Table 9. List of putative STAT1 binding motifs identified by principal component regression.

STAT1	Normalized coef.
[TAC]TTCC[CA][GA][GT]AA[AG][TA]C	1.0
TTTCC[CT][GA]GAAAA[CT]TC[AC]TGAA	0.94
TTTTC[CT][AG]GGAA[AG][GT]GG[CG][TCA][GA]GG	0.87
TTTC[TC][TG][GA][GAT]AA[GA]	0.86
[TC]TTCC[AC][AG]G[AC]A	0.85
[GA]GAACC[TC][TG]CAGTTC[CT][AG]GGAA	0.82
CC[CTA][CGT]TTTC[CT]T[GA]GAA[AG][ACT][CG]	0.82
TTC[CT][TG][GA]GAAAT[GC][CA][CA][CAT][AT][TCG][CG][CT]	0.81
TTTC[CT][AGT]GGAAA[TG][GA][GA]G[TAC][GA]G	0.80
G[CT]TT[CA][CT][GAT][GA]GAA[AG][TG][AGC][GA][GCA][TGA]A[CG]	0.78

The classical GAS motifs are shown in boldface.