Streptococcus pyogenes exotoxin B speB gene:PrThr:Pt:XXX:Ord
streptococcus pyogenes exotoxin b speb gene:prthr:pt:xxx:ord
Streptococcus pyogenes exotoxin B speB gene:PrThr:Pt:XXX:Ord
streptococcus pyogenes exotoxin b speb gene:prthr:pt:xxx:ord