Potassium in PDB 8tjv: Tetrahymena Ribozyme Scaffolded Fluoride Riboswitch

The structure of Tetrahymena Ribozyme Scaffolded Fluoride Riboswitch also contains other interesting chemical elements:

Magnesium	(Mg)	30 atoms
Fluorine	(F)	1 atom

The binding sites of Potassium atom in the Tetrahymena Ribozyme Scaffolded Fluoride Riboswitch (pdb code 8tjv). 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 Tetrahymena Ribozyme Scaffolded Fluoride Riboswitch, PDB code: 8tjv:

Potassium binding site 1 out of 1 in the Tetrahymena Ribozyme Scaffolded Fluoride Riboswitch


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Tetrahymena Ribozyme Scaffolded Fluoride Riboswitch within 5.0Å range: probe atom residue distance (Å) B Occ A:K505 b:301.9 occ:1.00 OP1 A:G5 2.7 315.1 1.0 O3' A:A6 2.7 285.4 1.0 OP1 A:U7 2.8 298.3 1.0 O5' A:A6 2.8 285.4 1.0 OP1 A:A6 3.3 285.4 1.0 P A:U7 3.3 298.3 1.0 C5' A:G5 3.4 315.1 1.0 O5' A:G5 3.5 315.1 1.0 P A:G5 3.7 315.1 1.0 P A:A6 3.7 285.4 1.0 C3' A:A6 3.7 285.4 1.0 C4' A:A6 3.7 285.4 1.0 C5' A:A6 3.8 285.4 1.0 MG A:MG501 4.0 306.4 1.0 O2' A:C22 4.1 308.4 1.0 OP2 A:U7 4.2 298.3 1.0 MG A:MG503 4.3 305.8 1.0 OP1 A:G8 4.6 314.6 1.0 O5' A:U7 4.6 298.3 1.0 C4' A:G5 4.6 315.1 1.0 O3' A:C4 4.7 322.1 1.0 O2' A:A6 4.7 285.4 1.0 O3' A:G5 4.8 315.1 1.0 OP2 A:A6 4.8 285.4 1.0 C5' A:U7 4.8 298.3 1.0 OP2 A:G5 4.9 315.1 1.0 C2' A:A6 4.9 285.4 1.0 C3' A:G5 5.0 315.1 1.0

C.J.Langeberg, J.S.Kieft. A Generalizable Scaffold-Based Approach For Structure Determination of Rnas By Cryo-Em. Nucleic Acids Res. 2023.
ISSN: ESSN 1362-4962
PubMed: 37791881
DOI: 10.1093/NAR/GKAD784