Contacts of the strand formed by residues 557 - 561 (chain B) in PDB entry 1GPU


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 ILE 557 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    555B  PRO*     3.2     4.6    -      -       -      +
    556B  ASP*     1.3    82.7    -      -       -      +
    558B  ILE*     1.3    73.6    +      -       -      +
    559B  LEU*     4.3     5.2    -      -       +      -
    576B  LEU*     4.6     9.9    -      -       +      -
    581B  ILE*     5.0     0.4    -      -       +      -
    582B  LYS      3.3     3.5    +      -       -      +
    583B  ALA*     3.3    22.2    -      -       +      -
    584B  ARG      3.0    23.2    +      -       -      -
    610B  VAL*     3.8     3.8    -      -       -      -
    611B  PRO*     3.4    18.2    -      -       +      +
    613B  MET*     4.0    20.0    -      -       +      -
    660B  ALA*     3.7    36.3    -      -       +      +
    663B  THR*     4.1    12.1    -      -       +      -
    664B  ILE*     4.0    15.5    -      -       +      -
----------------------------------------------------------
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Residues in contact with ILE 558 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    555B  PRO*     4.7     2.5    -      -       +      -
    557B  ILE*     1.3    79.7    -      -       -      +
    559B  LEU*     1.3    68.9    +      -       -      +
    560B  VAL      3.8     0.6    +      -       -      +
    584B  ARG*     3.4    30.7    -      -       +      +
    586B  VAL*     3.8    25.8    -      -       +      -
    605B  VAL      3.9     7.9    -      -       -      +
    606B  LEU*     4.5     3.1    -      -       +      -
    607B  PRO*     3.8    23.1    -      -       +      -
    610B  VAL*     3.7    30.3    -      -       +      -
    611B  PRO      2.9    12.2    +      -       -      +
    612B  ILE*     3.4    19.9    -      -       +      -
    613B  MET      3.0    27.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with LEU 559 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    557B  ILE*     4.3     7.9    -      -       +      -
    558B  ILE*     1.3    77.5    -      -       -      +
    560B  VAL*     1.3    59.4    +      -       -      +
    561B  ALA      4.0     0.4    +      -       -      -
    569B  SER*     3.7    42.0    -      -       -      +
    572B  ALA*     4.3    14.1    -      -       +      -
    573B  ALA      4.6     0.7    -      -       -      +
    576B  LEU*     4.4     5.8    -      -       +      -
    583B  ALA*     4.3    23.8    -      -       +      -
    584B  ARG      2.8    11.7    +      -       -      +
    585B  VAL*     3.5     8.1    -      -       +      +
    586B  VAL      2.8    27.5    +      -       -      +
    613B  MET*     3.5    34.1    -      -       +      +
    615B  VAL*     4.7     1.8    -      -       +      -
    656B  VAL*     4.4     4.3    -      -       +      -
    660B  ALA*     4.2    14.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 560 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    558B  ILE*     3.8     1.3    +      -       +      -
    559B  LEU*     1.3    72.1    -      -       -      +
    561B  ALA*     1.3    63.0    +      -       -      +
    586B  VAL*     3.4    28.7    -      -       +      +
    588B  LEU*     4.0    17.5    -      -       +      -
    606B  LEU*     4.6     7.9    -      -       +      -
    612B  ILE*     3.8    23.8    -      -       +      -
    613B  MET      3.0     5.8    +      -       -      +
    614B  SER*     3.1    24.9    -      -       -      -
    615B  VAL*     2.8    24.7    +      -       -      +
    623B  TRP*     4.0    19.3    -      -       +      -
    626B  TYR*     5.1     4.3    -      -       +      +
    627B  ALA*     4.2     3.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 561 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    559B  LEU      4.0     0.4    +      -       -      +
    560B  VAL*     1.3    75.2    -      -       -      +
    562B  THR*     1.3    67.7    +      -       -      +
    565B  GLU      3.6    26.5    -      -       -      +
    566B  VAL*     3.8     8.5    -      -       +      +
    569B  SER*     3.6    13.7    -      -       -      +
    585B  VAL*     6.0     0.4    -      -       +      -
    586B  VAL      3.0     8.4    +      -       -      +
    587B  SER*     3.5     5.5    -      -       -      -
    588B  LEU*     2.9    25.8    +      -       -      +
    615B  VAL*     3.1    19.3    -      -       +      +
    623B  TRP*     4.8     1.8    -      -       -      -
----------------------------------------------------------
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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