	Number of elements in each class
Structures^a	Families	I	II	III	IV	V	VI	VII	VIII	IX	X	XI	No.	Percentage (%)^b
Intact elements		34	4	9	1	2	1	17	1	14	82	73	238	23.8
Intact elements without TSDs		1	0	2	0	1	0	2	0	0	5	3	14	1.4
Solo LTRs		7	0	42	0	0	7	46	5	103	80	58	348	34.8
Solo LTRs without TSDs		1	0	7	0	0	0	7	1	9	12	5	42	4.2
One LTR partially deleted		4	1	5	0	0	0	3	0	14	21	5	53	5.3
One LTR completely deleted		4	0	13	0	1	0	18	1	8	16	46	107	10.7
Both LTRs partially deleted		1	0	0	0	0	0	1	0	0	1	0	3	0.3
One LTR deleted, another partially deleted		1	1	4	0	0	1	0	1	1	7	6	22	2.2
LTR remnants		4	0	27	0	0	4	13	3	35	54	33	173	17.3
Total		57	6	109	1	4	13	107	12	184	278	229	1000	100.0

↵a Does not include a small number of difficult-to-identify internal remnants or incompletely sequenced elements
↵b Percentage of total elements in these families

Analyses of LTR-Retrotransposon Structures Reveal Recent and Rapid Genomic DNA Loss in Rice