Magnesium in PDB 6c9y: Cryo-Em Structure of E. Coli Rnap SIGMA70 Holoenzyme

All present enzymatic activity of Cryo-Em Structure of E. Coli Rnap SIGMA70 Holoenzyme:
2.7.7.6;

The structure of Cryo-Em Structure of E. Coli Rnap SIGMA70 Holoenzyme also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Magnesium atom in the Cryo-Em Structure of E. Coli Rnap SIGMA70 Holoenzyme (pdb code 6c9y). 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 Cryo-Em Structure of E. Coli Rnap SIGMA70 Holoenzyme, PDB code: 6c9y:

Magnesium binding site 1 out of 1 in the Cryo-Em Structure of E. Coli Rnap SIGMA70 Holoenzyme


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Cryo-Em Structure of E. Coli Rnap SIGMA70 Holoenzyme within 5.0Å range: probe atom residue distance (Å) B Occ D:Mg2001 b:65.2 occ:1.00 OD2 D:ASP462 2.1 66.5 1.0 OD1 D:ASP462 2.3 66.5 1.0 CG D:ASP462 2.4 66.5 1.0 OD2 D:ASP464 3.3 63.5 1.0 CB D:ASP460 3.4 61.3 1.0 OD2 D:ASP460 3.5 61.3 1.0 OD1 D:ASP464 3.5 63.5 1.0 CG D:ASP464 3.8 63.5 1.0 CB D:ASP462 3.8 66.5 1.0 CG D:ASP460 3.9 61.3 1.0 N D:ASP460 4.3 61.3 1.0 CA D:ASP460 4.3 61.3 1.0 N D:ASP462 4.5 66.5 1.0 C D:ASP460 4.6 61.3 1.0 CA D:ASP462 4.7 66.5 1.0 O D:ASP460 5.0 61.3 1.0

A.Narayanan, F.S.Vago, K.Li, M.Z.Qayyum, D.Yernool, W.Jiang, K.S.Murakami. Cryo-Em Structure Ofescherichia COLISIGMA70RNA Polymerase and Promoter Dna Complex Revealed A Role of Sigma Non-Conserved Region During the Open Complex Formation. J. Biol. Chem. V. 293 7367 2018.
ISSN: ESSN 1083-351X
PubMed: 29581236
DOI: 10.1074/JBC.RA118.002161