TABLE 1.

Oligonucleotides used for construction of PA domain proteins

Name	Sequence
Domain 1 for	5′-TTAAGTCTAGACGAAGTTAAACAGGAGAACCG-3′a
Domain 1 rev	5′-TTAATGTCGACTAGCTGCCACAAGGGGGTG-3′b
Domain 2 for	5′-TTAAGTCTAGACCCTTGTGGCAGCTTATCCG-3′a
Domain 4 for	5′-TTAAGTCTAGACTGATAGAAATAACATAGCAG-3′a
Domain 4 rev	5′-TTAATGTCGACTTTATCCTATCTCATAGCCTTT-3′b

^aUnderlined sequences represent XbaI, used for cloning.

^bUnderlined sequences represent SalI, used for cloning.