Magnesium in PDB 7ml4: Rna Polymerase II Initially Transcribing Complex (Itc)

All present enzymatic activity of Rna Polymerase II Initially Transcribing Complex (Itc):
2.7.7.6; 3.6.4.12;

The structure of Rna Polymerase II Initially Transcribing Complex (Itc) also contains other interesting chemical elements:

Zinc	(Zn)	15 atoms
Iron	(Fe)	4 atoms

The binding sites of Magnesium atom in the Rna Polymerase II Initially Transcribing Complex (Itc) (pdb code 7ml4). 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 Initially Transcribing Complex (Itc), PDB code: 7ml4:

Magnesium binding site 1 out of 1 in the Rna Polymerase II Initially Transcribing Complex (Itc)


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 Initially Transcribing Complex (Itc) within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1803 b:39.0 occ:1.00 OD1 A:ASP483 2.0 9.0 1.0 OD1 A:ASP481 2.0 9.1 1.0 O3' P:A10 2.2 132.8 1.0 OD1 A:ASP485 2.4 8.2 1.0 OD2 A:ASP483 2.6 8.5 1.0 CG A:ASP483 2.7 8.3 1.0 OD2 A:ASP485 2.9 8.9 1.0 CG A:ASP481 2.9 8.8 1.0 CG A:ASP485 3.0 8.1 1.0 OD2 A:ASP481 3.1 9.8 1.0 O2' P:A10 3.3 132.7 1.0 C3' P:A10 3.5 132.9 1.0 C2' P:A10 4.0 132.8 1.0 O A:ASP481 4.0 7.0 1.0 CB A:ASP483 4.1 6.7 1.0 C4' P:A10 4.1 133.2 1.0 CB A:ASP481 4.3 7.0 1.0 CB A:ASP485 4.4 6.4 1.0 N A:ASP481 4.5 6.7 1.0 N A:ASP483 4.5 6.5 1.0 C A:ASP481 4.6 7.2 1.0 O A:ASP483 4.7 6.4 1.0 CA A:ASP483 4.7 6.4 1.0 CA A:ASP481 4.7 6.7 1.0 C A:ASP483 4.8 6.6 1.0 N A:ASP485 4.8 6.2 1.0

C.Yang, R.Fujiwara, H.J.Kim, P.Basnet, Y.Zhu, J.J.Gorbea Colon, S.Steimle, B.A.Garcia, C.D.Kaplan, K.Murakami. Structural Visualization of De Novo Transcription Initiation By Saccharomyces Cerevisiae Rna Polymerase II. Mol.Cell V. 82 660 2022.
ISSN: ISSN 1097-2765
PubMed: 35051353
DOI: 10.1016/J.MOLCEL.2021.12.020