ISDA

Entry Detail

PDB ID:

2O8H

Keywords:

HYDROLASE

Title:

Crystal structure of the catalytic domain of rat phosphodiesterase 10A

Biological Source:

Source Organism:

Rattus norvegicus

Host Organism:

Spodoptera frugiperda

PDB Version:

Deposition Date:

2006-12-12

Release Date:

2007-01-09

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.80 Å

R-Value Free:

0.27

R-Value Work:

0.22

R-Value Observed:

0.22

Space Group:

H 3

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Description:Phosphodiesterase-10A
Chain IDs:A
Chain Length:362
Number of Molecules:1
Biological Source:Rattus norvegicus

UniProt ID:Q9QYJ6 Pfam ID:PF00233

Ligand Molecules

227

Primary Citation

Discovery of a series of 6,7-dimethoxy-4-pyrrolidylquinazoline PDE10A inhibitors

Chappie, T.A, Humphrey, J.M, Allen, M.P, Estep, K.G, Fox, C.B, Lebel, L.A, Liras, S, Marr, E.S, Menniti, F.S, Pandit, J, Schmidt, C.J, Tu, M, Williams, R.D, Yang, F.V.Show

J.Med.Chem. 50 182 185 (2007)

PMID: 17228859 DOI: 10.1021/jm060653b

Abstact

A papaverine based pharmacophore model for PDE10A inhibition was generated via SBDD and used to design a library of 4-amino-6,7-dimethoxyquinazolines. From this library emerged an aryl ether pyrrolidyl 6,7-dimethoxyquinazoline series that became the focal point for additional modeling, X-ray, and synthetic efforts toward increasing PDE10A inhibitory potency and selectivity versus PDE3A/B. These efforts culminated in the discovery of 29, a potent and selective brain penetrable inhibitor of PDE10A.

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