Table 1.

EMSA probes with putative Sp4 binding sites underlined.

Gene Promoter	EMSA Sequence
Gabra1	F: 5’ TTTTGCATATAAAAAATGGGCGGATTGGTG 3’
	R: 5’ TTTTCACCAATCCGCCCATTTTTTATATGC 3’
Gabra2	F: 5’ TTTTGGCCAGGATTGGGGTGGGGGATAAGGGG 3’
	R: 5’ TTTTCCCCTTATCCCCCACCCCAATCCTGGCC 3’
Gabra3	F: 5’ TTTTCTACTTCATTGGGGTGGGGATCAG 3’
	R: 5’ TTTTCTGATCCCCACCCCAATGAAGTAG 3’
GM3 Synthase	F: 5’ TTTTGCGCGACCCCGCCCCCGCCTA 3’
	R: 5’ TTTTTAGGCGGGGGCGGGGTCGCGC 3’
Mutant Sp Gabra1	F: 5’ TTTTGCATATAAAAAATGGAAGGATTGGTG 3’
	R: 5’ TTTTCACCAATCCTTCCATTTTTTATATGC 3’
Mutant Sp Gabra2	F: 5’ TTTTGGCCAGGATTGGGAAGGGGGATAAGGGG 3’
	R: 5’ TTTTCCCCTTATCCCCCTTCCCAATCCTGGCC 3’