emm12.21 (emm-cluster A-C4) sequence encoding 10 residues of signal sequence 
and 50 residues of processed M protein.

emm12.21 from year 2003-2004 pediatric pharyngitis surveillance isolate CA04-13.

emm12.21.sds  Length: 180  September 11, 2006 16:44  Type: N  Check: 5287  ..

       1  GGGTTAGTAG CAGGGCAGAC AGTAAGAGCA GATCATAGTG ATTTAGTCGC 

      51  AGAAAAACAA CGTTTAGAAG ATTTAGGACA AAAATTTGAA AGACTGAAAC 

     101  AGCGTTCAGA ACTCTACCTT CAGCAATACT ATGATAATAA ACCAAATGGA 

     151  TATAAAGGTG ACTGGTATGT ACAACAGTTA