Magnesium in PDB 5xon: Rna Polymerase II Elongation Complex Bound with SPT4/5 and Tfiis

All present enzymatic activity of Rna Polymerase II Elongation Complex Bound with SPT4/5 and Tfiis:
2.7.7.6;

The structure of Rna Polymerase II Elongation Complex Bound with SPT4/5 and Tfiis also contains other interesting chemical elements:

Zinc

(Zn)

10 atoms

The binding sites of Magnesium atom in the Rna Polymerase II Elongation Complex Bound with SPT4/5 and Tfiis (pdb code 5xon). 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 Rna Polymerase II Elongation Complex Bound with SPT4/5 and Tfiis, PDB code: 5xon:

Magnesium binding site 1 out of 1 in the Rna Polymerase II Elongation Complex Bound with SPT4/5 and Tfiis


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Rna Polymerase II Elongation Complex Bound with SPT4/5 and Tfiis within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1803 b:54.5 occ:1.00 O3' P:U10 2.2 66.2 1.0 OD1 A:ASP486 2.3 66.6 1.0 OD1 A:ASP482 2.3 65.2 1.0 OD1 A:ASP484 2.4 65.1 1.0 OD2 A:ASP486 2.5 68.4 1.0 CG A:ASP486 2.7 62.5 1.0 CG A:ASP482 3.3 64.0 1.0 CG A:ASP484 3.4 66.2 1.0 C3' P:U10 3.4 58.1 1.0 OD2 A:ASP484 3.5 83.6 1.0 O2' P:U10 3.6 69.2 1.0 OD2 A:ASP482 3.7 92.7 1.0 C4' P:U10 3.8 55.9 1.0 O A:ASP482 4.0 65.8 1.0 C2' P:U10 4.1 62.7 1.0 CB A:ASP486 4.2 53.1 1.0 C5' P:U10 4.6 53.2 1.0 N A:ASP482 4.6 49.9 1.0 C A:ASP482 4.7 53.5 1.0 CB A:ASP482 4.7 52.2 1.0 N A:ASP486 4.7 61.0 1.0 CB A:ASP484 4.8 59.9 1.0 CA A:ASP486 4.9 61.7 1.0 CA A:ASP482 4.9 55.0 1.0 N A:ASP484 4.9 50.1 1.0 C A:ASP484 5.0 52.1 1.0

H.Ehara, T.Yokoyama, H.Shigematsu, S.Yokoyama, M.Shirouzu, S.I.Sekine. Structure of the Complete Elongation Complex of Rna Polymerase II with Basal Factors Science V. 357 921 2017.
ISSN: ESSN 1095-9203
PubMed: 28775211
DOI: 10.1126/SCIENCE.AAN8552