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Fe(III) reductase activity of the wild type and MK-deficient mutants of S. putrefaciens
| S. putrefaciens strain | Fe(III) reductase activity (nmol/min/mg) (mean ± SD) |
|---|---|
| MR-1 (wild type) | 455.6 ± 148.9 |
| SR-73 | 21.3 ± 13.3 |
| SR-73 + vitamin K2 | 396.8 ± 196.8 |
| SR-536 | 47.3 ± 14.5 |
| SR-536 + vitamin K2 | 299.9 ± 40.1 |
