Potassium in PDB 7r44: Bovine Complex I in the Presence of IM1761092, Active Class IV (Composite Map)

All present enzymatic activity of Bovine Complex I in the Presence of IM1761092, Active Class IV (Composite Map):
1.6.5.3; 1.6.99.3; 7.1.1.2;

The structure of Bovine Complex I in the Presence of IM1761092, Active Class IV (Composite Map) also contains other interesting chemical elements:

Zinc	(Zn)	1 atom
Chlorine	(Cl)	1 atom
Iron	(Fe)	28 atoms
Iodine	(I)	1 atom
Magnesium	(Mg)	1 atom

The binding sites of Potassium atom in the Bovine Complex I in the Presence of IM1761092, Active Class IV (Composite Map) (pdb code 7r44). 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 Bovine Complex I in the Presence of IM1761092, Active Class IV (Composite Map), PDB code: 7r44:

Potassium binding site 1 out of 1 in the Bovine Complex I in the Presence of IM1761092, Active Class IV (Composite Map)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Bovine Complex I in the Presence of IM1761092, Active Class IV (Composite Map) within 5.0Å range: probe atom residue distance (Å) B Occ G:K804 b:30.9 occ:1.00 O G:HOH1013 2.5 33.3 1.0 O G:CYS203 2.7 30.1 1.0 O G:ILE200 2.7 33.6 1.0 OE1 G:GLN110 2.7 29.2 1.0 O G:VAL205 2.9 28.9 1.0 O G:LEU208 3.4 31.8 1.0 CD G:GLN110 3.4 29.2 1.0 NE2 G:GLN110 3.6 29.2 1.0 C G:CYS203 3.7 30.1 1.0 CB G:CYS203 3.8 30.1 1.0 C G:ILE200 3.9 33.6 1.0 C G:VAL205 4.0 28.9 1.0 CA G:CYS203 4.2 30.1 1.0 SG G:CYS203 4.3 30.1 1.0 N G:VAL205 4.4 28.9 1.0 CE Q:MET45 4.5 33.7 1.0 N G:CYS203 4.5 30.1 1.0 C G:LEU208 4.6 31.8 1.0 CA G:ILE200 4.6 33.6 1.0 O G:ASP201 4.7 34.8 1.0 CG2 G:ILE200 4.7 33.6 1.0 C G:PRO204 4.7 29.5 1.0 CG G:GLN110 4.7 29.2 1.0 N G:PRO204 4.7 29.5 1.0 CA G:VAL205 4.8 28.9 1.0 N G:GLY206 4.8 29.0 1.0 CA G:GLY206 4.8 29.0 1.0 C G:ASP201 4.9 34.8 1.0 N G:ASP201 4.9 34.8 1.0

H.R.Bridges, J.N.Blaza, Z.Yin, I.Chung, M.N.Pollak, J.Hirst. Structural Basis of Mammalian Respiratory Complex I Inhibition By Medicinal Biguanides. Science V. 379 351 2023.
ISSN: ESSN 1095-9203
PubMed: 36701435
DOI: 10.1126/SCIENCE.ADE3332