Contacts of the strand formed by residues 167 - 176 (chain A) in PDB entry 1BZH


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 GLU 167 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100A  TRP*     3.4    18.6    -      -       +      -
    161A  GLU*     3.3     4.0    -      -       -      +
    162A  ASN*     2.8    28.8    +      -       -      -
    165A  THR*     3.1    24.3    +      -       -      +
    166A  GLN*     1.3    80.0    -      -       -      +
    168A  THR*     1.3    68.4    +      -       -      +
    169A  ARG*     3.1    31.0    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 168 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    100A  TRP*     4.3     0.9    -      -       -      -
    159A  GLU*     4.0    25.6    +      -       -      +
    160A  LEU      3.3     5.6    -      -       -      -
    161A  GLU*     3.5    32.8    -      -       +      +
    166A  GLN      5.0     2.2    -      -       -      +
    167A  GLU*     1.3    84.1    -      -       -      +
    169A  ARG*     1.3    66.2    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ARG 169 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     99A  VAL      4.5     0.4    +      -       -      -
    100A  TRP*     2.5    71.2    +      -       +      +
    103A  LYS*     3.8    40.1    -      -       -      +
    104A  SER      5.4     4.0    +      -       -      -
    159A  GLU*     3.4     7.3    -      -       -      +
    160A  LEU*     2.8    30.6    +      -       -      +
    167A  GLU*     3.1    26.7    +      -       +      +
    168A  THR*     1.3    78.0    -      -       -      +
    170A  GLU*     1.3    61.7    +      -       -      +
    171A  ILE*     4.4    17.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 170 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    105A  ARG*     2.6    60.1    +      -       -      +
    157A  GLN*     2.4    38.8    -      -       +      +
    158A  LEU      3.3    11.0    -      -       -      +
    159A  GLU*     4.7     1.3    -      -       +      +
    169A  ARG*     1.3    75.3    -      -       -      +
    171A  ILE*     1.3    68.1    +      -       -      +
    172A  LEU*     3.3    16.1    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 171 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96A  TRP*     4.1    13.0    -      -       +      -
     99A  VAL*     3.7    15.5    -      -       +      -
    100A  TRP*     6.2     0.2    -      -       -      -
    104A  SER      3.5    23.1    -      -       -      +
    105A  ARG      3.5    10.1    -      -       -      +
    107A  VAL*     3.9    24.2    -      -       +      -
    156A  ARG      3.7     0.3    -      -       -      +
    157A  GLN*     3.9     1.0    -      -       -      -
    158A  LEU*     2.7    46.6    +      -       +      +
    160A  LEU*     3.9    31.6    -      -       +      +
    169A  ARG*     4.4    14.4    -      -       +      +
    170A  GLU*     1.3    80.4    -      -       -      +
    172A  LEU*     1.3    75.1    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 172 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    105A  ARG*     2.8    38.4    +      -       -      +
    106A  GLY*     3.2     3.1    -      -       -      -
    107A  VAL      3.0    25.5    +      -       -      +
    155A  VAL*     4.7     7.6    -      -       +      -
    156A  ARG      3.4     9.0    -      -       -      +
    157A  GLN*     4.5     7.9    -      -       +      +
    170A  GLU*     3.3    32.5    -      -       +      +
    171A  ILE*     1.3    75.5    -      -       -      +
    173A  HIS*     1.3    61.7    +      -       -      +
    174A  PHE*     3.6    18.9    +      -       +      -
    201A  SER*     3.7    31.2    -      -       -      +
    203A  SER*     4.0     5.6    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 173 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     96A  TRP*     4.9     0.2    -      +       -      -
    107A  VAL*     3.5    27.5    -      -       +      +
    109A  MET*     4.0    19.2    -      -       +      +
    124A  TYR*     2.6    31.8    +      +       -      -
    125A  TRP*     3.9    19.6    -      +       -      -
    154A  THR      3.3     2.8    -      -       -      +
    155A  VAL*     3.3     6.3    -      -       -      -
    156A  ARG*     2.7    81.3    +      -       +      +
    158A  LEU*     3.8    21.8    -      -       +      -
    171A  ILE      3.7     0.6    +      -       -      -
    172A  LEU*     1.3    73.1    -      -       -      +
    174A  PHE*     1.3    60.1    +      -       -      +
    175A  HIS*     4.3     3.3    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with PHE 174 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    106A  GLY*     4.8     1.8    -      -       -      -
    107A  VAL      2.7    18.3    +      -       -      +
    108A  VAL*     3.3     5.6    -      -       +      -
    109A  MET*     2.7    34.6    +      -       -      +
    153A  TYR*     5.0     0.7    -      +       -      -
    154A  THR      3.7     2.0    -      -       -      -
    155A  VAL*     3.7    33.2    -      -       +      -
    172A  LEU*     3.6    23.1    -      -       +      -
    173A  HIS*     1.3    72.5    -      -       -      +
    175A  HIS*     1.3    54.2    +      -       -      +
    194A  PHE*     3.6    24.0    -      +       +      -
    197A  LYS*     3.9    24.0    -      -       +      -
    198A  VAL*     3.7    28.5    -      -       +      -
    201A  SER*     3.2    27.4    -      -       -      -
    203A  SER*     3.5    24.5    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with HIS 175 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    109A  MET*     3.4    27.7    -      -       +      -
    111A  ASN      2.4    31.5    +      -       -      -
    112A  ARG*     4.1    10.5    -      -       +      +
    113A  VAL      5.2     0.4    -      -       -      -
    125A  TRP*     3.8    13.7    -      +       -      -
    154A  THR*     2.9    35.6    +      -       -      +
    156A  ARG*     3.3    40.0    +      -       -      +
    173A  HIS*     3.8     3.6    +      -       +      +
    174A  PHE*     1.3    71.6    -      -       -      +
    176A  TYR*     1.3    73.0    +      -       -      +
    177A  THR*     3.0    23.8    +      -       +      +
    194A  PHE*     3.8     4.6    -      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 176 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    109A  MET      2.9    13.4    +      -       -      +
    110A  LEU*     3.9    20.9    -      -       +      +
    111A  ASN      3.9     2.6    -      -       -      +
    112A  ARG*     5.3     0.2    +      -       -      -
    152A  TYR*     3.4    15.5    -      +       -      -
    153A  TYR*     3.9     0.2    -      -       -      -
    175A  HIS*     1.3    78.5    -      -       -      +
    177A  THR*     1.3    59.8    +      -       -      +
    178A  THR*     3.5    17.2    +      -       -      -
    179A  TRP*     3.2    59.7    +      +       +      +
    185A  PRO*     3.7    20.3    -      -       -      +
    190A  SER*     3.6    19.8    -      -       -      -
    191A  PHE*     3.7    28.7    +      +       +      -
    194A  PHE*     3.4    43.5    -      +       +      -
----------------------------------------------------------
 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