Potassium in PDB 3dig: Crystal Structure of the Thermotoga Maritima Lysine Riboswitch Bound to S-(2-Aminoethyl)-L-Cysteine

The structure of Crystal Structure of the Thermotoga Maritima Lysine Riboswitch Bound to S-(2-Aminoethyl)-L-Cysteine, PDB code: 3dig was solved by A.A.Serganov, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	54.441, 78.941, 142.855, 90.00, 90.00, 90.00
R / Rfree (%)	19.7 / 22.5

The structure of Crystal Structure of the Thermotoga Maritima Lysine Riboswitch Bound to S-(2-Aminoethyl)-L-Cysteine also contains other interesting chemical elements:

Sodium

(Na)

14 atoms

The binding sites of Potassium atom in the Crystal Structure of the Thermotoga Maritima Lysine Riboswitch Bound to S-(2-Aminoethyl)-L-Cysteine (pdb code 3dig). 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 Crystal Structure of the Thermotoga Maritima Lysine Riboswitch Bound to S-(2-Aminoethyl)-L-Cysteine, PDB code: 3dig:

Potassium binding site 1 out of 1 in the Crystal Structure of the Thermotoga Maritima Lysine Riboswitch Bound to S-(2-Aminoethyl)-L-Cysteine


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 Thermotoga Maritima Lysine Riboswitch Bound to S-(2-Aminoethyl)-L-Cysteine within 5.0Å range: probe atom residue distance (Å) B Occ X:K200 b:31.7 occ:1.00 OXT X:SLZ175 2.8 24.8 1.0 O4' X:G14 3.0 23.4 1.0 O2' X:G115 3.1 23.3 1.0 O2' X:G11 3.1 25.3 1.0 O4' X:G12 3.1 27.0 1.0 N3 X:G12 3.2 27.4 1.0 O X:SLZ175 3.5 25.2 1.0 C X:SLZ175 3.5 25.1 1.0 C4' X:G12 3.6 26.9 1.0 N2 X:G12 3.8 27.2 1.0 C2' X:G11 3.9 25.3 1.0 C1' X:G14 3.9 23.8 1.0 C4' X:G14 3.9 23.4 1.0 C2 X:G12 3.9 27.8 1.0 C1' X:G12 4.0 26.9 1.0 C2' X:G115 4.2 23.2 1.0 C1' X:G115 4.2 23.8 1.0 C4 X:G12 4.3 27.0 1.0 C5' X:G12 4.3 26.6 1.0 O2' X:G14 4.4 22.8 1.0 C5' X:G14 4.5 23.7 1.0 N9 X:G12 4.5 26.7 1.0 C3' X:G11 4.6 25.5 1.0 C2' X:G14 4.8 23.5 1.0 CA X:SLZ175 4.8 25.3 1.0 O4' X:G115 4.8 23.5 1.0 C3' X:G12 4.9 27.1 1.0 N2 X:G114 4.9 21.6 1.0 N9 X:G14 4.9 24.6 1.0

A.Serganov, L.Huang, D.J.Patel. Structural Insights Into Amino Acid Binding and Gene Control By A Lysine Riboswitch. Nature V. 455 1263 2008.
ISSN: ISSN 0028-0836
PubMed: 18784651
DOI: 10.1038/NATURE07326