Magnesium in PDB 7e20: Cryo Em Structure of A K+-Bound Na+,K+-Atpase in the E2 State

All present enzymatic activity of Cryo Em Structure of A K+-Bound Na+,K+-Atpase in the E2 State:
7.2.2.13;

The structure of Cryo Em Structure of A K+-Bound Na+,K+-Atpase in the E2 State also contains other interesting chemical elements:

Potassium

(K)

3 atoms

The binding sites of Magnesium atom in the Cryo Em Structure of A K+-Bound Na+,K+-Atpase in the E2 State (pdb code 7e20). 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 A K+-Bound Na+,K+-Atpase in the E2 State, PDB code: 7e20:

Magnesium binding site 1 out of 1 in the Cryo Em Structure of A K+-Bound Na+,K+-Atpase in the E2 State


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 A K+-Bound Na+,K+-Atpase in the E2 State within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1104 b:47.8 occ:1.00 O A:THR378 2.1 52.2 1.0 OD1 A:ASP717 2.2 49.1 1.0 OD2 A:ASP376 2.5 47.8 1.0 CG A:ASP717 3.0 49.1 1.0 OD2 A:ASP717 3.1 49.1 1.0 C A:THR378 3.3 52.2 1.0 O A:HOH1401 3.6 30.0 1.0 CG A:ASP376 3.7 47.8 1.0 CB A:THR378 4.1 52.2 1.0 CA A:THR378 4.1 52.2 1.0 O A:GLY220 4.2 57.3 1.0 OD1 A:ASP376 4.2 47.8 1.0 OD2 A:ASP721 4.2 48.8 1.0 N A:GLY379 4.3 52.5 1.0 N A:THR378 4.3 52.2 1.0 CB A:ASP717 4.5 49.1 1.0 N A:GLY718 4.5 49.4 1.0 CG2 A:THR378 4.5 52.2 1.0 CA A:GLY379 4.5 52.5 1.0 CA A:GLY220 4.6 57.3 1.0 C A:GLY220 4.9 57.3 1.0 CB A:ASP376 4.9 47.8 1.0 OD1 A:ASN720 4.9 50.6 1.0 CA A:GLY718 4.9 49.4 1.0 OG1 A:THR380 4.9 49.9 1.0 N A:ASP717 5.0 49.1 1.0

Y.Guo, Y.Zhang, R.Yan, B.Huang, F.Ye, L.Wu, X.Chi, Y.Shi, Q.Zhou. Cryo-Em Structures of Recombinant Human Sodium-Potassium Pump Determined in Three Different States. Nat Commun V. 13 3957 2022.
ISSN: ESSN 2041-1723
PubMed: 35803952
DOI: 10.1038/S41467-022-31602-Y