Magnesium in PDB 2waq: The Complete Structure of the Archaeal 13-Subunit Dna-Directed Rna Polymerase

The structure of The Complete Structure of the Archaeal 13-Subunit Dna-Directed Rna Polymerase, PDB code: 2waq was solved by Y.Korkhin, U.M.Unligil, O.Littlefield, P.J.Nelson, D.I.Stuart, P.B.Sigler, S.D.Bell, N.G.A.Abrescia, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	42.78 / 3.35
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	193.501, 212.620, 128.998, 90.00, 90.00, 90.00
R / Rfree (%)	27.1 / 34.1

The structure of The Complete Structure of the Archaeal 13-Subunit Dna-Directed Rna Polymerase also contains other interesting chemical elements:

Iron	(Fe)	3 atoms
Zinc	(Zn)	9 atoms

The binding sites of Magnesium atom in the The Complete Structure of the Archaeal 13-Subunit Dna-Directed Rna Polymerase (pdb code 2waq). 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 The Complete Structure of the Archaeal 13-Subunit Dna-Directed Rna Polymerase, PDB code: 2waq:

Magnesium binding site 1 out of 1 in the The Complete Structure of the Archaeal 13-Subunit Dna-Directed Rna Polymerase


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of The Complete Structure of the Archaeal 13-Subunit Dna-Directed Rna Polymerase within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1400 b:58.7 occ:1.00 OD1 A:ASP456 2.4 40.2 1.0 OD1 A:ASP458 2.5 41.5 1.0 OD1 A:ASP460 2.6 40.3 1.0 OD2 A:ASP456 2.9 40.4 1.0 CG A:ASP456 3.0 40.3 1.0 CG A:ASP458 3.3 41.7 1.0 OD2 A:ASP458 3.5 41.8 1.0 CG A:ASP460 3.7 40.1 1.0 OD2 A:ASP460 4.0 40.1 1.0 CB A:ASP456 4.5 40.4 1.0 CB A:ASP458 4.8 41.9 1.0 O A:ASP456 5.0 40.2 1.0 CB A:ASP460 5.0 40.2 1.0

Y.Korkhin, U.M.Unligil, O.Littlefield, P.J.Nelson, D.I.Stuart, P.B.Sigler, S.D.Bell, N.G.Abrescia. Evolution of Complex Rna Polymerases: the Complete Archaeal Rna Polymerase Structure. Plos Biol. V. 7 00102 2009.
ISSN: ESSN 1545-7885
PubMed: 19419240
DOI: 10.1371/JOURNAL.PBIO.1000102