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. 2020 May 5;8:e8964. doi: 10.7717/peerj.8964

Table 1. Chitinase purification.

Purification step Volume
(mL)
Protein concentration
(mg mL−1)
Enzyme activity
(mU mL−1)
Specific activity
(mU mg−1)
Total activity
(mU)
Purification
(fold)
Yield%
(total activity)
Crude enzyme solution 20 4.16 233.80 56.19 4,676.10 1 100
Ni-NTA affinity chromatography 2 2.25 1,688.12 750.64 3,376.25 13.36 72.20