Magnesium in PDB 7ob9: Cryo-Em Structure of Human Rna Polymerase I in Elongation State

All present enzymatic activity of Cryo-Em Structure of Human Rna Polymerase I in Elongation State:
2.7.7.6;

The structure of Cryo-Em Structure of Human Rna Polymerase I in Elongation State also contains other interesting chemical elements:

Zinc

(Zn)

6 atoms

The binding sites of Magnesium atom in the Cryo-Em Structure of Human Rna Polymerase I in Elongation State (pdb code 7ob9). 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 Cryo-Em Structure of Human Rna Polymerase I in Elongation State, PDB code: 7ob9:

Magnesium binding site 1 out of 1 in the Cryo-Em Structure of Human Rna Polymerase I in Elongation State


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Cryo-Em Structure of Human Rna Polymerase I in Elongation State within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1803 b:42.1 occ:1.00 O3' R:G19 2.0 48.1 1.0 OD1 A:ASP588 2.0 40.0 1.0 OD1 A:ASP590 2.1 41.1 1.0 OD1 A:ASP592 2.7 40.0 1.0 CG A:ASP590 2.8 41.1 1.0 OD2 A:ASP590 2.9 41.1 1.0 CG A:ASP588 3.0 40.0 1.0 OD2 A:ASP592 3.2 40.0 1.0 OD2 A:ASP588 3.3 40.0 1.0 CG A:ASP592 3.3 40.0 1.0 C3' R:G19 3.4 48.1 1.0 O2' R:G19 3.7 48.1 1.0 C2' R:G19 4.1 48.1 1.0 C4' R:G19 4.1 48.1 1.0 CB A:ASP590 4.3 41.1 1.0 CB A:ASP588 4.4 40.0 1.0 N A:ASP588 4.4 40.0 1.0 N A:ASP590 4.5 41.1 1.0 C5' R:G19 4.7 48.1 1.0 CB A:ASP592 4.7 40.0 1.0 CA A:ASP588 4.7 40.0 1.0 C A:ASP588 4.8 40.0 1.0 CA A:ASP590 4.8 41.1 1.0

A.D.Misiaszek, M.Girbig, C.W.Mueller. Cryo-Em Structures of Human Rna Polymerase I. To Be Published.
DOI: 10.1038/S41594-021-00693-4