Magnesium in PDB 7zqm: D(Cgcgcg)2 Z-Dna at 3000 Bars (300 Mpa)

The structure of D(Cgcgcg)2 Z-Dna at 3000 Bars (300 Mpa), PDB code: 7zqm was solved by T.Prange, N.Colloc'h, E.Girard, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	25.45 / 1.41
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	17.89, 31.11, 44.23, 90, 90, 90
R / Rfree (%)	19.1 / 35.5

The binding sites of Magnesium atom in the D(Cgcgcg)2 Z-Dna at 3000 Bars (300 Mpa) (pdb code 7zqm). 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 D(Cgcgcg)2 Z-Dna at 3000 Bars (300 Mpa), PDB code: 7zqm:

Magnesium binding site 1 out of 1 in the D(Cgcgcg)2 Z-Dna at 3000 Bars (300 Mpa)


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of D(Cgcgcg)2 Z-Dna at 3000 Bars (300 Mpa) within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg200 b:20.3 occ:1.00 OP2 A:DC3 2.7 16.8 1.0 O A:HOH302 2.8 24.7 1.0 O A:HOH320 2.9 28.0 1.0 N2 A:DG2 3.1 5.5 1.0 C2' A:DC3 3.3 8.7 1.0 C5' A:DG2 3.5 8.8 1.0 O A:HOH319 3.6 20.7 1.0 C3' A:DC3 3.9 9.8 1.0 N3 A:DG2 3.9 6.0 1.0 C2 A:DG2 4.0 5.5 1.0 P A:DC3 4.0 13.1 1.0 C3' A:DG2 4.1 10.1 1.0 O5' A:DC3 4.3 10.2 1.0 OP2 A:DG2 4.4 11.8 1.0 C4' A:DG2 4.4 8.8 1.0 O3' A:DC1 4.4 7.8 1.0 O3' A:DG2 4.5 10.7 1.0 O5' A:DG2 4.6 9.2 1.0 C1' A:DC3 4.7 7.8 1.0 O3' A:DC3 4.7 11.9 1.0 P A:DG2 4.7 9.1 1.0 O B:HOH114 4.8 16.5 1.0 OP1 A:DG4 4.9 16.8 1.0

T.Prange, N.Colloc'h, A.C.Dhaussy, M.Lecouvey, E.Migianu-Griffoni, E.Girard. Behavior of B- and Z-Dna Crystals Under High Hydrostatic Pressure Crystals 2022.
ISSN: ESSN 2073-4352
DOI: 10.3390/CRYST12060871