Contacts of the strand formed by residues 62 - 66 (chain K) in PDB entry 5XRZ


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 LYS 62 (chain K).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54K  SER*     3.5    34.1    -      -       -      +
     55K  ARG      3.4     8.7    -      -       -      +
     56K  MET*     3.8    16.7    -      -       +      +
     61K  GLN*     1.3    77.5    -      -       +      +
     63K  VAL*     1.3    61.4    +      -       -      +
     64K  CYS*     4.9    11.0    -      -       -      -
    176K  ASN*     4.7    17.7    -      -       -      +
    180K  ARG*     5.7     8.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 63 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     54K  SER*     3.1     5.5    -      -       -      -
     55K  ARG*     2.8    44.2    +      -       +      +
     57K  ALA*     3.6    22.9    -      -       +      +
     61K  GLN*     3.2    17.7    -      -       -      +
     62K  LYS*     1.3    74.1    -      -       -      +
     64K  CYS*     1.3    68.4    +      -       -      +
    172K  LEU*     6.3     1.8    -      -       +      -
     40L    T      3.3    58.8    -      -       +      +
----------------------------------------------------------
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Residues in contact with CYS 64 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     52K  ILE*     3.6    16.6    -      -       +      -
     53K  SER      3.2    13.7    -      -       -      +
     54K  SER*     5.3     2.5    -      -       -      -
     62K  LYS*     4.9    13.7    -      -       -      -
     63K  VAL*     1.3    90.6    -      -       -      +
     65K  TYR*     1.3    63.4    +      -       -      +
    166K  ILE*     3.6    14.5    -      -       +      +
    172K  LEU*     3.7    38.4    -      -       +      +
    175K  LEU*     5.6     2.2    -      -       -      -
    176K  ASN*     5.6     8.1    -      -       -      -
     40L    T      4.3     9.2    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 65 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    169A  LYS*     4.3    15.9    +      -       -      -
     52K  ILE*     3.6     3.1    -      -       -      +
     53K  SER*     3.0    40.4    +      -       -      -
     54K  SER      4.0    15.9    +      -       -      -
     55K  ARG*     3.8    37.2    -      -       +      +
     64K  CYS*     1.3    76.8    -      -       -      +
     66K  ILE*     1.3    79.8    +      -       -      +
     67K  GLU*     3.7    24.3    -      -       +      +
    152K  LYS*     4.9     6.7    -      -       -      +
    156K  ARG*     5.9     2.2    -      -       -      +
    166K  ILE*     4.0     8.5    -      -       -      -
     40L    T      3.3    31.9    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 66 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     47K  LEU*     4.4    16.6    -      -       +      -
     51K  TYR*     4.4    14.4    -      -       +      +
     52K  ILE*     4.0    24.7    -      -       +      -
     65K  TYR*     1.3    84.3    -      -       -      +
     67K  GLU*     1.3    69.5    +      -       -      +
     70K  ARG*     3.8    14.4    -      -       +      -
     71K  VAL*     3.6    24.5    -      -       +      +
     74K  LEU*     5.0     6.5    -      -       +      -
    152K  LYS*     3.4    26.5    +      -       +      +
    156K  ARG*     6.1     0.4    -      -       -      +
    162K  LEU      5.3     0.4    -      -       -      -
    163K  GLY*     4.0    27.4    -      -       -      +
    165K  CYS*     5.7     0.7    -      -       -      -
    166K  ILE*     4.0    13.6    -      -       +      +
----------------------------------------------------------
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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