Table 1.

List of 125 features used in this work

Feature groups	No. of features	Feature symbol
Sequence-based features	19	Len, %G+C,% A+U, %AA, %AC, %AG, %AU, %CA, %CC, %CG, %CU, %GA, %GC, %GG, %GU, %UA, %UC, %UG, %UU
Secondary structure features	30	MFE, efe, MFEI1, MFEI2, MFEI3, MFEI4, dG, dQ, dD, dF, Prob, zG, zQ, zD, zF, nefe, Freq, diff, dH, dH/L, dS, dS/L, Tm, Tm/L, MFEI5, MFE/Mean_dG, dH/loop, dS/loop, Tm/Loop, dQ/Loop
Base pair features	32	dP, zP, div, tot_bp, stem, loop, A-U/L, G-U/L, G-C/L, %A–U/Stem, %G–C/Stem, %G–U/Stem, Probpair1–10, Avg_BP_stem, NonBP_A, NonBP_C, NonBP_G, NonBP_U, Non_BPP, %A–U/BP, %C–G/BP, %G–U/BP, Avg_BP_Loop
Triplet sequence structure	32	A(((, A((., A(.., A(.(,A.((,A.(.,A..(, A …, C(((, C((., C(.., C(.(, C.((, C.(., C..(, C…, G(((, G((., G(.., G(.(, G.((, G.(., G..(, U…, U(((, U((., U(.., U(.(, U.((, U.(., U..(, U…,
Structural robustness features (SC-derived features)	12	SC, SC/tot_bp, SC/Len, SC × MFE/Mean_dG, SC × dP, SC × zG, SC/(1 − dP), SC×dP/(1 − dP), SC/NonBP_A, SC/NonBP_C, SC/NonBP_G , SC/NonBP_U
Total	125

Our additional features are shown in bold.