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Licensing and Subscriptions

Potential new BioCyc website customers should fill out this form.

For other sales-related questions please contact

For licensing of the locally installable Pathway Tools software and BioCyc data files:

By academic and government users: click here.

By commercial users: click here

User Support

For problems accessing the BioCyc site, see our troubleshooting guide.

To report problems with this website or to request assistance, send email to

To report problems in a particular data page on this site, click the button "Report Errors or Provide Feedback" at the bottom of the page. The resulting error report will tell us on exactly what page you encountered an error.

Please also contacat for these topics:

General feedback
Requests for a new feature in the website
Requests for assistance in performing some task
Reporting omissions, redundancies, ambiguities, or errors in a database
Reporting errors in software, documentation, or the website

To report problems with a locally installed copy of the Pathway Tools software, send email to .

Specify List of Organism Databases

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Organism Filter:

Find in tree:

Find organism databases according to:

Organism characteristics, e.g. pathogenicity = human
Collection metadata, e.g. human microbiome body site = blood
Database properties, e.g. # (number) of Genes < 500

Database lists include both predefined lists and lists that are saved as SmartTables that you can edit from your My SmartTables page. To add all organisms from a saved list, check the box next to the list name and then click the "Add" button.

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Tier 1 and Tier 2 databases are displayed with orange and blue backgrounds, respectively.

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Remember Selection as SmartTable:

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Note: if you create a user account and log in, you can save your database lists for next time.

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Licensing and Subscriptions

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Current Selection