emm5.23 (emm-cluster M5) subtype-determining sequence encoding signal sequence C terminal 10 residues and N terminal 50 residues of mature M protein. emm5.23 from pediatric pharyngitis isolate SD18-03 recovered in South Dakota during 2002-2003 pharyngitis season. emm5.23.sds Length: 180 August 30, 2006 16:41 Type: N Check: 2789 .. 1 TTAGTTGTCA ATACTAATGA AGTTAGTGCA ACCGTGACTA GGGGTACAAT 51 AAATGACCCG CAAAGAGCAA AAGAAGCTCT TGACAAGTAT GAGCTAGAAA 101 ACCATGGGTT AAAAACTGAG AATGAAGGGT TAAAAACTGA GAATGAAGGG 151 TTAAAAACTG AGAATGAAGG GTTAAAAACT