Magnesium in PDB 3qt1: Rna Polymerase II Variant Containing A Chimeric RPB9-C11 Subunit

All present enzymatic activity of Rna Polymerase II Variant Containing A Chimeric RPB9-C11 Subunit:
2.7.7.6;

The structure of Rna Polymerase II Variant Containing A Chimeric RPB9-C11 Subunit, PDB code: 3qt1 was solved by W.Ruan, E.Lehmann, M.Thomm, D.Kostrewa, P.Cramer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.60 / 4.30
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	222.380, 393.380, 281.430, 90.00, 90.00, 90.00
R / Rfree (%)	23.5 / 28.1

The structure of Rna Polymerase II Variant Containing A Chimeric RPB9-C11 Subunit also contains other interesting chemical elements:

Zinc

(Zn)

7 atoms

The binding sites of Magnesium atom in the Rna Polymerase II Variant Containing A Chimeric RPB9-C11 Subunit (pdb code 3qt1). 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 II Variant Containing A Chimeric RPB9-C11 Subunit, PDB code: 3qt1:

Magnesium binding site 1 out of 1 in the Rna Polymerase II Variant Containing A Chimeric RPB9-C11 Subunit


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Rna Polymerase II Variant Containing A Chimeric RPB9-C11 Subunit within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg3009 b:90.0 occ:1.00 OD2 A:ASP483 2.7 0.2 1.0 OD1 A:ASP483 2.8 0.8 1.0 OD2 A:ASP481 2.9 0.8 1.0 CG A:ASP483 3.1 0.3 1.0 OD2 A:ASP485 3.2 0.7 1.0 CG A:ASP481 3.6 0.6 1.0 CB A:ASP481 3.9 0.9 1.0 CG A:ASP485 4.0 0.2 1.0 OD1 A:ASP485 4.5 0.1 1.0 OD1 A:ASP481 4.6 0.3 1.0 CB A:ASP483 4.6 0.7 1.0 N A:ASP481 4.7 0.0 1.0 CA A:ASP481 4.9 0.5 1.0

W.Ruan, E.Lehmann, M.Thomm, D.Kostrewa, P.Cramer. Evolution of Two Modes of Intrinsic Rna Polymerase Transcript Cleavage. J.Biol.Chem. V. 286 18701 2011.
ISSN: ISSN 0021-9258
PubMed: 21454497
DOI: 10.1074/JBC.M111.222273