Contacts of the strand formed by residues 510 - 514 (chain A) in PDB entry 1NHX


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 LYS 510 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    429A  GLU      3.1    13.3    +      -       -      +
    430A  GLY*     3.3     2.8    -      -       -      -
    431A  ILE      2.8    26.2    +      -       -      +
    446A  GLU*     2.8    33.5    +      -       -      +
    508A  LEU      3.6     2.2    +      -       -      -
    509A  PRO*     1.3    72.4    -      -       -      +
    511A  ILE*     1.3    62.3    +      -       -      +
    512A  PHE*     3.6    32.4    -      -       +      -
    543A  ARG*     3.4    36.7    -      -       -      +
    544A  ILE*     4.0    15.7    -      -       +      +
    705A  EDO      3.6    14.9    +      -       -      +
----------------------------------------------------------
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Residues in contact with ILE 511 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    431A  ILE*     3.3    16.8    -      -       +      +
    433A  PHE*     3.9    28.7    -      -       +      -
    446A  GLU*     3.5     7.1    -      -       -      +
    447A  ALA*     2.8    40.6    +      -       +      -
    450A  TRP*     3.5    37.2    -      -       +      -
    453A  GLY*     3.8    36.3    -      -       -      +
    454A  VAL*     4.4     2.0    -      -       -      +
    456A  VAL*     4.9     4.0    -      -       +      -
    497A  TRP*     4.7     6.1    -      -       +      -
    509A  PRO      4.0     4.9    -      -       -      +
    510A  LYS*     1.3    78.1    -      -       -      +
    512A  PHE*     1.3    62.9    +      -       -      +
    705A  EDO      2.9    11.3    +      -       -      +
----------------------------------------------------------
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Residues in contact with PHE 512 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    280A  LEU*     5.9     0.7    -      -       +      -
    430A  GLY*     4.9     2.0    -      -       -      -
    431A  ILE      2.9    13.8    +      -       -      +
    432A  ILE*     3.6     5.6    -      -       +      -
    433A  PHE*     2.8    28.1    +      -       -      +
    444A  VAL*     4.6     0.9    -      -       +      -
    445A  TYR      3.3     9.9    -      -       -      +
    446A  GLU*     3.6    37.5    -      -       +      +
    447A  ALA      4.7     0.7    -      -       -      +
    456A  VAL*     5.2     0.4    -      -       -      -
    510A  LYS*     3.6    43.7    -      -       +      -
    511A  ILE*     1.3    80.4    -      -       -      +
    513A  HIS*     1.3    63.2    +      -       -      +
    539A  TRP*     3.8    14.1    -      +       -      -
    540A  MET*     3.6    70.2    -      -       +      -
    543A  ARG*     4.2     1.3    -      -       +      -
    544A  ILE*     4.4     7.6    -      -       +      -
----------------------------------------------------------
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Residues in contact with HIS 513 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    433A  PHE*     3.1    19.5    -      -       +      -
    434A  GLY*     4.1     9.5    +      -       -      -
    435A  GLY*     4.1     8.9    -      -       -      -
    437A  ARG*     5.6     4.3    -      -       +      -
    441A  VAL*     4.1    18.4    -      -       +      +
    442A  PRO      5.1     0.4    +      -       -      +
    444A  VAL*     3.2     4.7    -      -       -      +
    445A  TYR*     2.8    72.2    +      -       +      +
    456A  VAL*     3.7    24.2    -      -       +      -
    460A  MET*     4.2    16.3    -      -       +      +
    461A  ARG      5.6     2.7    +      -       -      -
    512A  PHE*     1.3    75.2    -      -       -      +
    514A  VAL*     1.3    78.9    +      -       -      +
    515A  ASN*     5.1     1.1    -      -       +      -
----------------------------------------------------------
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Residues in contact with VAL 514 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
    284A  PHE*     3.5    32.3    -      -       +      -
    432A  ILE*     3.7     4.9    -      -       +      -
    433A  PHE      2.8    11.5    +      -       -      +
    434A  GLY*     3.2    16.4    -      -       -      -
    435A  GLY      3.2     6.2    +      -       -      -
    442A  PRO      4.7     0.4    -      -       -      -
    443A  LEU      3.2    11.2    -      -       -      +
    444A  VAL*     4.2     1.6    -      -       +      -
    513A  HIS*     1.3    82.5    +      -       -      +
    515A  ASN*     1.3    61.5    +      -       -      +
    516A  TRP*     3.8    38.8    -      -       +      -
    536A  VAL*     4.1     4.3    -      -       +      -
    540A  MET*     3.4    33.7    -      -       +      -
----------------------------------------------------------
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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