Potassium in PDB 8qh4: Crystal Structure of Reduced Respiratory Complex I Subunits Nuoef From Aquifex Aeolicus Bound to Oxidized 3-Acetylpyridine Adenine Dinucleotide

The structure of Crystal Structure of Reduced Respiratory Complex I Subunits Nuoef From Aquifex Aeolicus Bound to Oxidized 3-Acetylpyridine Adenine Dinucleotide, PDB code: 8qh4 was solved by D.Wohlwend, T.Friedrich, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.15 / 1.96
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	63.527, 116.619, 190.01, 90, 90, 90
R / Rfree (%)	19.2 / 22.4

The structure of Crystal Structure of Reduced Respiratory Complex I Subunits Nuoef From Aquifex Aeolicus Bound to Oxidized 3-Acetylpyridine Adenine Dinucleotide also contains other interesting chemical elements:

Iron	(Fe)	12 atoms
Sodium	(Na)	8 atoms

The binding sites of Potassium atom in the Crystal Structure of Reduced Respiratory Complex I Subunits Nuoef From Aquifex Aeolicus Bound to Oxidized 3-Acetylpyridine Adenine Dinucleotide (pdb code 8qh4). 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 Crystal Structure of Reduced Respiratory Complex I Subunits Nuoef From Aquifex Aeolicus Bound to Oxidized 3-Acetylpyridine Adenine Dinucleotide, PDB code: 8qh4:

Potassium binding site 1 out of 1 in the Crystal Structure of Reduced Respiratory Complex I Subunits Nuoef From Aquifex Aeolicus Bound to Oxidized 3-Acetylpyridine Adenine Dinucleotide


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Reduced Respiratory Complex I Subunits Nuoef From Aquifex Aeolicus Bound to Oxidized 3-Acetylpyridine Adenine Dinucleotide within 5.0Å range: probe atom residue distance (Å) B Occ D:K509 b:101.0 occ:1.00 OE1 D:GLU97 2.7 29.7 1.0 O2D D:A3D503 2.7 42.4 1.0 O D:HOH839 2.8 32.0 1.0 CD D:GLU97 3.6 26.6 1.0 C2D D:A3D503 3.6 43.4 1.0 O D:HOH694 3.6 24.4 1.0 OE2 D:GLU97 3.8 27.9 1.0 C1D D:A3D503 4.0 44.4 1.0 OG1 D:THR319 4.0 20.8 1.0 CG2 D:THR319 4.0 20.5 1.0 O D:HOH708 4.2 27.8 1.0 CD2 D:LEU297 4.2 25.3 1.0 O D:HOH658 4.3 42.5 1.0 N D:THR319 4.3 21.3 1.0 CA D:GLY68 4.4 22.2 1.0 O D:HOH657 4.4 21.0 1.0 CA D:GLY318 4.5 23.2 1.0 CB D:THR319 4.6 20.9 1.0 CB D:LEU297 4.7 23.9 1.0 O D:HOH791 4.7 47.9 1.0 C D:GLY318 4.7 22.6 1.0 O D:GLY67 4.8 20.4 1.0 O4D D:A3D503 4.9 43.8 1.0 CG D:LEU297 4.9 24.9 1.0 CG D:GLU97 5.0 24.3 1.0

D.Wohlwend, L.Merono, S.Bucka, K.Ritter, H.J.Jessen, T.Friedrich. Structures of 3-Acetylpyridine Adenine Dinucleotide and Adp-Ribose Bound to the Electron Input Module of Respiratory Complex I. Structure 2024.
ISSN: ISSN 0969-2126
PubMed: 38503292
DOI: 10.1016/J.STR.2024.02.013