Attention:

We will be conducting system maintenance starting on Friday, December 13th, at 6:00 p.m. (ET) through Sunday, December 15th. During this time, many normal functions normally performed on our website, such as placing an order or paying an invoice, will not be available. We apologize for the inconvenience but will have complete return of services on Monday, December 16th.
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Research Use

The ATCC Material Transfer Agreement (MTA) explains the rights and responsibilities of end users' use of ATCC materials. For your convenience, we have provided answers to FAQs in our database and these can also be found through the general site search.

If you find that your question regarding the MTA is not answered, please contact us at contracts@atcc.org with your specific inquiry.