Table 1. Mean values and standard deviation (in brackets) of ΔG min and ΔG avg of intergenic regions flanked by convergent (→ ←), divergent (← →) and tandem (→ →) running transcripts.

	ΔG min	ΔG avg
	(kcal/mol)	(kcal/mol)
All IGRs	78.60 (6.88)	92.84 (6.35)
→ ←	75.66 (6.40)	87.81 (6.19)
← →	81.91 (6.25)	96.33 (4.8)
→ →	78.48 (6.69)	93.73 (5.40)