TABLE 2.

Primers used in this work

Primer	Sequence (5′-3′)a	Restriction site
GBNdF1	5′-CAAATTCCATATGAGATCCCTCACTTGGG-3′	NdeI
GBNoR1	5′-CATAACTTGCGGCCGCATACTTCATTCACAGC-3′	NotI
GBEco2	5′-CGGAATTCAGAAGCTGAACATTG-3′	EcoRI
GBXhR2	5′-GCAGTACAAGCTCAAGGACG-3′
GBXbF1	5′-TACAAATCTAGAAAGCACTATGG-3′	XbaI
GBEco1	5′-GTCGAATTCTGTGATCGGGATG-3′	EcoRI
GBM1F1	5′-GATTGCTGCTCCGAATTTCC-3′
GBM1R1	5′-GCTATCCGTCTCACTCTTAC-3′
GBRTR1	5′-TGGTGTGATCGGGATGTCG-3′

^aRestriction sites are underlined.