Magnesium in PDB 5t83: Structure of A Guanidine-I Riboswitch From S. Acidophilus

The structure of Structure of A Guanidine-I Riboswitch From S. Acidophilus, PDB code: 5t83 was solved by C.W.Reiss, Y.Xiong, S.A.Strobel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 2.71
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	49.091, 49.091, 246.341, 90.00, 90.00, 90.00
R / Rfree (%)	20 / 22.6

The structure of Structure of A Guanidine-I Riboswitch From S. Acidophilus also contains other interesting chemical elements:

Strontium	(Sr)	9 atoms
Iridium	(Ir)	3 atoms

The binding sites of Magnesium atom in the Structure of A Guanidine-I Riboswitch From S. Acidophilus (pdb code 5t83). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Structure of A Guanidine-I Riboswitch From S. Acidophilus, PDB code: 5t83:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Structure of A Guanidine-I Riboswitch From S. Acidophilus


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of A Guanidine-I Riboswitch From S. Acidophilus within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg111 b:0.0 occ:1.00 O A:HOH216 2.2 0.7 1.0 O A:HOH214 2.2 0.7 1.0 O A:HOH213 2.2 0.5 1.0 OP1 A:A27 4.8 0.5 1.0

Magnesium binding site 2 out of 2 in the Structure of A Guanidine-I Riboswitch From S. Acidophilus


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Structure of A Guanidine-I Riboswitch From S. Acidophilus within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg112 b:0.6 occ:1.00 O A:HOH202 2.2 0.3 1.0 O A:HOH206 2.2 0.9 1.0 O A:HOH207 2.2 0.1 1.0 O A:HOH215 2.2 0.4 1.0 O A:HOH211 2.2 0.9 1.0 O A:HOH210 2.2 0.8 1.0 OP2 A:A70 3.6 73.9 1.0 OP2 A:G47 4.0 63.5 1.0 O3' A:A46 4.5 55.0 1.0 P A:A70 4.8 83.2 1.0 N7 A:A70 4.8 73.7 1.0 C8 A:A70 4.9 79.0 1.0 O5' A:A70 4.9 74.3 1.0 P A:G47 4.9 65.1 1.0 O2' A:A46 5.0 58.5 1.0

C.W.Reiss, Y.Xiong, S.A.Strobel. Structural Basis For Ligand Binding to the Guanidine-I Riboswitch. Structure V. 25 195 2017.
ISSN: ISSN 1878-4186
PubMed: 28017522
DOI: 10.1016/J.STR.2016.11.020