| Flag [input] | Description |
| –help | Displays available flags with descriptions. |
| –ssRegion [.txt file] | Forces nucleotides in the user-supplied file SSREGION to be single stranded. See SuperFold readme for file format description. |
| –pkRegion [.txt file] | Models structure around pseudoknotted base pairs in the supplied PKREGION file. See SuperFold readme for file format description. |
| –np [int] | Sets the number of processors (NP) available to SuperFold. Default: 2. |
| –SHAPEslope [float] | SHAPE pseudo-free energy slope used for structure modeling. Value optimized in previous work19,20. Default: 1.8 kcal/mol. |
| –SHAPEintercept [float] | SHAPE pseudo-free energy slope used for structure modeling. Value optimized in previous work20. Default: – 0.6 kcal/mol. |
| –differentialFile [.txt file] | User-supplied differential SHAPE file calculated from NMIA-1M6. Refines ΔGSHAPE energy function21. |
| –differentialSlope [float] | Sets the pseudo free-energy slope for the differential SHAPE reactivity values. Default: 2.1 kcal/mol. |
| –trimInterior [int] | Number of nucleotides to trim from interior partition function and fold calculations. Default: 300. |
| –partitionWindowSize [int] | Length of the partition function window size. Default: 1200 nucleotides. |
| –partitionStepSize [int] | Spacing between partition function windows. Default: 100 nucleotides. |
| –foldWindowSize [int] | Length of the Fold window size. Default: 3000 nucleotides. |
| –foldStepSize [int] | Spacing between Fold windows. Default: 300 nucleotides. |
| –drawSS | Include secondary structure diagrams for expanded regions of low SHAPE and Shannon entropy using the Pseudoviewer58 web service. |