Magnesium in PDB 7vtx: Crystal Structure of PDE8A Catalytic Domain in Complex with 22

All present enzymatic activity of Crystal Structure of PDE8A Catalytic Domain in Complex with 22:
3.1.4.53;

The structure of Crystal Structure of PDE8A Catalytic Domain in Complex with 22, PDB code: 7vtx was solved by X.-N.Wu, Q.Zhou, Y.-D.Huang, Z.Li, Y.Wu, H.-B.Luo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	24.22 / 2.50
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	75.936, 132.005, 101.592, 90, 90, 90
R / Rfree (%)	24.6 / 27.7

The structure of Crystal Structure of PDE8A Catalytic Domain in Complex with 22 also contains other interesting chemical elements:

Fluorine	(F)	2 atoms
Zinc	(Zn)	1 atom
Chlorine	(Cl)	1 atom

The binding sites of Magnesium atom in the Crystal Structure of PDE8A Catalytic Domain in Complex with 22 (pdb code 7vtx). 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 Crystal Structure of PDE8A Catalytic Domain in Complex with 22, PDB code: 7vtx:

Magnesium binding site 1 out of 1 in the Crystal Structure of PDE8A Catalytic Domain in Complex with 22


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of PDE8A Catalytic Domain in Complex with 22 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg902 b:26.4 occ:1.00 O A:HOH1033 2.0 21.7 1.0 O A:HOH1016 2.0 30.4 1.0 O A:HOH1028 2.1 32.2 1.0 O A:HOH1013 2.1 22.1 1.0 OD1 A:ASP597 2.2 33.4 1.0 O A:HOH1057 2.9 13.6 1.0 CG A:ASP597 3.2 35.8 1.0 OD2 A:ASP597 3.6 37.5 1.0 ZN A:ZN901 3.9 36.3 1.0 OG1 A:THR668 4.1 36.3 1.0 NE2 A:HIS629 4.1 36.9 1.0 O A:HIS596 4.1 34.9 1.0 OE2 A:GLU626 4.1 40.4 1.0 CD2 A:HIS629 4.2 37.0 1.0 CD2 A:HIS600 4.4 33.4 1.0 NE2 A:HIS600 4.5 33.4 1.0 O A:HOH1010 4.6 42.6 1.0 CB A:ASP597 4.6 36.0 1.0 CB A:THR668 4.6 37.3 1.0 CD2 A:HIS596 4.6 34.3 1.0 CA A:ASP597 4.8 36.0 1.0 C A:HIS596 4.9 34.8 1.0 CG A:GLU626 4.9 39.5 1.0 CD A:GLU626 4.9 39.9 1.0

X.-N.Wu, Q.Zhou, Y.-D.Huang, Z.Li, Y.Wu, H.-B.Luo. Structure-Based Discovery of Orally Efficient PDE8 Inhibitors For the Treatment of Vascular Dementia To Be Published.