ISDA

Deposition Date 2009-05-05

Release Date 2009-07-07

Last Version Date 2024-05-22

Entry Detail

PDB ID:

3HC8

Keywords:

HYDROLASE

Title:

Investigation of Aminopyridiopyrazinones as PDE5 Inhibitors: Evaluation of Modifications to the Central Ring System.

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Spodoptera frugiperda

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.79 Å

R-Value Free:

0.23

R-Value Work:

0.19

R-Value Observed:

0.19

Space Group:

C 1 2 1

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:cGMP-specific 3',5'-cyclic phosphodiesterase,cAMP-specific 3',5'-cyclic phosphodiesterase 4A
Gene (Uniprot):PDE5A, PDE4A
Chain IDs:A
Chain Length:324
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:O76074,P27815 Pfam ID:PF00233 EC:3.1.4.35

Ligand Molecules

PD4

Primary Citation

Investigation of aminopyridiopyrazinones as PDE5 inhibitors: Evaluation of modifications to the central ring system.

Hughes, R.O, Walker, J.K, Cubbage, J.W, Fobian, Y.M, Rogier, D.J, Heasley, S.E, Blevis-Bal, R.M, Benson, A.G, Owen, D.R, Jacobsen, E.J, Freskos, J.N, Molyneaux, J.M, Brown, D.L, Stallings, W.C, Acker, B.A, Maddux, T.M, Tollefson, M.B, Williams, J.M, Moon, J.B, Mischke, B.V, Rumsey, J.M, Zheng, Y, Macinnes, A, Bond, B.R, Yu, Y.Show

Bioorg.Med.Chem.Lett. 19 4092 4096 (2009)

PMID: 19539468 DOI: 10.1016/j.bmcl.2009.06.004

Abstact

Efforts to improve the potency and physical properties of the aminopyridiopyrazinone class of PDE5 inhibitors through modification of the core ring system are described. Five new ring systems are evaluated and features that impart improved potency and improved solubility are delineated.

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Protein

Chemical

Disease

Primary Citation of related structures