Contacts of the strand formed by residues 53 - 61 (chain L) in PDB entry 1CWD


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 GLY 53 (chain L).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     48L  PHE*     4.0    16.8    -      -       -      -
     49L  ASP*     2.6    43.9    +      -       -      +
     50L  GLN      4.8     0.6    +      -       -      -
     51L  ASN      3.7     0.4    -      -       -      -
     52L  GLN*     1.3    74.5    -      -       -      +
     54L  GLU*     1.3    63.2    +      -       -      -
     55L  VAL*     3.3     1.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with GLU 54 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20L  LEU*     4.4    13.1    -      -       +      +
     26L  HIS*     2.9    36.5    -      -       -      -
     46L  ARG*     3.2    40.3    +      -       -      +
     47L  ASP      3.6     1.9    -      -       -      +
     48L  PHE*     3.5    18.6    -      -       -      -
     52L  GLN      4.3     1.4    +      -       -      +
     53L  GLY*     1.3    69.4    -      -       -      -
     55L  VAL*     1.3    63.0    +      -       -      +
----------------------------------------------------------
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Residues in contact with VAL 55 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     20L  LEU*     4.6     2.0    -      -       -      -
     46L  ARG*     3.4     9.6    -      -       -      +
     47L  ASP*     2.9    43.7    +      -       +      +
     48L  PHE      4.4     1.1    -      -       -      -
     49L  ASP*     4.0    16.6    -      -       +      +
     52L  GLN*     3.6    35.0    -      -       +      +
     53L  GLY      3.6     1.8    -      -       -      +
     54L  GLU*     1.3    77.9    -      -       -      +
     56L  VAL*     1.3    66.1    +      -       -      +
     57L  LYS*     4.1    27.1    -      -       +      +
----------------------------------------------------------
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Residues in contact with VAL 56 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     16L  GLU*     4.1    20.6    -      -       +      +
     19L  LEU*     3.8    35.7    -      -       +      -
     20L  LEU*     3.7    35.3    -      -       +      +
     45L  VAL      3.2    10.3    -      -       -      +
     46L  ARG*     4.4     2.2    -      -       +      -
     55L  VAL*     1.3    78.0    -      -       -      +
     57L  LYS*     1.3    66.6    +      -       -      +
     58L  HIS*     3.4    35.4    +      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 57 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     43L  LEU      3.6     1.3    -      -       -      +
     44L  SER*     3.2     5.9    -      -       -      -
     45L  VAL*     2.9    36.1    +      -       +      +
     47L  ASP*     4.4     8.4    +      -       +      -
     48L  PHE      5.2     3.2    +      -       -      -
     49L  ASP*     4.7    12.4    +      -       -      -
     55L  VAL*     4.0    24.0    -      -       +      +
     56L  VAL*     1.3    75.0    -      -       -      +
     58L  HIS*     1.3    63.2    +      -       -      +
     59L  TYR*     4.1    17.7    -      -       +      -
     95L  CYS*     4.1    29.4    -      -       +      +
      6P  GLU*     3.4    37.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with HIS 58 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     12L  ARG*     3.2    48.0    -      -       +      +
     15L  ALA*     4.9     0.4    -      -       +      -
     16L  GLU*     2.8    34.0    +      -       +      +
     32L  ARG*     3.3    16.6    +      -       -      +
     42L  SER*     5.9     0.2    -      -       -      -
     43L  LEU      3.5     2.7    -      -       -      +
     44L  SER*     2.7    29.9    +      -       -      -
     56L  VAL*     3.4    28.3    +      -       +      +
     57L  LYS*     1.3    76.2    +      -       -      +
     59L  TYR*     1.3    58.8    -      -       -      +
      4P  ASP      4.6     2.0    -      -       -      +
      5P  PM3      3.5     9.5    -      -       +      -
      6P  GLU*     2.8    35.2    +      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 59 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     42L  SER*     3.4     5.9    -      -       -      -
     43L  LEU*     2.8    46.3    +      -       +      +
     45L  VAL*     3.9    24.9    -      -       +      -
     57L  LYS*     4.1     9.3    -      -       +      +
     58L  HIS*     1.3    74.6    -      -       -      +
     60L  LYS*     1.3    60.8    +      -       -      +
     61L  ILE      3.7     0.2    +      -       -      -
     71L  ILE*     4.3    20.6    -      -       +      -
     93L  GLY      5.2     0.9    -      -       -      -
     94L  LEU*     4.0    24.7    -      -       +      -
     95L  CYS*     2.8    44.7    +      -       -      +
      5P  PM3      3.7     4.7    -      -       -      -
      6P  GLU*     3.3    37.4    -      -       +      +
      7P  GLU      4.9     1.1    -      -       -      -
      8P  VAL*     3.7    28.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with LYS 60 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     40L  SER*     3.0    27.6    +      -       -      +
     41L  PHE      2.8    27.5    +      -       -      +
     42L  SER*     3.8    12.1    -      -       -      -
     59L  TYR*     1.3    71.7    -      -       -      +
     61L  ILE*     1.3    73.6    +      -       -      +
     62L  ARG*     3.7    25.9    +      -       -      +
     71L  ILE*     3.9    20.6    -      -       -      +
      5P  PM3      3.6    42.5    -      -       +      +
      6P  GLU      5.6     0.4    +      -       -      -
----------------------------------------------------------
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Residues in contact with ILE 61 (chain L). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31L  ILE*     3.9    31.4    -      -       +      -
     41L  PHE*     3.3    38.7    +      -       +      +
     42L  SER      4.4     8.3    -      -       -      -
     43L  LEU*     4.5     9.4    -      -       +      +
     59L  TYR      3.7     0.6    +      -       -      -
     60L  LYS*     1.3    86.7    +      -       -      +
     62L  ARG*     1.3    63.8    +      -       -      +
     63L  ASN*     3.9     5.9    -      -       -      +
     69L  PHE*     3.6    37.9    -      -       +      -
     70L  TYR      3.7     7.6    -      -       -      +
     71L  ILE*     3.9    20.2    -      -       +      -
     80L  LEU*     4.4     6.1    -      -       +      -
     83L  LEU*     4.1    13.0    -      -       +      -
----------------------------------------------------------
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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