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. Author manuscript; available in PMC: 2008 Jun 16.
Published in final edited form as: J Exp Bot. 2007 May 26;58(10):2503–2512. doi: 10.1093/jxb/erm082

Table 1. Specific activities of several glycoside hydrolases after Con A Sepharose affinity chromatography.

All enzyme activities were measured in vitro at 37 °C, using 50 μL of protein and pNP-glycosides as substrates.

Enzyme Specific activities (nmol/min/mg protein)
Recovery (%)
Ratio of specific activities
Crude protein extract After Con A Sepharose Con A Sepharose/Crude protein extract
β-D-xylosidase 32 89 43 2.8
α-L-arabinofuranosidase 103 442 66 4.3
β-D-glucuronidase 10 22 34 2.0
β-D-mannosidase 26 108 64 4.2
α-D-mannosidase 47 172 56 3.6
β-D-glucosidase 82 497 93 6.1
α-D-galactosidase 85 468 84 5.5
β-D-galactosidase 393 825 32 2.1
α-D-glucosidase 8 31 59 3.9