Magnesium in PDB 7faq: Crystal Structure of PDE5A in Complex with Inhibitor L1

All present enzymatic activity of Crystal Structure of PDE5A in Complex with Inhibitor L1:
3.1.4.35;

The structure of Crystal Structure of PDE5A in Complex with Inhibitor L1, PDB code: 7faq was solved by D.Wu, Y.Y.Huang, H.B.Luo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	22.70 / 2.20
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	73.875, 73.875, 131.855, 90, 90, 120
R / Rfree (%)	22.5 / 27.2

The structure of Crystal Structure of PDE5A in Complex with Inhibitor L1 also contains other interesting chemical elements:

Chlorine	(Cl)	1 atom
Zinc	(Zn)	1 atom

The binding sites of Magnesium atom in the Crystal Structure of PDE5A in Complex with Inhibitor L1 (pdb code 7faq). 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 PDE5A in Complex with Inhibitor L1, PDB code: 7faq:

Magnesium binding site 1 out of 1 in the Crystal Structure of PDE5A in Complex with Inhibitor L1


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 PDE5A in Complex with Inhibitor L1 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg902 b:33.5 occ:1.00 O A:HOH1023 1.9 34.0 1.0 O A:HOH1007 1.9 34.0 1.0 O A:HOH1002 2.1 34.0 1.0 O A:HOH1029 2.1 33.6 1.0 OD1 A:ASP654 2.2 34.4 1.0 O A:HOH1014 2.2 34.4 1.0 CG A:ASP654 2.9 37.1 1.0 OD2 A:ASP654 3.0 35.6 1.0 ZN A:ZN901 3.1 42.1 1.0 O3 A:SO4903 3.5 23.8 1.0 CD2 A:HIS653 3.9 34.3 1.0 O2 A:SO4903 4.1 43.9 1.0 OG1 A:THR723 4.2 28.7 1.0 NE2 A:HIS653 4.2 37.1 1.0 O A:THR723 4.2 37.1 1.0 OD2 A:ASP764 4.3 35.9 1.0 CB A:ASP654 4.4 33.5 1.0 S A:SO4903 4.5 19.0 1.0 CD2 A:HIS657 4.5 35.6 1.0 O A:HIS653 4.5 34.9 1.0 OE2 A:GLU682 4.6 40.2 1.0 O A:HOH1040 4.6 39.3 1.0 CB A:THR723 4.7 32.4 1.0 OD1 A:ASP764 4.7 32.9 1.0 CD2 A:HIS613 4.8 32.8 1.0 NE2 A:HIS657 4.8 36.6 1.0 CD2 A:HIS685 4.8 32.2 1.0 NE2 A:HIS685 4.8 30.5 1.0 CA A:ASP654 5.0 29.5 1.0 CG A:ASP764 5.0 34.6 1.0

D.Wu, X.Zheng, R.Liu, Z.Li, Z.Jiang, Q.Zhou, Y.Huang, X.N.Wu, C.Zhang, Y.Y.Huang, H.B.Luo. Free Energy Perturbation (Fep)-Guided Scaffold Hopping. Acta Pharm Sin B V. 12 1351 2022.
ISSN: ISSN 2211-3835
PubMed: 35530128
DOI: 10.1016/J.APSB.2021.09.027