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Potassium in PDB 6e80: Crystal Structure of the Corn Aptamer in Unliganded State

Protein crystallography data

The structure of Crystal Structure of the Corn Aptamer in Unliganded State, PDB code: 6e80 was solved by L.Sjekloca, A.R.Ferre-D'amare, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 46.51 / 2.90
Space group H 3 2
Cell size a, b, c (Å), α, β, γ (°) 93.012, 93.012, 66.560, 90.00, 90.00, 120.00
R / Rfree (%) 25.2 / 30.7

Other elements in 6e80:

The structure of Crystal Structure of the Corn Aptamer in Unliganded State also contains other interesting chemical elements:

Magnesium (Mg) 4 atoms
Iridium (Ir) 5 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of the Corn Aptamer in Unliganded State (pdb code 6e80). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Crystal Structure of the Corn Aptamer in Unliganded State, PDB code: 6e80:

Potassium binding site 1 out of 1 in 6e80

Go back to Potassium Binding Sites List in 6e80
Potassium binding site 1 out of 1 in the Crystal Structure of the Corn Aptamer in Unliganded State


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of the Corn Aptamer in Unliganded State within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K104

b:44.8
occ:1.00
O6 A:G22 2.8 35.6 1.0
O6 A:G13 2.8 39.5 1.0
O6 A:G12 2.9 49.0 1.0
O6 A:G16 2.9 33.5 1.0
O6 A:G23 2.9 34.2 1.0
O6 A:G15 2.9 39.4 1.0
O6 A:G25 3.0 35.4 1.0
O6 A:G26 3.2 35.0 1.0
C6 A:G12 3.5 29.0 1.0
C6 A:G16 3.6 34.4 1.0
N1 A:G12 3.6 29.3 1.0
C6 A:G13 3.7 27.8 1.0
C6 A:G23 3.7 32.8 1.0
N1 A:G16 3.8 32.5 1.0
C6 A:G15 3.8 40.5 1.0
N1 A:G23 3.8 51.7 1.0
C6 A:G26 3.9 33.5 1.0
C6 A:G22 3.9 36.7 1.0
C6 A:G25 3.9 31.6 1.0
N1 A:G13 3.9 28.7 1.0
N1 A:G15 4.0 33.4 1.0
N1 A:G25 4.1 30.3 1.0
N1 A:G26 4.2 32.0 1.0
N1 A:G22 4.3 37.2 1.0
C5 A:G12 4.7 28.2 1.0
C2 A:G12 4.8 29.0 1.0
C5 A:G16 4.8 35.8 1.0
C5 A:G13 4.9 27.3 1.0
C5 A:G26 4.9 33.1 1.0
C5 A:G23 4.9 41.9 1.0
C2 A:G16 5.0 34.3 1.0

Reference:

L.Sjekloca, A.R.Ferre-D'amare. Binding Between G Quadruplexes at the Homodimer Interface of the Corn Rna Aptamer Strongly Activates Thioflavin T Fluorescence. Cell Chem Biol V. 26 1159 2019.
ISSN: ESSN 2451-9456
PubMed: 31178406
DOI: 10.1016/J.CHEMBIOL.2019.04.012
Page generated: Mon Aug 12 15:57:46 2024

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