2.1.1.151	-	
2.1.1.151	cbi genes from the 17.5 kb cob operon subcloned and expressed in Escherichia coli	
2.1.1.151	complementation studies with the Salmonella enterica mutant strain AR3711, wild type but non of the mutant proteins complements enzyme deficiency of the host strain	
2.1.1.151	expressed as His-tag fusion protein in Escherichia coli BL21(DE3)	
2.1.1.151	wild type and mutant proteins expressed as His-tag fusion protein in Escherichia coli Rosetta(DE3)pLysS