. 2010 Jun 28;38(16):e161. doi: 10.1093/nar/gkq572

Table 2.

PEP results on modern, UV-irradiated and ancient DNA

Sample^a	Sequence identity	Average fragment size (bp)^b	Extension products sequenced			Proportion of molecules with blocking lesions (%) / per-base frequency of blocking lesions (%)
Sample^a	Sequence identity	Average fragment size (bp)^b	All	Terminated	Term (%)
Modern horse, fraction 1	All sequences	91.6	6419	1028	16.0
Modern horse, fraction 1	Horse (87.9%)	91.5	5643	627	11.1	0/0
Modern horse, fraction 2	All sequences	124.6	8885	1228	13.8
Modern horse, fraction 2	Horse (94.1%)	124.4	8360	980	11.7	0/0
Modern horse, fraction 1, UV	All sequences	87.6	4526	1927	42.6
Modern horse, fraction 1, UV	Horse (94.1%)	88.9	3440	1091	31.7	26/0.3
Ancient horse 1 >47k YBP	All sequences	154.9	2023	1151	56.9
Ancient horse 1 >47k YBP	Horse (3.8%)	153.8	77	32	41.6	39/0.3
Ancient horse 2 27k YBP	All sequences	120.7	9030	1982	21.9
Ancient horse 2 27k YBP	Horse (91.6%)	120.8	8314	1608	19.3	10/0.1
Mammoth 43k YBP	All sequences	154.6	8458	2762	32.7
Mammoth 43k YBP	Elephant (2.1%)	115.4	174	22	12.6	2/∼0.0
Cave bear 42k YBP	All sequences	113.3	1542	822	53.3
Cave bear 42k YBP	Dog (1.2%)	125.0	18	7	38.9	36/0.4

^aAge of ancient samples is denoted in ‘years before present’ (YBP) as determined by C14 dating.

^bThe average fragment size was inferred from complete extension products only.