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. 2021 Mar 16;12:643508. doi: 10.3389/fmicb.2021.643508

TABLE 1.

The substrate specificity of the extracellular protease of strain 1A02591.

Substrate Activity (U/mL)
Casein 398.03 ± 8.14
Bovine insoluble type I collagen fiber 76.61 ± 7.28
Gelatin 539.24 ± 24.92
Elastin-orcein ND

The data represent the mean ± SD of three experimental repeats. ND means that the enzyme activity was not detectable.