Contacts of the strand formed by residues 41 - 48 (chain K) in PDB entry 1OZT


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 41 (chain K).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39K  THR      3.3     0.4    +      -       -      -
     40K  GLU*     1.3    79.2    -      -       -      +
     42K  LEU*     1.3    68.9    +      -       -      -
     43K  HIS*     3.4     9.4    -      -       -      -
     88K  THR*     3.4     6.6    -      -       -      -
     89K  ALA      2.8    40.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 42 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41K  GLY*     1.3    73.2    -      -       -      -
     43K  HIS*     1.3    67.5    +      -       -      +
     86K  ASN*     3.9    23.1    -      -       +      +
     87K  VAL      3.5     2.5    -      -       -      +
     88K  THR*     3.2    33.2    -      -       +      +
    121K  GLU      4.4     0.7    -      -       -      +
    122K  LYS*     4.5     0.2    -      -       -      -
    123K  ALA*     3.4    36.9    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 43 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     38K  LEU*     3.5    20.4    -      -       +      +
     39K  THR*     2.8    47.1    +      -       +      -
     40K  GLU      4.8     0.2    +      -       -      -
     41K  GLY      3.4    23.4    +      -       -      -
     42K  LEU*     1.3    76.4    +      -       -      +
     44K  GLY*     1.3    65.9    +      -       -      +
     86K  ASN*     3.1     6.4    +      -       -      -
     87K  VAL*     2.9    37.4    +      -       +      +
     89K  ALA*     4.3     2.5    -      -       +      -
    119K  VAL*     3.9    13.9    -      -       +      -
    120K  HIS      2.8    23.6    +      -       -      +
    121K  GLU*     2.9    20.5    +      -       +      -
    122K  LYS      3.8     1.8    -      -       -      -
    144K  LEU*     4.2    12.9    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLY 44 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43K  HIS*     1.3    72.7    -      -       -      +
     45K  PHE*     1.3    59.5    +      -       -      -
     46K  ARG*     4.8     5.6    -      -       -      -
     85K  GLY      3.6     3.1    -      -       -      -
     86K  ASN*     3.2    13.1    +      -       -      -
    119K  VAL*     3.3     4.0    -      -       -      +
    120K  HIS*     2.5    44.1    +      -       -      -
    122K  LYS      2.9    20.5    +      -       -      -
    124K  ASP*     4.2     7.9    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 45 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8K  LEU*     5.5     1.1    -      -       +      -
     18K  ILE*     4.1    19.5    -      -       +      -
     31K  VAL*     4.1     9.0    -      -       +      -
     35K  ILE*     4.1    18.6    -      -       +      -
     43K  HIS      4.1     2.5    -      -       -      +
     44K  GLY*     1.3    72.1    -      -       -      -
     46K  ARG*     1.3    62.6    +      -       -      +
     84K  LEU*     3.2    56.4    +      -       +      +
     85K  GLY      3.0    16.2    +      -       -      +
     86K  ASN      4.2     3.1    -      -       -      -
     87K  VAL*     3.5    31.4    -      -       +      -
     97K  VAL*     4.3     2.5    -      -       +      -
     99K  ILE*     3.9    18.2    -      -       +      -
    117K  LEU*     3.9    34.1    -      -       +      -
    118K  VAL      3.6    10.1    -      -       -      -
    119K  VAL*     4.6    10.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 46 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44K  GLY*     4.9     4.6    -      -       -      -
     45K  PHE*     1.3    84.4    -      -       -      +
     47K  VAL*     1.3    64.5    +      -       -      +
     48K  HIS*     3.6    16.5    -      -       +      +
     63K  HIS*     2.9    45.8    +      -       +      -
     82K  GLY      3.3    10.5    -      -       -      +
     83K  ASP*     3.2    16.4    +      -       -      +
     84K  LEU*     4.7     1.1    -      -       -      +
    117K  LEU*     3.4     4.9    -      -       -      +
    118K  VAL      2.7    40.6    +      -       -      +
    120K  HIS*     3.3    34.7    +      -       -      +
    122K  LYS      5.8     0.2    +      -       -      -
    123K  ALA      5.2     1.4    +      -       -      -
    124K  ASP*     3.4    36.4    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 47 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20K  PHE*     5.3     0.4    -      -       +      -
     46K  ARG*     1.3    75.7    -      -       -      +
     48K  HIS*     1.3    69.8    +      -       -      +
     63K  HIS*     3.8     3.1    -      -       -      -
     64K  PHE*     2.9    27.6    +      -       +      +
     82K  GLY*     2.9    23.6    +      -       -      +
     84K  LEU*     4.2    16.6    -      -       +      -
    104K  ILE*     4.8     2.2    -      -       +      -
    112K  ILE*     3.9    42.8    -      -       +      -
    115K  ARG*     4.0    12.3    -      -       +      -
    116K  THR      3.2     9.9    -      -       -      +
    117K  LEU*     4.1    15.0    -      -       +      -
    149K  ILE*     4.3     6.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 48 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     46K  ARG*     3.6    16.0    -      -       +      +
     47K  VAL*     1.3    79.6    -      -       -      +
     49K  GLU*     1.3    67.3    +      -       -      +
     50K  PHE      3.4     0.7    -      -       -      -
     60K  ALA*     3.6    23.8    -      -       +      +
     61K  GLY      3.0    17.4    +      -       -      -
     62K  PRO      3.3    12.4    +      -       -      +
     63K  HIS*     3.8    17.0    -      +       -      -
     64K  PHE*     3.7     2.5    -      -       -      +
    115K  ARG*     3.4     7.4    -      -       -      +
    116K  THR      2.6    29.7    +      -       -      +
    118K  VAL*     3.3    21.4    -      -       +      +
    120K  HIS*     3.0    36.1    +      +       -      -
    143K  ARG*     3.5    22.2    +      -       -      -
----------------------------------------------------------
 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