Skip to main content
. 2016 Jun 10;291(32):16508–16518. doi: 10.1074/jbc.M116.738765

TABLE 2.

Comparison of the specific transglycosylation activity of Endo-S2 Asp-184 mutants using sialoglycan oxazoline as donor substrate and deglycosylated rituximab as the acceptor substrate

Mutants Specific transglycosylation activity (×10) Percentage of specific transglycosylation activity
μmol/min/mg %
WT 1.712 44.31
D184A 1.023 26.46
D184C 3.864 100.00
D184E 2.006 51.907
D184F 0.044 1.14
D184G 2.270 58.73
D184H 0.026 0.68
D184K 0.021 0.54
D184R 0.022 0.57
D184I 0.066 1.71
D184L 0.099 2.55
D184M 2.866 74.18
D184N 0.879 22.75
D184P 0.160 4.13
D184Q 0.383 9.92
D184S 1.164 30.13
D184T 0.828 21.42
D184V 0.147 3.79
D184W 0.046 1.20
D184Y 1.198 30.99