Marianna Libkind

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The protein SiaA (Streptococcal iron acquisition) is involved in heme uptake in the bacterium Streptococcus pyogenes. It is difficult to obtain this protein in its fully holo form (completely loaded with heme). To increase the concentration of heme in the growing cell, we added δ-aminolevulinic acid (ALA) and ferrous sulfate (FeSO4), precursors of heme, to(More)
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