Table 1.

Bacterial strains and plasmids used in this study

Strains and plasmids	Name
Bacterial strains	E. coli XL1Blue
	E. coli M15[pGB3])
Plasmids	p602/-CAT
	pMAL-GTP-CH-I
	p602-hGTP-CH-42 (accession no. AF288421)