emm53.9 (emm-cluster D4) subtype determining sequence. Identity to bases 31-180 (encodes mature N-terminus) and ungapped identity or near-identity to complete 180 base sequence defines this subtype. emm53.9 from invasive GAS isolate 3344-07 recovered in the U.S. during 2007. emm53.9.sds Length: 180 May 18, 2007 15:18 Type: N Check: 744 .. 1 GGGTTAGCAA GccaGACAGA AGTTAAGGCG AATAGAGCAG ACGACGCTAG 51 AAATGAAGTA CTAAGGGGGA ATCTTGTACA GGCTGAGCTT TGGTACCGTC 101 AAATACAAGA AAATGACCAA CTTAAATTGG AAAATAAAGG GCTTAAGACT 151 GATTTACGGG AAAAGGAAGA AGAGTTACAA