1.1.1.244 ? x * 40700, recombinant His-tagged enzyme Mdh2, SDS-PAGE 1.1.1.244 decamer 10 * 43000, SDS-PAGE 1.1.1.244 decamer decameric structure detected by electron microscopic analysis 1.1.1.244 decamer 10 * 43000 1.1.1.244 decamer 10 * 42800, SDS-PAGE