Table 2. Natural-antisense transcript summary.

	Cis-NAT	Trans-NAT	Unclassified
Pairs	1423	2198	812
Portion of total transcripts (%)	4.4	1.5	0.35
Overlap length (nt) a	367	124	116
One-to-one (%)	90.7	41.6	68.3
One-to-many (%)	5.2	13.7	2.7
Many-to-many (%)	4.1	44.7	29
Density b in overlap/transcripts	6.7/23.7	299,700/1,172	305,300/1,600
Overlap enrichment (p-value)	No (<2.2×10−16)	Yes (<2.2×10−16)	Yes (<2.2×10−16)
>2-fold stand bias (%)	75.5	42.7	47.1

^aValues indicate the median.

^bReads/kb.