Magnesium in PDB 5ip9: Structure of Rna Polymerase II-Tfiif Complex

All present enzymatic activity of Structure of Rna Polymerase II-Tfiif Complex:
2.7.7.6;

The structure of Structure of Rna Polymerase II-Tfiif Complex, PDB code: 5ip9 was solved by C.Plaschka, M.Hantsche, C.Dienemann, C.Burzinski, J.Plitzko, P.Cramer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.93 / 3.90
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	222.820, 392.730, 283.420, 90.00, 90.00, 90.00
R / Rfree (%)	16.2 / 19.4

The structure of Structure of Rna Polymerase II-Tfiif Complex also contains other interesting chemical elements:

Zinc

(Zn)

8 atoms

The binding sites of Magnesium atom in the Structure of Rna Polymerase II-Tfiif Complex (pdb code 5ip9). 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 Structure of Rna Polymerase II-Tfiif Complex, PDB code: 5ip9:

Magnesium binding site 1 out of 1 in the Structure of Rna Polymerase II-Tfiif Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of Rna Polymerase II-Tfiif Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1803 b:51.0 occ:1.00 OD1 A:ASP483 1.9 0.3 1.0 CG A:ASP483 2.7 0.4 1.0 OD2 A:ASP483 2.9 0.2 1.0 OD1 A:ASP481 3.3 74.5 1.0 OD1 A:ASP485 3.4 98.3 1.0 CG A:ASP481 4.0 79.9 1.0 OD2 A:ASP481 4.1 82.2 1.0 CB A:ASP483 4.2 93.6 1.0 O A:ASP483 4.4 95.2 1.0 CG A:ASP485 4.5 92.9 1.0 CE B:LYS987 4.6 0.1 1.0 C A:ASP483 4.9 92.8 1.0

C.Plaschka, M.Hantsche, C.Dienemann, C.Burzinski, J.Plitzko, P.Cramer. Transcription Initiation Complex Structures Elucidate Dna Opening. Nature V. 533 353 2016.
ISSN: ESSN 1476-4687
PubMed: 27193681
DOI: 10.1038/NATURE17990