Magnesium in PDB 7ubn: Transcription Antitermination Complex: Nusa-Containing "Engaged" Qlambda-Loading Complex

All present enzymatic activity of Transcription Antitermination Complex: Nusa-Containing "Engaged" Qlambda-Loading Complex:
2.7.7.6;

The structure of Transcription Antitermination Complex: Nusa-Containing "Engaged" Qlambda-Loading Complex also contains other interesting chemical elements:

Zinc

(Zn)

3 atoms

The binding sites of Magnesium atom in the Transcription Antitermination Complex: Nusa-Containing "Engaged" Qlambda-Loading Complex (pdb code 7ubn). 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 Transcription Antitermination Complex: Nusa-Containing "Engaged" Qlambda-Loading Complex, PDB code: 7ubn:

Magnesium binding site 1 out of 1 in the Transcription Antitermination Complex: Nusa-Containing "Engaged" Qlambda-Loading Complex


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Transcription Antitermination Complex: Nusa-Containing "Engaged" Qlambda-Loading Complex within 5.0Å range: probe atom residue distance (Å) B Occ D:Mg1503 b:50.8 occ:1.00 OD1 D:ASP464 2.1 33.9 1.0 OD2 D:ASP464 2.1 33.9 1.0 OD1 D:ASP460 2.1 34.4 1.0 O3' R:A11 2.2 39.8 1.0 CG D:ASP464 2.4 33.9 1.0 OD1 D:ASP462 2.9 22.7 1.0 O2' R:A11 3.0 39.8 1.0 C3' R:A11 3.3 39.8 1.0 CG D:ASP460 3.3 34.4 1.0 C2' R:A11 3.7 39.8 1.0 O D:ASP460 3.7 34.4 1.0 C4' R:A11 3.8 39.8 1.0 CB D:ASP464 3.9 33.9 1.0 CG D:ASP462 3.9 22.7 1.0 OD2 D:ASP460 4.0 34.4 1.0 N D:ASP460 4.1 34.4 1.0 OD2 D:ASP462 4.2 22.7 1.0 C D:ASP460 4.3 34.4 1.0 CB D:ASP460 4.4 34.4 1.0 CA D:ASP460 4.5 34.4 1.0 N D:ASP464 4.7 33.9 1.0 CA D:ASP464 4.7 33.9 1.0 C5' R:A11 4.7 39.8 1.0 NH1 D:ARG425 4.7 27.5 1.0 N D:ASP462 4.8 22.7 1.0 O D:ASN458 4.8 28.7 1.0 C1' R:A11 4.9 39.8 1.0 O4' R:A11 4.9 39.8 1.0

Z.Yin, J.G.Bird, J.T.Kaelber, B.E.Nickels, R.H.Ebright. In Transcription Antitermination By Q Lambda , Nusa Induces Refolding of Q Lambda to Form A Nozzle That Extends the Rna Polymerase Rna-Exit Channel. Proc.Natl.Acad.Sci.Usa V. 119 78119 2022.
ISSN: ESSN 1091-6490
PubMed: 35951650
DOI: 10.1073/PNAS.2205278119