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. 1998 Jun 23;95(13):7305–7309. doi: 10.1073/pnas.95.13.7305

Table 1.

Ccr activity in S. collinus and engineered S. erythraea  strains

Sample Enzyme activity, milliunits/ml Protein concentration, mg/ml Specific activity, milliunits/mg
S. erythraea EAT4 <0.5  ±  0.0 3.0 <0.2  ±  0.0
S. erythraea EAT4-ccr 46.9  ±  2.0 3.0 15.6  ±  0.7
S. collinus wild type 5.5  ±  1.0 7.0 0.8  ±  0.1