Magnesium in PDB 5u7d: PDE2 Catalytic Domain Complexed with Inhibitors

All present enzymatic activity of PDE2 Catalytic Domain Complexed with Inhibitors:
3.1.4.17;

The structure of PDE2 Catalytic Domain Complexed with Inhibitors, PDB code: 5u7d was solved by J.Pandit, K.Parris, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	38.92 / 1.75
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	167.256, 74.369, 91.641, 90.00, 110.33, 90.00
R / Rfree (%)	16.8 / 19.7

The structure of PDE2 Catalytic Domain Complexed with Inhibitors also contains other interesting chemical elements:

Zinc

(Zn)

3 atoms

The binding sites of Magnesium atom in the PDE2 Catalytic Domain Complexed with Inhibitors (pdb code 5u7d). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the PDE2 Catalytic Domain Complexed with Inhibitors, PDB code: 5u7d:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the PDE2 Catalytic Domain Complexed with Inhibitors


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of PDE2 Catalytic Domain Complexed with Inhibitors within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg1003 b:19.3 occ:1.00 OD1 A:ASP697 2.0 16.3 1.0 O A:HOH1102 2.1 19.8 1.0 O A:HOH1222 2.1 17.3 1.0 O A:HOH1105 2.2 15.7 1.0 O A:HOH1318 2.2 15.3 1.0 O A:HOH1136 2.2 18.6 1.0 CG A:ASP697 3.0 16.4 1.0 OD2 A:ASP697 3.4 15.6 1.0 ZN A:ZN1002 3.8 21.8 1.0 NE2 A:HIS730 4.1 18.1 1.0 O A:HOH1206 4.1 36.5 1.0 O A:HOH1159 4.1 19.9 1.0 OG1 A:THR768 4.2 18.2 1.0 OE2 A:GLU727 4.2 22.8 1.0 CD2 A:HIS696 4.2 17.1 1.0 CD2 A:HIS730 4.3 18.4 1.0 O A:HIS696 4.3 17.2 1.0 O A:HOH1313 4.3 21.8 1.0 CB A:ASP697 4.4 16.0 1.0 O A:HOH1221 4.5 54.5 1.0 OD2 A:ASP808 4.5 25.1 1.0 NE2 A:HIS656 4.5 19.9 1.0 CB A:THR768 4.5 20.4 1.0 CD2 A:HIS700 4.5 21.2 1.0 NE2 A:HIS696 4.6 16.0 1.0 O A:HOH1179 4.7 35.3 1.0 CD2 A:HIS656 4.7 19.9 1.0 CA A:ASP697 4.8 15.2 1.0 O A:THR768 4.8 21.4 1.0 NE2 A:HIS700 4.9 21.1 1.0 CG A:GLU727 5.0 19.3 1.0

Magnesium binding site 2 out of 3 in the PDE2 Catalytic Domain Complexed with Inhibitors


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of PDE2 Catalytic Domain Complexed with Inhibitors within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg1003 b:21.2 occ:1.00 O B:HOH1226 2.0 22.3 1.0 OD1 B:ASP697 2.0 21.2 1.0 O B:HOH1138 2.1 19.4 1.0 O B:HOH1101 2.1 21.6 1.0 O B:HOH1155 2.1 24.1 1.0 O B:HOH1300 2.2 23.0 1.0 CG B:ASP697 3.0 23.3 1.0 OD2 B:ASP697 3.4 20.1 1.0 ZN B:ZN1002 3.9 24.4 1.0 NE2 B:HIS730 4.0 24.0 1.0 O B:HOH1276 4.0 37.7 1.0 OE2 B:GLU727 4.1 26.9 1.0 O B:HOH1228 4.2 20.3 1.0 CD2 B:HIS730 4.2 23.4 1.0 OG1 B:THR768 4.2 19.2 1.0 O B:HIS696 4.2 18.8 1.0 CD2 B:HIS696 4.2 18.3 1.0 CB B:ASP697 4.4 19.0 1.0 O B:HOH1201 4.4 33.1 1.0 OD2 B:ASP808 4.5 26.5 1.0 CB B:THR768 4.6 20.6 1.0 CD2 B:HIS700 4.6 25.2 1.0 O B:HOH1318 4.6 53.5 1.0 NE2 B:HIS696 4.7 17.9 1.0 NE2 B:HIS656 4.7 22.8 1.0 CA B:ASP697 4.7 17.9 1.0 CD2 B:HIS656 4.9 23.2 1.0 O B:THR768 4.9 24.8 1.0 NE2 B:HIS700 5.0 24.6 1.0 CG B:GLU727 5.0 23.9 1.0 CD B:GLU727 5.0 34.0 1.0

Magnesium binding site 3 out of 3 in the PDE2 Catalytic Domain Complexed with Inhibitors


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of PDE2 Catalytic Domain Complexed with Inhibitors within 5.0Å range: probe atom residue distance (Å) B Occ C:Mg1003 b:18.6 occ:1.00 OD1 C:ASP697 2.0 16.9 1.0 O C:HOH1101 2.1 20.3 1.0 O C:HOH1112 2.1 16.8 1.0 O C:HOH1226 2.1 19.0 1.0 O C:HOH1308 2.2 17.4 1.0 O C:HOH1165 2.2 18.9 1.0 CG C:ASP697 3.0 19.6 1.0 OD2 C:ASP697 3.4 17.3 1.0 ZN C:ZN1002 3.8 22.8 1.0 NE2 C:HIS730 4.1 16.7 1.0 OE2 C:GLU727 4.1 21.5 1.0 O C:HOH1251 4.1 36.1 1.0 OG1 C:THR768 4.1 20.0 1.0 O C:HOH1207 4.2 21.4 1.0 CD2 C:HIS696 4.2 17.0 1.0 O C:HIS696 4.3 16.7 1.0 CD2 C:HIS730 4.3 17.5 1.0 O C:HOH1274 4.4 22.6 1.0 CB C:ASP697 4.4 15.3 1.0 OD2 C:ASP808 4.5 24.0 1.0 CB C:THR768 4.5 22.0 1.0 CD2 C:HIS700 4.5 21.0 1.0 NE2 C:HIS656 4.6 20.8 1.0 NE2 C:HIS696 4.6 16.3 1.0 O C:THR768 4.7 19.4 1.0 CA C:ASP697 4.7 13.7 1.0 CD2 C:HIS656 4.8 21.6 1.0 O C:HOH1132 4.8 45.7 1.0 NE2 C:HIS700 4.8 20.6 1.0 CD C:GLU727 5.0 23.0 1.0 CG C:GLU727 5.0 18.3 1.0

C.J.Helal, E.P.Arnold, T.L.Boyden, C.Chang, T.A.Chappie, K.F.Fennell, M.D.Forman, M.Hajos, J.F.Harms, W.E.Hoffman, J.M.Humphrey, Z.Kang, R.J.Kleiman, B.L.Kormos, C.W.Lee, J.Lu, N.Maklad, L.Mcdowell, S.Mente, R.E.O'connor, J.Pandit, M.Piotrowski, A.W.Schmidt, C.J.Schmidt, H.Ueno, P.R.Verhoest, E.X.Yang. Application of Structure-Based Design and Parallel Chemistry to Identify A Potent, Selective, and Brain Penetrant Phosphodiesterase 2A Inhibitor. J. Med. Chem. V. 60 5673 2017.
ISSN: ISSN 1520-4804
PubMed: 28574706
DOI: 10.1021/ACS.JMEDCHEM.7B00397