Potassium in PDB 4e48: Structure of 20MER Double-Helical Rna Composed of Cug/Cug-Repeats

The structure of Structure of 20MER Double-Helical Rna Composed of Cug/Cug-Repeats, PDB code: 4e48 was solved by E.Katorcha, L.Malinina, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 2.50
Space group	P 3 2 1
Cell size a, b, c (Å), α, β, γ (°)	43.642, 43.642, 158.556, 90.00, 90.00, 120.00
R / Rfree (%)	20.3 / 27.9

The binding sites of Potassium atom in the Structure of 20MER Double-Helical Rna Composed of Cug/Cug-Repeats (pdb code 4e48). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Structure of 20MER Double-Helical Rna Composed of Cug/Cug-Repeats, PDB code: 4e48:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Structure of 20MER Double-Helical Rna Composed of Cug/Cug-Repeats


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of 20MER Double-Helical Rna Composed of Cug/Cug-Repeats within 5.0Å range: probe atom residue distance (Å) B Occ A:K103 b:35.4 occ:0.33 O2' A:C8 2.9 13.8 1.0 O A:HOH214 3.1 7.1 0.3 O3' A:C8 3.2 15.2 1.0 OP1 A:U9 3.9 15.0 1.0 C2' A:C8 3.9 14.9 1.0 C3' A:C8 4.0 15.0 1.0 P A:U9 4.0 15.6 1.0 O5' A:U9 4.1 16.1 1.0 C5' A:U9 4.2 17.1 1.0 C4' A:C8 4.4 14.7 1.0 C4' A:U9 4.5 17.6 1.0 O A:HOH212 4.6 2.0 0.3 O4' A:U9 4.7 17.1 1.0

Potassium binding site 2 out of 2 in the Structure of 20MER Double-Helical Rna Composed of Cug/Cug-Repeats


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of 20MER Double-Helical Rna Composed of Cug/Cug-Repeats within 5.0Å range: probe atom residue distance (Å) B Occ A:K104 b:60.6 occ:0.33 O3' A:G19 3.1 20.0 1.0 O2' A:G19 3.2 21.0 1.0 OP1 A:C20 3.6 18.1 1.0 O5' A:C20 3.7 21.0 1.0 P A:C20 3.7 19.0 1.0 C3' A:G19 4.0 22.1 1.0 C2' A:G19 4.1 21.7 1.0 C5' A:C20 4.2 21.8 1.0 C4' A:G19 4.5 23.5 1.0 C4' A:C20 4.7 22.1 1.0 O4' A:C20 4.9 20.6 1.0

J.Tamjar, E.Katorcha, A.Popov, L.Malinina. Structural Dynamics of Double-Helical Rnas Composed of Cug/Cug- and Cug/Cgg-Repeats. J.Biomol.Struct.Dyn. V. 30 505 2012.
ISSN: ISSN 0739-1102
PubMed: 22731704
DOI: 10.1080/07391102.2012.687517