2.6.1.4 37000 - gel filtration 639989 2.6.1.4 42000 - 1 * 42000, SDS-PAGE 639991 2.6.1.4 42000 - SDS-PAGE 703680 2.6.1.4 45500 - gel filtration 639991 2.6.1.4 50000 - 5 isoforms, gel filtration 636731 2.6.1.4 54000 - 4 * 54000, SDS-PAGE 738913 2.6.1.4 57000 - recombinant enzyme 731270 2.6.1.4 62000 - gel filtration, 1.5fold larger than single peptide mass, indicating that enzyme is a monomer or homodimer 703680 2.6.1.4 240000 - PAGE 738913