Welcome to the MaxExpect Web Server

The MaxExpect server generates a very specified group of structures from a sequence, either RNA or DNA. Each structure in the group contains pairs which have a highest possible chance of being accurate.

If you plan to leave this page while waiting for calculations to complete, please make sure you have entered a valid email address below. Leaving this page without entering a valid email address will render results inaccessible.

If you need specific help using the MaxExpect server, please click here.

Note: The maximum sequence length has been increased for several tools. Please see Sequence Limits for details.

Select Sequence Input:

- OR -
Enter your sequence title and content below (replaces upload if present).
Please enter nucleotides only, no headers or comments in content.
Valid nucleotides are A, C, G, T, U, and X (unknown nucleotide). Lower case nucleotides are forced single stranded in calculation.




Select Nucleic Acid Type:




Select MaxExpect Options:

If a default value is left blank, the value is treated as if it was not changed at all.



Designate Address to Email Results: