Contacts of the strand formed by residues 48 - 55 (chain B) in PDB entry 1R88


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 ARG 48 (chain B).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43B  SER*     3.0    30.2    +      -       -      +
     46B  MET*     3.8    13.0    +      -       +      +
     47B  GLY*     1.3    79.8    -      -       -      +
     49B  ASP*     1.3    74.3    +      -       -      +
     50B  ILE*     3.8    25.7    -      -       +      +
     51B  PRO*     5.9     1.4    -      -       -      +
     99B  GLY*     3.8    23.2    +      -       -      -
    113B  SER*     3.0    40.2    +      -       -      +
    116B  TRP*     4.0    11.5    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASP 49 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     40B  MET*     3.8    44.4    -      -       +      +
     41B  VAL      3.6     4.5    -      -       -      +
     42B  PRO*     3.4    27.1    -      -       -      +
     48B  ARG*     1.3    87.6    +      -       -      +
     50B  ILE*     1.3    61.1    +      -       -      +
     51B  PRO*     3.8     7.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 50 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39B  LEU      4.4     0.2    -      -       -      -
     40B  MET*     3.6     2.0    -      -       -      -
     41B  VAL      2.9    29.8    +      -       -      +
     43B  SER*     3.8    17.3    -      -       -      -
     46B  MET*     3.8    16.6    -      -       +      -
     48B  ARG*     3.8    40.8    -      -       +      +
     49B  ASP*     1.3    72.8    -      -       -      +
     51B  PRO*     1.3    74.3    -      -       +      +
     52B  VAL*     3.4     7.4    +      -       +      +
     97B  PRO*     4.3     1.8    -      -       +      -
     98B  ALA      3.6    20.2    -      -       -      +
    116B  TRP*     3.9     7.6    -      -       +      -
    119B  PHE*     3.6    40.8    -      -       +      -
----------------------------------------------------------
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Residues in contact with PRO 51 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     39B  LEU      3.4     8.7    -      -       -      +
     40B  MET*     3.8    19.7    -      -       +      -
     48B  ARG*     5.9     1.6    -      -       -      +
     49B  ASP      3.8     7.6    -      -       -      +
     50B  ILE*     1.3    89.1    -      -       +      +
     52B  VAL*     1.3    61.8    +      -       -      +
     53B  ALA      4.2     0.4    -      -       -      -
     72B  PRO      4.2    13.0    -      -       -      +
     73B  ASP*     3.5    30.5    -      -       -      +
     96B  ALA      4.8     0.2    -      -       -      -
     97B  PRO*     3.5     0.5    -      -       -      +
     98B  ALA*     2.8    37.9    +      -       +      +
     99B  GLY*     5.6     0.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 52 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37B  GLU      3.4     0.7    -      -       -      +
     38B  ASN*     4.9     1.3    -      -       -      -
     39B  LEU*     2.9    45.0    +      -       +      +
     41B  VAL*     3.8    23.6    -      -       +      -
     50B  ILE*     3.6    20.9    -      -       +      +
     51B  PRO*     1.3    79.0    -      -       -      +
     53B  ALA*     1.3    70.0    +      -       -      +
     54B  PHE*     3.5     1.5    +      -       +      -
     95B  VAL*     3.7    30.3    -      -       +      -
     96B  ALA      3.7     8.5    -      -       -      +
     97B  PRO*     4.2     8.7    -      -       +      -
    119B  PHE*     4.3     6.7    -      -       +      -
    124B  LEU*     4.3     6.5    -      -       +      -
    128B  LEU*     5.8     0.7    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 53 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36B  TYR*     3.4    26.7    -      -       +      +
     37B  GLU      3.5     6.7    -      -       -      -
     38B  ASN*     5.0     2.2    -      -       -      +
     51B  PRO      4.2     0.6    -      -       -      -
     52B  VAL*     1.3    70.6    -      -       -      +
     54B  PHE*     1.3    58.5    +      -       -      +
     74B  VAL*     5.7     3.4    -      -       +      -
     75B  SER*     5.8     1.1    -      -       -      +
     78B  VAL*     3.9    15.3    -      -       +      -
     84B  MET*     3.9    13.6    -      -       +      +
     94B  VAL      3.5     1.4    -      -       -      +
     95B  VAL*     3.4     4.9    -      -       -      -
     96B  ALA*     2.9    40.5    +      -       +      +
----------------------------------------------------------
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Residues in contact with PHE 54 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     36B  TYR*     3.9     4.4    -      -       -      -
     37B  GLU*     3.0    56.4    +      -       +      +
     39B  LEU*     3.4    32.8    -      -       +      -
     52B  VAL*     4.8     2.9    -      -       +      -
     53B  ALA*     1.3    75.6    -      -       -      +
     55B  LEU*     1.3    57.7    +      -       -      +
     56B  ALA*     3.8    31.3    +      -       +      -
     93B  SER*     3.8    25.1    -      -       -      -
     94B  VAL      3.3    10.8    -      -       -      -
     95B  VAL*     3.9    11.0    -      -       +      -
    128B  LEU*     4.4     6.1    -      -       +      -
    132B  ARG*     3.9    29.8    -      -       +      -
    134B  LEU*     4.1    18.4    -      -       +      -
----------------------------------------------------------
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Residues in contact with LEU 55 (chain B). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34B  ALA*     5.6     6.7    -      -       +      -
     35B  PRO      3.5    25.6    -      -       -      +
     36B  TYR*     4.3     5.2    -      -       +      -
     53B  ALA      4.3     0.2    -      -       -      -
     54B  PHE*     1.3    74.2    -      -       -      +
     56B  ALA*     1.3    76.1    +      -       -      +
     57B  GLY*     4.5     0.2    -      -       -      -
     84B  MET*     3.8    33.7    -      -       +      +
     88B  ALA*     3.8    33.7    -      -       +      -
     89B  GLY      5.4     0.4    -      -       -      +
     92B  ILE      4.5     1.2    -      -       -      +
     93B  SER*     3.3     3.1    -      -       -      -
     94B  VAL*     3.0    38.5    +      -       +      -
----------------------------------------------------------
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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