Table 1 Values of kinetic parameters for the cleavage of protein substrates by different catalysts

From: MOFzyme: Intrinsic protease-like activity of Cu-MOF

Catalyst

Protein

pH

Temperature (°C)

kcat(10−4 s −1)

Km(10−3 M−1)

kcat/Km(s−1M−1)

Cu-MOF

BSA

9.0

50

6.28 ± 0.39

0.28 ± 0.04

2.23 ± 0.35

Cu-MOF

BSA

9.0

70

20.98 ± 0.65

0.27 ± 0.02

7.73 ± 0.68

Cu-MOF

casein

9.0

50

5.17 ± 0.56

1.16 ± 0.24

0.44 ± 0.09

Cu-MOF

casein

9.0

70

9.76 ± 0.17

0.42 ± 0.02

2.32 ± 0.12

Cu(II)A-PSa

BSA

9.5

50

8.0

0.92

0.87

Cu(II)B-PSa

BSA

9.5

50

8.7

1.2

0.73

Cu(II)oxacyclenb

BSA

9.5

50

0.19 ± 0.003

0.51 ± 0.03

0.036 ± 0.003

Cu(II)cyclenb

BSA

9.5

50

N/A

N/A

0.0005

Cu(II)Cc

BSA

9.5

50

3.89 ± 0.56

0.11 ± 0.03

3.61 ± 0.83

Cu(II)Dc

BSA

9.5

50

2.77 ± 0.277

0.52 ± 0.1

0.56 ± 0.11

Cu(II)Ec

BSA

9.5

50

1.89 ± 0.17

0.17 ± 0.03

1.14 ± 0.19

Cu(II)Hc

BSA

9.5

50

0.42 ± 0.06

0.14 ± 0.04

0.31 ± 0.083

Cu(II)Ic

BSA

9.5

50

0.47 ± 0.06

0.53 ± 0.16

0.09 ± 0.024

  1. N/A = data not available. a, b and c taken from ref. 18, 50 and 17, respectively. All the Cu(II) complexes except Cu(II)A- and B-PS are soluble.