Table 1.

Statistics of sRNAs

Category	Reads	Percent (%)*
Total raw reads	15,702,980
High-quality reads	14,682,846	93.5
3' adaptor null reads	4357	0.00003
Insert null reads	22,358	0.14
5' adaptor contaminant reads	115,878	0.74
Small insert reads (<18 nt)	1,290,435	8.22
Poly(A) sequence reads	2914	0.00002
Total clean sRNA reads	13,246,904	84.36
Unique sequence reads (18–30 nt)	2,815,874	17.93
Singleton sequence reads	2,075,775	13.22
Unique sequence reads (>2 reads)	740,099	4.71

^* The ratio is equal to the separate reads divided by the total raw reads.