efn server : 1996-2023 , Michael Zuker, Rensselaer Polytechnic Institute

Enter a name for your structure:  

Ct file to upload:  

Vienna format file to upload:  

Is the sequence linear or circular?  

Temperature (between 0° and 100° C)  

What style of energies should be used?  
(Use UNAFold for structures predicted using UNAFold software.)

RNA free energy parameters:   3     2.3   Version 3 parameters are for 37 deg only.

Select nucleic acid type:  

Ionic conditions:   [Na+]     [Mg++]       Units: M     mM