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Rate of methane production of the mtaA and mtbA single deletion mutants
| Strain genotype | Specific activity (mU/mg of protein)a
|
|
|---|---|---|
| Methanol | TMA | |
| Δhpt | 161 ± 2 | 24 ± 3 |
| ΔmtaA1 Δhpt | NGb | 21 ± 2 |
| ΔmtaA2 Δhpt | 78 ± 4 | 21 ± 2 |
| ΔmtbA Δhpt | 197 ± 7 | 0.4 ± 0.04 |
Activity was determined as nmol of CH4 produced min−1 mg−1 protein. Values represent the average and standard deviations of four independent measurements.
NG, no growth occurs on this substrate.
