Magnesium in PDB 2r7z: Cisplatin Lesion Containing Rna Polymerase II Elongation Complex

All present enzymatic activity of Cisplatin Lesion Containing Rna Polymerase II Elongation Complex:
2.7.7.6;

The structure of Cisplatin Lesion Containing Rna Polymerase II Elongation Complex, PDB code: 2r7z was solved by G.E.Damsma, A.Alt, F.Brueckner, T.Carell, 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 (°)	222.062, 393.123, 283.733, 90.00, 90.00, 90.00
R / Rfree (%)	21.5 / 24

The structure of Cisplatin Lesion Containing Rna Polymerase II Elongation Complex also contains other interesting chemical elements:

Platinum	(Pt)	1 atom
Zinc	(Zn)	8 atoms

The binding sites of Magnesium atom in the Cisplatin Lesion Containing Rna Polymerase II Elongation Complex (pdb code 2r7z). 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 Cisplatin Lesion Containing Rna Polymerase II Elongation Complex, PDB code: 2r7z:

Magnesium binding site 1 out of 1 in the Cisplatin Lesion Containing Rna Polymerase II Elongation Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Cisplatin Lesion Containing Rna Polymerase II Elongation Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1736 b:58.2 occ:1.00 O3' P:G10 2.2 0.5 1.0 O2' P:G10 2.7 0.8 1.0 OD2 A:ASP481 2.8 85.0 1.0 OD2 A:ASP483 2.8 82.3 1.0 OD1 A:ASP481 2.9 82.4 1.0 OD1 A:ASP483 2.9 81.8 1.0 OD1 A:ASP485 3.0 66.8 1.0 C3' P:G10 3.1 0.0 1.0 CG A:ASP481 3.2 84.6 1.0 CG A:ASP483 3.3 81.3 1.0 C2' P:G10 3.3 0.4 1.0 OD2 A:ASP485 3.4 63.8 1.0 CG A:ASP485 3.6 66.2 1.0 C4' P:G10 3.8 0.7 1.0 C1' P:G10 4.6 0.8 1.0 CB A:ASP481 4.7 84.9 1.0 CB A:ASP483 4.8 79.2 1.0 C5' P:G10 4.8 0.6 1.0 O4' P:G10 4.8 0.8 1.0

G.E.Damsma, A.Alt, F.Brueckner, T.Carell, P.Cramer. Mechanism of Transcriptional Stalling at Cisplatin-Damaged Dna. Nat.Struct.Mol.Biol. V. 14 1127 2007.
ISSN: ISSN 1545-9993
PubMed: 17994106
DOI: 10.1038/NSMB1314