Magnesium in PDB 6q57: X-Ray Crystal Structure of the Tetrahydrofolate Riboswitch Aptamer Bound to 5-Deazatetrahydropterin

The structure of X-Ray Crystal Structure of the Tetrahydrofolate Riboswitch Aptamer Bound to 5-Deazatetrahydropterin, PDB code: 6q57 was solved by M.S.Dunstan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	51.74 / 2.72
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	26.863, 68.697, 157.309, 90.00, 90.00, 90.00
R / Rfree (%)	21 / 24.8

The binding sites of Magnesium atom in the X-Ray Crystal Structure of the Tetrahydrofolate Riboswitch Aptamer Bound to 5-Deazatetrahydropterin (pdb code 6q57). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the X-Ray Crystal Structure of the Tetrahydrofolate Riboswitch Aptamer Bound to 5-Deazatetrahydropterin, PDB code: 6q57:

Magnesium binding site 1 out of 1 in the X-Ray Crystal Structure of the Tetrahydrofolate Riboswitch Aptamer Bound to 5-Deazatetrahydropterin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of X-Ray Crystal Structure of the Tetrahydrofolate Riboswitch Aptamer Bound to 5-Deazatetrahydropterin within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg103 b:53.1 occ:1.00 OP2 A:G36 2.0 54.8 1.0 P A:G36 3.3 56.6 1.0 OP2 A:A39 3.6 54.0 1.0 OP1 A:G36 3.8 59.6 1.0 O5' A:G36 4.1 48.8 1.0 N7 A:A39 4.2 48.7 1.0 O4 A:U40 4.3 46.6 1.0 OP2 A:G38 4.4 59.6 1.0 C5' A:G36 4.4 55.2 1.0 O3' A:U35 4.5 56.5 1.0 C3' A:U35 4.7 54.6 1.0 C8 A:A39 4.7 52.7 1.0 C5 A:U40 4.8 47.2 1.0 C4 A:U40 5.0 46.6 1.0 N4 A:C79 5.0 48.7 1.0

H.A.Vincent, J.Leigh, C.J.Robinson, M.S.Dunstan, M.G.Ferrer Rios, J.Micklefield. Tetrahydrofolate Riboswitches Provide Distinct Genetic Outputs to Synthetic and Natural Signals. To Be Published.