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Position of the sht gene and its comparison with a similar gene in the FH-binding GAS strain. A) Diagrammatic representation of the sht gene relative to other genes, scpB and lmb, in the pathogenecity island[b]. B) Comparison of the sht-containing locus in various serotypes of GBS type III. C) A similar comparison with that of the emm18 gene of GAS (M18) strain previously documented to bind FH.
