Identification and Characterization of HtsA, a Second Heme-Binding Protein Made by<i>Streptococcus pyogenes</i>

Abstract excerpt

Group A streptococci (GAS) can use heme and hemoproteins as sources of iron. However, the machinery for heme acquisition in GAS has not been firmly revealed. Recently, we identified a novel heme-associated cell surface protein (Shp) made by GAS. The shp gene is cotranscribed with eight downstream genes, including spy1795, spy1794, and spy1793 encoding a putative ABC transporter (designated HtsABC). In this study,...

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