Magnesium in PDB 2b63: Complete Rna Polymerase II-Rna Inhibitor Complex

All present enzymatic activity of Complete Rna Polymerase II-Rna Inhibitor Complex:
2.7.7.6;

The structure of Complete Rna Polymerase II-Rna Inhibitor Complex, PDB code: 2b63 was solved by H.Kettenberger, A.Eisenfuehr, F.Brueckner, M.Theis, M.Famulok, P.Cramer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 3.80
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	224.585, 399.815, 286.727, 90.00, 90.00, 90.00
R / Rfree (%)	25.2 / 27.3

The structure of Complete Rna Polymerase II-Rna Inhibitor Complex also contains other interesting chemical elements:

Bromine	(Br)	4 atoms
Zinc	(Zn)	8 atoms

The binding sites of Magnesium atom in the Complete Rna Polymerase II-Rna Inhibitor Complex (pdb code 2b63). 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 Complete Rna Polymerase II-Rna Inhibitor Complex, PDB code: 2b63:

Magnesium binding site 1 out of 1 in the Complete Rna Polymerase II-Rna Inhibitor Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Complete Rna Polymerase II-Rna Inhibitor Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg2458 b:20.0 occ:1.00 OD2 A:ASP481 2.8 51.9 1.0 OD1 A:ASP483 2.8 54.9 1.0 OD1 A:ASP485 2.9 51.2 1.0 OD2 A:ASP483 2.9 55.5 1.0 OD1 A:ASP481 3.0 51.2 1.0 CG A:ASP483 3.2 54.0 1.0 CG A:ASP481 3.3 52.0 1.0 OD2 A:ASP485 3.5 49.4 1.0 CG A:ASP485 3.6 51.0 1.0 NH2 A:ARG446 4.7 68.7 1.0 CB A:ASP483 4.8 51.4 1.0 CB A:ASP481 4.8 52.7 1.0

H.Kettenberger, A.Eisenfuehr, F.Brueckner, M.Theis, M.Famulok, P.Cramer. Structure of An Rna Polymerase II-Rna Inhibitor Complex Elucidates Transcription Regulation By Noncoding Rnas Nat.Struct.Mol.Biol. V. 13 44 2006.
ISSN: ISSN 1545-9993
PubMed: 16341226
DOI: 10.1038/NSMB1032