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. 2020 Nov 18;25(22):5392. doi: 10.3390/molecules25225392

Table 2.

DPP4 purification yields and specific activity from five replicate experiments.

Purification Replicate Culture Supernatant (L) Total Protein (mg) Enzyme Activity (U/mL) Specific Activity (U/mg) Final Yield
(mg/L Culture)
1 1 1.2 45 37 1.2
2 1.1 1.2 52 43 1.1
3 0.98 1.5 44 29 1.6
4 0.98 1.8 61 34 1.9
5 0.99 1.0 42 40 1.0
Mean ± SD 1.0 ± 0.1 1.3 ± 0.3 49 ± 7.8 36 ± 5.4 1.4 ± 0.4