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Applied Biological Chemistry

Table 2 Kinetic parameters of purified α-amylase

From: Efficient secretory expression of gene encoding a broad pH-stable maltose-forming amylase from Lactobacillus plantarum S21 in food-grade lactobacilli host

Substrates

K m (mg/mL)

ν max (µmol/mL min)

k cat (s−1)

k cat/K m (mL/mg s)

Starch

12.1 ± 1.1

369.2 ± 16.2

1826

151

Amylose

12.6 ± 1.5

499 ± 37.6

2468

196

Amylopectin

12.1 ± 1.1

291.2 ± 12.7

1440

119

Glycogen

35.5 ± 3

144.6 ± 8.7

715

20

  1. Mean values are presented with standard deviation (SD)
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