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ChemOffice.Com - CambridgeSoft

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Chapter 13: SAR Descriptors<br />

SAR Descriptor<br />

Overview<br />

Chem3D provides a set of physical and chemical<br />

property predictors. These predictors, which help<br />

predict the structure-activity relationship (SAR) of<br />

molecules, are referred to as SAR descriptors in this<br />

user’s guide. These descriptors are also available in<br />

ChemSAR/Excel.<br />

Chem3D Property<br />

Broker<br />

The Chem3D Property Broker provides an<br />

interface in Chem3D and ChemSAR/Excel that<br />

allows you to calculate properties using many<br />

calculation methods provided by various Property<br />

Server components.<br />

The components of the Property Broker-Server<br />

architecture are illustrated below:<br />

Chem3D<br />

Property Broker Interface<br />

Property<br />

Servers<br />

ChemSAR/Excel<br />

ChemProp Std<br />

ChemProp Pro<br />

MM2<br />

MOPAC<br />

GAMESS<br />

ChemProp Std Server<br />

The ChemProp Std Server enables you to calculate<br />

the following structural properties:<br />

Property<br />

Connolly Solvent<br />

Accessible Surface<br />

Area (Angstroms 2 )<br />

Description<br />

The locus of the center<br />

of a spherical probe<br />

(representing the<br />

solvent) as it is rolled<br />

over the molecular<br />

model.<br />

<strong>ChemOffice</strong> 2005/Chem3D SAR Descriptors • 205<br />

Chem3D Property Broker

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