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Table 1 Quantitative determination of PhTPS 1–4 catalytic products

From: Putative trehalose biosynthesis proteins function as differential floridoside-6-phosphate synthases to participate in the abiotic stress response in the red alga Pyropia haitanensis

Enzyme Product (μM) Enzyme activity (μmol·h−1·mg−1)
Floridoside Isofloridoside Floridoside Isofloridoside
PhTPS1 142.8 ± 18.5 275.1 ± 17.2 0.26 ± 0.02 0.50 ± 0.02
PhTPS2 ND ND ND ND
PhTPS3 ND 196.0 ± 23.1 ND 0.23 ± 0.03
PhTPS4 119.6 ± 16.1 272.3 ± 14.2 0.22 ± 0.02 0.61 ± 0.01
  1. ND None detected