Table 2. Primers.

Name	Sequence	Restriction site and other elementa
RecA	5′-ggCgAATTCATggCAACgAATTTACgTggC-3′	EcoRI
RecB	5′-TTATCTCCCTCgAgTATTCACCCgCgCTCTTgCA-3′	XhoI,SD
RecC	5′-ATACTCgAgggAgATAAATgATTgCCCATCgCCgT-3′	XhoI
RecD	5′-ggCgTCgACTTAACTAACCggAAgTTggAgA-3′	SalI
PnagE-u	5′-ATgAATATTTTAggTTTTTTCC-3′
PnagE-d	5′-TTACTTTTTgATTTCATACAgC-3′
Ptet-u	5′-gggTACCgAgCTCgAATT-3′
Ptet-d	5′-ggggAgCTTgTCgACAAT-3′

^aSD, Shine-Dalgarno sequence.