Table 1. Mutations in the Prx2/S8-binding site and their effects on EGFP expression in the ventricle.

	Construct	EGFP Expression
P234:	5′-CTAAATTAGCCCTCCGCTATCAGAGAA	12% (n = 140)
P234M1:	5′-CTAAATTCCCCCTCCGCTATCAGAGAA	0% (n = 126)
P234M2:	5′-CTAAACCAGCCCTCCGCTATCAGAGAA	0% (n = 130)
P234M3:	5′-CTAAATTAGGGCTCCGCTATCAGAGAA	2% (n = 118)
P234M4:	5′-CCCAATTAGCCCTCCGCTATCAGAGAA	2% (n = 109)
P234M5:	5′-CTAAATTAGCCCTCCGCCCTCAGAGAA	10% (n = 105)

Underlined: Prx2/S8 consensus binding site. n: total number of microinjections for each construct.