Potassium in PDB 8rgr: Closed Complex I From Murine Liver

All present enzymatic activity of Closed Complex I From Murine Liver:
7.1.1.2;

The structure of Closed Complex I From Murine Liver also contains other interesting chemical elements:

Zinc	(Zn)	1 atom
Magnesium	(Mg)	1 atom
Iron	(Fe)	28 atoms

The binding sites of Potassium atom in the Closed Complex I From Murine Liver (pdb code 8rgr). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Closed Complex I From Murine Liver, PDB code: 8rgr:

Potassium binding site 1 out of 1 in the Closed Complex I From Murine Liver


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Closed Complex I From Murine Liver within 5.0Å range: probe atom residue distance (Å) B Occ 3:K804 b:117.0 occ:1.00 O 3:LEU208 2.9 51.7 1.0 O 3:VAL205 2.9 51.3 1.0 O 3:CYS203 2.9 68.0 1.0 OE1 3:GLN110 3.0 93.5 1.0 O 3:ILE200 3.0 61.7 1.0 CB 3:CYS203 3.5 56.9 1.0 CD 3:GLN110 3.7 83.9 1.0 C 3:CYS203 3.8 56.0 1.0 NE2 3:GLN110 3.9 78.4 1.0 C 3:LEU208 3.9 56.9 1.0 C 3:VAL205 4.0 50.1 1.0 C 3:ILE200 4.0 54.6 1.0 SG 3:CYS203 4.1 57.2 1.0 CA 3:CYS203 4.1 53.1 1.0 CA 3:GLY206 4.2 48.6 1.0 CA 3:ILE200 4.4 54.7 1.0 N 3:CYS203 4.5 54.5 1.0 N 3:LEU208 4.5 46.8 1.0 CE Q:MET45 4.6 83.1 1.0 N 3:GLY206 4.6 50.5 1.0 CG2 3:ILE200 4.7 83.2 1.0 N 3:THR209 4.7 53.6 1.0 CA 3:LEU208 4.7 55.7 1.0 CG2 3:THR209 4.7 75.4 1.0 C 3:GLY206 4.7 53.3 1.0 CA 3:THR209 4.7 58.6 1.0 N 3:ALA207 4.8 58.7 1.0 O 3:VAL199 4.8 65.4 1.0 N 3:PRO204 4.9 50.7 1.0 CG 3:GLN110 5.0 57.6 1.0 O 3:ASP201 5.0 64.0 1.0 C 3:PRO204 5.0 58.1 1.0

I.Vercellino, L.A.Sazanov. SCAF1 Drives the Compositional Diversity of Mammalian Respirasomes. Nat.Struct.Mol.Biol. 2024.
ISSN: ESSN 1545-9985
PubMed: 38575788
DOI: 10.1038/S41594-024-01255-0