emm18.9 (emm-cluster clade Y) subtype determining sequence. bases 31-180 encode residues 1-50 of mature M protein emm18.9 from strain 3466-383 sequence provided by Dr.Androulla Efstratiou, Respiratory and Systemic Infection Laboratory, London. emm18.9.sds Length: 180 October 26, 2006 08:26 Type: N Check: 2150 .. 1 TTAGCGGTTA ACCAAACAGA AGTTAGCGCA GCACCTCTTA CTCGAGCTAC 51 AGCAGACAAT AAAGACGAAT TAATAAAAAG AGCTAACGGT TATGAGATAC 101 AGAACCATCA GTTAACAGTT GAGAATGAAA AATTAAAAAC TGATAAGGAT 151 CAGTTAGAAC AACGGAGTGA GAAGTtAGCT