Magnesium in PDB 9cry: Ctfab E46S Active Site Mutant Inactive

All present enzymatic activity of Ctfab E46S Active Site Mutant Inactive:
2.8.3.8; 2.8.3.9;

The structure of Ctfab E46S Active Site Mutant Inactive, PDB code: 9cry was solved by G.Buhrman, R.Bing, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	42.20 / 2.60
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	131.339, 131.339, 158.788, 90, 90, 90
R / Rfree (%)	18.6 / 23.3

The structure of Ctfab E46S Active Site Mutant Inactive also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

The binding sites of Magnesium atom in the Ctfab E46S Active Site Mutant Inactive (pdb code 9cry). 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 Ctfab E46S Active Site Mutant Inactive, PDB code: 9cry:

Magnesium binding site 1 out of 1 in the Ctfab E46S Active Site Mutant Inactive


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Ctfab E46S Active Site Mutant Inactive within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg303 b:44.9 occ:1.00 OD2 A:ASP209 2.5 33.0 1.0 O A:HOH440 2.6 34.2 1.0 O A:LYS181 2.8 42.1 1.0 OD1 A:ASP209 3.0 32.2 1.0 CG A:ASP209 3.1 32.2 1.0 HA A:THR182 3.3 46.7 1.0 HZ2 A:LYS181 3.5 94.4 1.0 O C:HOH417 3.8 32.2 1.0 C A:LYS181 3.9 47.0 1.0 H A:VAL183 4.2 38.7 1.0 CA A:THR182 4.2 39.0 1.0 O A:ILE207 4.3 32.2 1.0 HG23 A:VAL183 4.3 38.7 1.0 NZ A:LYS181 4.3 78.7 1.0 N A:THR182 4.5 33.1 1.0 HZ1 A:LYS181 4.5 94.4 1.0 O A:HOH438 4.6 32.2 1.0 HA A:ILE207 4.6 41.3 1.0 CB A:ASP209 4.6 32.2 1.0 HZ3 A:LYS181 4.7 94.4 1.0 N A:VAL183 4.7 32.2 1.0 HA A:LYS181 4.8 59.2 1.0 HG23 A:THR182 4.8 48.1 1.0 HG21 A:VAL183 4.9 38.7 1.0 HB2 A:ASP209 4.9 38.7 1.0 C A:THR182 4.9 32.2 1.0 HB A:VAL183 4.9 39.9 1.0 O A:ALA180 4.9 38.0 1.0 CA A:LYS181 5.0 49.4 1.0

R.G.Bing, G.K.Buhrman, K.C.Ford, C.T.Straub, T.Laemthong, R.B.Rose, M.Adams, R.M.Kelly. Structural and Kinetic Characterization of An Acetoacetyl-Coenzyme A: Acetate Coenzyme A Transferase From the Extreme Thermophile Thermosipho Melanesiensis. Biochem.J. 2025.
ISSN: ESSN 1470-8728
PubMed: 39869497
DOI: 10.1042/BCJ20240747