Table 2. Consensus sequence and number of sequence variants found in ISR building blocks.

Building block	Sequence length	Nr. of sequences	Nr. of variants	Consensus sequence
Start	29 bp	95	4	AAGGAGAATTACCTACTGTTTAATTTTGA
Ntrna	26 bp	72	5	GGGTTCGTTTTTACGAATACTCAAAA
Trna	186 bp	23	11	AAGTTCTTTACGAACTTTATATATGGGGGTGTAGCTCAGTTGGGA GAGCACTTGCCTTGCAAGCAAGGGGTCAGGAGTTCGACTCTCCTC ATCTCCACCATTTAAGAGTATATTACTTAAATCTTTGATTTACTTAG TAGCCTCTTACAATGCACTTATAGCTTAAATTTATACAAGCTTTGTGCG
DR	9 bp	335	8	TTAGCACTT
20 bp	20 bp	3	1	TAAGCAACGGAATTTATTCG
33 bp	33 bp	132	42	TAAGCAACGGAATTTATTCGTTGGCGCTGTGCT
53 bp	53 bp	98	35	TAAGCAACAGAATAAACTGAACGCATGTGAAGTTTGTTTGTTG GCGCTGTGCG
End	114 bp	95	33	TGAAAACTGCATATATATATTTAGTGATATGACATCTAATTTGTA ATATATAAAGCTGATAACTTTTTAAAATTATCGAAGTTGATAGCT TCTAATCTATCAAACCTTTTTAAC

Only the representatives (n = 95) of non-redundant sets were used to calculate the consensus sequence and to determine the number of sequence variants.