Potassium in PDB 2yif: Crystal Structure of A F. Nucleatum Fmn Riboswitch - Free State

The structure of Crystal Structure of A F. Nucleatum Fmn Riboswitch - Free State, PDB code: 2yif was solved by Q.Vicens, E.Mondragon, R.T.Batey, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.844 / 3.30
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	73.472, 73.472, 135.168, 90.00, 90.00, 120.00
R / Rfree (%)	20.58 / 25.72

The structure of Crystal Structure of A F. Nucleatum Fmn Riboswitch - Free State also contains other interesting chemical elements:

Magnesium

(Mg)

12 atoms

The binding sites of Potassium atom in the Crystal Structure of A F. Nucleatum Fmn Riboswitch - Free State (pdb code 2yif). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of A F. Nucleatum Fmn Riboswitch - Free State, PDB code: 2yif:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of A F. Nucleatum Fmn Riboswitch - Free 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 A F. Nucleatum Fmn Riboswitch - Free State within 5.0Å range: probe atom residue distance (Å) B Occ X:K1056 b:0.5 occ:1.00 O6 X:G36 3.8 0.3 1.0 O2' X:A40 4.0 82.7 1.0 OP2 X:A40 4.2 96.4 1.0 O6 X:G35 4.2 0.0 1.0 C2' X:A40 4.3 82.0 1.0 N7 X:G35 4.4 0.6 1.0 O4 X:U34 4.7 0.0 1.0 N7 X:G36 4.8 0.9 1.0 C6 X:G36 4.8 0.2 1.0 C6 X:G35 4.9 0.9 1.0 C4 X:U34 4.9 0.4 1.0 C5 X:U34 5.0 0.9 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of A F. Nucleatum Fmn Riboswitch - Free State


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of A F. Nucleatum Fmn Riboswitch - Free State within 5.0Å range: probe atom residue distance (Å) B Occ Z:K1121 b:0.9 occ:1.00 O6 Z:G97 3.8 0.4 1.0 O6 Z:G98 4.3 0.7 1.0 O4 Z:U96 4.5 0.8 1.0 O6 X:G12 4.6 0.7 1.0 OP2 Z:C95 4.7 99.8 1.0 O Z:HOH2014 4.8 1.0 1.0 C6 Z:G97 4.8 0.4 1.0 N7 Z:G97 4.9 0.1 1.0

Q.Vicens, E.Mondragon, R.T.Batey. Molecular Sensing By the Aptamer Domain of the Fmn Riboswitch: A General Model For Ligand Binding By Conformational Selection. Nucleic Acids Res. V. 39 8586 2011.
ISSN: ISSN 0305-1048
PubMed: 21745821
DOI: 10.1093/NAR/GKR565