Table 1.

RNA motifs overrepresented in the UTRs of translationally up- or downregulated genes

UTR and motif	% of genes harboring motif			P value		% of total
	Downregulated	Upregulated	Nonregulated	Downregulated genes	Upregulated genes
3′ UTR
ARE2	0.008	0.008	0.005	0.11	0.047
SXL-BS	0.17	0.18	0.15	0.027	0.0013
UNR-BS	0.13	0.12	0.11	0.036	0.062
BRD-BOX	0.11	0.14	0.11	0.69	0.006
GY-BOX	0.09	0.14	0.10	0.27	<0.0001
MBE	0.68	0.66	0.62	0.0007	0.004
5′ UTR
uORF	0.26	0.34		0.15	<0.0001	0.28