. 2009 Mar 20;37(9):3083–3093. doi: 10.1093/nar/gkp189

Table 2.

The length and structure of 20 characterized A. thaliana MIRNA genes

No.	A. thaliana MIRNA gene	Chr.	Position (strand)		Length(bp)	Number of introns(length)	Mature miRNA and miRNA* within the gene (exon number)
1	156a	II	10684143 – 10681036 ^a	(–)	3108	3 (341, 1985, 92)	II
2	156c	IV	15415879 – 15413300^b	(–)	2580	3 (980, 490, 164)	I
3	157c	III	6244832 – 6243836^a	(–)	997	1 (231)	I
4	158a	III	3366558 – 3366024	(–)	535	1 (117)	I
5	159a	I	27717361 – 27716554^a	(–)	808	0	I
6	160a	II	16346931 – 16348964^a	(+)	2034	1 (1151)	I
7	160b	IV	9888812 – 9889189^a	(+)	378	0	I
8	161	I	17829287 – 17829985^a	(+)	699	1 (128)	I
9	164c	V	9852487 – 9853318^c,d	(+)	832	0	I
10	166a	II	19183029 – 19184141^a	(+)	1113	1 (473)	I
11	166b	III	22932977 – 22934097 ^a	(+)	1121	2 (95, 86)	I
12	167a	III	8108028 – 8108629^b,e	(+)	602	0	I
13	169f	III	4805955 – 4805221	(–)	735	0	I
14	171b	I	3961705 – 3960931^a	(–)	775	1 (86)	I
15	171c	I	22934092 – 22933232^a	(–)	861	1 (207)	I
16	172a	II	11950688 – 11948592^a	(–)	2097	2 (148, 694)	I
17	172b	V	1188917 – 1187501^a,f	(–)	1417	3 (117, 199, 280)	III
18	172e	V	24005296 – 24006112^a	(+)	817	0	I
19	319b	V	16678195 – 16677323^a	(–)	873	0	I
20	393a	II	16659105 – 16659650	(+)	546	0	I

All introns are of U2-type. Source of the 5′ end sequence: a, Xie et al. (4); b, TAIR; c, 5′ end of the miRNA precursor sequence established by us is the same as described by Nicovics et al. (23). Source of the longest 3′ end sequence: d, Nicovics et al. (23); e, TAIR; f, Aukerman and Sakai (20).