Contacts of the strand formed by residues 379 - 385 (chain C) in PDB entry 1K4R


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 379 (chain C).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    378C  PRO*     1.3    74.3    -      -       -      +
    380C  ASP*     1.3    61.7    +      -       -      -
    381C  ASN*     3.0     9.5    +      -       -      -
    393C  PHE*     3.4    20.3    -      -       -      -
    394C  GLN      2.7    38.3    +      -       -      -
----------------------------------------------------------
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Residues in contact with ASP 380 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    346C  ALA*     3.7     3.8    -      -       -      +
    347C  HIS*     2.9    47.5    +      -       +      +
    379C  GLY*     1.3    72.5    -      -       -      -
    381C  ASN*     1.3    64.1    +      -       -      +
    391C  GLN*     5.8     1.8    -      -       -      +
    392C  TRP      3.7     3.8    -      -       -      -
    393C  PHE*     3.6    25.4    -      -       -      +
----------------------------------------------------------
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Residues in contact with ASN 381 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    345C  VAL      3.2    10.3    -      -       -      +
    346C  ALA*     3.9     7.3    -      -       -      +
    347C  HIS      4.1     0.7    -      -       -      +
    354C  VAL*     3.8    10.6    -      -       -      +
    376C  LEU*     4.2    25.5    -      -       +      +
    377C  PRO*     3.2    37.8    +      -       -      +
    378C  PRO      5.2     0.5    -      -       -      +
    379C  GLY      3.0    26.4    +      -       -      -
    380C  ASP*     1.3    77.1    -      -       -      +
    382C  ILE*     1.3    71.9    +      -       -      +
    383C  ILE      4.3     0.2    -      -       -      -
    391C  GLN*     3.7     4.0    -      -       -      +
    392C  TRP*     2.8    36.7    +      -       +      +
    394C  GLN*     3.8     7.1    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 382 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    344C  ALA*     3.2     5.4    -      -       -      -
    345C  VAL*     2.9    40.1    +      -       +      +
    347C  HIS*     3.9    33.0    -      -       +      +
    348C  GLY      5.4     0.2    -      -       -      +
    381C  ASN*     1.3    80.8    -      -       -      +
    383C  ILE*     1.3    69.0    +      -       -      +
    384C  TYR*     3.6    36.8    -      -       +      +
    389C  SER*     4.1    10.5    -      -       -      -
    390C  HIS      3.3     9.2    -      -       -      +
    391C  GLN*     3.4    32.8    -      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 383 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    314C  TRP*     4.0    20.0    -      -       +      -
    318C  PRO*     3.9    24.9    -      -       +      -
    326C  VAL*     4.4     2.0    -      -       +      -
    328C  MET*     4.2    21.5    -      -       +      -
    343C  ARG      3.8     9.6    -      -       -      +
    344C  ALA*     4.2     5.2    -      -       +      -
    374C  MET*     4.3    11.4    -      -       +      -
    376C  LEU*     3.9    24.9    -      -       +      -
    382C  ILE*     1.3    77.2    -      -       -      +
    384C  TYR*     1.3    67.4    +      -       -      +
    385C  VAL*     4.6     2.2    -      -       +      -
    389C  SER*     3.1     7.3    -      -       -      -
    390C  HIS*     2.8    39.8    +      -       +      +
    392C  TRP*     3.9    24.0    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 384 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    341C  PRO      3.5     0.7    -      -       -      +
    342C  VAL*     3.3     4.9    -      -       -      +
    343C  ARG*     2.8    82.0    +      -       +      +
    344C  ALA*     5.0     0.2    -      -       -      -
    345C  VAL*     4.0    21.5    -      -       +      +
    382C  ILE*     3.6    31.6    -      -       +      +
    383C  ILE*     1.3    72.9    -      -       -      +
    385C  VAL*     1.3    65.0    +      -       -      +
    386C  GLY      3.6    17.3    -      -       -      +
    387C  GLU*     4.7     5.4    -      -       -      -
    388C  LEU      3.2     7.2    -      -       -      -
    389C  SER*     3.7    24.5    -      -       -      -
----------------------------------------------------------
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Residues in contact with VAL 385 (chain C). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    312C  PHE*     3.6    32.2    -      -       +      -
    314C  TRP*     3.8    26.5    -      -       +      -
    328C  MET*     5.1     0.7    -      -       -      -
    330C  VAL*     4.1    14.4    -      -       +      -
    340C  ILE*     3.6    27.6    -      -       +      -
    341C  PRO      3.4     4.9    -      -       -      -
    342C  VAL*     4.1    15.9    -      -       +      -
    372C  ILE*     4.8     4.9    -      -       +      -
    383C  ILE*     4.6     2.5    -      -       +      -
    384C  TYR*     1.3    76.9    -      -       -      +
    386C  GLY*     1.3    62.2    +      -       -      +
    387C  GLU      3.2     0.3    +      -       -      -
    388C  LEU*     2.8    32.5    +      -       +      +
----------------------------------------------------------
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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