Contacts of the strand formed by residues 188 - 196 (chain A) in PDB entry 2AAZ


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 HIS 188 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     79A  GLU*     5.3     0.8    +      -       -      -
     83A  PHE*     3.7    27.3    -      +       -      -
    127A  TYR*     3.2    48.3    -      +       -      -
    131A  TRP*     4.4     4.9    +      +       -      -
    173A  ALA*     4.6     2.6    -      -       -      +
    186A  PRO*     4.2     0.7    -      -       -      +
    187A  CYS*     1.3    75.9    -      -       -      +
    189A  MET*     1.3    61.3    +      -       -      +
    190A  PHE      3.4     2.6    +      -       -      -
    213A  MET*     3.5    29.8    -      -       +      -
    214A  TYR      3.8     7.0    -      -       -      -
    215A  GLN*     4.1     2.5    -      -       +      -
    227A  ASN*     3.3    12.1    +      -       -      +
    230A  SER*     5.8     0.2    -      -       -      -
    231A  TYR*     2.6    37.2    +      +       -      +
    350A  UMP      3.2    24.9    +      -       -      -
   2351A  CB3      5.8     0.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 189 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    172A  SER*     2.9    14.9    +      -       -      -
    173A  ALA      3.1    11.8    +      -       -      -
    174A  TRP*     3.5    39.9    +      -       +      +
    186A  PRO*     4.3     9.2    -      -       -      +
    187A  CYS      3.1     5.6    +      -       -      +
    188A  HIS*     1.3    73.9    -      -       -      +
    190A  PHE*     1.3    69.4    +      -       +      +
    214A  TYR*     3.3    24.7    +      -       +      +
    216A  ARG*     3.7    26.5    -      -       -      -
    170B  ILE*     3.6    25.4    -      -       +      -
    172B  SER*     5.7     0.2    -      -       -      +
    190B  PHE*     3.5    39.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 190 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    131A  TRP*     6.3     0.2    -      -       -      +
    170A  ILE*     4.0     1.8    -      -       +      -
    171A  LEU      3.1    14.6    -      -       -      +
    172A  SER*     3.5    13.9    -      -       -      +
    174A  TRP*     6.0     0.2    -      -       +      -
    188A  HIS      3.4     3.2    +      -       -      -
    189A  MET*     1.3    87.4    -      -       +      +
    191A  CYS*     1.3    94.6    +      -       -      +
    192A  GLN*     4.3     3.4    -      -       +      -
    212A  LEU*     4.9     1.3    -      -       +      -
    213A  MET*     3.5     5.1    -      -       -      +
    214A  TYR*     3.0    44.8    +      -       +      -
    231A  TYR*     5.3     3.4    -      -       -      -
    189B  MET*     3.5    22.0    -      -       +      -
    190B  PHE*     2.8    38.8    -      +       -      -
    214B  TYR*     3.1    48.5    -      +       -      -
----------------------------------------------------------
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Residues in contact with CYS 191 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    170A  ILE*     3.5     3.3    -      -       -      -
    171A  LEU*     2.9    46.3    +      -       -      +
    190A  PHE*     1.3    86.2    -      -       -      +
    192A  GLN*     1.3    61.1    +      -       -      +
    193A  PHE*     3.4    35.2    -      -       -      -
    211A  CYS*     4.0     6.3    -      -       -      -
    212A  LEU      3.0    14.1    -      -       -      +
    213A  MET*     3.8     9.0    -      -       +      -
    231A  TYR*     3.8    26.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLN 192 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    167A  ARG*     3.6    21.4    +      -       -      +
    169A  ILE      3.4     6.3    -      -       -      +
    170A  ILE*     3.5    19.6    -      -       +      +
    190A  PHE*     4.5     2.0    -      -       +      -
    191A  CYS*     1.3    75.3    -      -       -      +
    193A  PHE*     1.3    75.2    +      -       -      +
    194A  PHE*     6.1     0.8    -      -       -      -
    211A  CYS*     3.3     2.1    -      -       -      -
    212A  LEU      2.7    34.9    +      -       -      +
     49B  PHE*     3.5    18.7    -      -       +      -
    214B  TYR*     2.5    36.0    +      -       -      +
    216B  ARG*     3.0    36.3    +      -       -      +
    254B  GLY*     3.5     1.6    -      -       -      -
    255B  ASP*     4.1     8.3    -      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 193 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    156A  VAL*     3.8    22.4    -      -       +      -
    160A  ILE*     4.4     2.5    -      -       +      -
    166A  ASP      5.3     0.9    -      -       -      +
    169A  ILE*     3.0    44.2    +      -       +      +
    171A  LEU*     4.3    11.0    -      -       +      -
    191A  CYS*     3.4    30.5    -      -       -      -
    192A  GLN*     1.3    86.0    +      -       -      +
    194A  PHE*     1.3    63.3    +      -       -      +
    209A  LEU*     4.0    22.4    -      -       +      -
    210A  SER      3.2    15.3    -      -       -      +
    211A  CYS*     3.7    22.4    -      -       +      -
    234A  LEU*     4.3     9.9    -      -       +      -
    235A  THR*     3.9    12.6    -      -       -      -
    238A  ILE*     3.4    33.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with PHE 194 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    166A  ASP      6.1     0.9    -      -       -      -
    169A  ILE*     5.2     1.6    -      -       -      -
    192A  GLN*     6.1     0.7    -      -       -      -
    193A  PHE*     1.3    74.9    -      -       -      +
    195A  VAL*     1.3    71.7    +      -       -      +
    196A  SER*     3.4    23.1    -      -       -      -
    208A  LYS      3.5     1.1    -      -       -      +
    209A  LEU*     3.5     4.5    -      -       -      +
    210A  SER*     2.8    37.7    +      -       -      +
     35B  GLU*     4.4     4.0    -      -       -      -
     37B  ARG*     3.5    35.9    -      -       -      -
     47B  ALA*     5.1     5.4    -      -       +      -
     48B  LEU*     5.0     3.1    -      -       -      -
     49B  PHE*     3.3    64.4    -      +       +      -
    255B  ASP*     3.6    30.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 195 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    160A  ILE*     3.9    31.4    -      -       +      +
    164A  PRO*     3.8    39.1    +      -       +      +
    169A  ILE*     4.6     3.1    -      -       +      -
    194A  PHE*     1.3    84.7    -      -       -      +
    196A  SER*     1.3    56.0    +      -       -      +
    197A  LEU*     3.8     3.6    +      -       +      +
    207A  PRO*     3.5    29.6    -      -       +      -
    208A  LYS      3.2     5.2    -      -       -      +
    209A  LEU*     4.0    11.0    -      -       +      -
    244A  THR*     4.5     7.9    -      -       +      -
     37B  ARG*     2.7    33.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with SER 196 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    194A  PHE*     3.4    15.9    -      -       -      -
    195A  VAL*     1.3    72.0    -      -       -      +
    197A  LEU*     1.3    65.2    +      -       -      +
    207A  PRO*     3.2     6.6    -      -       -      +
    208A  LYS*     2.8    51.4    +      -       -      +
    210A  SER*     5.7     0.9    +      -       -      -
    247A  HIS*     5.5     4.9    -      -       -      -
     35B  GLU*     3.4    22.9    +      -       -      -
     37B  ARG*     3.8     0.9    -      -       -      +
----------------------------------------------------------
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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