Magnesium in PDB 1y1w: Complete Rna Polymerase II Elongation Complex

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

The structure of Complete Rna Polymerase II Elongation Complex, PDB code: 1y1w was solved by P.Cramer, H.Kettenberger, K.-J.Armache, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 4.00
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	221.370, 392.500, 283.180, 90.00, 90.00, 90.00
R / Rfree (%)	25.3 / 27.6

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

Zinc

(Zn)

8 atoms

The binding sites of Magnesium atom in the Complete Rna Polymerase II Elongation Complex (pdb code 1y1w). 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 Elongation Complex, PDB code: 1y1w:

Magnesium binding site 1 out of 1 in the Complete 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 Complete Rna Polymerase II Elongation Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1736 b:23.7 occ:1.00 O3' P:C10 2.2 76.7 1.0 OD1 A:ASP481 2.4 48.7 1.0 OD2 A:ASP481 2.6 47.0 1.0 O2' P:C10 2.7 74.9 1.0 CG A:ASP481 2.8 48.8 1.0 OD2 A:ASP483 2.9 47.8 1.0 OD1 A:ASP485 3.0 35.9 1.0 C3' P:C10 3.1 76.8 1.0 OD1 A:ASP483 3.1 45.7 1.0 OD2 A:ASP485 3.1 36.1 1.0 C2' P:C10 3.3 76.0 1.0 CG A:ASP483 3.4 45.7 1.0 CG A:ASP485 3.4 36.7 1.0 C4' P:C10 3.7 77.9 1.0 CB A:ASP481 4.4 50.2 1.0 NH2 A:ARG446 4.4 56.2 1.0 C1' P:C10 4.6 76.6 1.0 C5' P:C10 4.7 80.7 1.0 O4' P:C10 4.8 76.9 1.0 CB A:ASP483 4.9 44.8 1.0 CB A:ASP485 4.9 36.4 1.0

H.Kettenberger, K.-J.Armache, P.Cramer. Complete Rna Polymerase II Elongation Complex Structure and Its Interactions with Ntp and Tfiis Mol.Cell V. 16 955 2004.
ISSN: ISSN 1097-2765
PubMed: 15610738
DOI: 10.1016/J.MOLCEL.2004.11.040