385  SER*     3.7    15.5    -      -       -      -
    3395  VAL*     4.5     1.7    -      -       -      +
----------------------------------------------------------
 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