1.1.1.121	-	718488, 719111, 747502	
1.1.1.121	by sonication, heating at 70°C for 10 min, ion-exchange chromatography, gel filtration and ultrafiltration	697263	
1.1.1.121	G6	285790, 285791, 285797	
1.1.1.121	MSU-1	285794	
1.1.1.121	recombinant His-tagged enzyme from Escherichia coli strain BL21	688344