High Levels of Sequence Diversity in the 5′ UTRs of Human-Specific L1 Elements : Table 2

Table 2: Age estimation of human-specific L1 elements based on each L1 component.


Subfamily^a	Subfamily^b	No. of full-length L1 elements	5′ UTR Age ± SD (myrs)	ORF1 Age ± SD (myrs)	ORF2 Age ± SD (myrs)	3′ UTR only Age ± SD (mys)	pORF2 and 3′ UTR Age ± SD (myrs)^b

L1PA3	L1PA3-1A L1PA3-1Aa L1PA3-1B L1PA3-1Ba L1PA3-1Bb L1PA2-1A	106

L1PA2	L1PA2-1B L1PA2-1C L1PA2-1D L1PA2-1Da L1PA2-1Db L1PA2-1E	147

L1HS-1AB	L1HS-1A L1HS-1B	32

L1HS-preTa	L1HS-preTa	62

L1HS-Ta0	L1HS-Ta0	38

L1HS-Ta1	L1HS-Ta1	58

Average		443^c

^aIn this study.
^bSource Lee et al. [23].
^cTotal number of L1 elements.