Contacts of the strand formed by residues 143 - 148 (chain N) 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 ARG 143 (chain N).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48N  HIS*     3.5    21.4    +      -       -      -
     57N  CYS*     3.0    54.2    +      -       +      +
     58N  THR*     3.5    12.1    +      -       -      +
     60N  ALA*     3.8     2.8    -      -       -      +
     61N  GLY      2.7    42.0    +      -       -      +
     62N  PRO*     4.5     3.0    -      -       -      +
     63N  HIS*     5.8     0.6    -      -       -      -
    118N  VAL*     3.7    23.8    -      -       +      -
    119N  VAL      4.2     0.7    -      -       -      -
    120N  HIS*     4.0    11.2    -      -       +      -
    141N  GLY      4.9     1.1    -      -       -      +
    142N  SER*     1.3    75.6    +      -       -      +
    144N  LEU*     1.3    64.7    +      -       -      +
    145N  ALA      3.5     1.1    +      -       -      -
----------------------------------------------------------
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Residues in contact with LEU 144 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10N  GLY*     3.5    15.8    -      -       -      -
     11N  ASP      4.3     3.6    +      -       -      -
     12N  GLY      4.8     3.6    +      -       -      -
     14N  VAL*     3.7    25.2    -      -       +      +
     38N  LEU*     3.5    29.2    -      -       +      -
     39N  THR*     5.7     2.0    -      -       +      +
     43N  HIS*     4.3     7.0    -      -       +      +
     57N  CYS*     4.9     0.7    -      -       -      -
    119N  VAL*     3.0    12.8    +      -       +      +
    120N  HIS      3.8     5.4    -      -       -      +
    121N  GLU*     3.6    42.8    -      -       +      +
    142N  SER*     3.5     9.4    +      -       -      +
    143N  ARG*     1.3    73.6    -      -       -      +
    145N  ALA*     1.3    62.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with ALA 145 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      8N  LEU*     4.2     7.2    -      -       +      -
      9N  LYS      3.1    26.2    -      -       -      +
     14N  VAL*     3.5    31.6    -      -       +      +
     57N  CYS*     3.5     6.1    -      -       -      -
    118N  VAL*     3.5     3.8    -      -       -      +
    119N  VAL*     3.1    29.6    +      -       +      +
    143N  ARG      3.5     1.4    -      -       -      -
    144N  LEU*     1.3    80.0    -      -       -      +
    146N  CYS*     1.3    64.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with CYS 146 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      7N  VAL      3.5     0.7    -      -       -      +
      8N  LEU*     3.3    10.5    -      -       -      +
      9N  LYS*     2.8    31.1    +      -       -      +
     53N  ASN*     3.9    15.2    -      -       -      -
     57N  CYS*     2.0    53.8    -      -       -      -
    116N  THR*     3.6    15.5    -      -       +      -
    117N  LEU      3.0    17.5    -      -       -      +
    118N  VAL*     3.9     6.5    -      -       +      -
    145N  ALA*     1.3    74.1    -      -       -      +
    147N  GLY*     1.3    61.6    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLY 147 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6N  CYS*     3.2     9.4    -      -       -      -
      7N  VAL      3.2    18.6    -      -       -      -
      8N  LEU*     3.7     2.2    -      -       -      +
     53N  ASN*     6.3     2.0    -      -       -      -
    116N  THR*     3.4     5.4    -      -       -      -
    117N  LEU      3.0    27.4    +      -       -      -
    146N  CYS*     1.3    79.7    -      -       -      +
    148N  VAL*     1.3    63.0    +      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 148 (chain N). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     51M  GLY      5.0     0.2    -      -       -      +
    148M  VAL*     3.5    47.8    -      -       +      +
    150M  GLY*     4.0    20.6    -      -       -      -
      5N  VAL      3.8     3.3    -      -       -      +
      6N  CYS*     3.7     9.8    -      -       -      -
      7N  VAL      4.6     1.6    +      -       -      -
     51N  GLY*     3.5    26.2    -      -       -      +
     53N  ASN*     5.0    13.5    -      -       +      -
    114N  GLY*     4.0     8.3    -      -       -      +
    115N  ARG      3.5    10.8    -      -       -      +
    116N  THR*     4.2     3.4    -      -       -      +
    147N  GLY*     1.3    75.3    -      -       -      -
    149N  ILE*     1.3    67.3    +      -       -      +
    150N  GLY      3.4     3.3    +      -       -      -
----------------------------------------------------------
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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