Contacts of the helix formed by residues 29 - 50 (chain A) in PDB entry 5GNA


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 GLU 29 (chain A).
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24A  LEU*     2.8    34.1    +      -       +      +
     27A  ARG*     3.9    28.2    -      -       +      +
     28A  GLY*     1.3    74.5    -      -       -      +
     30A  TRP*     1.3    59.4    +      -       -      +
     31A  ASP      3.5     2.2    -      -       -      -
     32A  LEU*     3.5    23.4    +      -       +      +
     33A  LEU*     3.0    27.3    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with TRP 30 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     25A  ALA*     3.7    36.3    -      -       +      -
     28A  GLY*     3.2    34.4    +      -       -      -
     29A  GLU*     1.3    69.9    -      -       -      +
     31A  ASP*     1.3    66.3    +      -       -      +
     33A  LEU*     3.5    28.9    -      -       +      +
     34A  LEU*     3.1    28.7    +      -       -      +
     81A  LEU*     3.9    12.3    -      -       +      -
     82A  LEU*     4.3     9.6    -      -       +      -
     85A  ARG*     3.3    72.2    -      -       +      +
     88A  GLU*     4.8     3.5    +      -       -      -
    439B  GLN*     3.5    23.3    -      -       +      +
    443B  LEU*     4.1     5.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with ASP 31 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     29A  GLU      3.5     0.2    -      -       -      -
     30A  TRP*     1.3    77.8    -      -       -      +
     32A  LEU*     1.3    62.7    +      -       +      +
     34A  LEU*     3.4    10.6    +      -       -      +
     35A  GLN*     3.2    23.5    +      -       -      +
    439B  GLN*     3.5    20.8    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 32 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     24A  LEU*     3.9    21.0    -      -       +      +
     29A  GLU*     3.5    33.7    +      -       +      +
     30A  TRP      3.4     0.2    -      -       -      -
     31A  ASP*     1.3    77.6    -      -       +      +
     33A  LEU*     1.3    60.7    +      -       -      +
     35A  GLN*     3.1    23.2    +      -       -      +
     36A  GLN*     2.8    30.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 33 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21A  LEU*     3.1    49.4    -      -       +      +
     24A  LEU*     3.8    12.2    -      -       +      +
     25A  ALA*     4.1     9.9    -      -       +      +
     29A  GLU      3.0    19.4    +      -       -      +
     30A  TRP*     3.5    25.8    -      -       +      +
     32A  LEU*     1.3    76.5    -      -       -      +
     34A  LEU*     1.3    50.5    +      -       -      +
     36A  GLN*     3.1     3.1    +      -       -      +
     37A  GLU*     2.7    34.0    +      -       -      +
     78A  LEU*     4.3     1.3    -      -       +      -
     82A  LEU*     4.0    10.8    -      -       +      -
    443B  LEU*     3.6    30.7    -      -       +      -
    446B  MET*     4.0    14.8    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 34 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     30A  TRP      3.1    17.3    +      -       -      +
     31A  ASP*     3.4    10.1    +      -       -      +
     32A  LEU      3.2     0.2    -      -       -      -
     33A  LEU*     1.3    79.0    -      -       -      +
     35A  GLN*     1.3    62.6    +      -       -      +
     37A  GLU*     3.5    17.9    -      -       +      +
     38A  VAL*     3.8    10.4    +      -       -      +
    439B  GLN*     4.2    17.7    -      -       +      -
    442B  GLN*     3.8    57.2    -      -       +      +
    443B  LEU*     3.9    23.8    -      -       +      -
    446B  MET*     4.3    12.1    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 35 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     31A  ASP      3.2    13.2    +      -       -      +
     32A  LEU*     3.1    31.7    +      -       +      +
     34A  LEU*     1.3    76.1    -      -       -      +
     36A  GLN*     1.3    63.4    +      -       -      +
     38A  VAL*     3.2    24.6    +      -       -      +
     39A  SER*     4.0     4.3    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 36 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     17A  LEU*     3.7    25.0    -      -       +      +
     20A  SER*     2.4    36.8    +      -       -      +
     21A  LEU*     3.6    17.5    -      -       +      -
     24A  LEU*     3.9    10.3    -      -       +      +
     32A  LEU      2.8    16.6    +      -       -      +
     33A  LEU      3.5     4.3    -      -       -      +
     35A  GLN*     1.3    74.1    -      -       -      +
     37A  GLU*     1.3    66.4    +      -       -      +
     39A  SER*     3.0    22.7    +      -       -      +
     40A  TYR*     3.0    10.6    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 37 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     21A  LEU*     3.5    15.7    -      -       -      +
     33A  LEU      2.7    20.2    +      -       -      +
     34A  LEU*     3.5    14.1    -      -       +      +
     36A  GLN*     1.3    72.9    -      -       -      +
     38A  VAL*     1.3    64.1    +      -       +      +
     40A  TYR*     3.1    12.0    +      -       -      +
     41A  LEU*     3.0    50.0    +      -       +      +
    446B  MET*     3.5    55.9    -      -       +      +
    449B  LYS*     4.2     5.5    -      -       -      +
    450B  LEU*     4.8     3.9    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 38 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     34A  LEU      3.8    11.0    -      -       -      +
     35A  GLN*     3.4    15.9    -      -       -      +
     36A  GLN      3.1     0.6    +      -       -      -
     37A  GLU*     1.3    78.9    -      -       +      +
     39A  SER*     1.3    63.2    +      -       -      +
     41A  LEU*     3.4     6.9    +      -       -      +
     42A  GLN*     3.2    42.8    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 39 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13A  ARG*     4.3    15.3    +      -       -      +
     17A  LEU*     3.7    14.7    -      -       -      +
     35A  GLN      4.5     4.3    +      -       -      -
     36A  GLN*     3.0    23.6    +      -       -      -
     38A  VAL*     1.3    76.2    -      -       -      +
     40A  TYR*     1.3    61.9    +      -       -      +
     42A  GLN*     3.2    15.5    +      -       -      +
     43A  SER*     2.9    30.5    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with TYR 40 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14A  ILE*     3.7    26.9    -      -       +      -
     17A  LEU*     3.8    25.5    -      -       +      +
     18A  SER*     3.8    13.9    -      -       -      -
     21A  LEU*     3.6    25.6    -      -       +      -
     36A  GLN      3.0    11.6    +      -       -      +
     37A  GLU*     3.4    17.5    -      -       -      +
     39A  SER*     1.3    77.4    -      -       -      +
     41A  LEU*     1.3    70.7    +      -       +      +
     43A  SER*     2.8    23.2    +      -       -      -
     44A  ILE*     3.1    23.2    +      -       +      +
     71A  THR*     3.4    14.6    -      -       -      +
     75A  GLU*     2.5    38.2    +      -       +      +
    450B  LEU*     4.3    10.3    -      -       +      -
    453B  THR*     4.5     2.9    -      -       -      -
    457B  LEU*     3.8     5.0    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LEU 41 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     37A  GLU*     3.0    41.4    +      -       +      +
     38A  VAL*     3.9     6.3    -      -       -      +
     40A  TYR*     1.3    86.6    -      -       +      +
     42A  GLN*     1.3    66.6    +      -       +      +
     44A  ILE*     3.2     7.5    +      -       +      +
     45A  GLU*     3.1    32.5    +      -       -      +
    449B  LYS*     3.6    42.6    -      -       +      +
    450B  LEU*     6.0     1.1    -      -       +      -
    453B  THR*     4.2    14.4    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLN 42 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     13A  ARG*     5.8     5.0    +      -       -      +
     38A  VAL*     3.2    31.9    +      -       +      +
     39A  SER*     3.2    16.4    +      -       -      +
     41A  LEU*     1.3    76.9    -      -       +      +
     43A  SER*     1.3    60.6    +      -       -      +
     45A  GLU*     3.2    16.8    +      -       -      +
     46A  THR*     3.1    24.8    +      -       -      -
----------------------------------------------------------
 Back to top of page

Residues in contact with SER 43 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  ARG      4.9     1.5    -      -       -      +
     13A  ARG*     4.2    21.5    -      -       -      +
     14A  ILE*     3.4    36.4    -      -       -      +
     17A  LEU*     3.7    20.1    -      -       -      +
     39A  SER      2.9    13.5    +      -       -      -
     40A  TYR*     2.8    21.3    +      -       -      -
     42A  GLN*     1.3    73.6    -      -       -      +
     44A  ILE*     1.3    64.6    +      -       -      +
     46A  THR*     3.4    20.3    +      -       -      -
     47A  VAL*     3.7     1.9    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with ILE 44 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     14A  ILE*     3.7    33.2    -      -       +      -
     40A  TYR*     3.1    37.4    +      -       +      +
     41A  LEU*     3.2     9.6    +      -       +      +
     43A  SER*     1.3    75.2    -      -       -      +
     45A  GLU*     1.3    66.4    +      -       +      +
     47A  VAL*     3.2    18.9    +      -       -      +
     48A  MET*     3.4    30.3    +      -       +      +
    453B  THR*     4.5    20.4    -      -       +      -
    456B  TYR*     4.1    12.1    -      -       +      -
    457B  LEU*     3.9    21.3    -      -       +      -
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 45 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     41A  LEU*     3.1    23.3    +      -       -      +
     42A  GLN*     3.2    17.6    +      -       -      +
     44A  ILE*     1.3    76.3    -      -       +      +
     46A  THR*     1.3    57.4    +      -       -      +
     48A  MET*     3.0    19.0    +      -       -      +
     49A  GLU*     2.9    46.3    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with THR 46 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  ARG*     3.3    32.8    -      -       +      +
     13A  ARG*     5.9     1.2    +      -       -      -
     42A  GLN      3.1    13.4    +      -       -      -
     43A  SER*     3.5    14.7    -      -       -      +
     44A  ILE      3.1     0.4    -      -       -      -
     45A  GLU*     1.3    76.3    -      -       -      +
     47A  VAL*     1.3    57.2    +      -       -      +
     49A  GLU*     3.3     7.3    +      -       -      +
     50A  LYS*     3.0    39.1    +      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with VAL 47 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  ARG*     3.8    28.5    -      -       +      +
     11A  TRP*     3.6    44.4    -      -       +      +
     14A  ILE*     3.6    28.7    -      -       +      -
     43A  SER      3.7     1.1    +      -       -      +
     44A  ILE*     3.2    15.2    +      -       -      +
     46A  THR*     1.3    73.8    -      -       -      +
     48A  MET*     1.3    59.5    +      -       -      +
     50A  LYS      2.9    19.1    -      -       -      +
     51A  GLN*     5.2     0.7    -      -       -      +
    456B  TYR*     3.4    23.2    +      -       +      +
    460B  GLN*     5.0     2.3    -      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with MET 48 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     44A  ILE*     3.4    24.4    +      -       +      +
     45A  GLU*     3.0    22.0    +      -       -      +
     47A  VAL*     1.3    78.4    -      -       -      +
     49A  GLU*     1.3    63.7    +      -       +      +
     50A  LYS      3.4     0.4    -      -       -      -
     51A  GLN*     3.6    13.3    -      -       -      +
    453B  THR*     6.4     0.4    -      -       +      -
    456B  TYR*     3.4    55.4    -      -       +      +
----------------------------------------------------------
 Back to top of page

Residues in contact with GLU 49 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     45A  GLU*     2.9    33.9    +      -       +      +
     46A  THR*     3.3     7.1    +      -       -      +
     48A  MET*     1.3    78.9    -      -       +      +
     50A  LYS*     1.3    65.2    +      -       +      +
     51A  GLN*     4.2     5.7    +      -       -      +
----------------------------------------------------------
 Back to top of page

Residues in contact with LYS 50 (chain A). Click here for Legend to table.
----------------------------------------------------------
                                  Specific contacts
                               ---------------------------
     Residue       Dist    Surf   HB    Arom    Phob    DC
----------------------------------------------------------
     10A  ARG*     3.4    44.3    +      -       -      +
     46A  THR*     3.0    21.5    +      -       +      +
     47A  VAL*     2.9    24.6    -      -       -      +
     49A  GLU*     1.3    84.4    +      -       +      +
     51A  GLN*     1.3    66.2    +      -       -      +
     52A  THR      4.2     0.2    +      -       -      -
----------------------------------------------------------
 Back to top of page


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