4.2.1.46 - 5712, 5713, 5718, 5719, 5720, 5721, 5726, 649934, 650072, 652536, 652851, 746731, 747027, 747917 4.2.1.46 by cobalt-immobilized affinity chromatography 701859 4.2.1.46 expression in Escherichia coli 5722, 5725 4.2.1.46 gel filtration, SDS-PAGE 690812 4.2.1.46 recombinant enzyme 649133, 652771