2.7.2.2	-	
2.7.2.2	enzyme has inherent activities of agmatine iminohydrolase, putrescine transcarbamylase, ornithine transcarbamylase and carbamate kinase	
2.7.2.2	Ni-affinity column chromatography	
2.7.2.2	recombinant enzyme from Escherichia coli strain DH5alpha by affinity chromatography on StrepTactin resin	
2.7.2.2	recombinant protein from Saccharomyces cerevisiae