Right now, for security reasons, we have had to disable the license server. Please email roland.dunbrack at fccc.edu with the information in the form below and we will send you a link to the software


The license for the 2010 backbone-dependent rotamer library have become less restrictive as of July 25, 2019. Now it is same for both academia and industry. The library is free, redistributable, and modifiable as long as you acknowledge the source. See details below.

For any questions, please contact Dr. Roland Dunbrack.


The 2010 Backbone-Dependent Rotamer Library (hereafter referred to as BBDEP2010 or the Database) is distributed under a Creative Commons CC BY 4.0 license. The full license text for the BBDEP2010 license is located here. See the disclaimer below.

You are free:

To Share: To copy, distribute, and use the Database.
To Create: To produce works from the Database.
To Adapt: To modify, transform, and build upon the Database.

As long as you:

Attribute: You must attribute any public use of the Database, or works produced from the Database. That is, in software or in papers, you must acknowledge the source of BBDEP2010 either by a link to the webpage (http://dunbrack.fccc.edu/bbdep2010) or by citation of the paper. For any use or redistribution of the Database, or works produced from it, you must make clear to others the license of the Database and keep intact any notices on the original Database.

Disclaimer: This is not a license. It is simply a handy reference for understanding the CC BY 4.0 - it is a human-readable expression of some of its key terms. Read the full BBDEP2010 license for the exact terms that apply. If you wish to license BBDEP2010 under the license, please fill in the following form. Do not use accented letters. Then indicate your acceptance of said conditions by clicking on "I Agree".

You will be sent in e-mail a download link, only after your license application is reviewed by us. Leaving blank fields or filling in fake data will not result in a download link. You will be sent by email a download link, only after your license application is reviewed and approved by us. If you have any questions or concerns, please feel free to contact Dr. Roland Dunbrack, at roland.dunbrack@fccc.edu.

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By clicking the "I agree" button you agree to comply with all the terms and regulations described in this ACADEMIC LICENSE AGREEMENT on this page.