emm3.20 (emm-cluster A-C5) subtype-determining sequence encoding 10 C terminal signal sequence residues and 50 N terminal residues of mature M protein. emm3.20 from S. pyogenes blood isolate recovered in Maryland in 2003. Isolate 3556-04. emm3.20.sds Length: 180 August 29, 2006 15:41 Type: N Check: 8013 .. 1 GGACTGGTAG CAGGGCAGAC AGTAAAGGCA GATGCTAGGA GTGTTAATGG 51 AGAGTTTCCT AGACATGTTA AATTAAAAAA TGAAATTGAG AACTTGTTAA 101 ATCAGGTTAC ACAATTATAT AATAAACATA ATAGTAATTA CCAACAATAT 151 AATGCACAAG CTGGCAGACT TGACCTGAGA