Contacts of the strand formed by residues 3 - 12 (chain K) in PDB entry 2NX5


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 HIS 3 (chain K).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1K  GLY*     3.4    25.9    +      -       -      -
      2K  SER*     1.3    79.2    +      -       -      +
      4K  SER*     1.3    63.3    +      -       -      +
     29K  ASP*     3.2    28.0    -      -       -      +
    102K  ASP*     3.5     1.7    -      -       -      +
    103K  LEU*     2.6    47.5    +      -       +      +
    104K  GLY      5.5     1.0    +      -       -      -
    168K  LEU*     4.5     2.2    -      -       +      -
    172K  LEU*     3.7    36.5    -      -       +      +
    179K  LEU      3.9    10.3    +      -       -      -
    180K  GLN*     3.2    34.3    +      -       +      -
    264K  GLU*     5.5     3.2    +      -       -      -
----------------------------------------------------------
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Residues in contact with SER 4 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      3K  HIS*     1.3    80.2    -      -       -      +
      5K  MET*     1.3    59.5    +      -       -      +
      6K  ARG*     4.0    15.3    -      -       -      +
     28K  VAL*     3.4     4.0    -      -       -      -
     29K  ASP*     2.8    45.4    +      -       -      +
    101K  CYS      3.3     6.3    -      -       -      -
    102K  ASP*     3.7    22.9    -      -       -      -
    168K  LEU*     3.8     9.6    -      -       -      +
----------------------------------------------------------
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Residues in contact with MET 5 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1H  GLU      3.7    28.3    -      -       -      +
      4K  SER*     1.3    74.1    -      -       -      +
      6K  ARG*     1.3    72.4    +      -       -      +
      7K  TYR*     4.4    10.3    -      -       +      -
     27K  TYR      3.3    10.8    -      -       -      +
     28K  VAL*     4.6     5.4    -      -       +      -
     33K  PHE*     4.6     3.4    -      -       +      -
    100K  GLY*     3.1    24.4    -      -       -      -
    101K  CYS      3.2     9.4    +      -       -      -
    159K  TYR*     3.7     7.6    -      -       -      +
    163K  LEU      4.9     1.3    -      -       -      +
    164K  CYS*     3.6    39.7    -      -       -      +
    167K  TRP*     4.9     1.3    -      -       +      -
    168K  LEU*     3.5    23.0    -      -       +      +
    171K  TYR*     3.7    32.1    -      -       -      -
----------------------------------------------------------
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Residues in contact with ARG 6 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      4K  SER*     4.0    13.5    -      -       -      +
      5K  MET*     1.3    76.6    +      -       -      +
      7K  TYR*     1.3    66.6    +      -       -      +
      8K  PHE*     3.5    31.7    -      -       +      -
     26K  GLY*     3.4     2.6    -      -       -      -
     27K  TYR*     2.7    43.3    +      -       +      +
     29K  ASP      5.8     3.4    -      -       -      +
     98K  MET*     5.5     3.1    -      -       -      -
     99K  TYR*     3.4    21.8    -      -       -      +
    100K  GLY*     3.6    14.3    -      -       -      -
    101K  CYS      3.8     0.6    -      -       -      +
    102K  ASP*     2.8    31.8    +      -       -      -
    113K  HIS*     3.2    39.2    +      -       -      +
     58L  LYS*     4.8    20.0    -      -       -      +
----------------------------------------------------------
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Residues in contact with TYR 7 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      1H  GLU*     2.9    31.0    +      -       -      -
      2H  PRO*     3.4    29.9    -      -       +      +
      5K  MET*     4.4    12.8    -      -       +      -
      6K  ARG*     1.3    77.2    -      -       -      +
      8K  PHE*     1.3    63.2    +      -       -      +
      9K  TYR*     4.3     5.8    -      +       +      -
     25K  VAL      3.4     7.2    -      -       -      -
     26K  GLY*     3.6    21.5    -      -       -      -
     33K  PHE*     3.4    18.6    -      +       -      -
     34K  VAL*     3.7    12.6    -      -       +      +
     63K  ASN*     4.1     2.9    +      -       -      -
     67K  PHE*     4.0    20.9    -      +       -      -
     97K  ARG      3.7     0.9    -      -       -      +
     98K  MET*     3.3     6.6    -      -       -      +
     99K  TYR*     3.0    73.0    +      +       +      +
    159K  TYR*     4.0     2.7    -      -       -      -
----------------------------------------------------------
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Residues in contact with PHE 8 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      6K  ARG*     3.5    34.8    -      -       +      -
      7K  TYR*     1.3    76.4    -      -       -      +
      9K  TYR*     1.3    64.3    +      -       -      +
     23K  ILE      3.6     1.0    -      -       -      +
     24K  ALA*     3.3     5.2    -      -       -      -
     25K  VAL*     2.8    48.8    +      -       +      +
     27K  TYR*     3.8    31.0    -      +       +      -
     97K  ARG      3.4     3.4    -      -       -      -
     98K  MET*     3.8    27.4    -      -       +      -
     55L  SER*     4.2     4.3    -      -       -      +
     56L  PHE*     3.6    49.8    -      +       +      -
     57L  SER      5.2     2.5    -      -       -      -
     58L  LYS*     5.6     2.9    -      -       +      -
----------------------------------------------------------
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Residues in contact with TYR 9 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      2H  PRO*     4.2     2.8    -      -       -      +
      3H  LEU      4.4     1.9    +      -       -      -
      5H  GLN*     3.7     6.8    +      -       -      -
      7K  TYR*     4.3     9.4    -      +       +      -
      8K  PHE*     1.3    81.7    -      -       -      +
     10K  THR*     1.3    66.3    +      -       -      +
     22K  PHE*     3.8    13.7    -      +       +      -
     23K  ILE      3.3     3.1    -      -       -      +
     24K  ALA*     3.6    24.2    -      -       +      -
     67K  PHE*     4.1    13.0    -      +       -      -
     70K  ASN*     3.2    30.2    +      -       -      -
     74K  TYR*     3.1    33.4    -      +       +      -
     95K  ILE      4.4     0.7    -      -       -      -
     96K  GLN*     3.4     5.9    -      -       -      -
     97K  ARG*     2.7    46.9    +      -       +      +
     99K  TYR*     2.8    42.5    +      +       -      -
     56L  PHE*     3.4     4.9    -      -       -      -
----------------------------------------------------------
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Residues in contact with THR 10 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
      9K  TYR*     1.3    76.5    +      -       -      +
     11K  ALA*     1.3    62.8    +      -       -      +
     12K  MET*     3.5    34.1    -      -       +      -
     21K  ARG      3.4     1.7    -      -       -      +
     22K  PHE*     3.4     3.8    -      -       -      -
     23K  ILE*     2.7    53.5    +      -       -      +
     94K  ILE*     3.9    10.3    -      -       +      -
     95K  ILE      3.6     3.1    -      -       -      -
     96K  GLN*     4.5     0.8    -      -       +      +
     54L  LEU*     4.4     6.4    +      -       +      -
     56L  PHE*     3.2    23.2    -      -       -      -
     62L  PHE*     3.7    20.3    -      -       +      -
----------------------------------------------------------
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Residues in contact with ALA 11 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10K  THR*     1.3    72.7    -      -       -      +
     12K  MET*     1.3    62.7    +      -       -      +
     20K  PRO*     5.8     0.2    -      -       +      -
     21K  ARG      3.2     7.0    -      -       -      +
     22K  PHE*     4.4     6.3    -      -       +      +
     74K  TYR*     3.9    30.7    -      -       +      -
     78K  LEU*     3.7    25.6    -      -       +      +
     93K  HIS      3.7     1.4    -      -       -      +
     94K  ILE*     3.4     5.0    -      -       -      -
     95K  ILE*     3.1    34.0    +      -       +      +
----------------------------------------------------------
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Residues in contact with MET 12 (chain K). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10K  THR*     3.5    24.9    -      -       +      -
     11K  ALA*     1.3    71.2    -      -       -      +
     13K  SER*     1.3    65.1    +      -       -      +
     14K  ARG*     3.7     8.1    +      -       +      +
     17K  ARG*     6.3     0.7    -      -       -      +
     20K  PRO*     3.4     2.7    -      -       -      +
     21K  ARG*     2.8    56.2    +      -       +      +
     23K  ILE*     4.0     9.2    -      -       -      -
     93K  HIS      3.8     3.4    -      -       -      -
     94K  ILE*     3.7    17.3    -      -       +      -
     33L  SER*     3.2    30.1    -      -       -      +
     34L  ASP*     3.5    21.8    -      -       -      +
     54L  LEU*     3.7    19.3    -      -       +      -
----------------------------------------------------------
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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