Table 3.

Features used for the Random forest prediction models

Feature	Used for kingdom
Number of bindings in read cluster sequence	Animal
Normalized mean free energy of precursor sequence	Plant and Animal
Number of bindings in precursor	Animal
Length of read cluster	Plant and Animal
The corresponding putative maturestar sequence is also present (binary value 0, 1)	Plant and Animal
Number of bindings in read cluster divided by the read cluster length	Plant
Number of reads in read cluster	Plant and Animal
Mean free energy of precursor sequence	Plant and Animal
Degree of bulb asymmetry in precursor	Animal
The number of bulbs in precursor secondary structure	Plant