Magnesium in PDB 5n61: Rna Polymerase I Initially Transcribing Complex

All present enzymatic activity of Rna Polymerase I Initially Transcribing Complex:
2.7.7.6;

The structure of Rna Polymerase I Initially Transcribing Complex also contains other interesting chemical elements:

Zinc

(Zn)

7 atoms

The binding sites of Magnesium atom in the Rna Polymerase I Initially Transcribing Complex (pdb code 5n61). 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 I Initially Transcribing Complex, PDB code: 5n61:

Magnesium binding site 1 out of 1 in the Rna Polymerase I Initially Transcribing Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Rna Polymerase I Initially Transcribing Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg3003 b:0.0 occ:1.00 O2' S:A6 2.3 0.0 1.0 OD1 A:ASP629 2.4 0.0 1.0 O3' S:A6 2.5 0.0 1.0 OD2 A:ASP627 2.7 0.0 1.0 CB A:ASP627 2.8 0.0 1.0 CG A:ASP627 2.9 0.0 1.0 C3' S:A6 3.1 0.0 1.0 CG A:ASP629 3.2 0.0 1.0 C2' S:A6 3.2 0.0 1.0 C4' S:A6 3.2 0.0 1.0 OD2 A:ASP629 3.2 0.0 1.0 OD1 A:ASP631 3.3 0.0 1.0 N A:ASP627 3.7 0.0 1.0 OD2 A:ASP631 3.7 0.0 1.0 CA A:ASP627 3.8 0.0 1.0 O4' S:A6 3.9 0.0 1.0 CG A:ASP631 3.9 0.0 1.0 OD1 A:ASP627 3.9 0.0 1.0 C1' S:A6 4.1 0.0 1.0 C5' S:A6 4.4 0.0 1.0 NH2 A:ARG591 4.5 0.0 1.0 O A:ASP629 4.5 0.0 1.0 C A:ASP627 4.6 0.0 1.0 CB A:ASP629 4.6 0.0 1.0 N A:ASP629 4.8 0.0 1.0 C A:ALA626 4.8 0.0 1.0 N A:PHE628 5.0 0.0 1.0

C.Engel, T.Gubbey, S.Neyer, S.Sainsbury, C.Oberthuer, C.Baejen, C.Bernecky, P.Cramer. Structural Basis of Rna Polymerase I Transcription Initiation. Cell V. 169 120 2017.
ISSN: ISSN 1097-4172
PubMed: 28340337
DOI: 10.1016/J.CELL.2017.03.003