Table 1. Results obtained with the purine riboswitch: new bacterial aptamer domains detected by our method.

Organism	Location in genome	Sequence similarity a to xpt	Base pair distance (bp’s) to xpt	Shapiro distance to xpt
Halobacillus halophilus DSM 2266	596146–596213	Expect 8e-14;Identity 52/64(81%)	14	2
Amphibacillus xylanus NBRC 15112	401191–401257	Expect 2e-15;Identity 57/69(83%)	38	2
Desulfosporosinus orientis DSM 765	822336–822401	Expect 2e-16; Identity 56/65(86%)	35	2
Pelosinus sp.UFO1	1401846–1401911	No match	39	2

^a Sequence similarity information is taken from BLAST comparison.