Magnesium in PDB 8iuh: Rna Polymerase III Pre-Initiation Complex Open Complex 1

All present enzymatic activity of Rna Polymerase III Pre-Initiation Complex Open Complex 1:
2.7.7.6;

The structure of Rna Polymerase III Pre-Initiation Complex Open Complex 1 also contains other interesting chemical elements:

Zinc	(Zn)	8 atoms
Iron	(Fe)	4 atoms

The binding sites of Magnesium atom in the Rna Polymerase III Pre-Initiation Complex Open Complex 1 (pdb code 8iuh). 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 Rna Polymerase III Pre-Initiation Complex Open Complex 1, PDB code: 8iuh:

Magnesium binding site 1 out of 1 in the Rna Polymerase III Pre-Initiation Complex Open Complex 1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Rna Polymerase III Pre-Initiation Complex Open Complex 1 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1403 b:100.6 occ:1.00 OD2 A:ASP503 2.1 95.9 1.0 OD1 A:ASP501 2.1 95.3 1.0 OD1 A:ASP499 2.2 98.1 1.0 OD1 A:ASP503 2.6 95.9 1.0 CG A:ASP503 2.6 95.9 1.0 OD2 A:ASP501 2.7 95.3 1.0 CG A:ASP501 2.7 95.3 1.0 OD2 A:ASP499 2.8 98.1 1.0 CG A:ASP499 2.9 98.1 1.0 CB A:ASP503 4.1 95.9 1.0 NH2 A:ARG464 4.1 94.6 1.0 CB A:ASP501 4.2 95.3 1.0 CB A:ASP499 4.3 98.1 1.0 N A:ASP499 4.6 98.1 1.0 N A:ASP501 4.7 95.3 1.0 CA A:ASP501 4.9 95.3 1.0 CA A:ASP499 4.9 98.1 1.0 N A:ASP503 4.9 95.9 1.0 CA A:ASP503 5.0 95.9 1.0 C A:ASP501 5.0 95.3 1.0

H.Hou, Q.Jin, Y.Ren, Z.Chen, Q.Wang, Y.Xu. Structure of the Snapc-Bound Rna Polymerase III Preinitiation Complex. Cell Res. 2023.
ISSN: ISSN 1001-0602
PubMed: 37165065
DOI: 10.1038/S41422-023-00819-X