2.4.1.231 - 644898, 644901, 644906, 644907, 674984 2.4.1.231 95% purity 644897 2.4.1.231 homogeneity 644903 2.4.1.231 partial 644902 2.4.1.231 recombinant enzyme 671872 2.4.1.231 trehalose phosphorylase from the basidiomycete Pleurotus ostreatus (PoTPase) is isolated from fungal fruit bodies through 500-fold purification with a yield of 44% 674984