Table 2 Direct flanking repeats in six type II RM systems from H. pylori.

From: Methylome evolution suggests lineage-dependent selection in the gastric pathogen Helicobacter pylori

MTase

Repeat length (bp)

Inter-strain identity (%)

Intra-strain identity (%)

Prevalence in MTases (%)

M.Hpy99XI

95

86.1

86.2

67.0

M.Hpy66II

115

97.1

98.4

2.5

M.Hpy99IV

395

94.5

97.9

41.7

M.Hpy66I

376

93.1

97.8

21.2

M1.HpyAII/M2.HpyAII

65

92.9

90.9

59.6

M.HpyAIV

118

95.5

93.3

65.8