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Table 1 Comparison of activities among various CAs

From: Identification of a new thermostable and alkali-tolerant α-carbonic anhydrase from Lactobacillus delbrueckii as a biocatalyst for CO2 biomineralization

Entry Microorganism or system Activity (unit) Half-life at 50 °C (h) Crystal form of carbonate Conversion (50 °C/5 min)a References
1 P. fragi 70.6 (U/mg) 4 ND 53.3 Sharma et al. (2011)
2 M. lylae 66.5 (U/mg) 4 ND 48.8 Sharma et al. (2011)
3 M. luteus 61.0 (U/mg) 8 ND 44.4 Sharma et al. (2011)
4 INP-N-CA 6.54 × 10−2 (nU/cell) ND Calcite and vaterite ND Fan et al. (2011)
5 CA2 surface-displaying yeast cellsb 2.69 × 10−1 (nU/cell)c ND Calcite and vaterite ND Barbero et al. (2013)
6 periCA 1.90 (nU/cell)c 5 Calcite ND Jo et al. (2013)
7 LdCA 454.0 (U/mg) 177 Vaterite 91.2 This work
  1. aConversions were determined by the weight of carbonate quantity after drying
  2. bEngineering system. This is the name of the gene construct, rather than the name of the recombinant strain
  3. cnU/cell represents the single-cell activity of each system