16 gap and pair-rule genes 52 CRMs - obtained by BLASTing CRMs from Schroeder et al., 2004 against the sequences in Additional file 1 Seq Begin End Comment btd 15884 17683 btd_head ems 15933 17176 ems_dfd-abdb ems 23359 23700 ems_dfd-wt ems 12903 13206 ems_head eve 14697 14794 eve_mas eve 26693 27493 eve_stripe1 eve 18470 19132 eve_stripe2 eve 16259 16769 eve_stripe3_7 eve 24657 25258 eve_stripe4_6 eve 27400 28199 eve_stripe5 fkh 31103 32106 fkh_salivary ftz 22294 23988 ftz_3prime_element ftz 13912 15083 ftz_distal_enhancer ftz 15749 16072 ftz_prox323 ftz 13582 13994 ftz_ps4_activator ftz 18953 20070 ftz_zebra_element gt 23559 24503 gt_berman h 15165 16040 h_stripe1 h 10551 11631 h_stripe2_6 h 8603 9514 h_stripe3+4 h 14320 14883 h_stripe5 h 9078 10551 h_stripe7+ hb 23284 24004 hb_anterior_actv hb 29481 30503 hb_central_stripe_and_posterior_actv hkb 23162 23751 hkb_ventral_element_plus kni 25084 25240 kni_223 kni 24209 25085 kni_kd kni 25018 25084 kni_kni64_element kr 19142 20372 Kr_AD2 kr 16003 17161 Kr_CD1 kr 17436 19142 Kr_CD2_AD1 oc 40300 40486 oc_head oc 42557 44394 oc_otd_early_enhancer prd 29694 32794 prd_A8_repressor prd 24094 24894 prd_cc_repressor prd 24894 25494 prd_P1_enhancer prd 25794 26494 prd_Pstripe_enhancer prd 26994 27394 prd_stripe1_enhancer prd 27994 29694 prd_stripe2P_enhancer prd 21454 23023 prd_zebra_enhancer run 22989 25989 run_6_stripe run 14908 19999 run_7_stripe run 5570 7186 run_stripe1 run 8752 11066 run_stripe3 run 7186 8521 run_stripe5 run 5570 11155 run_stripe7 slp1 14600 15335 slp_ecto_stripes slp1 16035 16656 slp1_head slp1 17462 19015 slp1_meso_stripes tll 15242 17701 tll_K2 tll 17701 20460 tll_P2 tll 19085 20460 tll_P3