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  SEURAT – Preclinical Development

SEURAT – Preclinical Development

The PK, Toxicology and Pharmacology groups in your drug discovery and development efforts can also benefit from the use of SEURAT.

 

The ability to perform pKa predictions, simply search for all PK results for a set of compounds and link out to the full PK report where available provide your preclinical stuaff with a place to both collaborate and to publish their results to the wider project audience.

 

1.1       pKa property calculation. 1

1.2       Linking to PK reports. 1

1.3       Searching the RTECS database. 2

 

1.1      pKa property calculation

SEURAT supports a wide array of property calculations some of which rely on 3rd party property calculators (pKa is calculated by the protonation property calculators from ChemAxon www.chemaxon.com).

 

The list below shows all the properties that SEURAT comes preconfigured to produce for a set of compounds in the Assay Display and whether that property depends on licenses from third parties or is calculated natively by SEURAT.

 

The following properties are computed natively in SEURAT

Parent Exact Mass

Molecular Weight

Ertl PSA

SEURAT ClogP

SMPC ClogP

H-Bond Acceptors

H-Bond Donors

Rotatable Bonds

 

 

The table below tries to capture the required combination of software package and platform for those properties that are not computed natively in SEURAT:

Property

Supported OS

Required Software Package

pKa

Unix (tested on Linux and Aix) and windows

www.chemaxon.com

CLogP

Unix (tested on Linux and Aix) and windows

www.chemaxon.com

CLogD

Unix (tested on Linux and Aix) and windows

www.chemaxon.com

hERG Binder

Unix (tested on Linux and Aix)

Admetis Strand Life Sciences www.strandgenomics.com and www.admetis.com

ACDLabs logS (mol/l)

Unix, Windows

www.acdlabs.com

ACDLabs logS (uM)

Unix, Windows

www.acdlabs.com

Lipinski Filter

Unix

MOE www.chemcomp.com

Lipinski Score

Unix

MOE www.chemcomp.com

Veber Filter

Unix

MOE www.chemcomp.com

QSAR- CaCo-2 Cell Permeability

Unix

MOE www.chemcomp.com

QSAR- Human effective permeability

Unix

MOE www.chemcomp.com

Aromatic Atoms

Unix

MOE www.chemcomp.com

Aromatic Bonds

Unix

MOE www.chemcomp.com

VDW Volume

Unix

MOE www.chemcomp.com

 

 

1.2      Linking to PK reports

 

Example of a PK report that SEURAT can easily link out to from, for example, the  PK Protocol identifier column within the Assay Display for a given PK “assay”

 

SEURAT can link specifically to PK reports based on the presence of certain assay types of the PK “assays”. In general SEURAT can link to any valid URL as loaded into the database or entered manually using user defined columns.

 

1.3      Searching the RTECS database

Toxicologist can also use the Registry of Toxic Effects of Chemical Substances Tool (RTECS) to structure search (sub structure, similarity and exact) a database of compounds in order to look for, learn from and avoid compounds that are likely to exhibit similar toxicity problems.





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