Table 1.

Summary of CRM discovery by using the 13 DNA-tag system

LocationActive/testedProximal or distalActive/tested
Upstream42 / 134 (31%)Proximal (U_01)26*/36 (72%)
Distal (≥U_02)16/98 (16%)
Transcriptional unit32 / 166 (19%)Proximal (I_01)9/32 (28%)
Distal (≥I_02)23/134 (17%)
Downstream7 / 90 (8%)Proximal (D_01)3/33 (9%)
Distal (≥D_02)4/57 (7%)
Total81 / 390 (21%) for 37 genes
  • *5′-Proximal fragment of unc4.1, which was active only in antisense orientation, was not counted.

  • 5′-Proximal fragment of nfe2 was not counted, as this fragment was not tested because of cloning failure.