Magnesium in PDB 7qsk: Bovine Complex I in Lipid Nanodisc, Active-Q10

All present enzymatic activity of Bovine Complex I in Lipid Nanodisc, Active-Q10:
1.6.5.3; 1.6.99.3; 7.1.1.2;

The structure of Bovine Complex I in Lipid Nanodisc, Active-Q10 also contains other interesting chemical elements:

Iron	(Fe)	28 atoms
Zinc	(Zn)	1 atom
Potassium	(K)	1 atom

The binding sites of Magnesium atom in the Bovine Complex I in Lipid Nanodisc, Active-Q10 (pdb code 7qsk). 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 Bovine Complex I in Lipid Nanodisc, Active-Q10, PDB code: 7qsk:

Magnesium binding site 1 out of 1 in the Bovine Complex I in Lipid Nanodisc, Active-Q10


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Bovine Complex I in Lipid Nanodisc, Active-Q10 within 5.0Å range: probe atom residue distance (Å) B Occ O:Mg402 b:58.3 occ:1.00 O1G O:GTP401 2.3 61.8 1.0 O1A O:GTP401 2.3 61.8 1.0 OG O:SER36 2.4 59.0 1.0 O1B O:GTP401 2.6 61.8 1.0 O O:HOH513 3.0 61.1 1.0 PA O:GTP401 3.4 61.8 1.0 NZ O:LYS35 3.5 58.0 1.0 OE2 O:GLU53 3.5 55.0 1.0 PG O:GTP401 3.5 61.8 1.0 PB O:GTP401 3.6 61.8 1.0 O5' O:GTP401 3.7 61.8 1.0 OE1 O:GLU125 3.7 55.7 1.0 CB O:SER36 3.8 59.0 1.0 O3A O:GTP401 3.9 61.8 1.0 O3B O:GTP401 4.0 61.8 1.0 O3G O:GTP401 4.3 61.8 1.0 CE O:LYS35 4.3 58.0 1.0 C5' O:GTP401 4.4 61.8 1.0 O2G O:GTP401 4.5 61.8 1.0 O2A O:GTP401 4.5 61.8 1.0 CD O:GLU53 4.6 55.0 1.0 CA O:SER36 4.8 59.0 1.0 O2B O:GTP401 4.8 61.8 1.0 CD O:GLU125 4.9 55.7 1.0 N O:SER36 4.9 59.0 1.0 CG O:LYS35 4.9 58.0 1.0 CB O:GLU53 4.9 55.0 1.0

I.Chung, J.J.Wright, H.R.Bridges, B.S.Ivanov, O.Biner, C.S.Pereira, G.M.Arantes, J.Hirst. Cryo-Em Structures Define Ubiquinone-10 Binding to Mitochondrial Complex I and Conformational Transitions Accompanying Q-Site Occupancy. Nat Commun V. 13 2758 2022.
ISSN: ESSN 2041-1723
PubMed: 35589726
DOI: 10.1038/S41467-022-30506-1