emm18.15 (emm-cluster clade Y) subtype determining sequence. bases 31-180 encode residues 1-50 of mature M protein emm18.15 from GAS blood isolate A9400523(speA and speC positive) recovered from 62 year old male during 1994 in the Netherlands. Sequence and information provided by Dr. Xander Huijsdens,National Institute for Public Health and the Environment, Bilthoven,The Netherlands. emm18.15.sds Length: 180 October 26, 2006 08:31 Type: N Check: 2339 .. 1 TTAGCGGTTA ACCAAACAGA AGTTAGCGCA GCACCTCTTA CTCGAGCTAC 51 AGCAGACAAT AAAGACAAAT TAATAAAAAG AGCTAACGAT TATGAGGTAC 101 AGAACCATCA GTTAACAGTT GAGAATAAAA ATTTAAAAAC TGATAAGGAA 151 CAGTTAATAA AAGAGAATGA TGATTTAAAA