Table 1. Distribution of 3′-end processing signals in the 3′-UTR for SUA7.

	Efficiency	Positioning	Pre-cleavage	Downstream
Optimal sequence	TATATA	AAAATA	TTTTAT	TTTTCT
Distance found	–80 to –30	–35 to –20	–20 to +5	+5 to +30
RNAS	none	AAAATA	TTTTATTTTTTC	TTTATT
RNAL	TATATA	None	none	none

The optimal sequences are those given by Graber et al. (41). The sequences found for SUA7 are shown in boxes in Figure 6.