Potassium in PDB 3f4h: Crystal Structure of the Fmn Riboswitch Bound to Roseoflavin

The structure of Crystal Structure of the Fmn Riboswitch Bound to Roseoflavin, PDB code: 3f4h was solved by A.A.Serganov, L.Huang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 3.00
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	70.726, 70.726, 135.575, 90.00, 90.00, 120.00
R / Rfree (%)	19.1 / 22.8

The structure of Crystal Structure of the Fmn Riboswitch Bound to Roseoflavin also contains other interesting chemical elements:

Magnesium

(Mg)

11 atoms

The binding sites of Potassium atom in the Crystal Structure of the Fmn Riboswitch Bound to Roseoflavin (pdb code 3f4h). 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 the Fmn Riboswitch Bound to Roseoflavin, PDB code: 3f4h:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of the Fmn Riboswitch Bound to Roseoflavin


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 Fmn Riboswitch Bound to Roseoflavin within 5.0Å range: probe atom residue distance (Å) B Occ X:K300 b:0.7 occ:1.00 OP2 X:A40 3.7 93.1 1.0 O6 X:G36 3.7 97.5 1.0 O4 X:U37 3.7 0.1 1.0 N7 X:G36 4.2 97.7 1.0 C2' X:A40 4.2 95.8 1.0 O2' X:A40 4.3 97.0 1.0 O6 X:G35 4.4 0.2 1.0 N7 X:G35 4.4 0.9 1.0 C6 X:G36 4.6 97.8 1.0 P X:A40 4.6 93.1 1.0 O5' X:A40 4.7 93.6 1.0 C5 X:G36 4.8 97.6 1.0 C4 X:U37 4.8 0.0 1.0 C8 X:A40 4.8 94.4 1.0 C3' X:A40 5.0 96.0 1.0 C6 X:G35 5.0 1.0 1.0 C5 X:G35 5.0 0.5 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of the Fmn Riboswitch Bound to Roseoflavin


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 the Fmn Riboswitch Bound to Roseoflavin within 5.0Å range: probe atom residue distance (Å) B Occ Y:K301 b:16.3 occ:0.10 O6 Y:G98 3.5 0.8 1.0 O6 Y:G97 3.8 0.2 1.0 N7 Y:G97 3.9 0.0 1.0 O2 Y:RS3200 4.2 90.0 1.0 C6 Y:G97 4.3 0.9 1.0 C5 Y:G97 4.4 0.9 1.0 C2 Y:A99 4.5 0.1 1.0 N7 Y:G98 4.5 0.4 1.0 C6 Y:G98 4.5 0.8 1.0 N3 Y:A99 4.8 0.7 1.0 C8 Y:G97 4.9 0.5 1.0 C5 Y:G98 4.9 0.5 1.0

A.Serganov, L.Huang, D.J.Patel. Coenzyme Recognition and Gene Regulation By A Flavin Mononucleotide Riboswitch. Nature V. 458 233 2009.
ISSN: ISSN 0028-0836
PubMed: 19169240
DOI: 10.1038/NATURE07642