Magnesium in PDB 7kd1: Apo Structure of the Thf Riboswitch Aptamer Domain

The structure of Apo Structure of the Thf Riboswitch Aptamer Domain, PDB code: 7kd1 was solved by H.M.Wilt, J.R.Stagno, Y.-X.Wang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.75 / 1.90
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	74.04, 74.04, 122.26, 90, 90, 120
R / Rfree (%)	20.5 / 22.6

The binding sites of Magnesium atom in the Apo Structure of the Thf Riboswitch Aptamer Domain (pdb code 7kd1). 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 Apo Structure of the Thf Riboswitch Aptamer Domain, PDB code: 7kd1:

Magnesium binding site 1 out of 1 in the Apo Structure of the Thf Riboswitch Aptamer Domain


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Apo Structure of the Thf Riboswitch Aptamer Domain within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg103 b:90.4 occ:1.00 OP3 A:G1 2.4 92.4 1.0 O A:HOH223 2.4 91.7 1.0 OP1 A:G1 2.6 101.7 1.0 P A:G1 2.9 92.9 1.0 O5' A:G1 3.5 85.4 1.0 C5' A:G1 3.9 73.1 1.0 OP2 A:G1 4.3 101.8 1.0 OP2 A:G2 4.9 72.9 1.0

H.M.Wilt, P.Yu, K.Tan, Y.X.Wang, J.R.Stagno. Tying the Knot in the Tetrahydrofolate (Thf) Riboswitch: A Molecular Basis For Gene Regulation. J.Struct.Biol. 07703 2021.
ISSN: ESSN 1095-8657
PubMed: 33571639
DOI: 10.1016/J.JSB.2021.107703