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Activities of cysteine biosynthetic enzymes in Legionella spp.
| Organism | Sp acta (mean ± SD)
|
|
|---|---|---|
| Serine transacetylase | Cysteine synthase | |
| L. pneumophila Philadelphia-1 | <0.1 | <0.11 |
| L. pneumophila Knoxville-1 | <0.1 | <0.1 |
| L. jordanis ABB9 | <0.1 | <0.1 |
| L. oakridgeneis OR10 | 79 ± 12 | 21 ± 6 |
| E. coli K-12 | 54 ± 7 | 48 ± 8 |
Specific activity is expressed as nanomoles per minute per milligram of protein. Each enzyme activity was determined in triplicate.
