Magnesium in PDB 7dn3: Structure of Human Rna Polymerase III Elongation Complex

All present enzymatic activity of Structure of Human Rna Polymerase III Elongation Complex:
2.7.7.6;

The structure of Structure of Human Rna Polymerase III Elongation Complex also contains other interesting chemical elements:

Zinc	(Zn)	6 atoms
Iron	(Fe)	4 atoms

The binding sites of Magnesium atom in the Structure of Human Rna Polymerase III Elongation Complex (pdb code 7dn3). 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 Structure of Human Rna Polymerase III Elongation Complex, PDB code: 7dn3:

Magnesium binding site 1 out of 1 in the Structure of Human Rna Polymerase III Elongation Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of Human Rna Polymerase III Elongation Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1901 b:66.1 occ:1.00 O3' R:U9 2.0 73.6 1.0 OD1 A:ASP499 2.2 65.4 1.0 OD2 A:ASP503 2.2 68.1 1.0 OD1 A:ASP501 2.2 64.2 1.0 OD2 A:ASP501 2.8 64.2 1.0 CG A:ASP499 2.8 65.4 1.0 CG A:ASP501 2.9 64.2 1.0 OD2 A:ASP499 2.9 65.4 1.0 C3' R:U9 3.4 74.4 1.0 CG A:ASP503 3.4 68.1 1.0 O2' R:U9 4.1 75.0 1.0 OD1 A:ASP503 4.1 68.1 1.0 C2' R:U9 4.2 74.6 1.0 C4' R:U9 4.2 75.0 1.0 CB A:ASP499 4.3 65.4 1.0 CB A:ASP503 4.3 68.1 1.0 CB A:ASP501 4.4 64.2 1.0 O A:ASP499 4.4 65.4 1.0 N A:ASP499 4.6 65.4 1.0 C5' R:U9 4.7 75.7 1.0 N A:ASP501 4.7 64.2 1.0 C A:ASP499 4.8 65.4 1.0 CA A:ASP499 4.8 65.4 1.0 NH2 A:ARG464 4.9 68.8 1.0 O5' R:U9 5.0 76.3 1.0 CA A:ASP503 5.0 68.1 1.0 CA A:ASP501 5.0 64.2 1.0 N A:ASP503 5.0 68.1 1.0

L.Li, Z.Yu, D.Zhao, Y.Ren, H.Hou, Y.Xu. Structure of Human Rna Polymerase III Elongation Complex. Cell Res. 2021.
ISSN: ISSN 1001-0602
PubMed: 33674783
DOI: 10.1038/S41422-021-00472-2