Bioinformatics Study of Structural Patterns in Plant MicroRNA Precursors

Table 3

Number of relevant secondary structure motifs found in miRNA vicinity.

	Secondary structure motif
	1-1	2-2	3-3	1-2	1-3	2-3	0-1	0-2	0-3
Base-to-loop
Lower stem	42	12	8	13	3	8	16	6	3
Upper stem	26	9	5	7	10	2	9	4	7
Loop-to-base
Lower stem	10	1	1	5	2	4	3	0	0
Upper stem	14	3	2	2	1	1	2	1	4