Final beta of Proteax 3.0 for Spreadsheets and Proteax Core is now available for download.


Beta 2 of Proteax 3.0 is now available for download. Proteax Core 3.0 is also available now (stand-alone version of Proteax for command-line usage and custom applications).


Beta 1 of Proteax 3.0 is now available for download.


An early preview of Proteax 3.0 is now available for download. Supports arbitrarily crosslinked peptides.


Proteax Desktop release 2.4 is out, with full isotope support and more.


Proteax for Spreadsheets service release 2.4 2016-12-12 is out, fixing an urgent issue when printing large sheets.


Proteax for Spreadsheets 2.4 is out, supporting PEGylated compounds, isotopes, and Live Cell Graphics in all new Excel versions.


Proteax for Spreadsheets 2.3 is now released, with support for thioether bridges.


PLN 1.4 specification released, supporting thioether bridges.


PYPL Python cartridge update - now with Windows support.


Proteax Desktop 2.2 is now released.


Proteax for Spreadsheets for OpenOffice/LibreOffice is now available for download again.


Proteax for Spreadsheets 2.2 is now released, supporting Office 2013.


The Proteax Cartridge for Oracle now runs on Solaris SPARC.


Poster on structure keys for very large molecules presented at ICCS 2014 is now online.


Oracle -> Python cartridge updated. Fixes an issue with using modules and nested functions.


Oracle -> Python cartridge released. Call Python scripts from Oracle, e.g. calculate RDKit molecular descriptors.


Proteax for Spreadsheets 2.1 is now released.


DerNot 1.1 specification released.


KNIME node examples have been added.

Proteax® - protein analogs made easy

Biochemfusion's Proteax software suite makes it easy to handle modified proteins and protein derivatives. Use Proteax with Microsoft® Excel® or Oracle® databases to register and analyse your protein structures.

The chemically-aware Proteax engine enables you to work with post-translationally and chemically modified protein sequences. Protein data can therefore be transferred directly to bioinformatics tools, chemistry tools and to and from mass spectrometry instruments.

On the web

Try a fully interactive browser-based protein editor at the Proteax demo site.

Peptides and proteins can be visualized with Biochemfusion rendering components that are available over the full range of current web technologies: HTML5 + JavaScript, .NET, Java applets, and Flash.

[Image: Proteax - easily integrated on web pages.]

[Image: Proteax for Spreadsheets - protein chemistry in MS Excel or Calc.]

In the office

The Proteax for Spreadsheets add-ins work in both Microsoft Excel and® Calc so you can process offline and local data within a familiar spreadsheet environment.

In the corporate database

Proteax Cartridge integrates directly into your Oracle or PostgreSQL® database. It does so without imposing restrictions on how you model your data.

Proteax uses native database engine functional indexing to ensure an optimal and smooth integration.

[Image: Proteax Cartridge - protein chemistry for databases.]

[Image: Proteax for KNIME.]

For productive automation

With the Proteax KNIME™ nodes end users are able to graphically setup and automate workflows related to the registration and analysis of biopharmaceuticals.

For power users and developers

Proteax Desktop is the raw Proteax toolkit with language bindings to .NET, Python, Pascal, Java, and C/C++.

Well-suited for developers and power users used to scripting. Maximum performance and flexibility.

[Image: Proteax Desktop can be used from a large range of programming languages.]

Proteax key features

  • Add post-translational modifications and chemical features to your protein sequences.
  • Convert chemical structures into protein sequences for easy comparison and better visualization.
  • Generate trivial derivative names or generate derivatives from names through DerNot expressions.
  • Export and import proteins in GPMAW (a product of Lighthouse Data) format for mass spectrometry analysis.
  • Enforce sequence and structural identity checks on protein registrations.
  • View protein sequences as chemical entities and register them in chemistry databases.

Industry standard formats

Proteax supports industry standard protein and chemistry formats. Proteins can be processed in

Chemical structures are generated in MDL molfile format so you can easily interface to standard chemistry tools.

Learn more

Try the fully functional trial version of Proteax for Spreadsheets. For more product details on both Proteax for Spreadsheets and Proteax Cartridge you can download the product flyers. You are also very welcome to contact .

Proteax Live

[Image: Biochemfusion demo client screenshot.]
Take a tour at the demo site to see Proteax in action.

Proteax for Spreadsheets

[Image: Proteax for Spreadsheets screenshot.]
Learn more about Proteax for Spreadsheets - protein chemistry for Microsoft Excel and Calc.

Download a fully functional trial version of Proteax for Spreadsheets today.