Potassium in PDB 2xo1: Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine

The structure of Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine, PDB code: 2xo1 was solved by P.Daldrop, F.E.Reyes, D.A.Robinson, C.M.Hammond, D.M.J.Lilley, R.T.Batey, R.Brenk, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	66.38 / 1.60
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	132.762, 35.180, 41.736, 90.00, 90.51, 90.00
R / Rfree (%)	19.5 / 21.1

The structure of Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine also contains other interesting chemical elements:

Cobalt

(Co)

7 atoms

The binding sites of Potassium atom in the Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine (pdb code 2xo1). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine, PDB code: 2xo1:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine within 5.0Å range: probe atom residue distance (Å) B Occ A:K1090 b:43.8 occ:1.00 O A:HOH2018 3.7 35.0 1.0 O A:HOH2182 3.8 31.4 1.0 O A:HOH2217 4.0 32.2 1.0 OP2 A:G68 4.2 14.8 1.0 O A:HOH2009 4.2 26.4 1.0 O A:HOH2186 4.3 25.5 1.0 O A:HOH2185 4.4 25.1 1.0 O A:HOH2130 4.8 35.6 1.0

Potassium binding site 2 out of 3 in the Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine within 5.0Å range: probe atom residue distance (Å) B Occ A:K1091 b:46.8 occ:1.00 O A:HOH2128 2.1 18.0 1.0 O A:HOH2126 2.4 29.2 1.0 O A:HOH2097 2.5 35.6 1.0 OP1 A:C53 3.9 26.4 1.0 O A:HOH2109 4.1 30.2 1.0 OP2 A:C41 4.1 14.7 1.0 OP1 A:C54 4.4 29.9 1.0 OP2 A:C53 4.6 25.6 1.0 O A:HOH2095 4.7 39.4 1.0 P A:C53 4.7 25.4 1.0 OP1 A:C41 4.9 17.6 1.0

Potassium binding site 3 out of 3 in the Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Xpt-Pbux C74U Riboswitch From B. Subtilis Bound to N6-Methyladenine within 5.0Å range: probe atom residue distance (Å) B Occ A:K1092 b:30.3 occ:1.00 OP1 A:C26 3.9 28.1 1.0 OP1 A:U69 4.1 17.0 1.0 O A:HOH2188 4.1 37.2 1.0 O3' A:U25 4.3 26.6 1.0 O A:HOH2002 4.3 26.1 1.0 O A:HOH2001 4.3 33.4 1.0 OP2 A:U69 4.4 13.8 1.0 O A:HOH2197 4.6 38.5 1.0 O A:HOH2190 4.6 27.9 1.0 O A:HOH2191 4.7 28.6 1.0 P A:U69 4.7 14.0 1.0 O A:HOH2023 4.8 36.6 1.0 P A:C26 4.8 26.1 1.0

P.Daldrop, F.E.Reyes, D.A.Robinson, C.M.Hammond, D.M.Lilley, R.T.Batey, R.Brenk. Novel Ligands For A Purine Riboswitch Discovered By Rna-Ligand Docking. Chem. Biol. V. 18 324 2011.
ISSN: ISSN 1879-1301
PubMed: 21439477
DOI: 10.1016/J.CHEMBIOL.2010.12.020