Table 1.

Primers

Primer	Sequence
a4-3F	5′-CGC CTC GAG TGC AGT CAT AAG AAA AAA GG-3′
a4-3R	5′-GCG GAT CCT CAC TTT GAT AAA GAT GTC G-3′
a4-3UF	5′-CTT GGA TTC GTT GGA TCG CGG ATT-3′
a4-3UR	5′-TCA CTG TGG CTC CAG AGA TAG GTT-3′
a4-3DF	5′-TTC TGG ATC GTC CTC TGG TTC CAA-3′
a4-3DR	5′-AGG TTC CAT TAG ACG CCA CCC AAA-3′