Table 2.
Properties of the repeat clusters. Organisms are arranged in the same order as in Table 1. Symbols: * = cluster containing an inserted transposable element; † = cluster located on a plasmid; and # = single repeats that lack a flanking sequence.
| Organism/plasmid (conserved bp) | Repeat sequence | Repeats per cluster (altered in sequence) | Flanking sequence |
| H. butylicus | CTTGCAATTCTCTTTTGAGTTGTTC | 47(1), 46 | 2 (394) |
| P. aerophilum | GTTTCAACTATCTTTTGATTTCTGG | 15(2), 18, 14(2) | 3 (257) |
| CTTTCAATCCTCTTTTTGAGATTC | 81 | ||
| GTTTCAATTCTTTTGTAGATTCTTC | 8 | ||
| A. pernix | CTTGCAATTCTATCTCGAAGATTC | 1, 27(8), 19(2) | 3 (476) |
| CTTTCTATTCCCTTTAGGGATATGC | 42 | ||
| S. solfataricus | CTTTCAATTCCTTTTGGGATTAATC | 1, 103, 95(47) | 3 (502) |
| CTTTCAATTCTATAAGAGATTATC | 32, 96(1), | 2 (266) | |
| CTTTCAATTCTATAGTAGATTAGC | 7, 91(2) | ||
| S. tokodaii | CTTTCAATTCCTTTTGGGATTCATC | 74(2), 112(48) | 2 (482) |
| CTTTCAATTCCATTAAGGATTATC | 48(1), 104(1), 121(4) | 3 (269) | |
| CTTTATTCATAATGCTAATTCCGT | 3 | ||
| S. acidocaldarius | GTTTTAGTTTCTTGTCGTTATTAC | 133(1), 78(5) | 2 (239) |
| CTTTCAATCCCTTTTGGGATTCATC | 4(1), 11(1), 1 | 3 (506) | |
| pNOB8 | CTTTCAATTCTATAGTAGATTATC | 6† | |
| pKEF9 | GTTGCAATTCCCTAAATGTGCGGG | 6† | |
| N. equitans | CTTTCAATATTTCTAATATATTAGAAAC | 13, 29(1) | 2 (190) |
| P. abyssi | CTTTCAATTCTATTTTAGTCTTATTGGAAC | 23(3), 4(2), 27 | |
| CTTTCCACACTACTAAGTTCTACGGAAAC | 7(2), 1 | 2 (401) | |
| P. furiosus | CTTTCAATTCTATTTTAGTCTTATTGGAAC | 52(3), 21(1), 23(2), 31, 46(2), 1#, 22, 12(5) | 7 (524) |
| P. horikoshii | CTTTCCACACTATTTAGTTCTACGGAAAC | 18(1), 25(3), 66(14), 1# | 3 (526) |
| CTTTCAATTCTATTTTAGTCTTATTGGAAC | 18(1), 7(2), 18(1) | 2 (258) | |
| T. kodakaraensis | CTTTCAATTCTCTTAGAGTCTTATTGCAAC | 16(7), 24(5), 33(7) | 3 (437) |
| P. torridus | CTTCCATACTATCTAGTAATTCTTAAAC | 15(1), 17(1) | 2 (322) |
| CTTTCAATCCTATTTAGGTTATTATTTAAC | 88(2) | ||
| A. fulgidus | CTTTCAATCCCATTTTGGTCTGATTTCAAC | 60, 48(1) | 2 (347) |
| CTTTCAATCTCCATTTTCAGGAGCCTCCCTTTCTTAC | 44(4) | ||
| T. acidophilum | CTTTCAATCCTATTAAGGTTCTATTTTAC | 47(1), 1# | |
| T. volcanium | CTTCCATACTAACTAGTACATCTTAAAC | 19(1), 16(1), 1 | 3 (287) |
| M. kandleri | GTTTCATTACCCGTATTATTACGGGTTAATTGCGAG | 12(2), 5, 8(1), 4(2), 12(3) | 5 (564) |
| M. jannaschii | TTTCCATTCCGAAACGGTCTGATTTTAAT/ | 26(1), 3(1), 4(2), 1, 16(2), 24(4), | 19 (440) |
| TTTCCATCCTCCAAGAGGTCTGATTTTAAC | 12(2),15, 7(2), 13(2), 2, 3(1), 14(4), 14(7), 5(1), 10(1), 1, 9(2), 9(3), 12(1) | ||
| M. thermoautotrophicus | ATTTCAATCCCATTTTGGTCTGATTTTAAC | 124, 47 | 2 (460) |
| M. barkeri | GTTTCAATCCCTCTAAGGCCTGATTTTAAC | 51(2) | |
| GTTTCAATCCTTGTTTTAGTGGATCTTGCTCACGAAT | 1#, 4(2), 1#, 19(1) | 1 (171) | |
| GTTTCCATAACCGAAAGGTTGTGGCAGAATTGAAGC | 25(5) | ||
| M. acetivorans | GTTTCAATCCTTGTTTTAGTGGATCTTGCTCGCGAAT | 1#, 7, 33(2)*, 2, 1#, 1#, 2(1) | 2 (171) |
| GTTTCAATCCCTCTAAGGTCTGATTTTAAC | 31(1) | ||
| M. mazei | GTTTCAATCCTTGTTTTAGTGGATCTTGCTCACGAAT | 1#, 2(1), 2(1), 1#, 1#, 47(7), 1#, 81(8) | 2 (171) |
| Methanospirillum hungatei | GTTGCAAGTGACCCGAAAATAGAAGGGTATGGCAAC | 31, 8, 37(2) | 2 (210) |
| GTTTCAATCCCTATCGGGTTTTCTTTTCCATTGTGAC | 44(1), 66 | ||
| GGTTCATCCCCATACACACGGGGAACTC | 80 | ||
| Methanosphaera stadtmanae | GTTTAAAATAGACTTAATAGTATGAAAAC | 62(2) | |
| CTTTCAATTTCATTATGATCTTATTCTATT | 57 | ||
| Methanococcoides burtonii | GAGTTCCCCATGCATGTGGGGATAAACCG | 65 | |
| GTTTCAATCCCTCTAAGGTCTGATTTTAAC | 22(2) | ||
| H. marismortui | GCTTCAACCCCACAAGGGTCCGTCTGAAAC | 48(13)† | |
| GCTTCAACCCCACGAGGGTCCGTCTGTAAC | 24(1)†, 57(1) *† | 2 (132) | |
| H. volcanii | CTTCAATCCCACAAGGGTTCGTCTGAAAC | 25(1), 11(1), 40 | 2 (169) |
| N. pharaonis | GCTTCAACCCCACAAGGGTTCGTCTGAAAC | 5(1), 3(2)† | |
| GTCGAGACGGACTGAAAACCCAGAACGGGATTGAAAC | 9(1), 8(1)† | ||