GIB (Genome Information Broker) provides an integrated search of Bacteria, Archaea, Eukaryota complete genome sequences. Because the genome sequence data of Streptococcus pyogenes MGAS10394 was released by NIH, we incorporated it to GIB, and now you can search those data.
Reference: Progress toward Characterization of the Group A Streptococcus Metagenome: Complete Genome Sequence of a Macrolide-Resistant Serotype M6 Strain, J. Infect. Dis. 190 (4), 727-738 (2004)