emm18.6 (emm-cluster clade Y) subtype determining sequence. bases 31-180 encode residues 1-50 of mature M protein October 22, 2001 09:32 emm18.6.sds Length: 180 October 26, 2006 08:22 Type: N Check: 1153 .. 1 TTAGCGGTTA ACCAAACAGA AGTTAGCGCA GCACCTCTTA CTCGAGCTAC 51 AGCAGACAAT AAAGACGAAT TAATAAAAAG AGCTAACGAT TATGAGATAC 101 AGAACCATCA GTTAACAGTT GAGAATAGAA AATTAAAAAC TGATAAGGAA 151 CAGTTAACAA AAGAGAATGA TGATTTAAAA