emm12.23 (emm-cluster A-C4) sequence encoding 10 residues of signal sequence 
and 50 residues of processed M protein.

emm12.29 from 2004-2005 GAS surveillance isolate IL05-24.

emm12.23 from year 2003-2004 pharyngitis season surveillance isolate WA04-57.

emm12.23.sds  Length: 180  October 5, 2006 06:11  Type: N  Check: 5973  ..

       1  GGGTTAGTAG CAGGGCAGAC AGTAAGAGCA GATCGTAGTG ATTTAGTCGC 

      51  AGAAAAACAA CGTTTAGAAG ATTTAGGACA AAAATTTGAA AGACTGAAAC 

     101  AGCGTTCAGA ACTCTACCTT CAGCAATACT ATGATAATAA ATCAAATGGA 

     151  TATAAAGGTG ACTGGTATGT ACAACAGTTA