Skip to main content
. 1999 Aug;65(8):3470–3472. doi: 10.1128/aem.65.8.3470-3472.1999

TABLE 1.

Purification of S. cerevisiae esterase

Purification step Total protein (mg) Total activity (U) Sp act (U/mg) Purification factor Yield (%)
Preparation of cell-free crude extract 61 5.4 0.09 1 100
(NH4)2SO4 fractionation 17 4.4 0.26 2.9 81
Phenyl Sepharose HR chromatography 4.2 3.4 0.8 8.9 63
Q Sepharose fast flow chromatography 1.1 2.9 2.6 29 54
Sephacryl HR200 chromatography 0.17 1.2 7 78 22
Chromatofocusing 0.022 0.24 11 120 4.4