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Table 3 Other taxonomic markers

From: Classification and characterization of human endogenous retroviruses; mosaic forms are common

HERV Class, and representative groups

Nr

dUTPase in Pro

dUTPase in Pol

GPatch in Pro

Chromodomain and/or GPY/F in C terminus of Pol

Nucleotide biases

A > 31 %

G < 19 %

T > 31 %

I (gamma- and epsilon-like, canonical and noncanonical)

2341

1

1

2

522

290

26

56

Canonical HERVE

41

0

0

0

21

1

0

0

Canonical HERVF(A-C)

18

0

0

0

5

0

0

0

II (beta-like, canonical and noncanonical)

598

395

0

110

16 (14 HML6)

179

11

25

Canonical HML2

19

14

0

11

0

15

0

0

III (spuma-like, canonical and noncanonical)

216

0

18

2

39

11

6

7

Canonical HERVL

86

10

1

1

23

0

0

0

Unc_Erranti-like, noncanonical

2

0

0

2

0

1

1

1