Contacts of the strand formed by residues 131 - 144 (chain D) in PDB entry 1QD6


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 TRP 131 (chain D).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    126D  TYR      3.6     2.1    -      -       -      +
    127D  ARG*     4.6     0.2    -      -       -      -
    128D  PHE*     2.9    40.0    +      -       +      +
    129D  ALA*     3.1    27.4    +      -       +      -
    130D  GLY*     1.3    78.2    -      -       -      +
    132D  THR*     1.3    60.3    +      -       -      +
    133D  LEU      3.7     0.9    +      -       -      -
    164D  ALA*     3.9    20.6    -      -       +      -
    165D  GLU*     3.3    32.3    -      -       -      -
    166D  ASN*     3.6    27.2    -      -       +      +
    169D  TRP*     3.6    30.1    -      +       +      -
    171D  VAL*     3.6    32.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 132 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    125D  ASP*     3.8    17.3    -      -       -      +
    126D  TYR      3.3     9.6    -      -       -      +
    127D  ARG*     3.6    25.9    +      -       +      +
    130D  GLY      3.8     3.8    +      -       -      -
    131D  TRP*     1.3    69.5    -      -       -      +
    133D  LEU*     1.3    71.8    +      -       -      +
    134D  ARG*     3.2    34.8    +      -       -      +
    164D  ALA*     4.1     1.3    -      -       -      -
    165D  GLU*     2.9    46.8    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 133 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    124D  THR*     2.8    32.7    +      -       +      +
    125D  ASP*     3.7     1.2    -      -       -      -
    126D  TYR*     2.7    44.4    +      -       +      +
    131D  TRP      3.7     3.2    +      -       -      -
    132D  THR*     1.3    69.7    -      -       -      +
    134D  ARG*     1.3    58.3    +      -       -      +
    135D  ASP      4.1     7.2    -      -       -      +
    136D  VAL*     3.6    24.2    -      -       +      -
    162D  LEU*     4.3    16.2    -      -       +      -
    163D  MET      3.5    24.2    -      -       -      +
    164D  ALA*     4.0    10.5    -      -       +      +
----------------------------------------------------------
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Residues in contact with ARG 134 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14B  VAL*     4.3    16.7    -      -       +      +
     17B  SER*     4.3     4.2    +      -       -      -
    123D  ALA*     3.4     7.4    -      -       -      +
    124D  THR*     2.9    37.5    +      -       -      +
    125D  ASP*     3.1    35.8    +      -       -      -
    127D  ARG*     4.3     6.5    -      -       -      +
    132D  THR*     3.2    29.4    +      -       -      +
    133D  LEU*     1.3    71.4    -      -       -      +
    135D  ASP*     1.3    70.8    +      -       -      +
    163D  MET*     2.7    27.0    +      -       +      +
    165D  GLU*     3.0    37.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with ASP 135 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17B  SER*     2.6    32.2    +      -       -      -
     18B  ILE      3.2     5.1    +      -       -      -
     19B  ILE*     2.9    33.4    +      -       +      +
    122D  PHE      3.6     3.4    -      -       -      -
    133D  LEU*     4.1     1.9    -      -       -      +
    134D  ARG*     1.3    83.3    -      -       -      +
    136D  VAL*     1.3    66.9    +      -       -      +
    137D  GLU      4.2     0.2    -      -       -      -
    161D  ARG*     3.0    29.6    +      -       -      +
    162D  LEU*     3.4     5.2    -      -       -      -
    163D  MET*     3.0    45.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 136 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19B  ILE*     5.3     0.2    -      -       -      -
    121D  GLY*     3.4     1.6    -      -       -      -
    122D  PHE*     2.7    56.0    +      -       +      +
    124D  THR*     4.2    15.7    -      -       +      -
    133D  LEU*     3.6    27.1    -      -       +      -
    135D  ASP*     1.3    80.1    -      -       -      +
    137D  GLU*     1.3    64.2    +      -       -      +
    138D  MET*     6.1     1.3    -      -       +      -
    160D  THR*     5.0     3.4    -      -       +      -
    161D  ARG      3.6     3.1    -      -       -      -
    162D  LEU*     3.8    17.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with GLU 137 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     19B  ILE*     4.0     7.1    -      -       +      +
     35D  TYR*     2.7    27.1    +      -       -      -
    119D  PHE*     3.5    33.8    -      -       +      -
    120D  LEU      3.4     4.5    -      -       -      +
    121D  GLY*     4.6     3.6    -      -       -      -
    136D  VAL*     1.3    78.5    -      -       -      +
    138D  MET*     1.3    62.6    +      -       -      +
    159D  TYR*     2.7    29.4    +      -       +      +
    160D  THR*     3.1     8.6    -      -       -      +
    161D  ARG*     2.7    78.1    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 138 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    119D  PHE*     3.2     3.5    -      -       -      -
    120D  LEU*     2.8    40.6    +      -       +      +
    122D  PHE*     6.5     0.4    -      -       +      -
    136D  VAL*     5.5     2.2    -      -       +      +
    137D  GLU*     1.3    74.4    -      -       -      +
    139D  GLY*     1.3    67.4    +      -       -      +
    158D  LEU*     5.4     8.1    -      -       +      -
    159D  TYR*     3.4    26.9    -      -       -      +
    160D  THR*     4.1    14.4    -      -       +      +
----------------------------------------------------------
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Residues in contact with GLY 139 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    118D  LEU      3.1    12.3    -      -       -      -
    119D  PHE*     3.9     1.6    -      -       -      -
    138D  MET*     1.3    83.3    -      -       -      +
    140D  TYR*     1.3    58.1    +      -       -      -
    158D  LEU*     3.4     9.1    -      -       -      +
    159D  TYR*     3.0    46.1    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 140 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    116D  PRO*     5.5     2.2    -      -       +      -
    117D  GLN*     3.3     6.9    -      -       -      +
    118D  LEU*     2.8    44.3    +      -       +      +
    139D  GLY*     1.3    74.9    -      -       -      -
    141D  ASN*     1.3    73.6    +      -       -      +
    142D  HIS*     3.7    21.4    +      -       +      +
    156D  ASN*     2.5    38.9    +      -       +      -
    157D  ARG      3.5     8.7    -      -       -      -
    158D  LEU*     4.2    18.8    -      -       +      -
    159D  TYR*     3.9     1.3    -      -       -      -
    179D  VAL*     4.8     5.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with ASN 141 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    115D  GLU*     2.8    30.6    +      -       -      +
    116D  PRO      3.7     3.6    -      -       -      -
    117D  GLN*     2.8    32.2    +      -       -      +
    140D  TYR*     1.3    80.8    -      -       -      +
    142D  HIS*     1.3    72.6    +      -       -      +
    143D  ASP      3.7     0.5    +      -       -      -
    156D  ASN*     3.4     3.8    -      -       -      -
    157D  ARG*     2.8    73.0    +      -       +      +
    159D  TYR*     3.9     9.2    -      -       +      -
    174D  LYS*     4.1     4.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 142 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     98C  TRP*     5.5     2.9    -      +       -      -
    115D  GLU*     3.3     7.3    -      -       -      -
    116D  PRO*     3.1    40.5    +      -       +      +
    140D  TYR*     3.7    18.5    -      -       +      +
    141D  ASN*     1.3    79.9    -      -       -      +
    143D  ASP*     1.3    58.0    +      -       -      +
    144D  SER*     3.6     5.6    -      -       -      -
    154D  SER*     4.2    18.6    -      -       -      -
    155D  TRP      3.4    12.1    +      -       -      -
    156D  ASN*     3.0    29.3    +      -       -      -
    270D  HDS      3.0    40.2    +      -       +      -
----------------------------------------------------------
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Residues in contact with ASP 143 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    113D  ASN*     3.9    16.2    -      -       -      +
    114D  TYR      3.6     6.9    -      -       -      +
    115D  GLU*     4.0    19.9    -      -       +      +
    141D  ASN*     3.8     1.1    -      -       -      +
    142D  HIS*     1.3    75.8    -      -       -      +
    144D  SER*     1.3    62.1    +      -       -      +
    154D  SER*     3.2     4.2    -      -       -      -
    155D  TRP*     3.1    51.3    +      -       +      +
    157D  ARG*     3.7    21.8    +      -       -      +
    192D  MET*     5.3     4.2    -      -       -      +
    249D  LEU*     3.5    25.7    -      -       -      +
----------------------------------------------------------
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Residues in contact with SER 144 (chain D). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    113D  ASN*     3.4     4.2    -      -       -      -
    114D  TYR*     2.8    33.1    +      -       -      -
    142D  HIS*     3.6     9.4    -      -       -      -
    143D  ASP*     1.3    76.1    -      -       -      +
    145D  ASN*     1.3    57.8    +      -       -      +
    153D  ARG      3.5     6.1    -      -       -      -
    154D  SER*     3.8    11.4    -      -       -      -
    249D  LEU*     3.5     5.4    -      -       -      +
    270D  HDS      1.4    59.7    +      -       -      -
----------------------------------------------------------
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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