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Table 2 Comparison of the catalytic kinetic parameters of MCO on ABTS from different microorganisms

From: Heterologous expression of an acidophilic multicopper oxidase in Escherichia coli and its applications in biorecovery of gold

Sources Gene V max
μmol/min
k cat
1/min
K m
mM
k cat /K m
1/mMa/min
Reaction condition Reference
Bacillus tequilensis SN4 SN4LAC ND 4020 1.4 2871 pH 5.5 at 85 °C Sondhi et al. (2014)
Mangrove soil Lac591a ND 2.52 0.09 28.0 pH 7.4 at 55 °C Ye et al. (2010)
Thioalkalivibrio sp. ALRh lacc 1500 129 4.6 28.0 pH 5 at 50 °C Ausec et al. (2015)
Pseudomonas sp. 593 cumA ND 23.58 0.1 235.8 pH 5 at 55 °C Yang et al. (2016)
Bacillus sp. SL-1 cotA ND 1380 0.046 30,000 pH 4.5 at 50 °C Safary et al. (2016)
Proteus hauseri LacBa 58 1328 0.303 4382 pH 2.2 at 50 °C This study
Proteus hauseri LacB-Aub 5.59 52.7 0.129 408.5 pH 2.2 at 50 °C This study
  1. aThe yields of LacB of Proteus hauseri and Lac591 of Mangrove soil expressed in E. coli are 1330 and 1381 mg/L, respectively
  2. bLacB-Au means with gold binding and followed by activity analysis