2.7.1.47 59000 - 2 * 59000, SDS-PAGE 641636 2.7.1.47 60000 - 2 * 60000, recombinant enzyme expressed in Escherichia coli strain NC629, SDS-PAGE 641637 2.7.1.47 112000 - recombinant enzyme expressed in E. coli strain NC629, gel filtration 641637 2.7.1.47 116000 - gel filtration 641636