Magnesium in PDB 2bt6: Ru(Bpy)2(Mbpy)-Modified Bovine Adrenodoxin

The structure of Ru(Bpy)2(Mbpy)-Modified Bovine Adrenodoxin, PDB code: 2bt6 was solved by A.Halavaty, J.J.Mueller, J.Contzen, C.Jung, F.Hannemann, R.Bernhardt, M.Galander, F.Lendzian, U.Heinemann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	50.510, 56.970, 79.080, 90.00, 90.00, 90.00
R / Rfree (%)	16.1 / 18.6

The structure of Ru(Bpy)2(Mbpy)-Modified Bovine Adrenodoxin also contains other interesting chemical elements:

Ruthenium	(Ru)	4 atoms
Iron	(Fe)	4 atoms

The binding sites of Magnesium atom in the Ru(Bpy)2(Mbpy)-Modified Bovine Adrenodoxin (pdb code 2bt6). 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 Ru(Bpy)2(Mbpy)-Modified Bovine Adrenodoxin, PDB code: 2bt6:

Magnesium binding site 1 out of 1 in the Ru(Bpy)2(Mbpy)-Modified Bovine Adrenodoxin


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Ru(Bpy)2(Mbpy)-Modified Bovine Adrenodoxin within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg1111 b:25.1 occ:1.00 O B:HOH2019 2.0 31.1 0.7 O A:HOH2055 2.0 31.8 1.0 O A:HOH2056 2.1 28.1 1.0 OD1 B:ASP41 3.8 37.9 1.0 OE2 A:GLU47 4.1 26.7 1.0 O B:HOH2021 4.1 30.0 1.0 OE1 A:GLU47 4.1 36.5 1.0 CD A:GLU47 4.5 26.6 1.0 CG B:ASP41 5.0 30.1 1.0

A.Halavaty, J.J.Mueller, J.Contzen, C.Jung, F.Hannemann, R.Bernhardt, M.Galander, F.Lendzian, U.Heinemann. Light-Induced Reduction of Bovine Adrenodoxin Via the Covalently Bound Ruthenium(II) Bipyridyl Complex: Intramolecular Electron Transfer and Crystal Structure. Biochemistry V. 45 709 2006.
ISSN: ISSN 0006-2960
PubMed: 16411746
DOI: 10.1021/BI0510330