Potassium in PDB 2yie: Crystal Structure of A F. Nucleatum Fmn Riboswitch Bound to Fmn

The structure of Crystal Structure of A F. Nucleatum Fmn Riboswitch Bound to Fmn, PDB code: 2yie 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)	26.292 / 2.94
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	73.679, 73.679, 139.251, 90.00, 90.00, 120.00
R / Rfree (%)	20.41 / 23.14

The structure of Crystal Structure of A F. Nucleatum Fmn Riboswitch Bound to Fmn also contains other interesting chemical elements:

Magnesium

(Mg)

14 atoms

The binding sites of Potassium atom in the Crystal Structure of A F. Nucleatum Fmn Riboswitch Bound to Fmn (pdb code 2yie). 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 Bound to Fmn, PDB code: 2yie:
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 Bound to Fmn


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 Bound to Fmn within 5.0Å range: probe atom residue distance (Å) B Occ X:K1063 b:0.4 occ:1.00 OP2 X:A40 4.2 64.0 1.0 O6 X:G36 4.3 72.2 1.0 O4 X:U37 4.3 74.5 1.0 N7 X:G36 4.3 70.7 1.0 N7 X:G35 4.4 70.0 1.0 O2' X:A40 4.4 68.4 1.0 C2' X:A40 4.6 65.4 1.0 O6 X:G35 4.6 76.4 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of A F. Nucleatum Fmn Riboswitch Bound to Fmn


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 Bound to Fmn within 5.0Å range: probe atom residue distance (Å) B Occ Z:K1121 b:0.8 occ:1.00 O6 Z:G97 3.9 68.9 1.0 OP2 Z:C95 4.2 72.0 1.0 O4 Z:U96 4.4 69.8 1.0 O2 Z:FMN1114 4.4 68.6 1.0 OP1 Z:U94 4.8 55.3 1.0 C5 Z:U96 4.9 72.9 1.0 C4 Z:U96 4.9 70.8 1.0 C6 Z:G97 5.0 73.3 1.0 O6 X:G12 5.0 51.7 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