Magnesium in PDB 6p1k: Cryo-Em Structure of Escherichia Coli SIGMA70 Bound Rnap Polymerase Holoenzyme

All present enzymatic activity of Cryo-Em Structure of Escherichia Coli SIGMA70 Bound Rnap Polymerase Holoenzyme:
2.7.7.6;

The structure of Cryo-Em Structure of Escherichia Coli SIGMA70 Bound Rnap Polymerase Holoenzyme also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Magnesium atom in the Cryo-Em Structure of Escherichia Coli SIGMA70 Bound Rnap Polymerase Holoenzyme (pdb code 6p1k). 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 Escherichia Coli SIGMA70 Bound Rnap Polymerase Holoenzyme, PDB code: 6p1k:

Magnesium binding site 1 out of 1 in the Cryo-Em Structure of Escherichia Coli SIGMA70 Bound Rnap Polymerase 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 Escherichia Coli SIGMA70 Bound Rnap Polymerase Holoenzyme within 5.0Å range: probe atom residue distance (Å) B Occ J:Mg1501 b:12.3 occ:1.00 OD1 J:ASP462 2.8 6.8 1.0 OD2 J:ASP462 3.0 6.8 1.0 OD1 J:ASP464 3.0 10.8 1.0 CG J:ASP462 3.3 6.8 1.0 OD2 J:ASP464 3.3 10.8 1.0 CG J:ASP464 3.6 10.8 1.0 CB J:ASP462 4.8 6.8 1.0 CB J:ASP460 4.8 21.8 1.0 NH2 J:ARG425 4.9 68.2 1.0

J.Chen, S.Gopalkrishnan, C.Chiu, A.Y.Chen, E.A.Campbell, R.L.Gourse, W.Ross, S.A.Darst. E. Colitrar Allosterically Regulates Transcription Initiation By Altering Rna Polymerase Conformation. Elife V. 8 2019.
ISSN: ESSN 2050-084X
PubMed: 31841111
DOI: 10.7554/ELIFE.49375