Contacts of the strand formed by residues 944 - 949 (chain A) in PDB entry 3OPY


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 944 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    535A  GLU*     3.8     4.2    +      -       -      +
    881A  ARG*     3.9     5.2    -      -       -      +
    940A  ILE*     3.4     3.0    -      -       -      -
    941A  GLN*     3.0    36.1    +      -       -      +
    943A  SER*     1.4    80.8    -      -       -      +
    945A  VAL*     1.4    70.5    -      -       -      +
    946A  THR*     4.1    16.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 945 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    881A  ARG*     3.6    38.8    -      -       +      +
    882A  LEU*     4.1    16.4    -      -       +      -
    885A  LYS*     4.0    29.9    +      -       +      +
    938A  ILE*     3.7    28.3    -      -       +      -
    939A  GLY      3.2     6.1    -      -       -      +
    940A  ILE*     4.8     3.8    -      -       +      -
    944A  GLU*     1.4    84.5    -      -       -      +
    946A  THR*     1.3    62.3    +      -       -      +
    947A  PHE*     3.9    22.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with THR 946 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    734A  GLY      3.7     7.4    +      -       -      -
    937A  VAL      3.1     5.1    -      -       -      +
    938A  ILE*     3.3     3.5    -      -       -      +
    939A  GLY      2.7    39.0    +      -       -      -
    941A  GLN*     3.2    47.9    +      -       +      +
    944A  GLU*     4.1    16.8    -      -       -      +
    945A  VAL*     1.3    77.9    -      -       -      +
    947A  PHE*     1.3    64.9    +      -       -      +
    948A  THR*     4.1     6.9    +      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 947 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    885A  LYS*     3.7    37.7    -      -       +      -
    888A  ASN*     6.4     0.4    -      -       +      -
    889A  PHE*     3.7    27.1    -      +       +      -
    936A  VAL*     3.6    16.5    -      -       +      +
    937A  VAL      3.6     3.8    -      -       -      -
    938A  ILE*     3.3    35.2    -      -       +      -
    945A  VAL*     3.9    31.0    -      -       +      -
    946A  THR*     1.3    75.2    -      -       -      +
    948A  THR*     1.3    61.3    +      -       -      +
    949A  PRO*     4.1     4.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with THR 948 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    734A  GLY*     4.4     7.8    +      -       -      -
    936A  VAL*     3.4     5.2    -      -       -      +
    937A  VAL*     2.7    42.7    +      -       -      +
    941A  GLN*     4.6     3.8    +      -       -      -
    946A  THR*     4.1    14.9    +      -       -      -
    947A  PHE*     1.3    76.8    +      -       -      +
    949A  PRO*     1.3    73.1    -      -       +      +
    950A  VAL      3.5     0.5    +      -       -      -
    952A  GLN*     5.6     3.1    -      -       +      -
    953A  LEU*     3.6    35.2    -      -       +      +
----------------------------------------------------------
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Residues in contact with PRO 949 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    932A  ASP      3.6    16.6    -      -       -      +
    933A  ASN*     4.0    24.0    -      -       +      +
    935A  SER      3.3     8.5    -      -       -      +
    936A  VAL*     3.9     8.7    -      -       +      -
    947A  PHE      4.1     4.5    -      -       -      +
    948A  THR*     1.3    88.8    -      -       +      +
    950A  VAL*     1.4    64.3    +      -       -      +
    951A  LYS      4.8     0.2    -      -       -      +
    952A  GLN*     3.4    37.3    -      -       +      +
    953A  LEU*     3.3    17.1    +      -       -      +
----------------------------------------------------------
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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